Effect of methionine on specific folate coenzyme pools in vitamin B 12 deficient and supplemented rats.
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Animal Nutritional Physiological Phenomena↗
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Results for “VITAMIN B 12 DEFICIENCY”
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[The diagnosis of vitamin B 12 deficiency].
In 5 normal persons, 1 patient with pernicious anemia, 5 patients with renal insufficiency in the state of compensation, and in one patient with chronic hemodialysis Schilling tests, activity of 57Co and vitamin B12 serum levels were measured. It was obvicous that activity of 57Co in serum 8 hours after oral application of 0.5 muCi 57Co-vitamin B12 showed reliable results to clear the problem of vitamin B12 malresorption. This method is easier than the Schilling test because the collection of 24-hour-urine is not necessary and an insufficiency of renal function does not influence the result.
Anemia, Pernicious↗
Methylmalonate, formiminoglutamate and aminoimidazolecarboxamide excretion of vitamin B 12 -deficient germfree and conventional rats.
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Aging↗
Serum B 12 binders in vitamin B 12 deficiency. Relation of serum B 12 and haemoglobin levels with B 12 binders.
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Adult↗
In vivo oxidative metabolism of propionic acid in human vitamin B 12 deficiency.
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Anemia, Macrocytic↗
[Alimentary factors and avian infectious diseases. Research on the effect of a vitamin B 12 deficient diet on production of hemagglutination-inhibiting antibodies against avian pseudoplague virus].
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Animal Nutritional Physiological Phenomena↗
Urinary excretion of histidine metabolites as an indication for folic acid and vitamin B 12 deficiency.
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Adolescent↗
Factors influencing the uptake of vitamin B 12 by normoblastic and vitamin B 12 -deficient bone marrow cells.
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Bone Marrow↗
Methylation of t-RNA: effect of vitamin B 12 deficiency in rat.
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Alkylation↗
An effect of vitamin B 12 deficiency in tissue culture.
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Animals↗
[Vitamin B 12 deficiency conditions from the neuropsychiatric viewpoint].
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Anemia, Macrocytic↗
Clinical aspect of the studies of metabolic precursors of methylmalonic acid in vitamin B 12 deficiency.
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Adult↗
The oxidation of the beta carbon of serine in human folate and vitamin B 12 deficiency.
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Anemia, Macrocytic↗
[Disturbances in nervous system connected with vitamin B 12 deficiency].
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Aged↗
Down beat nystagmus in vitamin B 12 deficiency syndrome.
A 34 years old male, presenting with progressive proximal weakness, with a neurogenic pattern on needle EMG, and a family history suggestive of an autosomal recessive disorder, was found to have additional features of myeloneuropathy and a down beat nystagmus. A low serum vitamin B12 level was found, and on vitamin B12 supplementation there was a partial clinical as well as electrophysiological recovery.
Adult↗
Urinary excretion of 5-methyltetrahydrofolate and liver S-adenosylmethionine levels of rats fed a vitamin B 12-deficient diet.
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Animals↗
[Neurological institutes agree: they suggest new guidelines for handling of suspected vitamin B 12 deficiency].
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Humans↗
[Megaloblastic vitamin B 12 deficiency anemia with erythroleukemic blood picture].
Report on a case of severe megaloblastic anemia in a vegetarian, associated with marked erythroleukemic blood findings probably caused by infections (bronchopneumonia, asthmatic bronchitis, urinary tract infection) and severe heart failure. Successful treatment of the above mentioned complications resulted in almost complete disappearance of pathologic cells from the blood even before vitamin B12 treatment was started. With this therapy complete recovery was achieved and the signs suspect for erythroleukemia in blood and bone marrow disappeared definitively. The case also fulfilled all the criteria of pernicious anemia (Schilling's test and determination of intrinsic factor were not done).
Aged↗