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Article: In vivo effects of oLH and LHRH-analog on sex reversal and plasma sex steroid profiles in the female monopterus albus

TitleIn vivo effects of oLH and LHRH-analog on sex reversal and plasma sex steroid profiles in the female monopterus albus
Authors
Issue Date1993
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ygcen
Citation
General And Comparative Endocrinology, 1993, v. 90 n. 1, p. 23-30 How to Cite?
AbstractThe effects of ovine-luteinizing hormone (oLH) or a synthetic analog of luteinizing hormone-releasing hormone. Des-Gly 10(S-Ala 6)-LHRH ethylamide acetate salt-(LHRH-A), on the female phase of the protogynous Monopterus albus were investigated, and the plasma levels of androstenedione (Ad), testosterone (T), 11-oxotestosterone (KT), 11β-hydroxytestosterone (OHT), 17β-estradiol (E2) and progesterone were determined. In the post-spawning stage, oLH induced precocious sex reversal in the gonad from female to male and increased plasma levels of Ad, T, KT and OHT. However, such oLH effects in M. albus females were slight at the early prespawning stage, and no significant signs of precocious sex reversal were found either in gonadal structure or in plasma hormones as those in postspawning treatment. After LHRH-A treatment of M. albus females in both postspawning and early prespawning stages, the gonadal structure remained 'female type' with no sign of proliferation of either Leydig cells or male germ cells. The plasma levels of E2 were greatly increased after the treatment.
Persistent Identifierhttp://hdl.handle.net/10722/157259
ISSN
2015 Impact Factor: 2.667
2015 SCImago Journal Rankings: 1.245
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorYeung, WSBen_HK
dc.contributor.authorChen, Hen_HK
dc.contributor.authorChan, STHen_HK
dc.date.accessioned2012-08-08T08:48:29Z-
dc.date.available2012-08-08T08:48:29Z-
dc.date.issued1993en_HK
dc.identifier.citationGeneral And Comparative Endocrinology, 1993, v. 90 n. 1, p. 23-30en_HK
dc.identifier.issn0016-6480en_HK
dc.identifier.urihttp://hdl.handle.net/10722/157259-
dc.description.abstractThe effects of ovine-luteinizing hormone (oLH) or a synthetic analog of luteinizing hormone-releasing hormone. Des-Gly 10(S-Ala 6)-LHRH ethylamide acetate salt-(LHRH-A), on the female phase of the protogynous Monopterus albus were investigated, and the plasma levels of androstenedione (Ad), testosterone (T), 11-oxotestosterone (KT), 11β-hydroxytestosterone (OHT), 17β-estradiol (E2) and progesterone were determined. In the post-spawning stage, oLH induced precocious sex reversal in the gonad from female to male and increased plasma levels of Ad, T, KT and OHT. However, such oLH effects in M. albus females were slight at the early prespawning stage, and no significant signs of precocious sex reversal were found either in gonadal structure or in plasma hormones as those in postspawning treatment. After LHRH-A treatment of M. albus females in both postspawning and early prespawning stages, the gonadal structure remained 'female type' with no sign of proliferation of either Leydig cells or male germ cells. The plasma levels of E2 were greatly increased after the treatment.en_HK
dc.languageengen_US
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ygcenen_HK
dc.relation.ispartofGeneral and Comparative Endocrinologyen_HK
dc.subject.meshAnimalsen_US
dc.subject.meshFemaleen_US
dc.subject.meshFishes - Blooden_US
dc.subject.meshGonadal Steroid Hormones - Blooden_US
dc.subject.meshGonadotropin-Releasing Hormone - Analogs & Derivatives - Pharmacology - Physiologyen_US
dc.subject.meshGonadotropins - Physiologyen_US
dc.subject.meshHermaphroditic Organismsen_US
dc.subject.meshLuteinizing Hormone - Pharmacologyen_US
dc.subject.meshSex Determination Processesen_US
dc.subject.meshSheepen_US
dc.subject.meshSteroids - Blooden_US
dc.subject.meshTriptorelin Pamoate - Analogs & Derivativesen_US
dc.titleIn vivo effects of oLH and LHRH-analog on sex reversal and plasma sex steroid profiles in the female monopterus albusen_HK
dc.typeArticleen_HK
dc.identifier.emailYeung, WSB:wsbyeung@hkucc.hku.hken_HK
dc.identifier.emailChen, H:hlchen@hkucc.hku.hken_HK
dc.identifier.authorityYeung, WSB=rp00331en_HK
dc.identifier.authorityChen, H=rp00383en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1006/gcen.1993.1056en_HK
dc.identifier.pmid8504919-
dc.identifier.scopuseid_2-s2.0-0027419819en_HK
dc.identifier.volume90en_HK
dc.identifier.issue1en_HK
dc.identifier.spage23en_HK
dc.identifier.epage30en_HK
dc.identifier.isiWOS:A1993KW19800003-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYeung, WSB=7102370745en_HK
dc.identifier.scopusauthoridChen, H=26643315400en_HK
dc.identifier.scopusauthoridChan, STH=24368283200en_HK

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