منابع مشابه
Hepatic Vitamin B6 Metabolism
nM. Thus, pyridloxal-P is the principal B6 vitaimer in plasma. Durinig pyridoxine stupplemiienitation, mealn plasnma levels of the B6 vitaimers anid pyridoxic acidl increasedl to 655±122 aindl 222±55 nM, respectively. The plasma content of pyridoxal-P aind( pyricloxic acidl increased 6-7-fold anid thatt of pyridoxal, 12-fold, but the pyridloxiine level did niot increase. Isolatedlhepatocytes, 1...
متن کاملEffect of vitamin B6 on Ieucine-induced
Disturbances in the tryptophan-niacin pathway seen in endemic pellagra among sorghum eaters have been ascribed to high dietary intake of leucine. Vitamin B, plays an important role in several steps of this pathway. Therefore, studies on possible metabolic interrelations between excess dietary leucine and vitamin B, were undertaken in normal healthy human subjects. The results indicated that vit...
متن کاملVitamin B6 and arteriosclerosis.
In 1949, Rinehart and Greenberg reported that marked arteriosclerosis occurs in vitamin-B6-deficient monkeys. The present study investigates the relationship between vitamin B6 and arteriosclerosis and summarizes the results. I found that thrombogenesis, disorder of collagen metabolism and production of free radicals may be the processes that cause arteriosclerosis in human and experimental ani...
متن کاملPharmacological studies on experimental dental caries in rats. 13. Effects of vitamin B2, B6 and anti-vitamin B6 agents on the cariogenicity and weight.
It is well known that among vitamin B agents those of B1 and B6 possess an inhibitory action of experimentally induced caries in animals but nothing definiteseems still unknown about the actions of B2 and anti-vitamin B6 agents. The present report is concerned with flavin adenine dinucleotide (to be abbreviated as F. A. D.) as B2, pyridoxine, 2-methy1-3-hydroxy-4-formy1-5-hydroxymethylpyridine-...
متن کاملFluorescence studies on some hydroxypyridines including compounds of the vitamin B6 group.
1. The variations with pH (from 36n-sulphuric acid to 10n-sodium hydroxide) of the excitation and fluorescence wavelengths and fluorescence intensity of 2-, 3- and 4-hydroxypyridine and their O- and N-methyl derivatives were investigated. 2. 4-Hydroxy- and 4-methoxy-pyridine were non-fluorescent at all pH values. 3. The cations and dipolar ions of the 3-hydroxypyridine derivatives and the anion...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1954
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)71279-9