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  • Title: Zinc deficiency and effects of zinc supplementation on sickle cell anemia subjects.
    Author: Prasad AS.
    Journal: Prog Clin Biol Res; 1981; 55():99-122. PubMed ID: 7291206.
    Abstract:
    In this paper clinical similarities between sickle cell anemia patients and zinc deficient subjects, the latter as reported from the Middle East have been presented. Zinc levels in plasma, red cells, hair and neutrophils were decreased in our adult patients with SCA. The activities of certain zinc dependent enzymes such as plasma RNase, red cell carbonic anhydrase, leucocyte alkaline phosphatase, and deoxythymidine kinase activity in freshly synthesized collagen connective tissue were consistent with the concept that indeed zinc deficiency occurred in SCA patients. Zinc supplementation under controlled conditions showed that the SCA patients gained weight, their serum testosterone level increased and plasma ammonia level decreased. Finally, we also observed abnormal dark adaptation in some SCA patients which improved following zinc supplementation. Inasmuch as we have previously reported that the number of irreversible sickle cells decrease following zinc supplementation, we would like to suggest that zinc supplementation at earlier age may be benefical in preventing organ damage. In conclusion, zinc supplementation should be prescribed for patients with SCA, particularly if they show evidences for zinc deficiency.
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