Vitamin B 12 and folate metabolism.
نویسندگان
چکیده
منابع مشابه
Vitamin B-12 and folate deficiency in elderly persons.
In May 2002, the Food Standards Agency in the United Kingdom decided against endorsing the recommendation of the Committee on Medical Aspects of Food and Nutrition Policy that universal folic acid fortification of flour be introduced to prevent neural tube defects, but the agency also indicated a willingness to reconsider the decision in the light of further evidence. In coming to its decision,...
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Forty-one patients with oral lesions and symptoms were enrolled in the study. Their ages ranged from 16 to 79 years with a mean age of 48.5 years. They were divided into two groups. Group I consisted of 25 patients with oral lichen planus and group II consisted of 16 patients with stomatitis or glossitis. Their complete blood counts, hemoglobin typing, serum and red cell folate, and serum vitam...
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Serum homocysteine concentrations have been shown to be a sensitive functional indicator of intracellular folate, vitamin B-12, and vitamin B-6 status. Chronic alcoholism is known to interfere with one-carbon metabolism, for which the above vitamins serve as coenzymes. In the present study, these vitamins were assessed in 32 chronic alcoholics and 31 healthy volunteers by measuring blood vitami...
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Vitamin B(12) and folate are two vitamins that have interdependent roles in nucleic acid synthesis. Deficiencies of either vitamin can cause megaloblastic anemia; however, inappropriate treatment of B(12) deficiency with folate can cause irreversible nerve degeneration. Inadequate folate nutrition during early pregnancy can cause neural tube defects in the developing fetus. In addition, folate ...
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In pregnancy the level of serum vitamin B(12) is lower in women who smoke than in non-smokers. This finding occurs independently of social class, parity, or level of haemoglobin. In addition, the mean serum B(12) level tends to be less in women who are anaemic and is less in those women who have smaller babies. These findings may be an effect of the cyanide content of tobacco smoke, since cyani...
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ژورنال
عنوان ژورنال: BMJ
سال: 1972
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.2.5809.350