In vitro steroid metabolism during final oocyte maturation in white croaker Micropogonias furnieri (Sciaenidae)

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 17,20 beta -dihydroxy-4-pregnen-3-one (17,20 beta P), 17,21-dihydroxy-4-pregnene-3,20-dione (17,21P) and 17,...

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Published inFish physiology and biochemistry Vol. 28; no. 1-4; pp. 337 - 338
Main Authors García-Alonso, J., Nappa, A., Somoza, G.M., Rey, A., Vizziano, D.
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Nature B.V 01.01.2003
Subjects
Marine
Micropogonias furnieri
Sciaenidae
Steroids
White people
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Summary: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 17,20 beta -dihydroxy-4-pregnen-3-one (17,20 beta P), 17,21-dihydroxy-4-pregnene-3,20-dione (17,21P) and 17,20 beta ,21-trihydroxy-4-pregnen-3-one (20 beta -S) were synthesised. The specific synthesis of 20 beta S in Mtg oocytes suggests a MIS role for this steroid.
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ISSN:0920-1742
1573-5168
DOI:10.1023/B:FISH.0000030577.79235.2e