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American Journal of Clinical Nutrition, Vol 40, 26-35, Copyright © 1984 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Zinc, copper, manganese, and selenium metabolism in thyroid disease

K Aihara, Y Nishi, S Hatano, M Kihara, K Yoshimitsu, N Takeichi, T Ito, H Ezaki and T Usui

This study was designed to evaluate trace metal metabolism in adults with thyroid diseases. Erythrocyte zinc values were significantly lower than normal in hyperthyroidism and higher in hypothyroidism. A significantly higher than normal urinary excretion of zinc was observed in hyperthyroidism. The mean concentrations of plasma and erythrocyte copper were significantly above normal in hyperthyroidism. Plasma selenium levels were significantly lower than normal in hyperthyroidism. No statistically significant difference was found in plasma zinc, erythrocyte manganese, or urine copper values between patients with thyroid diseases and healthy controls. The erythrocyte manganese content correlated well with thyroxine and triiodothyronine levels. Plasma prealbumin and retinol-binding protein correlated well with the erythrocyte zinc content but not with plasma zinc levels. There was no correlation between erythrocyte superoxide dismutase activity and erythrocyte copper or zinc concentrations. The results of this study suggest that the metabolism of zinc, copper, manganese, and selenium is abnormal in thyroid diseases.


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 J Trop PediatrHome page
M. H. Dabbaghmanesh, A. Sadegholvaad, F. Zarei, and G. Omrani
Zinc Status and Relation to Thyroid Hormone Profile in Iranian Schoolchildren
J Trop Pediatr, February 1, 2008; 54(1): 58 - 61.
[Abstract] [Full Text] [PDF]


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Copyright © 1984 by The American Society for Nutrition