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Comp Biochem Physiol A Mol Integr Physiol. 2009 Jul;153(3):242-51. doi: 10.1016/j.cbpa.2009.02.027. Epub 2009 Feb 27.

Corticosteroids: Friends or foes of teleost fish reproduction?

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  • 1University of Namur (FUNDP), Unit of Research in Organismal Biology, Rue de Bruxelles 61, B-5000, Namur, Belgium. Sylvain.Milla@fundp.ac.be

Abstract

Reproduction in vertebrates is controlled by the Hypothalamus-Pituitary-Gonad axis and the main hormone actions have been extensively described. Still, despite the scattered information in fish, accumulating evidence strongly indicates that corticosteroids play essential roles in reproductive mechanisms. An integrative approach is important for understanding these implications. Animal husbandry and physiological studies at molecular to organismal levels have revealed that these corticosteroids are regulators of fish reproductive processes. But their involvements appear strongly contrasted. Indeed, for both sexes, corticosteroids present either deleterious or positive effects on fish reproduction. In this review, the authors will attempt to gather and clarify the available information about these physiological involvements. The authors will also suggest future ways to prospect corticosteroid roles in fish reproduction.

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