Functional cobalamin (vitamin B12) deficiency: role of advanced age and disorders associated with increased oxidative stress

Advanced Age as a Risk Factor for Folate-Associated Functional Cobalamin Deficiency

(2013) Lawrence R. Solomon   JOURNAL OF THE AMERICAN GERIATRICS SOCIETY

Methylmalonic acid and homocysteine assessment in the detection of vitamin B12 deficiency in patients with bilateral visual loss

(2012) Jan W. R. Pott et al.   ACTA OPHTHALMOLOGICA

Serum vitamin B12 not reflecting vitamin B12 status in patients with type 2 diabetes

(2012) Rima Obeid et al.   BIOCHIMIE

Failures of Cobalamin Assays in Pernicious Anemia

(2012) Ralph Carmel et al.   NEW ENGLAND JOURNAL OF MEDICINE

Diabetes as a Cause of Clinically Significant Functional Cobalamin Deficiency

(2011) L. R. Solomon   DIABETES CARE

Vitamin B12 protects against superoxide-induced cell injury in human aortic endothelial cells

(2011) Edward S. Moreira et al.   FREE RADICAL BIOLOGY AND MEDICINE

Oxidative stress in Phenylketonuria: future directions

(2011) Júlio César Rocha et al.   JOURNAL OF INHERITED METABOLIC DISEASE

Do we need to reconsider the desirable blood level of vitamin B12?

(2011) A. David Smith et al.   JOURNAL OF INTERNAL MEDICINE

Advanced glycation end products overload might explain intracellular cobalamin deficiency in renal dysfunction, diabetes and aging

(2011) Rima Obeid et al.   MEDICAL HYPOTHESES

Vegetarian diet improves insulin resistance and oxidative stress markers more than conventional diet in subjects with Type 2 diabetes

(2010) H. Kahleova et al.   DIABETIC MEDICINE

Methylcobalamin effects on diabetic neuropathy and nerve protein kinase C in rats

(2010) Hiroki Mizukami et al.   EUROPEAN JOURNAL OF CLINICAL INVESTIGATION

Severe Myeloneuropathy from Acute High-Dose Nitrous Oxide (N2O) Abuse

(2010) Rachel S. Alt et al.   JOURNAL OF EMERGENCY MEDICINE

Utility of measuring vitamin B12 and its active fraction, holotranscobalamin, in neurological vitamin B12 deficiency syndromes

(2010) Wiebke Schrempf et al.   JOURNAL OF NEUROLOGY

Vitamin B12-responsive severe leukoencephalopathy and autonomic dysfunction in a patient with "normal" serum B12 levels

(2010) J. J. Graber et al.   JOURNAL OF NEUROLOGY NEUROSURGERY AND PSYCHIATRY

Serum vitamin B12 concentrations within reference values do not exclude functional vitamin B12 deficiency in PKU patients of various ages

(2010) Inge Vugteveen et al.   MOLECULAR GENETICS AND METABOLISM

Determinants of Plasma Methylmalonic Acid in a Large Population: Implications for Assessment of Vitamin B12 Status

(2009) A. Vogiatzoglou et al.   CLINICAL CHEMISTRY

Vitamin B12and Redox Homeostasis: Cob(II)alamin Reacts with Superoxide at Rates Approaching Superoxide Dismutase (SOD)

(2009) Edward Suarez-Moreira et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Urinary Methylmalonic Acid in Patients with Acute Myocardial Infarction

(2009) Turgay Celik et al.   MEDICAL PRINCIPLES AND PRACTICE

Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline

(2009) C. C. Tangney et al.   NEUROLOGY

Preliminary Evidence for Cell Membrane Amelioration in Children with Cystic Fibrosis by 5-MTHF and Vitamin B12 Supplementation: A Single Arm Trial

(2009) Cinzia Scambi et al.   PLoS One

Efficacy of methylcobalamin and folinic acid treatment on glutathione redox status in children with autism

(2008) S Jill James et al.   AMERICAN JOURNAL OF CLINICAL NUTRITION

How I treat cobalamin (vitamin B12) deficiency

(2008) R. Carmel   BLOOD

Altered red cell membrane compositions related to functional vitamin B12 deficiency manifested by elevated urine methylmalonic acid concentrations in patients with schizophrenia

(2008) Ömer Özcan et al.   ANNALS OF CLINICAL BIOCHEMISTRY