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In vitro steroid metabolism during final oocyte maturation in white croaker Micropogonias furnieri (Sciaenidae) |
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| Authors: | J García-Alonso A Nappa GM Somoza A Rey D Vizziano |
| Institution: | 1. Oceanología, Facultad de Ciencias, Montevideo, Uruguay 2. Radioquímica, Facultad de Química, Uruguay 3. IIB-INTECH, Argentina |
| Abstract: | The main steroids produced by three stages ovarian fragments (post-vitellogenic PV, oocytes in GV migration phase Mtg and mature oocytes M) of white croaker were compared. In Mtg and M stages 17,20β-dihydroxy-4-pregnen-3-one (17,20βP), 17,21-dihydroxy-4-pregnene-3,20-dione (17,21P) and 17,20β,21-trihydroxy-4-pregnen-3-one (20β-S) were synthesised. The specific synthesis of 20βS in Mtg oocytes suggests a MIS role for this steroid. |
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