Secretion of Inhibin in Male Japanese Quail (Coturnix japonica) from One Week of Age to Sexual Maturity

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著者

    • Weng Qiang WENG Qiang
    • Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
    • KANDIEL Mohamed M. M.
    • Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology
    • TAKAHASHI Sinji
    • Ecological Effect Research Team, Dioxin and Environmental Endocrine Disrupter Research Project, National Institute for Environmental Studies
    • SUZUKI Akira K
    • Environmental Nanotoxicology Section, Research Center for Environmental Risk, National Institute for Environmental Studies
    • TANEDA Shinji
    • Environmental Nanotoxicology Section, Research Center for Environmental Risk, National Institute for Environmental Studies
    • TAYA Kazuyoshi
    • Department of Basic Veterinary Science, The United Graduate School of Veterinary Sciences, Gifu University

抄録

The objective of this study was to investigate the changes in secretion of inhibin and cellular localization of the inhibin α and inhibin/activin (β<sub>A</sub> and β<sub>B</sub>) subunits in male Japanese quail from 1 to 7 weeks after hatching. The post-hatch profile of plasma luteinizing hormone (LH), immunoreactive (ir) inhibin and testosterone were measured by radioimmunoassay. Testes were immunostained by the avidin-biotin-peroxidase complex method (ABC) using polyclonal antisera raised against inhibin α, inhibin/activin β<sub>A</sub> and inhibin/activin β<sub>B</sub> from one week of age to sexual maturity. Testicular weight increased gradually until 4 weeks and abruptly increased from 5 weeks of age onwards. The plasma concentrations of LH and ir-inhibin increased significantly at 5 weeks of age, and the plasma concentration of testosterone increased significantly at 6 weeks of age. Pituitary contents of LH showed a steady increase until 6 weeks of age and then abruptly increased at 7 weeks of age. Coincident to the increase in plasma testosterone, the testicular contents of testosterone significantly increased from 5 weeks through sexual maturity. Immunohistochemically, localization of the inhibin/activin α, β<sub>A</sub> and β<sub>B</sub> subunts was found in the Sertoli and Leydig cells at all ages of development from one week of age to sexual maturity. These results suggest that Sertoli and Leydig cells are the major source of inhibin secretion during development in male Japanese quail.<br>

収録刊行物

  • The Journal of reproduction and development  

    The Journal of reproduction and development 54(2), 100-106, 2008-04-01 

    THE SOCIETY FOR REPRODUCTION AND DEVELOPMENT

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各種コード

  • NII論文ID(NAID)
    10021218778
  • NII書誌ID(NCID)
    AA10936678
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    09168818
  • NDL 記事登録ID
    9470093
  • NDL 雑誌分類
    ZR22(科学技術--農林水産--畜産)
  • NDL 請求記号
    Z54-H305
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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