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Article: Effect of mammalian luteinizing hormone on the natural sex reversal of the rice-field eel, Monopterus albus (Zuiew)

TitleEffect of mammalian luteinizing hormone on the natural sex reversal of the rice-field eel, Monopterus albus (Zuiew)
Authors
Issue Date1974
PublisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ygcen
Citation
General and Comparative Endocrinology, 1974, v. 24 n. 3, p. 242-248 How to Cite?
AbstractThe effect of mammalian luteinizing hormone on sex reversal of the rice-field eel, Monopterus albus (Zuiew) has been investigated by the administration of NIH-LH-S14 into female animals, the sexual status of which was first determined by biopsy of the gonad. Treatment of the female fish with mammalian-LH at a dosage of 3 μg/g-fish/injection, thrice weekly, or 1.5 μg/g-fish/injection daily, for a period of 7.58 wk produced the same effect on the ovary. In all treated fish there was great stimulation of the development of interstitial cells, which showed very intense reactions for 3β-hydroxysteroid dehydrogenase. About 70% of the fish developed testicular lobules showing active spermatogenesis. In some fish, the only sign that showed that the gonad was an ovary at the time of biopsy were a few primary follicles. These results indicate that mammalian-LH is effective in stimulating in Monopterus, firstly, the development of static male germ-cells in the ovary to form testicular lobules with active spermatogenesis and, secondly, the proliferation of interstitial Leydig cells in the gonadal lamellae. Thus the pituitary of Monopterus may play an important role in the onset of natural sex reversal. © 1974.
Persistent Identifierhttp://hdl.handle.net/10722/208160
ISSN
2015 Impact Factor: 2.667
2015 SCImago Journal Rankings: 1.245

 

DC FieldValueLanguage
dc.contributor.authorTang, F-
dc.contributor.authorChan, STH-
dc.contributor.authorLofts, B-
dc.date.accessioned2015-02-16T06:38:53Z-
dc.date.available2015-02-16T06:38:53Z-
dc.date.issued1974-
dc.identifier.citationGeneral and Comparative Endocrinology, 1974, v. 24 n. 3, p. 242-248-
dc.identifier.issn0016-6480-
dc.identifier.urihttp://hdl.handle.net/10722/208160-
dc.description.abstractThe effect of mammalian luteinizing hormone on sex reversal of the rice-field eel, Monopterus albus (Zuiew) has been investigated by the administration of NIH-LH-S14 into female animals, the sexual status of which was first determined by biopsy of the gonad. Treatment of the female fish with mammalian-LH at a dosage of 3 μg/g-fish/injection, thrice weekly, or 1.5 μg/g-fish/injection daily, for a period of 7.58 wk produced the same effect on the ovary. In all treated fish there was great stimulation of the development of interstitial cells, which showed very intense reactions for 3β-hydroxysteroid dehydrogenase. About 70% of the fish developed testicular lobules showing active spermatogenesis. In some fish, the only sign that showed that the gonad was an ovary at the time of biopsy were a few primary follicles. These results indicate that mammalian-LH is effective in stimulating in Monopterus, firstly, the development of static male germ-cells in the ovary to form testicular lobules with active spermatogenesis and, secondly, the proliferation of interstitial Leydig cells in the gonadal lamellae. Thus the pituitary of Monopterus may play an important role in the onset of natural sex reversal. © 1974.-
dc.languageeng-
dc.publisherAcademic Press. The Journal's web site is located at http://www.elsevier.com/locate/ygcen-
dc.relation.ispartofGeneral and Comparative Endocrinology-
dc.titleEffect of mammalian luteinizing hormone on the natural sex reversal of the rice-field eel, Monopterus albus (Zuiew)en_US
dc.typeArticleen_US
dc.identifier.emailTang, F: ftang@hku.hk-
dc.identifier.doi10.1016/0016-6480(74)90178-6-
dc.identifier.pmid4473397-
dc.identifier.scopuseid_2-s2.0-0016265751-
dc.identifier.hkuros700002008-
dc.identifier.volume24-
dc.identifier.issue3-
dc.identifier.spage242-
dc.identifier.epage248-
dc.publisher.placeUnited States-

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