cobalamin


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cobalamin:

see coenzymecoenzyme
, any one of a group of relatively small organic molecules required for the catalytic function of certain enzymes. A coenzyme may either be attached by covalent bonds to a particular enzyme or exist freely in solution, but in either case it participates intimately in
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; vitaminvitamin,
group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either the vitamins themselves are coenzymes, or they form integral parts of coenzymes.
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.

cobalamin

[kə′bȯl·ə·mən]
(biochemistry)
vitamin B12
References in periodicals archive ?
We also constructed a receiver operative curve (ROC curve) to investigate the suitability of serum cobalamin as a predictive biomarker for GDM.
Guidelines for the diagnosis and treatment of cobalamin and folate disorders.
Neuropsychiatric disorders caused by cobalamin deficiency in the absence of anemia or macrocytosis.
Cobalamin C defect associated with hemolytic-uremic syndrome.
In the case of cobalamin specifically, the situation is more complex.
6] An earlier pilot study reported by us had shown that 40% of normal Indian subjects with normal haemograms were cobalamin-deficient [7] A 1973 study by WHO on the nutritional status of pregnant women in India documented iron, folate and cobalamin deficiency.
10] reported that the movement disorder that appeared after treatment is due to the swift availability of cobalamin resulting in intense stimulation of cobalamin and folate pathways, producing a short-term imbalance of metabolic pathways, with local deficiencies or excesses occurring.
Current hematological findings in cobalamin deficiency: a study of 201 consecutive patients with documented cobalamin deficiency.
Falsely elevated cobalamin concentration in multiple assays in a patient with pernicious anemia: a case study.
Ethnic and racial factors in cobalamin metabolism and its disorders.
Antibodies to intrinsic factor (AIFA), which block the binding of cobalamin to intrinsic factor, have been reported in 31-76% of patients with pernicious anemia.