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Serum levels of testosterone, 11-ketotestosterone and oestradiol-17β in three species of sturgeon during gonadal development and final maturation induced by hormonal treatment

Identifieur interne : 001172 ( Main/Merge ); précédent : 001171; suivant : 001173

Serum levels of testosterone, 11-ketotestosterone and oestradiol-17β in three species of sturgeon during gonadal development and final maturation induced by hormonal treatment

Auteurs : I. A. Barannikova [Russie] ; L. V. Bayunova [Russie] ; T. B. Semenkova [Russie]

Source :

Journal of fish biology [ 0022-1112 ] ; 2004.

RBID : Pascal:04-0265049

Descripteurs français

Pascal (Inist)
- Sérum, Testostérone, Estradiol, Développement, Pisces, Biologie.
Wicri :
- topic : Biologie.

English descriptors

KwdEn :
- Biology, Development, Estradiol, Pisces, Serum, Testosterone.

Abstract

Changes in serum concentrations of two androgens, testosterone (T) and 11-ketotestosterone (11KT), and oestradiol-17β (E2) in male and female giant sturgeon Huso huso, Russian sturgeon Acipenser gueldenstaedtii and stellate sturgeon Acipenser stellatus were studied at different stages of gonadal maturity and after final maturation induced by hormonal treatment. Both male and female fish displayed a distinct increase in serum steroid concentrations during gonadal development. 11KT levels were significantly higher in males than females, with a positive correlation detected between 11KT and T concentrations. In maturing males and females, higher values of both 11KT and T were observed in stellate sturgeon compared to giant and Russian sturgeons. Vitellogenesis and high E2 levels were correlated in maturing sturgeon females.

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Pascal:04-0265049

Le document en format XML

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<author><name sortKey="Semenkova, T B" sort="Semenkova, T B" uniqKey="Semenkova T" first="T. B." last="Semenkova">T. B. Semenkova</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Central Laboratory of Fish Reproduction, 24, prof. Popova</s1>
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<front><div type="abstract" xml:lang="en">Changes in serum concentrations of two androgens, testosterone (T) and 11-ketotestosterone (11KT), and oestradiol-17β (E2) in male and female giant sturgeon Huso huso, Russian sturgeon Acipenser gueldenstaedtii and stellate sturgeon Acipenser stellatus were studied at different stages of gonadal maturity and after final maturation induced by hormonal treatment. Both male and female fish displayed a distinct increase in serum steroid concentrations during gonadal development. 11KT levels were significantly higher in males than females, with a positive correlation detected between 11KT and T concentrations. In maturing males and females, higher values of both 11KT and T were observed in stellate sturgeon compared to giant and Russian sturgeons. Vitellogenesis and high E2 levels were correlated in maturing sturgeon females.</div>
</front>
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<name sortKey="Bayunova, L V" sort="Bayunova, L V" uniqKey="Bayunova L" first="L. V." last="Bayunova">L. V. Bayunova</name>
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Serum levels of testosterone, 11-ketotestosterone and oestradiol-17β in three species of sturgeon during gonadal development and final maturation induced by hormonal treatment

Serum levels of testosterone, 11-ketotestosterone and oestradiol-17β in three species of sturgeon during gonadal development and final maturation induced by hormonal treatment

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri