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American Journal of Clinical Nutrition, Vol 48, 641-644, Copyright © 1988 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Iron deficiency: effect on plasma luteinizing hormone and testosterone levels in the adult male rat

T Intragumtornchai, RA Steiner and CA Finch
Department of Medicine, University of Washington, Seattle.

We studied four groups of animals, all of which received an iron- deficient diet for 6 wk followed by a 4-wk recovery period during which all groups received Fe supplements. Group 1 (n = 12) and group 2 (n = 10) were intact male rats; group 1 received a dietary Fe supplement whereas group 2 received no Fe supplement. Group 3 (n = 12) and group 4 (n = 12) were castrated male rats; group 3 received a dietary Fe supplement whereas group 4 received no supplement. Analysis of circulating hormone values revealed that after 6 wk of dietary treatment, neither LH nor testosterone levels were affected by the Fe- deficient diet in either the castrated or intact groups. These observations suggest that neither testosterone secretion per se nor its feedback control by LH is affected by short-term Fe deficiency.




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Copyright © 1988 by The American Society for Nutrition