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  • Title: Biochemical and clinical effects of vitamin E administration in homozygous beta-thalassemia.
    Author: Giardini O, Cantani A, Donfrancesco A, Martino F, Mannarino O, D'Eufemia P, Miano C, Ruberto U, Lubrano R.
    Journal: Acta Vitaminol Enzymol; 1985; 7(1-2):55-60. PubMed ID: 4036760.
    Abstract:
    In beta-thalassemic homozygotes, low plasma levels of tocopherols may induce a red blood cell (RBC) lipid peroxidation and consequent hemolysis. This is an indication to treat these patients with vitamin E. In this study 26 beta-thalassemic homozygotes aged 2-14 years, were given vitamin E, 10 orally and 16 parenterally, 300 mg per day for 15 days. Prior to administration and blood transfusion, as compared to normal subjects of the same age, plasma and RBC tocopherols were significantly lower, whereas RBC malonyldialdehyde (MDA) was significantly increased. In both groups, after tocopherol administration, an increase in plasma and RBC tocopherols and a decrease in RBC MDA were found. The significance of these variations was greater in the parenterally treated group than in orally treated group. The treatment with vitamin E, appears to be effective to reduce the RBC oxidative damage in homozygous beta-thalassemia, principally when administered parenterally perhaps because of its poor intestinal absorption in these subjects.
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