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DOI: 10.1055/s-0029-1212141
© J. A. Barth Verlag in Georg Thieme Verlag KG Stuttgart · New York
Plasma leptin levels do not change in healthy humans shortly after a hydrocortisone challenge
Publication History
Publication Date:
14 July 2009 (online)
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Summary
The acute response of plasma leptin levels to a hydrocortisone challenge was measured in 16 healthy volunteers. We additionally asessed insulin which is known to play a regulatory role in the leptin system. While plasma Cortisol levels increased significantly after the administration of hydrocortisone, this rise was not associated with any change in leptin and insulin concentrations during the 3.5-hour experimental period. This result corroborates the assumption that glucocorticoid-induced increases in leptin levels, as described in the literature, occur delayed and are due rather to an activation of leptin synthesis than to a mere leptin release.
Key words
Leptin - insulin - Cortisol - stress situation - controlled trial