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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 : 000823 ( Istex/Corpus ); précédent : 000822; suivant : 000824

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 ; L. V. Bayunova ; T. B. Semenkova

Source :

RBID : ISTEX:619632AE7C58D96172B667D6985D8644D2F33664

English descriptors

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.

Url:
DOI: 10.1111/j.0022-1112.2004.00395.x

Links to Exploration step

ISTEX:619632AE7C58D96172B667D6985D8644D2F33664

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<namePart type="given">T. B.</namePart>
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<affiliation>Central Laboratory of Fish Reproduction, 24, prof. Popova, St‐Petersburg, 197 022, Russia</affiliation>
<affiliation>E-mail: epl@it4257.spb.edu</affiliation>
<role>
<roleTerm type="text">author</roleTerm>
</role>
</name>
<typeOfResource>text</typeOfResource>
<genre type="article" displayLabel="article"></genre>
<originInfo>
<publisher>Blackwell Science Ltd</publisher>
<place>
<placeTerm type="text">Oxford, UK; Malden, USA</placeTerm>
</place>
<dateIssued encoding="w3cdtf">2004-05</dateIssued>
<edition>(Received 14 November 2002, Accepted 17 February 2004)</edition>
<copyrightDate encoding="w3cdtf">2004</copyrightDate>
</originInfo>
<language>
<languageTerm type="code" authority="rfc3066">en</languageTerm>
<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
</language>
<physicalDescription>
<internetMediaType>text/html</internetMediaType>
<extent unit="tables">1</extent>
<extent unit="references">37</extent>
</physicalDescription>
<abstract 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.</abstract>
<subject lang="en">
<genre>keywords</genre>
<topic>final maturation</topic>
<topic>gametogenesis</topic>
<topic>11‐ketotestosterone</topic>
<topic>oestradiol‐17β</topic>
<topic>sturgeon</topic>
<topic>testosterone</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Journal of Fish Biology</title>
</titleInfo>
<genre type="journal">journal</genre>
<identifier type="ISSN">0022-1112</identifier>
<identifier type="eISSN">1095-8649</identifier>
<identifier type="DOI">10.1111/(ISSN)1095-8649</identifier>
<identifier type="PublisherID">JFB</identifier>
<part>
<date>2004</date>
<detail type="volume">
<caption>vol.</caption>
<number>64</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>5</number>
</detail>
<extent unit="pages">
<start>1330</start>
<end>1338</end>
<total>9</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">619632AE7C58D96172B667D6985D8644D2F33664</identifier>
<identifier type="DOI">10.1111/j.0022-1112.2004.00395.x</identifier>
<identifier type="ArticleID">JFB395</identifier>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Blackwell Science Ltd</recordOrigin>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>

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