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Article: A comparison of (125I)iodomelatonin binding sites in testes and brains of heavy meat-type Japanese quail with a randombred strain

TitleA comparison of (125I)iodomelatonin binding sites in testes and brains of heavy meat-type Japanese quail with a randombred strain
Authors
Issue Date1994
PublisherOxford University Press. The Journal's web site is located at http://jhered.oxfordjournals.org/
Citation
Journal of Heredity, 1994, v. 85 n. 2, p. 136-139 How to Cite?
AbstractTestes and brain tissue of Japanese quail (Coturnix japonica) from a heavy strain and a randombred strain were assayed for density of [125I]iodomelatonin binding sites (Bmax) and their binding affinity (Kd). The fact that iodomelatonin and melatonin have similar biological action suggests that the [125I]iodomelatonin binding sites are putative melatonin receptors. The heavy strain has lower fertility, higher early embryonic mortality, and lower hatchability than the randombred strain. Although the testes of the heavy males were significantly heavier than those of the randombred males, their testes had significantly fewer melatonin binding sites per milligram of protein as well as relative to total testis protein. There was no difference in the Kd of these binding sites between the two strains. Bmax and Kd of brain tissue of the two strains were not different. Our results suggest a direct relationship between the pineal and the gonads. Selection for fast growth rate may significantly affect the direct regulatory role of melatonin on gonadal function via changes in the sensitivity of the reproductive organ (downregulation) to the action of melatonin.
Persistent Identifierhttp://hdl.handle.net/10722/225161
ISSN
2023 Impact Factor: 3.0
2023 SCImago Journal Rankings: 1.157

 

DC FieldValueLanguage
dc.contributor.authorCheng, KM-
dc.contributor.authorPang, CS-
dc.contributor.authorWang, ZP-
dc.contributor.authorYuan, H-
dc.contributor.authorNichols, CR-
dc.contributor.authorBrown, GM-
dc.contributor.authorPang, SF-
dc.date.accessioned2016-04-26T03:18:05Z-
dc.date.available2016-04-26T03:18:05Z-
dc.date.issued1994-
dc.identifier.citationJournal of Heredity, 1994, v. 85 n. 2, p. 136-139-
dc.identifier.issn0022-1503-
dc.identifier.urihttp://hdl.handle.net/10722/225161-
dc.description.abstractTestes and brain tissue of Japanese quail (Coturnix japonica) from a heavy strain and a randombred strain were assayed for density of [125I]iodomelatonin binding sites (Bmax) and their binding affinity (Kd). The fact that iodomelatonin and melatonin have similar biological action suggests that the [125I]iodomelatonin binding sites are putative melatonin receptors. The heavy strain has lower fertility, higher early embryonic mortality, and lower hatchability than the randombred strain. Although the testes of the heavy males were significantly heavier than those of the randombred males, their testes had significantly fewer melatonin binding sites per milligram of protein as well as relative to total testis protein. There was no difference in the Kd of these binding sites between the two strains. Bmax and Kd of brain tissue of the two strains were not different. Our results suggest a direct relationship between the pineal and the gonads. Selection for fast growth rate may significantly affect the direct regulatory role of melatonin on gonadal function via changes in the sensitivity of the reproductive organ (downregulation) to the action of melatonin.-
dc.languageeng-
dc.publisherOxford University Press. The Journal's web site is located at http://jhered.oxfordjournals.org/-
dc.relation.ispartofJournal of Heredity-
dc.rightsPre-print: Journal Title] ©: [year] [owner as specified on the article] Published by Oxford University Press [on behalf of xxxxxx]. All rights reserved. Pre-print (Once an article is published, preprint notice should be amended to): This is an electronic version of an article published in [include the complete citation information for the final version of the Article as published in the print edition of the Journal.] Post-print: This is a pre-copy-editing, author-produced PDF of an article accepted for publication in [insert journal title] following peer review. The definitive publisher-authenticated version [insert complete citation information here] is available online at: xxxxxxx [insert URL that the author will receive upon publication here]. -
dc.subject.meshBrain - metabolism-
dc.subject.meshMelatonin - metabolism-
dc.subject.meshReceptors, Cell Surface - metabolism-
dc.subject.meshReceptors, Melatonin-
dc.subject.meshTestis - metabolism-
dc.titleA comparison of (125I)iodomelatonin binding sites in testes and brains of heavy meat-type Japanese quail with a randombred strain-
dc.typeArticle-
dc.identifier.emailPang, SF: hrmypsf@hkucc.hku.hk-
dc.identifier.pmid8182279-
dc.identifier.hkuros2907-
dc.identifier.volume85-
dc.identifier.issue2-
dc.identifier.spage136-
dc.identifier.epage139-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0022-1503-

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