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American Journal of Clinical Nutrition, Vol 33, 968-971, Copyright © 1980 by The American Society for Clinical Nutrition, Inc
ORIGINAL RESEARCH COMMUNICATIONS |
CL Natta, LJ Machlin and M Brin
Patients with sickle cell anemia were given 450 IU of vitamin E (as alpha-tocopherol) per day for 6 to 35 weeks. Plasma tocopherol levels increased from 0.7 +/- 0.2 mg/g lipid pretreatment, to 2.3 +/- 0.3 mg/g lipid. The percentage of circulating irreversibly sickled red cells decreased from 25 +/- 3% pretreatment to 11 +/- 1% after vitamin E administration (P less than 0.001). The percentage of irreversibly sickled red cells remained below pretreatment levels as long as the vitamin was administered (up to 35 weeks). The biochemical and clinical implications of these observations are discussed.
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