Effect of C21 steroids on germinal vesicle break down in sturgeon follicles in vitro

Semenkova T., Bayunova L., Wuertz S., Kirschbaum F., Barannikova I.

Date de parution: juillet 2008
Volume: 32
Number: 2 suppl.
Pagination: 268-269
Editeur: Société Française d’Ichtyologie
doi: https://doi.org/10.26028/cybium/2008-322SP-137

Germinal vesicle break down (GVBD) was examined in ovarian follicles of sterlet A. ruthenus L. after in vitro incubation with progesterone (P4), 11-deoxycortisol (S), and 11-deoxycortisone (P21) at different concentrations (600, 800, 1000 1200 nM). After short-term exposure (1, 5 min), and incubation of ovarian follicles in steroid-free media, it was demonstrated that all tested steroids were potent in inducing GVBD, but P4 was significantly more effective than S and P21.

Mots-clés: C21 steroids - GVBD - MIS - Sturgeon
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