PMID: 8609591Aug 1, 1995Paper

Parallel nocturnal secretion of melatonin and testosterone in the plasma of normal men

Journal of Pineal Research
P SchulzR W Rivest

Abstract

Differences and similarities in the temporal organization of hormone secretion in plasma reflect the activity of CNS pacemakers. One aspect of this activity, the temporal synchronization of the secretion of different hormones is still poorly understood. We report the analysis of melatonin and testosterone plasma concentrations during two nights in 6 normal healthy young men. Blood was collected every 20 min between 2040 and 0640. Plasma testosterone concentrations increased by 1.5- to 2-fold during the second part of the night, and melatonin by 2.5- to 4-fold. In each subject, the individual temporal pattern of melatonin was quite stable over the two nights of sampling, while testosterone profiles showed fluctuations. There was a high degree of parallelism in these two hormones nocturnal secretion. These results, together with previous studies, suggest that melatonin might entrain the nocturnal secretion of testosterone.

References

Sep 1, 1978·The Journal of Clinical Endocrinology and Metabolism·G M VaughanJ W Sackman
Jan 17, 1975·Science·H J LynchM H Ho
Sep 1, 1989·The Journal of Clinical Endocrinology and Metabolism·I Trinchard-Lugan, F Waldhauser
Jun 1, 1988·Archives of Sexual Behavior·R C RosenA W Jekelis
Apr 1, 1989·The Journal of Clinical Endocrinology and Metabolism·R W RivestP C Sizonenko
Apr 1, 1986·Clinical Endocrinology·J WrightJ Arendt
Jan 1, 1985·Annals of the New York Academy of Sciences·F Waldhauser, M Dietzel
Sep 1, 1972·Steroids·D A BoonW R Slaunwhite
Jan 1, 1974·The Journal of Clinical Endocrinology and Metabolism·H L JuddS S Yen
Apr 1, 1984·Neuroendocrinology·U LangP C Sizonenko
Apr 1, 1993·Clinical Endocrinology·N A BridgesC G Brook

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