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Poster

Expression of a GPR54-like but no agonistic effect of mammalian kisspeptins in trout

Abstract : Kisspeptins and their G protein-coupled receptor, play a fundamental role in the control of reproductive function in mammals. Here we show that the anterior brain and testis of the trout express a GPR54-like transcript. Trout at 3 stages of maturation were submitted to in vivo treatment with large amounts or repeated injections of mouse or human C terminal decapeptides (KISS(10)). Mammalian KISS(10) did not increase LH or testosterone hormone concentrations in the trout blood and were not able to stimulate ovulation or spermiation. Results even evoked a potential antagonistic effect of these peptides.
Mots-clés : ovulation trout
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https://hal.inrae.fr/hal-02756309
Déposant : Migration Prodinra <>
Soumis le : mercredi 3 juin 2020 - 22:49:47
Dernière modification le : vendredi 12 juin 2020 - 10:43:26

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  • HAL Id : hal-02756309, version 1
  • PRODINRA : 30395
  • WOS : 000267276400012

Citation

Anne-Sophie Goupil, Jean-Jacques Lareyre, Pierre-Yves Le Bail, Olivier Kah, Alain Caraty, et al.. Expression of a GPR54-like but no agonistic effect of mammalian kisspeptins in trout. 8. International Symposium on Reproductive Physiology of Fish, Jun 2007, Saint-Malo, France. MNHN Museum National d'Histoire Naturelle, Cybium, 32 (S2), 2008, Comptes rendus / Proceedings "8th International Symposium on Reproductive Physiology of Fish (ISRPF)". ⟨hal-02756309⟩

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