516-05-2 | 2-methylpropanedioic acid

Packsize	Purity	Availability	Price	Discounted Price
5g	98%	in stock	$8.00	$5.00
10g	98%	in stock	$10.00	$7.00
25g	98%	in stock	$19.00	$13.00
50g	98%	in stock	$30.00	$21.00
100g	98%	in stock	$50.00	$35.00

Description

• Catalog Number: AB76206
• Chemical Name: 2-methylpropanedioic acid
• CAS Number: 516-05-2
• Molecular Formula: C4H6O4
• Molecular Weight: 118.088
• MDL Number: MFCD00002656
• SMILES: CC(C(=O)O)C(=O)O
• NSC Number: 25201

Computed Properties

• Complexity: 103
• Covalently-Bonded Unit Count: 1
• Heavy Atom Count: 8
• Hydrogen Bond Acceptor Count: 4
• Hydrogen Bond Donor Count: 2
• Rotatable Bond Count: 2
• XLogP3: 0.1

Upstream Synthesis Route

2-Methylmalonic acid is a versatile compound widely utilized in chemical synthesis for its unique properties and reactivity. As a building block in organic synthesis, it serves as a crucial intermediate in the production of pharmaceuticals, agrochemicals, and specialty chemicals. Due to its structural versatility, 2-Methylmalonic acid participates in various reactions such as esterification, condensation, and decarboxylation, making it an essential component in the creation of complex organic molecules. Its presence in the synthesis of vitamin B12 highlights its significance in the pharmaceutical industry. Additionally, 2-Methylmalonic acid can be employed as a chiral auxiliary in asymmetric synthesis, enabling the creation of enantiomerically pure compounds. Its ability to act as a versatile precursor in the preparation of various functionalized derivatives further underscores its importance in the field of chemical synthesis.In summary, 2-Methylmalonic acid plays a pivotal role in chemical synthesis by serving as a key building block for the construction of diverse organic compounds with applications across multiple industries.

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  Methods in molecular biology (Clifton, N.J.) 20100101

• Quantitation of methylmalonic acid in plasma using liquid chromatography-tandem mass spectrometry.

  Methods in molecular biology (Clifton, N.J.) 20100101

• Transcobalamin-II variants, decreased vitamin B12 availability and increased risk of frailty.

  The journal of nutrition, health & aging 20100101

• The B-VITAGE trial: a randomized trial of homocysteine lowering treatment of depression in later life.

  Trials 20100101

• Biosynthesis of 2-hydroxyisobutyric acid (2-HIBA) from renewable carbon.

  Microbial cell factories 20100101

• The Boston Puerto Rican Health Study, a longitudinal cohort study on health disparities in Puerto Rican adults: challenges and opportunities.

  BMC public health 20100101

• Vitamin B(12) deficiency is linked with long-term use of proton pump inhibitors in institutionalized older adults: could a cyanocobalamin nasal spray be beneficial?

  Journal of nutrition for the elderly 20100101

• Phase II Study of Biweekly Pemetrexed Plus Irinotecan as Second-Line Therapy for Metastatic Colorectal Cancer.

  Journal of oncology 20100101

• Long term treatment with metformin in patients with type 2 diabetes and risk of vitamin B-12 deficiency: randomised placebo controlled trial.

  BMJ (Clinical research ed.) 20100101

• Cobalamin deficiency, hyperhomocysteinemia, and dementia.

  Neuropsychiatric disease and treatment 20100101

• Effect of lipopenic and hypotensive treatment on homocysteine levels in type 2 diabetics.

  Vascular health and risk management 20100101

• Subnormal vitamin B12 concentrations and anaemia in older people: a systematic review.

  BMC geriatrics 20100101

• Elevated levels of methylmalonate and homocysteine in Parkinson's disease, progressive supranuclear palsy and amyotrophic lateral sclerosis.

  Dementia and geriatric cognitive disorders 20100101

• One-step metabolomics: carbohydrates, organic and amino acids quantified in a single procedure.

  Journal of visualized experiments : JoVE 20100101

• Amyotrophic lateral sclerosis-motor neuron disease, monoclonal gammopathy, hyperparathyroidism, and B12 deficiency: case report and review of the literature.

  Journal of medical case reports 20100101

• Indian women with higher serum concentrations of folate and vitamin B12 are significantly less likely to be infected with carcinogenic or high-risk (HR) types of human papillomaviruses (HPVs).

  International journal of women's health 20100101

• A systems biology approach uncovers cellular strategies used by Methylobacterium extorquens AM1 during the switch from multi- to single-carbon growth.

  PloS one 20100101

• Polymorphisms of methylenetetrahydrofolate reductase gene as the genetic predispositions of coronary artery diseases in eastern India.

  Journal of cardiovascular disease research 20100101

• An open-label, non-randomized comparison of venlafaxine and gabapentin as monotherapy or adjuvant therapy in the management of neuropathic pain in patients with peripheral neuropathy.

  Journal of pain research 20100101

• Cancer chemotherapy: targeting folic acid synthesis.

  Cancer management and research 20100101

• Discovery of novel sources of vitamin b(12) in traditional korean foods from nutritional surveys of centenarians.

  Current gerontology and geriatrics research 20100101

• Vitamin B12 Deficiency due to Chlorofluorocarbon: A Case Report.

  Case reports in medicine 20100101

• Malonamide-functionalized gold nanoparticles for selective, colorimetric sensing of trivalent lanthanide ions.

  Analytical chemistry 20091215

• Evidence for catabolic pathway of propionate metabolism in CNS: expression pattern of methylmalonyl-CoA mutase and propionyl-CoA carboxylase alpha-subunit in developing and adult rat brain.

  Neuroscience 20091201

• Mechanism of vitamin B12-responsiveness in cblC methylmalonic aciduria with homocystinuria.

  Molecular genetics and metabolism 20091201

• Aberrant splicing of the senataxin gene in a patient with ataxia with oculomotor apraxia type 2.

  Cerebellum (London, England) 20091201

• High prevalence of structural heart disease in children with cblC-type methylmalonic aciduria and homocystinuria.

  Molecular genetics and metabolism 20091201

• Long-term exposure of human proximal tubule cells to hydroxycobalamin[c-lactam] as a possible model to study renal disease in methylmalonic acidurias.

  Journal of inherited metabolic disease 20091201

• Hydroxocobalamin dose escalation improves metabolic control in cblC.

  Journal of inherited metabolic disease 20091201

• Determinants of plasma methylmalonic acid in a large population: implications for assessment of vitamin B12 status.

  Clinical chemistry 20091201

• The changing patterns of covalent active site occupancy during catalysis on a modular polyketide synthase multienzyme revealed by ion-trap mass spectrometry.

  The FEBS journal 20091201

• Transcobalamin II deficiency at birth.

  Molecular genetics and metabolism 20091101

• Dystonia and deafness due to SUCLA2 defect; Clinical course and biochemical markers in 16 children.

  Mitochondrion 20091101

• Nested case-control study of one-carbon metabolites in mid-pregnancy and risks of cleft lip with and without cleft palate.

  Pediatric research 20091101

• Influence of cobalamin on arsenic metabolism in Bangladesh.

  Environmental health perspectives 20091101

• Metabolic and hemodynamic advantages of an acetate-free citrate dialysate in a uremic case of congenital methylmalonic acidemia.

  American journal of kidney diseases : the official journal of the National Kidney Foundation 20091001

• Methylation status and neurodegenerative markers in Parkinson disease.

  Clinical chemistry 20091001

• [Analysis of the MUT gene mutations in patients with methylmalonic acidemia].

  Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics 20091001

• Phase II-I-II study of two different doses and schedules of pralatrexate, a high-affinity substrate for the reduced folate carrier, in patients with relapsed or refractory lymphoma reveals marked activity in T-cell malignancies.

  Journal of clinical oncology : official journal of the American Society of Clinical Oncology 20090910

• Choline and risk of neural tube defects in a folate-fortified population.

  Epidemiology (Cambridge, Mass.) 20090901

• Serum vitamin B12 and folate status among patients with chemotherapy treatment for advanced colorectal cancer.

  Upsala journal of medical sciences 20090901

• Growth hormone therapy in neonatal patients with methylmalonic acidemia.

  Journal of the Chinese Medical Association : JCMA 20090901

• Homocysteine, folate and vitamin B12 in neuropsychiatric diseases: review and treatment recommendations.

  Expert review of neurotherapeutics 20090901

• Serum vitamin B(12) concentrations among mothers and newborns and follow-up study to assess implication on the growth velocity and the urinary methylmalonic acid excretion.

  International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition 20090901

• A case of Moyamoya disease in a girl with thyrotoxicosis.

  Yonsei medical journal 20090831

• A population pharmacokinetic and pharmacodynamic evaluation of pralatrexate in patients with relapsed or refractory non-Hodgkin's or Hodgkin's lymphoma.

  Clinical pharmacology and therapeutics 20090801

• Coenzyme Q(10) is decreased in fibroblasts of patients with methylmalonic aciduria but not in mevalonic aciduria.

  Journal of inherited metabolic disease 20090801

• Long-term outcome in methylmalonic aciduria: a series of 30 French patients.

  Molecular genetics and metabolism 20090701

• Erythrocyte folate and 5-methyltetrahydrofolate levels decline during 6 months of oral anticoagulation with warfarin.

  Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 20090601

• Peritoneal dialysis for chronic renal failure in a patient with methylmalonic acidaemia.

  Pediatric nephrology (Berlin, Germany) 20090501

• From the Gla domain to a novel small-molecule detector of apoptosis.

  Cell research 20090501

• Late onset optic neuropathy in methylmalonic and propionic acidemia.

  American journal of ophthalmology 20090501

• Urinary methylmalonic acid levels in patients with acute ischemic stroke.

  Clinical biochemistry 20090501

• Vitamin B(12) deficiency stimulates osteoclastogenesis via increased homocysteine and methylmalonic acid.

  Calcified tissue international 20090501

• Isovaleric, methylmalonic, and propionic acid decrease anesthetic EC50 in tadpoles, modulate glycine receptor function, and interact with the lipid 1,2-dipalmitoyl-Sn-glycero-3-phosphocholine.

  Anesthesia and analgesia 20090501

• One-carbon metabolism and prostate cancer risk: prospective investigation of seven circulating B vitamins and metabolites.

  Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20090501

• Subclinical vitamin B12 deficiency in pregnant women attending an antenatal clinic in Nigeria.

  Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology 20090501

• Fractional anisotropy for assessment of white matter tracts injury in methylmalonic acidemia.

  Chinese medical journal 20090420

• Dietary patterns and vitamin B(12) status of migrant Indian preadolescent girls.

  European journal of clinical nutrition 20090401

• Clinical and molecular heterogeneity in patients with the cblD inborn error of cobalamin metabolism.

  The Journal of pediatrics 20090401

• Methylmalonate-induced seizures are attenuated in inducible nitric oxide synthase knockout mice.

  International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience 20090401

• B-vitamin and homocysteine status determines ovarian response to gonadotropin treatment in sheep.

  Biology of reproduction 20090401

• Enamel defects and salivary methylmalonate in methylmalonic acidemia.

  Oral diseases 20090401

• Multiple OXPHOS deficiency in the liver of a patient with CblA methylmalonic aciduria sensitive to vitamin B(12).

  Journal of inherited metabolic disease 20090401

• Propionic acidemia: case report and review of neurologic sequelae.

  Pediatric neurology 20090401

• Vitamin B12 status, methylmalonic acidemia, and bacterial overgrowth in short bowel syndrome.

  Journal of pediatric gastroenterology and nutrition 20090401

• Creatine metabolism in combined methylmalonic aciduria and homocystinuria disease revisited.

  Annals of neurology 20090401

• Intestinal malabsorption in long-term survivors of cervical cancer treated with radiotherapy.

  International journal of radiation oncology, biology, physics 20090315

• Monitoring of tumor response to chemotherapy in vivo by a novel small-molecule detector of apoptosis.

  Apoptosis : an international journal on programmed cell death 20090301

• [Analysis of gene mutations in Chinese patients with methylmalonic acidemia and homocysteinemia].

  Zhonghua er ke za zhi = Chinese journal of pediatrics 20090301

• Plasma vitamin B12 status and cerebral white-matter lesions.

  Journal of neurology, neurosurgery, and psychiatry 20090201

• Identification of a putative lysosomal cobalamin exporter altered in the cblF defect of vitamin B12 metabolism.

  Nature genetics 20090201

• Functional vitamin B12 deficiency.

  Practical neurology 20090201

• [Mutation analysis of the MMACHC gene in a pedigree with methylmalonic aciduria].

  Zhonghua yi xue yi chuan xue za zhi = Zhonghua yixue yichuanxue zazhi = Chinese journal of medical genetics 20090201

• Vitamin B12 absorption and metabolism in milk-fed lambs.

  New Zealand veterinary journal 20090201

• Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline.

  Neurology 20090127

• Practice Parameter: evaluation of distal symmetric polyneuropathy: role of laboratory and genetic testing (an evidence-based review). Report of the American Academy of Neurology, American Association of Neuromuscular and Electrodiagnostic Medicine, and American Academy of Physical Medicine and Rehabilitation.

  Neurology 20090113

• Evaluation of distal symmetric polyneuropathy: the role of laboratory and genetic testing (an evidence-based review).

  Muscle & nerve 20090101

• Urinary methylmalonic acid in patients with acute myocardial infarction.

  Medical principles and practice : international journal of the Kuwait University, Health Science Centre 20090101

• Relationships between low serum cobalamin concentrations and methlymalonic acidemia in cats.

  Journal of veterinary internal medicine 20090101

• Acute myocardial infarction and pulmonary embolism in a young man with pernicious anemia-induced severe hyperhomocysteinemia.

  Thrombosis journal 20090101

• Vitamin B(12) and birth defects.

  Molecular genetics and metabolism 20090101

• Metabolic profiling of Parkinson's disease: evidence of biomarker from gene expression analysis and rapid neural network detection.

  Journal of biomedical science 20090101

• Profiling of oxidative stress in patients with inborn errors of metabolism.

  Molecular genetics and metabolism 20090101

• Anchoring secreted proteins in endoplasmic reticulum by plant oleosin: the example of vitamin B12 cellular sequestration by transcobalamin.

  PloS one 20090101

• Practice parameter: the evaluation of distal symmetric polyneuropathy: the role of laboratory and genetic testing (an evidence-based review). Report of the American Academy of Neurology, the American Association of Neuromuscular and Electrodiagnostic Medicine, and the American Academy of Physical Medicine and Rehabilitation.

  PM & R : the journal of injury, function, and rehabilitation 20090101

• The prevalence of vitamin B(12) deficiency in patients with type 2 diabetes: a cross-sectional study.

  Journal of the American Board of Family Medicine : JABFM 20090101

• Paralysis and pernicious anemia in a young woman.

  The Journal of the Louisiana State Medical Society : official organ of the Louisiana State Medical Society 20090101

• Enhanced bone metabolism in vegetarians--the role of vitamin B12 deficiency.

  Clinical chemistry and laboratory medicine 20090101

• Moxifloxacin induced fatal hepatotoxicity in a 72-year-old man: a case report.

  Cases journal 20090101

• Resolution of cor pulmonale after medical management in a patient with cblC-type methylmalonic aciduria and homocystinuria: a case report.

  Cases journal 20090101

• Clustering of protein domains for functional and evolutionary studies.

  BMC bioinformatics 20090101

• Double aneuploidy (48,XXY,+21) of maternal origin in a child born to a 13-year-old mother: evaluation of the maternal folate metabolism.

  Genetic counseling (Geneva, Switzerland) 20090101

• Sub-acute combined degeneration with an initially normal level of vitamin B12: a case report.

  Cases journal 20090101

• Copper deficiency myeloneuropathy in a patient with haemachromatosis: a case report.

  Cases journal 20090101

• Cobalamin deficiency resulting in a rare haematological disorder: a case report.

  Journal of medical case reports 20090101

• Effects of dietary supplementation of high-dose folic acid on biomarkers of methylating reaction in vitamin B(12)-deficient rats.

  Nutrition research and practice 20090101

• Vitamin B12-impaired metabolism produces apoptosis and Parkinson phenotype in rats expressing the transcobalamin-oleosin chimera in substantia nigra.

  PloS one 20090101

• Coexistence of pernicious anemia and prostate cancer - 'an experiment of nature' involving vitamin B(12 )modulation of prostate cancer growth and metabolism: a case report.

  Journal of medical case reports 20090101

• Risk of dementia associated with elevated plasma homocysteine in a latin american population.

  International journal of Alzheimer's disease 20090101

• [Thromboembolic events, abortions and a sick infant--unusual presentation of a vitamin deficiency].

  Der Internist 20081201

• Relationships between gene polymorphisms of folate-related proteins and vitamins and metabolites in pregnant women and neonates.

  Clinica chimica acta; international journal of clinical chemistry 20081201

• Quantification of methylmalonic acid in human plasma with hydrophilic interaction liquid chromatography separation and mass spectrometric detection.

  Clinical chemistry 20081201

• Ocular phenotype in patients with methylmalonic aciduria and homocystinuria, cobalamin C type.

  Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus 20081201

• Transcobalamin (TC) deficiency--potential cause of bone marrow failure in childhood.

  Journal of inherited metabolic disease 20081201

• Disorders of vitamin B12 metabolism presenting through newborn screening.

  Annals of the Academy of Medicine, Singapore 20081201

• Outcome of organic acidurias in China.

  Annals of the Academy of Medicine, Singapore 20081201

• Brain damage by mild metabolic derangements in methylmalonic acidemia.

  Pediatric neurology 20081101

• [Radiological findings in methylmalonic acidemia].

  Revista de neurologia 20081101

• Neuropathy as a potential complication of levodopa use in Parkinson's disease.

  Movement disorders : official journal of the Movement Disorder Society 20081015

• Changes in markers of cobalamin status after cessation of oral B-vitamin supplements in elderly people with mild cobalamin deficiency.

  European journal of clinical nutrition 20081001

• Determination of serum methylmalonic acid by alkylative extraction and liquid chromatography coupled to tandem mass spectrometry.

  Analytical biochemistry 20081001

• Methylmalonic acidemia: brain imaging findings in 52 children and a review of the literature.

  Pediatric radiology 20081001

• [A clinical analysis of methylmalonic acidemia in adolescents].

  Zhonghua nei ke za zhi 20081001

• Vitamin B12 status and rate of brain volume loss in community-dwelling elderly.

  Neurology 20080909

• Molecular imaging of neurovascular cell death in experimental cerebral stroke by PET.

  Journal of nuclear medicine : official publication, Society of Nuclear Medicine 20080901

• 2-Methyl-3-(4-nitro-phen-yl)acrylic acid.

  Acta crystallographica. Section E, Structure reports online 20080901

• Crystallographic analysis of human serum albumin complexed with 4Z,15E-bilirubin-IXalpha.

  Journal of molecular biology 20080829

• Association between decreased vitamin levels and MTHFR, MTR and MTRR gene polymorphisms as determinants for elevated total homocysteine concentrations in pregnant women.

  European journal of clinical nutrition 20080801

• Gas chromatographic-mass spectrometric analysis of biomarkers related to folate and cobalamin status in human serum after dimercaptopropanesulfonate reduction and heptafluorobutyl chloroformate derivatization.

  Analytical chemistry 20080801

• Bread cofortified with folic acid and vitamin B-12 improves the folate and vitamin B-12 status of healthy older people: a randomized controlled trial.

  The American journal of clinical nutrition 20080801

• 2-Methyl-3-(3-methyl-phen-yl)acrylic acid.

  Acta crystallographica. Section E, Structure reports online 20080801

• 2-(4-Isopropyl-benzylidene)propanoic acid.

  Acta crystallographica. Section E, Structure reports online 20080801

• 3-(4-Chloro-phen-yl)-2-methyl-acrylic acid.

  Acta crystallographica. Section E, Structure reports online 20080801

• Reduced urinary excretion of homocysteine could be the reason of elevated plasma homocysteine in patients with psychiatric illnesses.

  Clinical biochemistry 20080701

• Common metabolic profile in infants indicating impaired cobalamin status responds to cobalamin supplementation.

  Pediatrics 20080701

• Novel intermolecular iterative mechanism for biosynthesis of mycoketide catalyzed by a bimodular polyketide synthase.

  PLoS biology 20080701

• Breast-feeding protects against arsenic exposure in Bangladeshi infants.

  Environmental health perspectives 20080701

• [Report of a case with methylmalonic acidemia].

  Zhonghua er ke za zhi = Chinese journal of pediatrics 20080701

• The adolescent and adult form of cobalamin C disease: clinical and molecular spectrum.

  Journal of neurology, neurosurgery, and psychiatry 20080601

• Vitamin B12 deficiency in hypersecretors during long-term acid suppression with proton pump inhibitors.

  Alimentary pharmacology & therapeutics 20080601

• Looking beyond the basal ganglia: the spectrum of MRI changes in methylmalonic acidaemia.

  Journal of inherited metabolic disease 20080601

• Organic acidemias: a methylmalonic and propionic focus.

  Journal of pediatric nursing 20080601

• Methylmalonic aciduria: current faces of a 'classical' organic aciduria.

  Journal of inherited metabolic disease 20080601

• Causes of and diagnostic approach to methylmalonic acidurias.

  Journal of inherited metabolic disease 20080601

• Diagnostic work-up and management of patients with isolated methylmalonic acidurias in European metabolic centres.

  Journal of inherited metabolic disease 20080601

• Newborn screening for methylmalonic acidurias--optimization by statistical parameter combination.

  Journal of inherited metabolic disease 20080601

• Review of the magnitude of folate and vitamin B12 deficiencies worldwide.

  Food and nutrition bulletin 20080601

• Indicators for assessing folate and vitamin B12 status and for monitoring the efficacy of intervention strategies.

  Food and nutrition bulletin 20080601

• The use of blood concentrations of vitamins and their respective functional indicators to define folate and vitamin B12 status.

  Food and nutrition bulletin 20080601

• Pemetrexed as second-line therapy for advanced non-small-cell lung cancer (NSCLC).

  Therapeutics and clinical risk management 20080601

• Measures of adiposity and body fat distribution in relation to serum folate levels in postmenopausal women in a feeding study.

  European journal of clinical nutrition 20080501

• Selective screening for inborn errors of metabolism and secondary methylmalonic aciduria in pregnancy at high risk district of neural tube defects: a human metabolome study by GC-MS in China.

  Clinical biochemistry 20080501

• A fast liquid chromatographic tandem mass spectrometric method for the simultaneous determination of total homocysteine and methylmalonic acid.

  Analytical and bioanalytical chemistry 20080501

• Retinal dysfunction in combined methylmalonic aciduria and homocystinuria (Cblc) disease: a spectrum of disorders.

  Klinische Monatsblatter fur Augenheilkunde 20080501

• Gene identification for the cblD defect of vitamin B12 metabolism.

  The New England journal of medicine 20080403

• Spectrum of MMACHC mutations in Italian and Portuguese patients with combined methylmalonic aciduria and homocystinuria, cblC type.

  Molecular genetics and metabolism 20080401

• Disorders caused by deficiency of succinate-CoA ligase.

  Journal of inherited metabolic disease 20080401

• Methyl 2-{[(4-hydroxy-phen-yl)(methoxy-carbon-yl)meth-yl]amino-carbon-yl}ethano-ate hemihydrate.

  Acta crystallographica. Section E, Structure reports online 20080401

• [Measurement of methylmalonic acid, homocysteine and methionine in cobalamin and folate deficiencies and homocysteinuria].

  Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke 20080313

• Holotranscobalamin and methylmalonic acid as prognostic markers following an acute myocardial infarction.

  European journal of clinical nutrition 20080301

• Prenatal diagnosis of methylmalonic aciduria by analysis of organic acids and total homocysteine in amniotic fluid.

  Chinese medical journal 20080205

• Neurodegeneration and chronic renal failure in methylmalonic aciduria--a pathophysiological approach.

  Journal of inherited metabolic disease 20080201

• Methylmalonic acidaemia: examination of genotype and biochemical data in 32 patients belonging to mut, cblA or cblB complementation group.

  Journal of inherited metabolic disease 20080201

• Evaluation of nutritional and genetic determinants of total homocysteine, methylmalonic acid and S-adenosylmethionine/S-adenosylhomocysteine values in Brazilian childbearing-age women.

  Clinica chimica acta; international journal of clinical chemistry 20080201

• Methylmalonic acid values in healthy Dutch children.

  European journal of nutrition 20080201

• Methylmalonic aciduria articles.

  Journal of inherited metabolic disease 20080201

• Methylmalonate inhibits succinate-supported oxygen consumption by interfering with mitochondrial succinate uptake.

  Journal of inherited metabolic disease 20080201

• Review of pemetrexed in combination with cisplatin for the treatment of malignant pleural mesothelioma.

  Therapeutics and clinical risk management 20080201

• Neurologic complications of gastric bypass surgery for morbid obesity.

  Neurology 20080122

• Vitamin B12 and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study.

  Diabetologia 20080101

• Combined liver-kidney transplant for the management of methylmalonic aciduria: a case report and review of the literature.

  Molecular genetics and metabolism 20080101

• Adenovirus-mediated gene delivery rescues a neonatal lethal murine model of mut(0) methylmalonic acidemia.

  Human gene therapy 20080101

• Carglumic acid: an additional therapy in the treatment of organic acidurias with hyperammonemia?

  Orphanet journal of rare diseases 20080101

• Altered red cell membrane compositions related to functional vitamin B(12) deficiency manifested by elevated urine methylmalonic acid concentrations in patients with schizophrenia.

  Annals of clinical biochemistry 20080101

• Serum biomarkers for atrophic gastritis and antibodies against Helicobacter pylori in the elderly: Implications for vitamin B12, folic acid and iron status and response to oral vitamin therapy.

  Scandinavian journal of gastroenterology 20080101

• Low serum vitamin B12 is associated with recurrent pregnancy loss in Syrian women.

  Clinical chemistry and laboratory medicine 20080101

• Liver hepatoblastoma and multiple OXPHOS deficiency in the follow-up of a patient with methylmalonic aciduria.

  Molecular genetics and metabolism 20080101

• Deciphering the genetic basis for polyketide variation among mycobacteria producing mycolactones.

  BMC genomics 20080101

• Delay of renal progression in methylmalonic acidemia using angiotensin II inhibition: a case report.

  Journal of nephrology 20080101

• In silico analysis of methyltransferase domains involved in biosynthesis of secondary metabolites.

  BMC bioinformatics 20080101

• Long-term effects of folic acid fortification and B-vitamin supplementation on total folate, homocysteine, methylmalonic acid and cobalamin in older adults.

  Canadian journal of public health = Revue canadienne de sante publique 20080101

• Hemolysis and hyperhomocysteinemia caused by cobalamin deficiency: three case reports and review of the literature.

  Journal of hematology & oncology 20080101

• Association between Helicobacter pylori-infection, C-reactive protein and status of B vitamins.

  Advances in medical sciences 20080101

• Cobalamin deficiency in elderly patients: a personal view.

  Current gerontology and geriatrics research 20080101

• The role of vitamins and minerals in psychiatry.

  Integrative medicine insights 20080101

• Hemolytic uremic syndrome (HUS) secondary to cobalamin C (cblC) disorder.

  Pediatric nephrology (Berlin, Germany) 20071201

• Efficacy of living donor liver transplantation for patients with methylmalonic acidemia.

  American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons 20071201

• Methylmalonic acidaemia leads to increased production of reactive oxygen species and induction of apoptosis through the mitochondrial/caspase pathway.

  The Journal of pathology 20071201

• Metabolomics identifies perturbations in human disorders of propionate metabolism.

  Clinical chemistry 20071201

• Untargeted metabolomic analysis hits the target.

  Clinical chemistry 20071201

• Folate and vitamin B12: friendly or enemy nutrients for the elderly.

  The Proceedings of the Nutrition Society 20071101

• Low vitamin B-12 status and risk of cognitive decline in older adults.

  The American journal of clinical nutrition 20071101

• The association of gastric cancer risk with plasma folate, cobalamin, and methylenetetrahydrofolate reductase polymorphisms in the European Prospective Investigation into Cancer and Nutrition.

  Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20071101

• CD1c presentation of synthetic glycolipid antigens with foreign alkyl branching motifs.

  Chemistry & biology 20071101

• Crystal structure and mutagenesis of the metallochaperone MeaB: insight into the causes of methylmalonic aciduria.

  The Journal of biological chemistry 20071026

• Pemetrexed pharmacokinetics and pharmacodynamics in a phase I/II study of doublet chemotherapy with vinorelbine: implications for further optimisation of pemetrexed schedules.

  British journal of cancer 20071022

• Late-onset combined homocystinuria and methylmalonic aciduria (cblC) and neuropsychiatric disturbance.

  American journal of medical genetics. Part A 20071015

• Vitamin B(12) and methylmalonic acid levels in patients presenting with polyneuropathy.

  Muscle & nerve 20071001

• Marfanoid features in a child with combined methylmalonic aciduria and homocystinuria (CblC type).

  Journal of inherited metabolic disease 20071001

• Atypical methylmalonic aciduria: frequency of mutations in the methylmalonyl CoA epimerase gene (MCEE).

  Human mutation 20071001

• West syndrome in an infant with vitamin B12 deficiency in the absence of macrocytic anaemia.

  Developmental medicine and child neurology 20071001

• Metabolic reconstruction and modeling of nitrogen fixation in Rhizobium etli.

  PLoS computational biology 20071001

• Half-sandwich RuII-[9]aneS3 complexes with dicarboxylate ligands: synthesis, characterization and chemical behavior.

  Dalton transactions (Cambridge, England : 2003) 20070928

• Large-scale population-based metabolic phenotyping of thirteen genetic polymorphisms related to one-carbon metabolism.

  Human mutation 20070901

• The effect of walking and vitamin B supplementation on quality of life in community-dwelling adults with mild cognitive impairment: a randomized, controlled trial.

  Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation 20070901

• [Floppy baby with macrocytic anemia and vegan mother].

  Praxis 20070829

• Methylmalonic acidaemia in a 7-month-old following maternal highly active antiretroviral therapy during pregnancy.

  AIDS (London, England) 20070820

• ESI-MS/MS study of acylcarnitine profiles in urine from patients with organic acidemias and fatty acid oxidation disorders.

  Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20070801

• Renal transplant in methylmalonic acidemia: could it be the best option? Report on a case at 10 years and review of the literature.

  Pediatric nephrology (Berlin, Germany) 20070801

• Long-term outcome in methylmalonic acidurias is influenced by the underlying defect (mut0, mut-, cblA, cblB).

  Pediatric research 20070801

• [Maternal vitamin B12 deficiency: cause for neurological symptoms in infancy].

  Zeitschrift fur Geburtshilfe und Neonatologie 20070801

• Cobalamin deficiency-induced down-regulation of p75-immunoreactive cell levels in rat central nervous system.

  Brain research 20070709

• Rapid 2nd-tier test for measurement of 3-OH-propionic and methylmalonic acids on dried blood spots: reducing the false-positive rate for propionylcarnitine during expanded newborn screening by liquid chromatography-tandem mass spectrometry.

  Clinical chemistry 20070701

• Reference intervals for haematological variables during normal pregnancy and postpartum in 434 healthy Danish women.

  European journal of haematology 20070701

• [Clinical studies on fifty-seven Chinese patients with combined methylmalonic aciduria and homocysteinemia].

  Zhonghua er ke za zhi = Chinese journal of pediatrics 20070701

• Vitamin and mineral status in elderly patients with chronic obstructive pulmonary disease.

  The clinical respiratory journal 20070701

• Convulsions induced by methylmalonic acid are associated with glutamic acid decarboxylase inhibition in rats: a role for GABA in the seizures presented by methylmalonic acidemic patients?

  Neuroscience 20070608

• Novel mutations found in two genes of thai patients with isolated methylmalonic acidemia.

  Biochemical genetics 20070601

• In vivo expression of human ATP:cob(I)alamin adenosyltransferase (ATR) using recombinant adeno-associated virus (rAAV) serotypes 2 and 8.

  The journal of gene medicine 20070601

• CE assay of methylmalonyl-coenzyme-a mutase activity.

  Electrophoresis 20070601

• Detection of vitamin B12 deficiency in older people by measuring vitamin B12 or the active fraction of vitamin B12, holotranscobalamin.

  Clinical chemistry 20070501

• [Failure to thrive and psychomotor regression revealing vitamin B12 deficiency in 3 infants].

  Archives de pediatrie : organe officiel de la Societe francaise de pediatrie 20070501

• A phase 1 study of pralatrexate in combination with paclitaxel or docetaxel in patients with advanced solid tumors.

  Clinical cancer research : an official journal of the American Association for Cancer Research 20070501

• 1H NMR spectra of methylcitric acid in urine.

  Journal of inherited metabolic disease 20070401

• Novel mutation of methylmalonyl-CoA mutase gene causing the mut0 form of methylmalonic acidemia in a Japanese girl.

  Pediatrics international : official journal of the Japan Pediatric Society 20070401

• Testicular injury to rats fed on soybean protein-based vitamin B12-deficient diet can be reduced by methionine supplementation.

  Journal of nutritional science and vitaminology 20070401

• Mutation and biochemical analysis of 19 probands with mut0 and 13 with mut- methylmalonic aciduria: identification of seven novel mutations.

  Molecular genetics and metabolism 20070301

• The role of nitric oxide on the convulsive behavior and oxidative stress induced by methylmalonate: an electroencephalographic and neurochemical study.

  Epilepsy research 20070301

• Mitochondrial encephalomyopathy with elevated methylmalonic acid is caused by SUCLA2 mutations.

  Brain : a journal of neurology 20070301

• Elevated serum S-adenosylhomocysteine in cobalamin-deficient megaloblastic anemia.

  Metabolism: clinical and experimental 20070301

• SUCLA2 mutations are associated with mild methylmalonic aciduria, Leigh-like encephalomyopathy, dystonia and deafness.

  Brain : a journal of neurology 20070301

• [Diagnosis and treatment of methylmalonic aciduria: a case report].

  Investigacion clinica 20070301

• Nutritional factors associated with anaemia in pregnant women in northern Nigeria.

  Journal of health, population, and nutrition 20070301

• Replacement of chlorides with dicarboxylate ligands in anticancer active Ru(II)-DMSO compounds: a new strategy that might lead to improved activity.

  Inorganic chemistry 20070205

• Biomarkers of folate and vitamin B12 are related in blood and cerebrospinal fluid.

  Clinical chemistry 20070201

• Determination of methylmalonic acid and glutaric acid in urine by aqueous-phase derivatization followed by headspace solid-phase microextraction and gas chromatography-mass spectrometry.

  Journal of separation science 20070201

• DNA-based diagnosis of methylmalonic aciduria and homocystinuria, cblC type in a Chinese patient presenting with mild developmental delay.

  Clinica chimica acta; international journal of clinical chemistry 20070101

• Methylene blue prevents methylmalonate-induced seizures and oxidative damage in rat striatum.

  Neurochemistry international 20070101

• Mutation and haplotype analyses of the MUT gene in Japanese patients with methylmalonic acidemia.

  Journal of human genetics 20070101

• Clinical inquiries. How do we evaluate a marginally low B12 level?

  The Journal of family practice 20070101

• Glomerular filtration rate as measured by serum cystatin C is an important determinant of plasma homocysteine and serum methylmalonic acid in the elderly.

  Journal of internal medicine 20070101

• Simultaneous quantification of acylcarnitine isomers containing dicarboxylic acylcarnitines in human serum and urine by high-performance liquid chromatography/electrospray ionization tandem mass spectrometry.

  Rapid communications in mass spectrometry : RCM 20070101

• Renal impairment compromises the use of total homocysteine and methylmalonic acid but not total vitamin B12 and holotranscobalamin in screening for vitamin B12 deficiency in the aged.

  Clinical chemistry and laboratory medicine 20070101

• Adenoviral-mediated correction of methylmalonyl-CoA mutase deficiency in murine fibroblasts and human hepatocytes.

  BMC medical genetics 20070101

• A simple high-throughput method for the determination of plasma methylmalonic acid by liquid chromatography-tandem mass spectrometry.

  Clinical chemistry and laboratory medicine 20070101

• External quality assessment of urinary methylmalonic acid quantification - results of a pilot study.

  Clinical chemistry and laboratory medicine 20070101

• Homocysteine and lipid profile in children with Juvenile Idiopathic Arthritis.

  Pediatric rheumatology online journal 20070101

• Heart failure in a patient with methylmalonic acidemia.

  Molecular genetics and metabolism 20070101

• Vitamin B12, folate, homocysteine and urinary methylmalonic acid levels in infants.

  The Journal of international medical research 20070101

• High-volume continuous venovenous hemofiltration as an effective therapy for acute management of inborn errors of metabolism in young children.

  Blood purification 20070101

• B-vitamins and homocysteine in Spanish institutionalized elderly.

  International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition 20070101

• Continuous hemodiafiltration in the treatment of hyperammonemia due to methylmalonic acidemia.

  Renal failure 20070101

• Methylmalonic acidemia presenting with an ichthyosis vulgaris-like aspect.

  Pediatric dermatology 20070101

• Metabolic phenotype of methylmalonic acidemia in mice and humans: the role of skeletal muscle.

  BMC medical genetics 20070101

• Quantitative profiling of folate and one-carbon metabolism in large-scale epidemiological studies by mass spectrometry.

  Clinical chemistry and laboratory medicine 20070101

• Haptocorrin in humans.

  Clinical chemistry and laboratory medicine 20070101

• Homocysteine levels in preterm infants: is there an association with intraventricular hemorrhage? A prospective cohort study.

  BMC pediatrics 20070101

• [A rare inborn error of intracellular processing of cobalamine presenting with microcephalus and megaloblastic anemia: a report of 3 children].

  Klinische Padiatrie 20070101

• Holotranscobalamin in laboratory diagnosis of cobalamin deficiency compared to total cobalamin and methylmalonic acid.

  Clinical chemistry and laboratory medicine 20070101

• Changes in vitamin status of Indian Antarctic expeditioners during a one-month stay in Austral Summer.

  Wilderness & environmental medicine 20070101

• Marginal folate inadequacy observed in a group of young children in Kwangju, Korea.

  Nutrition research and practice 20070101

• The methionine synthase reductase 66A>G polymorphism is a maternal risk factor for spina bifida.

  Journal of molecular medicine (Berlin, Germany) 20061201

• The aetiology of neurological complications of organic acidaemias--a role for the blood-brain barrier.

  Journal of inherited metabolic disease 20061201

• Current role of liver transplantation for methylmalonic acidemia: a review of the literature.

  Pediatric transplantation 20061201

• Clinical and biochemical studies on Chinese patients with methylmalonic aciduria.

  Journal of child neurology 20061201

• Methylmalonic acid and cognitive function in the Medical Research Council Cognitive Function and Ageing Study.

  The American journal of clinical nutrition 20061201

• Metabolic engineering of Pseudomonas putida for methylmalonyl-CoA biosynthesis to enable complex heterologous secondary metabolite formation.

  Chemistry & biology 20061201

• Diagnosis and treatment of vitamin B12 deficiency--an update.

  Haematologica 20061101

• Influence of different dietary levels of zinc on performance, vitamin B12, and blood parameters in lambs.

  International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition 20061101

• [Oral treatment of vitamin B12 deficiency in subacute combined degeneration].

  Der Nervenarzt 20061001

• A phase I study of pemetrexed (LY231514) supplemented with folate and vitamin B12 in Japanese patients with solid tumours.

  British journal of cancer 20060918

• Diazoxide protects against methylmalonate-induced neuronal toxicity.

  Experimental neurology 20060901

• Multicentre phase II pharmacokinetic and pharmacodynamic study of OSI-7904L in previously untreated patients with advanced gastric or gastroesophageal junction adenocarcinoma.

  British journal of cancer 20060821

• Homozygous nonsense mutation in the MCEE gene and siRNA suppression of methylmalonyl-CoA epimerase expression: a novel cause of mild methylmalonic aciduria.

  Molecular genetics and metabolism 20060801

• Combined methylmalonic aciduria and homocystinuria (cblC): phenotype-genotype correlations and ethnic-specific observations.

  Molecular genetics and metabolism 20060801

• Liver transplantation is not curative for methylmalonic acidopathy caused by methylmalonyl-CoA mutase deficiency.

  Molecular genetics and metabolism 20060801

• Anaesthesia for liver transplantation in two infants with an organic acidaemia.

  Pediatric transplantation 20060801

• Equimolar ammonia interference in potassium measurement on the Osmetech OPTI Critical Care Analyzer.

  Clinical chemistry 20060801

• Oral pharmacologic doses of cobalamin may not be as effective as parenteral cobalamin therapy in reversing hyperhomocystinemia and methylmalonic acidemia in apparently normal subjects.

  Clinical and laboratory haematology 20060801

• A homozygous nonsense mutation in the methylmalonyl-CoA epimerase gene (MCEE) results in mild methylmalonic aciduria.

  Human mutation 20060701

• Cobalamin status during normal pregnancy and postpartum: a longitudinal study comprising 406 Danish women.

  European journal of haematology 20060601

• Oral vitamin B12 versus intramuscular vitamin B12 for vitamin B12 deficiency: a systematic review of randomized controlled trials.

  Family practice 20060601

• Effect of vitamin B12 treatment on haptocorrin.

  Clinical chemistry 20060601

• [A case report of methylmalonic acidemia].

  Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics 20060601

• Abnormal increase in the expression level of proliferating cell nuclear antigen (PCNA) in the liver and hepatic injury in rats with dietary cobalamin deficiency.

  Journal of nutritional science and vitaminology 20060601

• Creatine prevents behavioral alterations caused by methylmalonic acid administration into the hippocampus of rats in the open field task.

  Journal of the neurological sciences 20060515

• Methylmalonic and propionic aciduria.

  American journal of medical genetics. Part C, Seminars in medical genetics 20060515

• Microsphere-based protease assays and screening application for lethal factor and factor Xa.

  Cytometry. Part A : the journal of the International Society for Analytical Cytology 20060501

• Gene discovery in methylmalonic aciduria and homocystinuria.

  Clinical genetics 20060501

• A phase II study of fixed-dose capecitabine and assessment of predictors of toxicity in patients with advanced/metastatic colorectal cancer.

  British journal of cancer 20060410

• Fingerprints of damped quantum rotation observed in solid-state proton NMR spectra.

  Chemphyschem : a European journal of chemical physics and physical chemistry 20060410

• A semimechanistic-physiologic population pharmacokinetic/pharmacodynamic model for neutropenia following pemetrexed therapy.

  Cancer chemotherapy and pharmacology 20060401

• Analysis of methylmalonic acid in plasma by liquid chromatography-tandem mass spectrometry.

  Clinical chemistry 20060401

• Lactate dehydrogenase activity is inhibited by methylmalonate in vitro.

  Neurochemical research 20060401

• Mutation and biochemical analysis of patients belonging to the cblB complementation class of vitamin B12-dependent methylmalonic aciduria.

  Molecular genetics and metabolism 20060301

• Metabolomic and bioinformatic analyses in asphyxiated neonates.

  Clinical biochemistry 20060301

• Vitamins in aging, health, and longevity.

  Clinical interventions in aging 20060301

• Renal transplantation in a 14-year-old girl with vitamin B12-responsive cblA-type methylmalonic acidaemia.

  Pediatric nephrology (Berlin, Germany) 20060201

• Biomarker discovery, disease classification, and similarity query processing on high-throughput MS/MS data of inborn errors of metabolism.

  Journal of biomolecular screening 20060201

• Differential inhibitory effects of methylmalonic acid on respiratory chain complex activities in rat tissues.

  International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience 20060201

• Measurement of total vitamin B12 and holotranscobalamin, singly and in combination, in screening for metabolic vitamin B12 deficiency.

  Clinical chemistry 20060201

• The cobalamin-binding proteins transcobalamin and haptocorrin in maternal and cord blood sera at birth.

  Clinical chemistry 20060201

• Neuropathology of methylmalonic acidemia in a child.

  Pediatric neurology 20060201

• The limited value of methylmalonic acid, homocysteine and holotranscobalamin in the diagnosis of early B12 deficiency.

  Haematologica 20060201

• Three novel and six common mutations in 11 patients with methylmalonic acidemia.

  Pediatrics international : official journal of the Japan Pediatric Society 20060201

• Effect of docosahexaenoic acid administration on plasma lipid profile and metabolic parameters of children with methylmalonic acidaemia.

  Journal of inherited metabolic disease 20060201

• Determination of methylmalonic acid in urine by HPLC with intramolecular excimer-forming fluorescence derivatization.

  Biomedical chromatography : BMC 20060101

• Folate and vitamin B12 in relation to lactation: a 9-month postpartum follow-up study.

  European journal of clinical nutrition 20060101

• Holotranscobalamin and total transcobalamin in human plasma: determination, determinants, and reference values in healthy adults.

  Clinical chemistry 20060101

• Identification of the gene responsible for methylmalonic aciduria and homocystinuria, cblC type.

  Nature genetics 20060101

• External quality control of urinary methyl malonic acid quantification - announcement of a pilot study.

  Clinical chemistry and laboratory medicine 20060101

• Characterization of a monoclonal antibody with specificity for holo-transcobalamin.

  Nutrition & metabolism 20060101

• Genetic and biochemical approach to early prenatal diagnosis in a family with mut methylmalonic aciduria.

  Clinical genetics 20060101

• Effectiveness of creatine monohydrate on seizures and oxidative damage induced by methylmalonate.

  Pharmacology, biochemistry, and behavior 20060101

• Dietary and other lifestyle correlates of serum folate concentrations in a healthy adult population in Crete, Greece: a cross-sectional study.

  Nutrition journal 20060101

• Total plasma homocysteine, folate, and vitamin B12 status in healthy Iranian adults: the Tehran homocysteine survey (2003-2004)/a cross-sectional population based study.

  BMC public health 20060101

• Homocysteine and cognitive impairment; a case series in a General Practice setting.

  Nutrition journal 20060101

• Imerslund-Gräsbeck syndrome (selective vitamin B(12) malabsorption with proteinuria).

  Orphanet journal of rare diseases 20060101

• Nutrition therapy of organic acidaemias with amino acid-based formulas: emphasis on methylmalonic and propionic acidaemia.

  Journal of inherited metabolic disease 20060101

• Methylmalonic and propionic acidurias: management without or with a few supplements of specific amino acid mixture.

  Journal of inherited metabolic disease 20060101

• Breast feeding in organic acidaemias.

  Journal of inherited metabolic disease 20060101

• 'Classical' organic acidurias, propionic aciduria, methylmalonic aciduria and isovaleric aciduria: long-term outcome and effects of expanded newborn screening using tandem mass spectrometry.

  Journal of inherited metabolic disease 20060101

• Propionyl-CoA and adenosylcobalamin metabolism in Caenorhabditis elegans: evidence for a role of methylmalonyl-CoA epimerase in intermediary metabolism.

  Molecular genetics and metabolism 20060101

• The effect of a valine-rich diet on intestinal adaptation to massive small bowel resection in the rat.

  Transplantation proceedings 20060101

• Homocysteine, vitamin B12 and folate levels in premature coronary artery disease.

  BMC cardiovascular disorders 20060101

• MTRR 66A>G polymorphism in relation to congenital heart defects.

  Clinical chemistry and laboratory medicine 20060101

• Plasma cobalamin and folate and their metabolic markers methylmalonic acid and total homocysteine among Egyptian children before and after nutritional supplementation with the probiotic bacteria Lactobacillus acidophilus in yoghurt matrix.

  International journal of food sciences and nutrition 20060101

• Age-related hearing loss, methylmalonic acid, and vitamin B12 status in older adults.

  Journal of nutrition for the elderly 20060101

• [Diagnosis of vitamin B12 deficiency revised].

  Nederlands tijdschrift voor geneeskunde 20051210

• Cobalamin C disease presenting with hemophagocytic lymphohistiocytosis.

  Pediatric hematology and oncology 20051201

• Two newborns with nutritional vitamin B12 deficiency: challenges in newborn screening for vitamin B12 deficiency.

  Haematologica 20051201

• Vitamin B12 and homocysteine.

  CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 20051122

• Automated assay for the determination of methylmalonic acid, total homocysteine, and related amino acids in human serum or plasma by means of methylchloroformate derivatization and gas chromatography-mass spectrometry.

  Clinical chemistry 20051101

• Effect of a valine-rich diet on a rat model of short bowel syndrome.

  Pediatric surgery international 20051101

• Simultaneous high performance liquid chromatographic separation of purines, pyrimidines, N-acetylated amino acids, and dicarboxylic acids for the chemical diagnosis of inborn errors of metabolism.

  Clinical biochemistry 20051101

• Homocysteine and methylmalonic acid concentrations in cerebrospinal fluid: relation with age and Alzheimer's disease.

  Journal of neurology, neurosurgery, and psychiatry 20051101

• Differential responses to dietary cobalt in finishing steers fed corn-versus barley-based diets.

  Journal of animal science 20051101

• [Renal impairment in patients with methylmalonic aciduria: a review of five cases].

  Zhonghua er ke za zhi = Chinese journal of pediatrics 20051101

• [Peculiarities of epileptic syndrome in children with metabolic disorders of nervous system].

  Georgian medical news 20051101

• Impaired energy metabolism and abnormal muscle histology in mut- methylmalonic aciduria.

  Neurology 20050927

• Low bone mineral density and bone mineral content are associated with low cobalamin status in adolescents.

  European journal of nutrition 20050901

• Viral infections and prolonged fever after liver transplantation in young children with inborn errors of metabolism.

  Journal of the Formosan Medical Association = Taiwan yi zhi 20050901

• [Vitamin B12 deficiency. New data on an old theme].

  Wiener klinische Wochenschrift 20050901

• Prenatal diagnosis for organic acid disorders using two mass spectrometric methods, gas chromatography mass spectrometry and tandem mass spectrometry.

  Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20050825

• Relation between homocysteine and B-vitamin status indicators and bone mineral density in older Americans.

  Bone 20050801

• Cobalamin-responsive disorders and unreliability of cobalamin, methylmalonic acid, and homocysteine testing.

  Blood 20050801

• Maculopathy and retinal degeneration in cobalamin C methylmalonic aciduria and homocystinuria.

  Archives of ophthalmology (Chicago, Ill. : 1960) 20050801

• Altered vitamin B12 status in recreational endurance athletes.

  International journal of sport nutrition and exercise metabolism 20050801

• Simultaneous retention index analysis of urinary amino acids and carboxylic acids for graphic recognition of abnormal state.

  Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20050705

• Cognitive performance in relation to vitamin status in healthy elderly German women-the effect of 6-month multivitamin supplementation.

  Preventive medicine 20050701

• Gene symbol: MUT. Disease: Methylmalonic aciduria.

  Human genetics 20050701

• Propionic and methylmalonic acids increase cAMP levels in slices of cerebral cortex of young rats via adrenergic and glutamatergic mechanisms.

  Biochimica et biophysica acta 20050610

• Vitamin B12, homocysteine and carotid plaque in the era of folic acid fortification of enriched cereal grain products.

  CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 20050607

• Assessment of visual function in children with methylmalonic aciduria and homocystinuria.

  Neuropediatrics 20050601

• Oral cyanocobalamin supplementation in older people with vitamin B12 deficiency: a dose-finding trial.

  Archives of internal medicine 20050523

• Disturbed homocysteine and methionine cycle intermediates S-adenosylhomocysteine and S-adenosylmethionine are related to degree of renal insufficiency in type 2 diabetes.

  Clinical chemistry 20050501

• [Application of tandem mass spectrometry in diagnosis of organic acidemias].

  Zhonghua er ke za zhi = Chinese journal of pediatrics 20050501

• [Encephalopathy with methylmalonic aciduria and homocystinuria secondary to a deficient exogenous supply of vitamin B12].

  Revista de neurologia 20050501

• Methylmalonic acidemia (MMA).

  Molecular genetics and metabolism 20050501

• Novel and established markers of cobalamin deficiency: complementary or exclusive diagnostic strategies.

  Seminars in vascular medicine 20050501

• Executive dysfunction in hyperhomocystinemia responds to homocysteine-lowering treatment.

  Neurology 20050426

• Effects of oral contraceptives and hormone replacement therapy on markers of cobalamin status.

  Clinical chemistry 20050401

• Assessing analytical specificity in quantitative analysis using tandem mass spectrometry.

  Clinical biochemistry 20050401

• Creatine metabolism in combined methylmalonic aciduria and homocystinuria.

  Annals of neurology 20050401

• Involvement of NO in the convulsive behavior and oxidative damage induced by the intrastriatal injection of methylmalonate.

  Neuroscience letters 20050311

• Effect of multivitamin supplementation on the homocysteine and methylmalonic acid blood concentrations in women over the age of 60 years.

  European journal of nutrition 20050301

• Mitochondrial DNA mutations in a patient with sex reversal and clinical features consistent with Fraser syndrome.

  Clinical genetics 20050301

• Holotranscobalamin--a first choice assay for diagnosing early vitamin B deficiency?

  Journal of internal medicine 20050301

• Methylmalonic acid--an endogenous toxin?

  Cellular and molecular life sciences : CMLS 20050301

• Tandemly duplicated acyl carrier proteins, which increase polyketide antibiotic production, can apparently function either in parallel or in series.

  The Journal of biological chemistry 20050225

• Inversion of enantioselectivity of asymmetric biocatalytic decarboxylation by site-directed mutagenesis based on the reaction mechanism.

  Chemical communications (Cambridge, England) 20050221

• Cobalamin deficiency in elderly patients.

  CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne 20050215

• Cobalamin-responsive disorders in the ambulatory care setting: unreliability of cobalamin, methylmalonic acid, and homocysteine testing.

  Blood 20050201

• Molecular basis of methylmalonyl-CoA mutase apoenzyme defect in 40 European patients affected by mut(o) and mut- forms of methylmalonic acidemia: identification of 29 novel mutations in the MUT gene.

  Human mutation 20050201

• Effects of intramuscular injections of vitamin B12 on lactation performance of dairy cows fed dietary supplements of folic acid and rumen-protected methionine.

  Journal of dairy science 20050201

• The usefulness of holotranscobalamin in predicting vitamin B12 status in different clinical settings.

  Current drug metabolism 20050201

• [Cobalamin--a critical nutritive element in old age].

  Medizinische Monatsschrift fur Pharmazeuten 20050201

• Magnetic resonance imaging and diffusion-weighted imaging in methylmalonic acidemia.

  Acta radiologica (Stockholm, Sweden : 1987) 20050201

• Diagnosis of methylmalonic acidemia from dried blood spots by HPLC and intramolecular-excimer fluorescence derivatization.

  Clinical chemistry 20050101

• Response of homocysteine, cystathionine, and methylmalonic acid to vitamin treatment in dialysis patients.

  Clinical chemistry 20050101

• Clinical onset and prognosis of Asian children with organic acidemias, as detected by analysis of urinary organic acids using GC/MS, instead of mass screening.

  Brain & development 20050101

• Cellular uptake of vitamin B12 in patients with chronic renal failure.

  Nephron. Clinical practice 20050101

• Early biochemical and clinical responses to cobalamin supplementation in cats with signs of gastrointestinal disease and severe hypocobalaminemia.

  Journal of veterinary internal medicine 20050101

• Methylmalonic and propionic acidaemias: management and outcome.

  Journal of inherited metabolic disease 20050101

• Management of methylmalonic acidaemia by combined liver-kidney transplantation.

  Journal of inherited metabolic disease 20050101

• Elevated methylmalonic acid is related to cognitive impairement in older adults enrolled in an elderly nutrition program.

  Journal of nutrition for the elderly 20050101

• Prenatal diagnosis for methylmalonic acidemia and inborn errors of vitamin B12 metabolism and transport.

  Molecular genetics and metabolism 20050101

• Fumarase deficiency presenting with periventricular cysts.

  Journal of inherited metabolic disease 20050101

• alpha-Tocopherol protects against pentylenetetrazol- and methylmalonate-induced convulsions.

  Epilepsy research 20050101

• Genetic and genomic systems to study methylmalonic acidemia.

  Molecular genetics and metabolism 20050101

• Impairment of homocysteine metabolism in patients with retinal vascular occlusion and non-arteritic ischemic optic neuropathy.

  Clinical chemistry and laboratory medicine 20050101

• Hyperhomocysteinemia and response of methionine cycle intermediates to vitamin treatment in renal patients.

  Clinical chemistry and laboratory medicine 20050101

• Homocysteine, folic acid and vitamin B12 in relation to pre- and postnatal health aspects.

  Clinical chemistry and laboratory medicine 20050101

• Concentrations of homocysteine, related metabolites and asymmetric dimethylarginine in preeclamptic women with poor nutritional status.

  Clinical chemistry and laboratory medicine 20050101

• The vegetarian lifestyle and DNA methylation.

  Clinical chemistry and laboratory medicine 20050101

• Rheumatoid arthritis is an independent risk factor for multi-vessel coronary artery disease: a case control study.

  Arthritis research & therapy 20050101

• Vitamin status and cognitive function in a long-term care population.

  BMC geriatrics 20050101

• Mutations in the MMAA gene in patients with the cblA disorder of vitamin B12 metabolism.

  Human mutation 20041201

• Cobalamin: a critical vitamin in the elderly.

  Preventive medicine 20041201

• Hypochromic red blood cells in low-risk myelodysplastic syndromes: effects of treatment with hemopoietic growth factors.

  Haematologica 20041201

• A child with vitamin B12 deficiency presenting with pancytopenia and hyperpigmentation.

  Journal of pediatric hematology/oncology 20041201

• GPR80/99, proposed to be the P2Y(15) receptor activated by adenosine and AMP, is not a P2Y receptor.

  Purinergic signalling 20041201

• Increased formation of short-chain organic acids after chronic ethanol administration and its interaction with the carnitine pool in rat.

  Archives of biochemistry and biophysics 20041115

• Effects of moderate alcohol consumption on folate and vitamin B(12) status in postmenopausal women.

  European journal of clinical nutrition 20041101

• Biochemical signs of impaired cobalamin status during and after radiotherapy for rectal cancer.

  International journal of radiation oncology, biology, physics 20041101

• A population-based intervention study on elevated serum levels of methylmalonic acid and total homocysteine in elderly people: results after 36 months of follow-up.

  Journal of internal medicine 20041101

• [Methylmalonic acid].

  Nihon rinsho. Japanese journal of clinical medicine 20041101

• Methylmalonic acidaemia: a rare metabolic disorder in pregnancy.

  Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology 20041101

• Successful dialysis in a boy with methylmalonic acidemia.

  Pediatric nephrology (Berlin, Germany) 20041001

• Inhibition of mitochondrial creatine kinase activity from rat cerebral cortex by methylmalonic acid.

  Neurochemistry international 20041001

• Reversible end-stage renal disease in an adolescent patient with methylmalonic aciduria.

  Pediatric nephrology (Berlin, Germany) 20041001

• Pathophysiology, diagnosis, and treatment of methylmalonic aciduria-recent advances and new challenges.

  Pediatric nephrology (Berlin, Germany) 20041001

• Screening for serum total homocysteine in newborn children.

  Clinical chemistry 20041001

• Homocysteine and the risk of ischemic stroke in a triethnic cohort: the NOrthern MAnhattan Study.

  Stroke 20041001

• The putative elaiophylin biosynthetic gene cluster in Streptomyces sp. DSM4137 is adjacent to genes encoding adenosylcobalamin-dependent methylmalonyl CoA mutase and to genes for synthesis of cobalamin.

  Journal of biotechnology 20040930

• Mitochondrial permeability transition in neuronal damage promoted by Ca2+ and respiratory chain complex II inhibition.

  Journal of neurochemistry 20040901

• Use of fasting urinary methylmalonic acid to screen for metabolic vitamin B12 deficiency in older persons.

  Nutrition (Burbank, Los Angeles County, Calif.) 20040901

• No effect of vitamin B-12 treatment on cognitive function and depression: a randomized placebo controlled study.

  Journal of affective disorders 20040901

• Vitamin B12 and folate depletion in cognition: a review.

  Neurology India 20040901

• Urinary methylmalonic acid test may have greater value than the total homocysteine assay for screening elderly individuals for cobalamin deficiency.

  Clinical chemistry 20040801

• [Diagnosis and treatment of methylmalonic acidemia in 14 cases].

  Zhonghua er ke za zhi = Chinese journal of pediatrics 20040801

• Potential cardiovascular risk factors in chronic kidney disease: AGEs, total homocysteine and metabolites, and the C-reactive protein.

  Kidney international 20040701

• Imaging of the brain, including diffusion-weighted imaging in methylmalonic acidemia.

  Pediatric radiology 20040701

• An infant with methylmalonic aciduria and homocystinuria (cblC) presenting with retinal haemorrhages and subdural haematoma mimicking non-accidental injury.

  European journal of pediatrics 20040701

• [Case of methylmalonic acidemia presenting clinically Leigh encephalopathy].

  No to hattatsu = Brain and development 20040701

• Propionic acidemia: unusual course with late onset and fatal outcome.

  Metabolism: clinical and experimental 20040601

• Changes in serum concentrations of methylmalonic acid and vitamin B12 in cobalt-supplemented ewes and their lambs on two cobalt-deficient properties.

  New Zealand veterinary journal 20040601

• Concurrent changes in serum vitamin B12 and methylmalonic acid during cobalt or vitamin B12 supplementation of lambs while suckling and after weaning on properties in the South Island of New Zealand considered to be cobalt-deficient.

  New Zealand veterinary journal 20040601

• A critical evaluation of serum methylmalonic acid and vitamin B12 for the assessment of cobalt deficiency of growing lambs in New Zealand.

  New Zealand veterinary journal 20040601

• The structural basis for methylmalonic aciduria. The crystal structure of archaeal ATP:cobalamin adenosyltransferase.

  The Journal of biological chemistry 20040528

• Citric acid cycle intermediates as ligands for orphan G-protein-coupled receptors.

  Nature 20040513

• 14C-propionate incorporation assay by rapid filtration in multiwell plates.

  Clinica chimica acta; international journal of clinical chemistry 20040501

• Simultaneous quantitative analysis of isobars by tandem mass spectrometry from unresolved chromatographic peaks.

  Journal of mass spectrometry : JMS 20040501

• Severe encephalopathy with epilepsy in an infant caused by subclinical maternal pernicious anaemia: case report and review of the literature.

  European journal of pediatrics 20040401

• Biological monitoring of kidney function among workers occupationally exposed to trichloroethylene.

  Occupational and environmental medicine 20040401

• Effects of folic acid fortification and multivitamin therapy on homocysteine and vitamin B(12) status in cardiac transplant recipients.

  The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation 20040401

• [Age-associated changes in the metabolism of vitamin B(12) and folic acid: prevalence, aetiopathogenesis and pathophysiological consequences].

  Zeitschrift fur Gerontologie und Geriatrie 20040401

• Characterization of corrinoid compounds from a Japanese black tea (Batabata-cha) fermented by bacteria.

  Journal of agricultural and food chemistry 20040225

• [Conventional and new laboratory parameters in the evaluation of hematologic disease].

  Therapeutische Umschau. Revue therapeutique 20040201

• Growth hormone deficiency associated with methylmalonic acidemia.

  Journal of pediatric endocrinology & metabolism : JPEM 20040201

• Parenteral vitamin B12 therapy of hyperhomocysteinemia in end-stage renal disease.

  Clinical and investigative medicine. Medecine clinique et experimentale 20040201

• Anemia, serum vitamin B12, and folic acid in patients with rheumatoid arthritis, psoriatic arthritis, and systemic lupus erythematosus.

  Rheumatology international 20040101

• Metabolic markers of cobalamin deficiency and cognitive function in normal older adults.

  Journal of the American Geriatrics Society 20040101

• Vitamin B12 status in the elderly as judged by available biochemical markers.

  Clinical chemistry 20040101

• Hematological parameters and cobalamin status in infants born to smoking mothers.

  Biology of the neonate 20040101

• Strategies for the laboratory diagnosis of some common causes of anaemia in elderly patients.

  Gerontology 20040101

• Breeding severely vitamin B12-deficient mice as model animals.

  International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition 20040101

• Energy expenditure in patients with propionic and methylmalonic acidaemias.

  Journal of inherited metabolic disease 20040101

• Succinate increases neuronal post-synaptic excitatory potentials in vitro and induces convulsive behavior through N-methyl-d-aspartate-mediated mechanisms.

  Neuroscience 20040101

• Homocysteine and reactive oxygen species in metabolic syndrome, type 2 diabetes mellitus, and atheroscleropathy: the pleiotropic effects of folate supplementation.

  Nutrition journal 20040101

• Intrastriatal malonate administration induces convulsive behaviour in rats.

  Journal of inherited metabolic disease 20040101

• Determination of carnitine and acylcarnitines in plasma by high-performance liquid chromatography/electrospray ionization ion trap tandem mass spectrometry.

  Rapid communications in mass spectrometry : RCM 20040101

• Vitamin B12 deficiency as a worldwide problem.

  Annual review of nutrition 20040101

• Methylmalonic acid in amniotic fluid and maternal urine as a marker for neural tube defects.

  Journal of Huazhong University of Science and Technology. Medical sciences = Hua zhong ke ji da xue xue bao. Yi xue Ying De wen ban = Huazhong keji daxue xuebao. Yixue Yingdewen ban 20040101

• Vitamin B6 level is associated with symptoms of depression.

  Psychotherapy and psychosomatics 20040101

• Alteration of homocysteine catabolism in pre-eclampsia, HELLP syndrome and placental insufficiency.

  Clinical chemistry and laboratory medicine 20040101

• A knock-out mouse model for methylmalonic aciduria resulting in neonatal lethality.

  The Journal of biological chemistry 20031226

• The impact of screening for propionic and methylmalonic acidaemia.

  European journal of pediatrics 20031201

• Cobalamin status and its biochemical markers methylmalonic acid and homocysteine in different age groups from 4 days to 19 years.

  Clinical chemistry 20031201

• Influence of dietary cobalt source and concentration on performance, vitamin B12 status, and ruminal and plasma metabolites in growing and finishing steers.

  Journal of animal science 20031201

• Methylmalonic acid, a biochemical hallmark of methylmalonic acidurias but no inhibitor of mitochondrial respiratory chain.

  The Journal of biological chemistry 20031128

• Reduction of plasma homocysteine and serum methylmalonate concentrations in apparently healthy elderly subjects after treatment with folic acid, vitamin B12 and vitamin B6: a randomised trial.

  European journal of clinical nutrition 20031101

• An improved assay for plasma methylmalonic acid using chemical ionization gas chromatography mass spectrometry.

  Clinical biochemistry 20031101

• Prevalence of vitamin B12 deficiency in spinal cord injury.

  Archives of physical medicine and rehabilitation 20031101

• Hyperhomocysteinemia and B-vitamin deficiencies in infants and children.

  Clinical chemistry and laboratory medicine 20031101

• The role of genetic factors in the development of hyperhomocysteinemia.

  Clinical chemistry and laboratory medicine 20031101

• Functional vitamin B12 deficiency and determination of holotranscobalamin in populations at risk.

  Clinical chemistry and laboratory medicine 20031101

• Holotranscobalamin as a predictor of vitamin B12 status.

  Clinical chemistry and laboratory medicine 20031101

• Comparison of the influence of volume-oriented training and high-intensity interval training on serum homocysteine and its cofactors in young, healthy swimmers.

  Clinical chemistry and laboratory medicine 20031101

• [Optimal use of markers for cobalamin/folate status. Results from a survey in a group of psychogeriatric patients].

  Lakartidningen 20031002

• Reported symptoms and clinical findings in relation to serum cobalamin, folate, methylmalonic acid and total homocysteine among elderly Swedes: a population-based study.

  Journal of internal medicine 20031001

• Neuropsychiatric disturbances in presumed late-onset cobalamin C disease.

  Archives of neurology 20031001

• Evaluation of the effect of chronic administration of drugs on rat behavior in the water maze task.

  Brain research. Brain research protocols 20031001

• Increased formic acid excretion and the development of kidney toxicity in rats following chronic dosing with trichloroethanol, a major metabolite of trichloroethylene.

  Toxicology 20030930

• Challenges in the identification of cobalamin-deficiency polyneuropathy.

  Archives of neurology 20030901

• Implementation of a clinical dementia guideline. A controlled study on the effect of a multifaceted strategy.

  Scandinavian journal of primary health care 20030901

• Effect of propionic and methylmalonic acids on the in vitro phosphorylation of intermediate filaments from cerebral cortex of rats during development.

  Metabolic brain disease 20030901

• [Diagnosis of vitamin B 12 deficiency].

  Ugeskrift for laeger 20030804

• Ammonia potentiates methylmalonic acid-induced convulsions and TBARS production.

  Experimental neurology 20030801

• Metabolic engineering of Escherichia coli for improved 6-deoxyerythronolide B production.

  Journal of industrial microbiology & biotechnology 20030801

• Novel mutations in a Thai patient with methylmalonic acidemia.

  Molecular genetics and metabolism 20030801

• N-carbamylglutamate enhances ammonia detoxification in a patient with decompensated methylmalonic aciduria.

  Molecular genetics and metabolism 20030801

• [Nutrition and health--potential health benefits and risks of vegetarianism and limited consumption of meat in the Netherlands].

  Nederlands tijdschrift voor geneeskunde 20030705

• Ascorbic acid prevents water maze behavioral deficits caused by early postnatal methylmalonic acid administration in the rat.

  Brain research 20030627

• Intrastriatal methylmalonic acid administration induces convulsions and TBARS production, and alters Na+,K+-ATPase activity in the rat striatum and cerebral cortex.

  Epilepsia 20030601

• Regulation of the mitochondrial ATP-synthase in health and disease.

  Molecular genetics and metabolism 20030601

• Urine methylmalonic acid measurements for the assessment of cobalamin deficiency related to neuropsychiatric disorders.

  Clinical biochemistry 20030601

• Increased plasma homocysteine levels without signs of vitamin B12 deficiency in patients with multiple sclerosis assessed by blood and cerebrospinal fluid homocysteine and methylmalonic acid.

  Multiple sclerosis (Houndmills, Basingstoke, England) 20030601

• Capillary electrophoresis for the determination of organic acidurias in body fluids: a review.

  Clinical chemistry and laboratory medicine 20030601

• [Diagnosis of vitamin B12 deficiency--time for reflection].

  Ugeskrift for laeger 20030505

• [Vitamin B12 in the Nordic countries. Deficiency, diagnosis, treatment in Sweden].

  Ugeskrift for laeger 20030505

• Computational approach for prediction of domain organization and substrate specificity of modular polyketide synthases.

  Journal of molecular biology 20030425

• GM1 ganglioside attenuates convulsions and thiobarbituric acid reactive substances production induced by the intrastriatal injection of methylmalonic acid.

  The international journal of biochemistry & cell biology 20030401

• Vitamin B12 insufficiency and the risk of fetal neural tube defects.

  QJM : monthly journal of the Association of Physicians 20030401

• Hypoxia-induced megaloblastosis in vitamin B12-deficient rats.

  The British journal of nutrition 20030401

• [Methylmalonic aciduria associated with myoclonic convulsions, psychomotor retardation and hypsarrhythmia].

  Revista de neurologia 20030401

• Homocysteine, methylenetetrahydrofolate reductase C677T polymorphism and the B-vitamins: a facet of nature-nurture interplay.

  Clinical chemistry and laboratory medicine 20030401

• Severe generalized dystonia induced by metoclopramide in a girl with methylmalonic acidemia.

  Brain & development 20030301

• RIA for serum holo-transcobalamin: method evaluation in the clinical laboratory and reference interval.

  Clinical chemistry 20030301

• Vitamin B12 deficiency.

  American family physician 20030301

• Vitamin B12 deficiency. Recognizing subtle symptoms in older adults.

  Geriatrics 20030301

• The effect of vitamin B12 on total plasma homocysteine concentration in folate-replete hemodialysis patients.

  Clinical nephrology 20030301

• Vitamin B-12 treatment has limited effect on health-related quality of life among individuals with elevated plasma methylmalonic acid: a randomized placebo-controlled study.

  Journal of internal medicine 20030201

• Vitamin B12 and methyl malonic acid: do we have all the answers?

  Journal of the American Geriatrics Society 20030201

• Relationship between methylmalonic acid, homocysteine, vitamin B12 intake and status and socio-economic indices, in a subset of participants in the British National Diet and Nutrition Survey of people aged 65 y and over.

  European journal of clinical nutrition 20030201

• Vitamin B12 decreases, but does not normalize, homocysteine and methylmalonic acid in end-stage renal disease: a link with glycine metabolism and possible explanation of hyperhomocysteinemia in end-stage renal disease.

  Metabolism: clinical and experimental 20030201

• Serum levels of total homocysteine, homocysteine metabolites and of advanced glycation end-products (AGEs) in patients after renal transplantation.

  Clinical nephrology 20030201

• Hyperhomocysteinemia and vitamin B-12 deficiency are more striking in Syrians than in Germans--causes and implications.

  Atherosclerosis 20030101

• Predictors of cobalamin deficiency in Guatemalan school children: diet, Helicobacter pylori, or bacterial overgrowth?

  Journal of pediatric gastroenterology and nutrition 20030101

• Elevated plasma homocysteine levels in patients treated with levodopa: association with vascular disease.

  Archives of neurology 20030101

• Gastric atrophy, metaplasia, and dysplasia: a clinical perspective.

  Journal of clinical gastroenterology 20030101

• Creatine protects against the convulsive behavior and lactate production elicited by the intrastriatal injection of methylmalonate.

  Neuroscience 20030101

• Potential for misdiagnosis due to lack of metabolic derangement in combined methylmalonic aciduria/hyperhomocysteinemia (cblC) in the neonate.

  Journal of perinatology : official journal of the California Perinatal Association 20030101

• Magnetic resonance imaging and spectroscopy in a patient with treated methylmalonic acidemia.

  Journal of computer assisted tomography 20030101

• L-carnitine in inborn errors of metabolism: what is the evidence?

  Journal of inherited metabolic disease 20030101

• [Connection between changing the vitamin and immune status and the character of the throat microflora in patients with chronic tonsillitis].

  Otolaryngologia polska = The Polish otolaryngology 20030101

• Severe neutropenia in an infant with methylmalonic acidemia.

  Boletin de la Asociacion Medica de Puerto Rico 20030101

• Myeloneuropathy from nitrous oxide abuse: unusually high methylmalonic acid and homocysteine levels.

  WMJ : official publication of the State Medical Society of Wisconsin 20030101

• Cobalamin, folate, methylmalonic acid, homocysteine, and gastritis markers in dementia.

  Dementia and geriatric cognitive disorders 20030101

• Diffusion-weighted imaging in the assessment of neurological damage in patients with methylmalonic aciduria.

  Journal of inherited metabolic disease 20030101

• Infantile mitochondrial DNA depletion syndrome associated with methylmalonic aciduria and 3-methylcrotonyl-CoA and propionyl-CoA carboxylase deficiencies in two unrelated patients: a new phenotype of mtDNA depletion syndrome.

  Journal of inherited metabolic disease 20030101

• Living-related liver transplantation for methylmalonic acidemia: report of one case.

  Acta paediatrica Taiwanica = Taiwan er ke yi xue hui za zhi 20030101

• Potential association of thyrotoxicosis with vitamin B and folate deficiencies, resulting in risk for hyperhomocysteinemia and subsequent thromboembolic events.

  Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists 20030101

• Improved growth and nutrition status in children with methylmalonic or propionic acidemia fed an elemental medical food.

  Molecular genetics and metabolism 20030101

• ATP and GSH dependence of MRP1-mediated outward translocation of phospholipid analogs in the human erythrocyte membrane.

  Molecular membrane biology 20030101

• Health technology assessment in clinical biochemistry. Methylmalonic acid: a Danish showcase.

  Scandinavian journal of clinical and laboratory investigation 20030101

• Routine determination of serum methylmalonic acid and plasma total homocysteine in Norway.

  Scandinavian journal of clinical and laboratory investigation 20030101

• [Psychiatric manifestations of vitamin B12 deficiency: a case report].

  L'Encephale 20030101

• Identification of the gene responsible for the cblB complementation group of vitamin B12-dependent methylmalonic aciduria.

  Human molecular genetics 20021215

• Vegetarian lifestyle and monitoring of vitamin B-12 status.

  Clinica chimica acta; international journal of clinical chemistry 20021201

• Effect of propionic and methylmalonic acids on the high molecular weight neurofilament subunit (NF-H) in rat cerebral cortex.

  Neurochemical research 20021201

• Pemetrexed safety and dosing strategy.

  Seminars in oncology 20021201

• Folate deficiency is a common finding in psychogeriatric patients.

  Aging clinical and experimental research 20021201

• Molecular studies in mutase-deficient (MUT) methylmalonic aciduria: identification of five novel mutations.

  Human mutation 20021101

• Cobalamin status (holo-transcobalamin, methylmalonic acid) and folate as determinants of homocysteine concentration.

  Clinical chemistry 20021101

• Response of elevated methylmalonic acid to three dose levels of oral cobalamin in older adults.

  Journal of the American Geriatrics Society 20021101

• Optimal use of markers for cobalamin and folate status in a psychogeriatric population.

  International journal of geriatric psychiatry 20021001

• Cobalamin C deficiency complicated by an atypical glomerulopathy.

  Pediatric nephrology (Berlin, Germany) 20021001

• Cobalamin pseudodeficiency due to a transcobalamin I deficiency.

  Southern medical journal 20020901

• Two cases of benign methylmalonic aciduria detected during a pilot study of neonatal urine screening.

  Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 20020825

• Is low-dose oral cobalamin enough to normalize cobalamin function in older people?

  Journal of the American Geriatrics Society 20020801

• Cobalamin disorder Cbl-C presenting with late-onset thrombotic microangiopathy.

  American journal of medical genetics 20020801

• Transcobalamin II 775G>C polymorphism and indices of vitamin B12 status in healthy older adults.

  Blood 20020715

• Hydroxocobalamin reduces hyperhomocysteinemia in end-stage renal disease.

  Metabolism: clinical and experimental 20020701

• Serum acylcarnitines and vitamin B12 deficiency.

  Clinical chemistry 20020701

• Progressive neurologic disability in methylmalonic acidemia despite transplantation of the liver.

  European journal of pediatrics 20020701

• Independent effect of vitamin B12 deficiency on hematological status in older Chinese vegetarian women.

  American journal of hematology 20020701

• Metabolic treatment of pregnancy and postdelivery period in a patient with cobalamin A disease.

  American journal of obstetrics and gynecology 20020701

• Inhibition of the mitochondrial respiratory chain complex activities in rat cerebral cortex by methylmalonic acid.

  Neurochemistry international 20020601

• Early-onset cobalamin C/D deficiency: epilepsy and electroencephalographic features.

  Epilepsia 20020601

• Ganglioside alterations in the central nervous system of rats chronically injected with methylmalonic and propionic acids.

  Metabolic brain disease 20020601

• Hyperhomocysteinemia and cobalamin deficiency in young Asian Indians in the United States.

  American journal of hematology 20020601

• Modern approaches to the investigation of vitamin B12 deficiency.

  Clinics in laboratory medicine 20020601

• Vitamin B(12) deficiency associated with histamine(2)-receptor antagonists and a proton-pump inhibitor.

  The Annals of pharmacotherapy 20020501

• Methylenetetrahydrofolate reductase genotype, vitamin B12, and folate influence plasma homocysteine in hemodialysis patients.

  American journal of kidney diseases : the official journal of the National Kidney Foundation 20020501

• Genetic and molecular control of folate-homocysteine metabolism in mutant mice.

  Mammalian genome : official journal of the International Mammalian Genome Society 20020501

• Successful pregnancy in a woman with mut- methylmalonic acidaemia.

  Journal of inherited metabolic disease 20020501

• Practical management of combined methylmalonicaciduria and homocystinuria.

  Journal of child neurology 20020501

• Homocysteine and methylmalonic acid: markers to predict and avoid toxicity from pemetrexed therapy.

  Molecular cancer therapeutics 20020501

• Neurodegeneration in methylmalonic aciduria involves inhibition of complex II and the tricarboxylic acid cycle, and synergistically acting excitotoxicity.

  The Journal of biological chemistry 20020426

• The loading and initial elongation modules of rifamycin synthetase collaborate to produce mixed aryl ketide products.

  Biochemistry 20020423

• [Neonatal onset methylmalonic aciduria and homocystinuria:Biochemical and clinical improvement with betaine therapy].

  Anales espanoles de pediatria 20020401

• Screening for cobalamin deficiency in geriatric outpatients: prevalence and influence of synthetic cobalamin intake.

  Journal of the American Geriatrics Society 20020401

• Unexplained familial benign methylmalonic aciduria.

  European journal of pediatrics 20020401

• Folate status and the safety profile of antifolates.

  Seminars in oncology 20020401

• Determination of calpha chemical shift tensor orientation in peptides by dipolar-modulated chemical shift recoupling NMR spectroscopy.

  Journal of the American Chemical Society 20020320

• Abnormal cobalamin-dependent transmethylation in AIDS-associated myelopathy.

  Neurology 20020312

• Reversible myelopathy in a 34-year-old man with vitamin B12 deficiency.

  Mayo Clinic proceedings 20020301

• [Myelopathy due to vitamin B12 deficiency presenting as transverse myelitis].

  Arquivos de neuro-psiquiatria 20020301

• Use of plasma methylmalonic acid in diagnosing vitamin B-12 deficiency in general practice.

  Scandinavian journal of primary health care 20020301

• Metabolic stroke in methylmalonic acidemia five years after liver transplantation.

  The Journal of pediatrics 20020201

• Branched-chain organic acidurias.

  Seminars in neonatology : SN 20020201

• Vitamin B12 and folate after 5-12 years of continent ileal urostomy (Kock reservoir) in children and adolescents.

  European urology 20020201

• Methylmalonic acid and clinical practice.

  Archives of internal medicine 20020114

• [Methylmalonic acid in diagnosis of vitamin B12 deficiency].

  Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke 20020110

• Choline and vitamin B12 deficiencies are interrelated in folate-replete long-term total parenteral nutrition patients.

  JPEN. Journal of parenteral and enteral nutrition 20020101

• The effect of folic acid supplementation on plasma homocysteine in an elderly population.

  QJM : monthly journal of the Association of Physicians 20020101

• Homocysteine blood level in long-term care residents with oropharyngeal dysphagia: comparison of hand-oral and tube-enteral-fed patients.

  JPEN. Journal of parenteral and enteral nutrition 20020101

• Elevated serum methylmalonic acid. How much comes from cobalamin deficiency and how much comes from the kidneys?

  Scandinavian journal of clinical and laboratory investigation 20020101

• Hyperhomocysteinemia is associated with low plasma pyridoxine levels in children with sickle cell disease.

  Journal of pediatric hematology/oncology 20020101

• Lack of association between plasma homocysteine and inflammation in psychogeriatric patients.

  Dementia and geriatric cognitive disorders 20020101

• Evaluation of the DPC IMMULITE 2000 assay for total homocysteine in plasma.

  Scandinavian journal of clinical and laboratory investigation 20020101

• Hyperhomocysteinemia: a new risk factor for degenerative diseases.

  Clinical laboratory 20020101

• VLA-4-dependent and -independent pathways in cell contact-induced proinflammatory cytokine production by synovial nurse-like cells from rheumatoid arthritis patients.

  Arthritis research 20020101

• The impact of vegetarianism on some haematological parameters.

  European journal of haematology 20020101

• [Inherited metabolic disorders accompanied with epileptic manifestations].

  Ryoikibetsu shokogun shirizu 20020101

• Cobalamin deficiency results in severe metabolic disorder of serine and threonine in rats.

  Biochimica et biophysica acta 20011205

• Cobalamin supplementation improves cognitive and cerebral function in older, cobalamin-deficient persons.

  The journals of gerontology. Series A, Biological sciences and medical sciences 20011201

• High prevalence of low serum vitamin B12 in a multi-ethnic Israeli population.

  British journal of haematology 20011201

• Metabolism of amino acids in cats with severe cobalamin deficiency.

  American journal of veterinary research 20011201

• The pathogenesis of hydrocephalus in inborn errors of the single carbon transfer pathway.

  Neuropediatrics 20011201

• Effects of methylmalonic and propionic acids on glutamate uptake by synaptosomes and synaptic vesicles and on glutamate release by synaptosomes from cerebral cortex of rats.

  Brain research 20011130

• [Metabolic complications and neurologic manifestations of vitamin B12 deficiency in children of vegetarian mothers].

  Casopis lekaru ceskych 20011122

• [Diagnosis and vitamin B12 deficiency].

  Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke 20011110

• Analysis of dicarboxylic acids by tandem mass spectrometry. High-throughput quantitative measurement of methylmalonic acid in serum, plasma, and urine.

  Clinical chemistry 20011101

• Rapid diagnosis of methylmalonic and propionic acidemias: quantitative tandem mass spectrometric analysis of propionylcarnitine in filter-paper blood specimens obtained from newborns.

  Clinical chemistry 20011101

• Kidney transplantation in a girl with methylmalonic acidemia and end stage renal failure.

  Pediatric nephrology (Berlin, Germany) 20011101

• Decrease of elevated N,N-dimethylglycine and N-methylglycine in human immunodeficiency virus infection during short-term highly active antiretroviral therapy.

  Metabolism: clinical and experimental 20011101

• Total homocysteine is making its way into pediatric laboratory diagnostics.

  European journal of clinical investigation 20011101

• Homocysteine and methylmalonic acid levels in pregnant Nepali women. Should cobalamin supplementation be considered?

  European journal of clinical nutrition 20011001

• Ventricular septal defect closure in a neonate with combined methylmalonic aciduria/homocystinuria.

  The Annals of thoracic surgery 20011001

• Vitamin B12 metabolism after urinary diversion with a Kock ileal reservoir.

  Scandinavian journal of urology and nephrology 20011001

• Determinants of cobalamin status in newborns.

  Pediatrics 20010901

• Vitamin B12 treatment normalizes metabolic markers but has limited clinical effect: a randomized placebo-controlled study.

  Clinical chemistry 20010801

• Homocysteine levels in patients treated with lipid apheresis: effect of a vitamin therapy.

  European journal of clinical investigation 20010801

• N219Y, a new frequent mutation among mut(degree) forms of methylmalonic acidemia in Caucasian patients.

  European journal of human genetics : EJHG 20010801

• The importance of hyperhomocysteinemia as a risk factor for diseases: an overview.

  Clinical chemistry and laboratory medicine 20010801

• Genetic defects as important factors for moderate hyperhomocysteinemia.

  Clinical chemistry and laboratory medicine 20010801

• Homocysteine, cystathionine, methylmalonic acid and B-vitamins in patients with renal disease.

  Clinical chemistry and laboratory medicine 20010801

• Does a single vitamin B-supplementation induce functional vitamin B-deficiency?

  Clinical chemistry and laboratory medicine 20010801

• CblC/D defect combined with haemodynamically highly relevant VSD.

  Journal of inherited metabolic disease 20010801

• Inhibition of mitochondrial complex II induces a long-term potentiation of NMDA-mediated synaptic excitation in the striatum requiring endogenous dopamine.

  The Journal of neuroscience : the official journal of the Society for Neuroscience 20010715

• Crystal structure of methylmalonyl-coenzyme A epimerase from P. shermanii: a novel enzymatic function on an ancient metal binding scaffold.

  Structure (London, England : 1993) 20010703

• Characterization of a vitamin B12 compound from unicellular coccolithophorid alga (Pleurochrysis carterae).

  Journal of agricultural and food chemistry 20010701

• Increased plasma methylmalonic acid level does not predict clinical manifestations of vitamin B12 deficiency.

  Archives of internal medicine 20010625

• Methylmalonic acid: a test whose time has come?

  Archives of pathology & laboratory medicine 20010601

• Total homocysteine, vitamin B(12), and total antioxidant status in vegetarians.

  Clinical chemistry 20010601

• Improvement of cognitive functions after cobalamin/folate supplementation in elderly patients with dementia and elevated plasma homocysteine.

  International journal of geriatric psychiatry 20010601

• Feeding dried purple laver (nori) to vitamin B12-deficient rats significantly improves vitamin B12 status.

  The British journal of nutrition 20010601

• Shifts in B12 opinions in primary health care of Sweden.

  Scandinavian journal of public health 20010601

• [Pernicious anemia].

  La Revue du praticien 20010601

• Homocysteine and methylmalonic acid as indicators of folate and vitamin B12 deficiency in pregnancy.

  Clinical and laboratory haematology 20010601

• Multi-slice proton MR spectroscopy and diffusion-weighted imaging in methylmalonic acidemia: report of two cases and review of the literature.

  AJNR. American journal of neuroradiology 20010501

• Mutation analysis of the MCM gene in Israeli patients with mut(0) disease.

  Molecular genetics and metabolism 20010501

• Serum cobalamin, folate, methylmalonic acid and total homocysteine as vitamin B12 and folate tissue deficiency markers amongst elderly Swedes--a population-based study.

  Journal of internal medicine 20010501

• Geminal dicarboxylates as carbonyl surrogates for asymmetric synthesis. Part I. Asymmetric addition of malonate nucleophiles.

  Journal of the American Chemical Society 20010425

• Adult-onset combined methylmalonic aciduria and homocystinuria (cblC).

  Neurology 20010424

• [Regarding the diagnosis of vitamin B 12 deficiency].

  Medicina clinica 20010331

• Early-onset combined methylmalonic aciduria and homocystinuria: neuroradiologic findings.

  AJNR. American journal of neuroradiology 20010301

• Homocyst(e)ine metabolism in hemodialysis patients treated with vitamins B6, B12 and folate.

  Research in experimental medicine. Zeitschrift fur die gesamte experimentelle Medizin einschliesslich experimenteller Chirurgie 20010301

• Identification and effects of interaction phytotoxic compounds from exudate of Cistus ladanifer leaves.

  Journal of chemical ecology 20010301

• Homocysteine, its metabolites, and B-group vitamins in renal transplant patients.

  Kidney international. Supplement 20010201

• Chronic postnatal administration of methylmalonic acid provokes a decrease of myelin content and ganglioside N-acetylneuraminic acid concentration in cerebrum of young rats.

  Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 20010201

• Parenteral vitamin B12 reduces hyperhomocysteinemia in end-stage renal disease.

  Clinical and investigative medicine. Medecine clinique et experimentale 20010201

• Cobalamin (Cbl) C/D deficiency: clinical, neurophysiological and neuroradiologic findings in 14 cases.

  Neuropediatrics 20010201

• [Study of cobalamin deficiency in gastrectomized and aged subjects].

  Revista clinica espanola 20010201

• Hyperhomocysteinemia is associated with venous thrombosis in patients with short bowel syndrome.

  JPEN. Journal of parenteral and enteral nutrition 20010101

• Long-term effects of vitamin B(12), folate, and vitamin B(6) supplements in elderly people with normal serum vitamin B(12) concentrations.

  Gerontology 20010101

• [Acidemia, methylmalonic].

  Ryoikibetsu shokogun shirizu 20010101

• Enhancing the atom economy of polyketide biosynthetic processes through metabolic engineering.

  Biotechnology progress 20010101

• Extended form of a retro-inverso peptide stabilized by beta-sheet unidirectional H-bonds: Crystallographic and NMR evidence.

  Biopolymers 20010101

• Methylmalonic acidemia with renal involvement: a case report and review of literature.

  Saudi journal of kidney diseases and transplantation : an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia 20010101

• Inhibition of vitamin B12 metabolism by OH-cobalamin c-lactam in rat oligodendrocytes in culture: a model for studying neuropathy due to vitamin B12 deficiency.

  Neuroscience letters 20000721

• Stereodifferentiation of 3-hydroxyisobutyric- and 3-aminoisobutyric acid in human urine by enantioselective multidimensional capillary gas chromatography-mass spectrometry.

  Clinica chimica acta; international journal of clinical chemistry 20000225

• Artefactual pyruvate and 2-oxobutyrate produced by trimethylsilylation of methylmalonic and ethylmalonic acids in the presence of oxygen.

  Journal of inherited metabolic disease 19991001

• [Neonatal hemolytic and uremic syndrome, methylmalonic aciduria and homocystinuria due to intracellular vitamin B12 deficiency].

  Archives de pediatrie : organe officiel de la Societe francaise de pediatrie 19940801

• [Neonatal hemolytic-uremic syndrome, methylmalonic aciduria and homocystinuria caused by intracellular vitamin B 12 deficiency. Value of etiological diagnosis].

  Archives francaises de pediatrie 19931101

• Maternal vegan diet causing a serious infantile neurological disorder due to vitamin B12 deficiency.

  European journal of pediatrics 19910101

• [A case of metabolic encephalopathy caused by vitamin B 12-dependent methylmalonicoaciduria].

  Acta neurologica 19810201

• [A case of metabolic encephalopathy caused by vitamin B 12-dependent methylmalonicaciduria].

  Acta neurologica. Quaderni 19810101