منابع مشابه
Pyridoxol metabolism in vitamin B6-responsive convulsions of early infancy.
As there is uncertainty about the nature of the metabolic defect in vitamin B6-responsive convulsion, certain aspects of pyridoxol metabolism were studied in 3 patients who were believed on clinical grounds to have the condition. The findings were compared with those in healthy children and adults, and in children with mental handicap. The magnitude of the initial rise and the subsequent fall i...
متن کاملHepatic 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 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 کاملVitamin B12-responsive neonatal megaloblastic anemia and homocystinuria with associated reduced methionine synthase activity.
We present findings on an infant with neonatal megaloblastic anemia, homocystinuria, and neurologic dysfunction that included developmental delay and tonic seizures. There was no methylmalonic aciduria. Cyanocobalamin therapy was accompanied by complete hematologic and neurologic recovery, diminished homocystine excretion, and subsequently normal neurologic development. Cultured fibroblasts and...
متن کاملHomocystinuria masquerading as vitamin B12 deficiency.
BACKGROUND Homocystinuria is a rare metabolic disorder characterized by excess homocysteine in the urine. Vitamin B12 deficiency has diverse cutaneous, nervous and ophthalmic manifestations. OBJECTIVE To report a case of homocystinuria masquerading as vitamin B 12 deficiency. CASE We hereby are presenting an interesting case of a 4 year old boy who was being treated for Vitamin B 12 deficie...
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ژورنال
عنوان ژورنال: Pediatric Research
سال: 1970
ISSN: 0031-3998,1530-0447
DOI: 10.1203/00006450-197009000-00081