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The mechanism of spermatogenesis induced by apoptosis of germ cells

Research Project

Project/Area Number 18791116
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Urology
Research InstitutionKanazawa University

Principal Investigator

NAGAOSA Kaz  Kanazawa University, 薬学系, 助教 (70401891)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,710,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2006: ¥2,100,000 (Direct Cost: ¥2,100,000)
Keywords発生・分化 / 細胞・組織 / 生体成分 / 遺伝子 / 精子形成 / 精細管内微量注入法 / アポトーシス / 動物実験 / 細胞貧食 / 細胞貪食 / 精細管微量注入法
Research Abstract

セルトリ細胞によるアポトーシス精子形成細胞の貪食を阻害により精子数が減少することから、「貪食依存に発現誘導される精子形成促進因子」が存在するとの仮説を立て、この検証を試みた。その結果、アポトーシス細胞を貪食したセルトリ細胞で発現量が顕著に増加する遺伝子Aが見出された。現在、AもしくはAが発現や機能を制御する分子が精子形成を促進させるか否かを検証中である。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report

Research Products

(11 results)

All 2009 2008 2007 2006 Other

All Journal Article (6 results) (of which Peer Reviewed: 5 results) Presentation (5 results)

  • [Journal Article] Immune response to bacteria in seminiferous epithelium2009

    • Author(s)
      Nagaosa, K., Nakashima, C., Kishimoto, A., and Nakanishi, Y.
    • Journal Title

      Reproduction 137

      Pages: 879-888

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Immune response to bacteria in seminiferous epithelium2009

    • Author(s)
      Nagaosa K
    • Journal Title

      Reproduction 137

      Pages: 879-888

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Activator Protein 1-Mediated Expression of Monocyte Chemoattractant Protein 1 in Cultured Rat Luteal Cells2008

    • Author(s)
      Nagaosa, K., Aikoshi, I., Hasegawa, Y., and Nakanishi, Y.
    • Journal Title

      Molecular Reproduction and Development 75

      Pages: 1077-1084

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Perturbation of spermatogenesis by androgen antagonists directly injected into seminiferous tubules of live mice2007

    • Author(s)
      Nagaosa, K., Kishimoto, A., Kizu, R., Nakagawa, A., Shiratsuchi, A., and Nakanishi, Y.
    • Journal Title

      Reproduction 133

      Pages: 21-27

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Perturbation of spermatogenesis by androgen antagonists directly injected into seminiferous tubules of live mice.2007

    • Author(s)
      Nagaosa, K
    • Journal Title

      Reproduction 133・1

      Pages: 21-27

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Activator protein 1-mediated expression of monocyte chemoattractant protein 1 in cultured rat luteal cells

    • Author(s)
      Nagaosa K
    • Journal Title

      Molecular Reproduction and Development (印刷中)(掲載確定)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 精細管内への細菌侵入時におけるケモカイン発現誘導と好中球浸潤2008

    • Author(s)
      永長 一茂
    • Organizer
      日本生化学会北陸支部第26回大会
    • Place of Presentation
      金沢
    • Year and Date
      2008-05-31
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 精細管内の細菌に対する免疫応答の解析2007

    • Author(s)
      永長 一茂
    • Organizer
      第30回日本分子生物学会・第80回日本生化学会大会合同大会
    • Place of Presentation
      横浜
    • Year and Date
      2007-12-14
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 黄体退行の機構 : AP-1によるラット黄体細胞でのMCP-1発現の誘導2007

    • Author(s)
      永長 一茂
    • Organizer
      日本生化学会北陸支部第25回大会
    • Place of Presentation
      金沢
    • Year and Date
      2007-05-26
    • Related Report
      2008 Final Research Report
  • [Presentation] 黄体退行の機構:AP-1によるラット黄体細胞でのMCP-1発現の誘導2007

    • Author(s)
      永長 一茂
    • Organizer
      日本生化学会北陸支部第25回大会
    • Place of Presentation
      金沢
    • Year and Date
      2007-05-26
    • Related Report
      2007 Annual Research Report
  • [Presentation] 精細管内への微量注入法を用いた化学物質の精巣毒性評価法の開発2006

    • Author(s)
      永長 一茂
    • Organizer
      第25回日本アンドロロジー学会学術大会
    • Place of Presentation
      山中温泉
    • Year and Date
      2006-07-16
    • Related Report
      2008 Final Research Report

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Published: 2006-03-31   Modified: 2016-04-21  

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