Seasonal Changes in Spermatogenesis and Immunolocalization of Inhibin/Activin Subunits in the Wild Male Ground Squirrel (Citellus dauricus Brandt)

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概要

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• The objective of this study was to investigate the seasonal changes in spermatogenesis and the immunolocalization of the inhibin α and inhibin/activin (β A and βB) subunits during the breeding and non-breeding seasons in the wild male ground squirrel. The testicular weight and size and seminiferous tubule diameter were measured, and histological observations of testes were performed. The sections of the testes were immunostained by the avidin-biotin-peroxidase complex method (ABC) using polyclonal antisera raised against porcine inhibin α, inhibin/activin βA and inhibin/activin βB during the breeding and non-breeding seasons. There were marked variations in testicular weight and size and seminiferous tubule diameter between the breeding and non-breeding seasons, and all types of spermatogenic cells, including spermatozoa, were found in the breeding season. In addition, immunoreactivity was also detected for the inhibin α, β A and βB subunits in Sertoli and Leydig cells during the breeding season, but immunostaining was only present for the inhibin α and inhibin/activin βB subunits in Sertoli cells during the non-breeding season. These results suggest that seasonal changes in testicular weight and size and seminiferous tubule diameter of wild ground squirrels are correlated with changes in spermatogenesis, and the cellular localization of the inhibin/activin subunits showed season related changes in the breeding and non-breeding seasons.

• 日本繁殖生物学会の論文
• 2008-12-01

著者

• WATANABE Gen

  Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Toky

• TAYA Kazuyoshi

  Laboratory of Veterinary Physiology, Department of Veterinary Medicine, Faculty of Agriculture, Toky

• Watanabe Gen

  Lab. Of Veterinary Physiology Dep. Of Veterinary Medicine Fac. Of Agriculture Tokyo Univ. Of Agricul

• Watanabe Gen

  岐阜大学 連合獣医学研究科基礎獣医学

• Taya K

  Tokyo Univ. Agriculture And Technol. Tokyo

• Watanabe G

  Laboratory Of Veterinary Physiology Department Of Veterinary Medicine Faculty Of Agriculture Tokyo U

• Taya K

  Laboratory Of Veterinary Physiology Department Of Veterinary Medicine Faculty Of Agriculture Tokyo U

• Taya K

  Dep. Of Basic Veterinary Sci. The United Graduate School Of Veterinary Sciences Gifu Univ.

• ZHANG Haolin

  College of Biological Science and Technology, Beijing Forestry University

• SHENG Xia

  College of Biological Science and Technology, Beijing Forestry University

• ZHANG Mengyuan

  College of Biological Science and Technology, Beijing Forestry University

• LI Ben

  College of Biological Science and Technology, Beijing Forestry University

• WENG Qiang

  College of Biological Science and Technology, Beijing Forestry University

• Zhang Mengyuan

  College Of Biological Science And Technology Beijing Forestry University

• Taya Kazuyoshi

  Laboratory Of Veterinary Physiology Department Of Veterinary Medicine Faculty Of Agriculture Tokyo U

• Taya Kazuyoshi

  中華人民共和国

• Sheng Xia

  College Of Biological Science And Technology Beijing Forestry University

• Weng Qiang

  College Of Biological Science And Technology Beijing Forestry University

• Zhang Haolin

  College Of Biological Science And Technology Beijing Forestry University

• Watanabe Gen

  Laboratory Of Veterinary Physiology Department Of Veterinary Medicine Faculty Of Agriculture Tokyo U

• Li Ben

  College Of Biological Science And Technology Beijing Forestry University

• ZHANG Wei

  College of Biological Science and Technology, Beijing Forestry University

• SONG Moshi

  College of Biological Science and Technology, Beijing Forestry University

• Taya Kazuyoshi

  東京農工大学 農学部獣医学科獣医生理学

• Song Moshi

  College Of Biological Science And Technology Beijing Forestry University

• Takano Kaoru

  Laboratory Of Experimental Animal Models Division Of Bioresources National Institute Of Biomedical I

• Tago Kazumi

  Hatano Research Institute Food And Drug Safety Center

• Weng Qiang

  Laboratory Of Veterinary Physiology Department Of Veterinary Medicine Faculty Of Agriculture Tokyo U

• Zhang Wei

  College Of Biological Science And Technology Beijing Forestry University

• Watanabe Gen

  Laboratories Of Veterinary Physiology Dep. Of Veterinary Medicine Fac. Of Agriculture Tokyo Univ. Of

• ZHANG Wei

  College of Aerospace and Materials Engineering, National University of Defense Technology

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