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Structural molecular basis of regulatory mechanism of male sexual behavior promoted by sexual experience

Research Project

Project/Area Number 16K18574
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Morphology/Structure
Research InstitutionSaitama University

Principal Investigator

MAEJIMA Sho  埼玉大学, 理工学研究科, 研究支援者 (10773286)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords雄性行動 / 性経験 / 内側視索前核 / 神経科学 / 行動神経内分泌 / 性行動 / 細胞・組織 / シグナル伝達
Outline of Final Research Achievements

VGF, a neuropeptide expressing in the central part of the medial preoptic nucleus (MPNc: a regulatory center of male sexual behavior of rats), was identified as a candidate molecule whose expression changes after sexual experience by DNA microarray analysis. Histological analysis revealed that a part of MPNc neurons which activity is increased by sexual experience express VGF. An adeno-associated virus vector knocking down the expression of VGF was generated and behavioral analysis of male rat which administered virus vector into the MPNc revealed that VGF is involved in enhancement of sexual behavior after experience.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (7 results)

All 2017 2016

All Presentation (7 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Presentation] 性経験は内側視索前核中心部のvgf nerve growth factor inducible(VGF)ニューロンの活性化を介して雄ラットの性的動機づけを亢進する2017

    • Author(s)
      前嶋 翔、内山 慶、森下雅大、近藤保彦、塚原伸治
    • Organizer
      第94回日本生理学会大会
    • Place of Presentation
      浜松アクトシティコングレスセンター(静岡県浜松市)
    • Year and Date
      2017-03-28
    • Related Report
      2016 Research-status Report
  • [Presentation] 性経験が促進させる雄性行動の神経制御機構へのVgf nerve growth factor inducible(VGF)の関与2017

    • Author(s)
      前嶋 翔、内山 慶、森下雅大、近藤保彦、塚原伸治
    • Organizer
      日本動物学会第88回富山大会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 雄ラットの内側視索前核中心部に発現するVGFは交尾経験による性的動機づけの亢進に関与する2017

    • Author(s)
      前嶋 翔、内山 慶、森下雅大、近藤保彦、塚原伸治
    • Organizer
      第44回日本神経内分泌学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 交尾経験が促進させる雄性行動の神経制御機構における神経ペプチドの関与2016

    • Author(s)
      前嶋 翔、内山 慶、森下雅大、山口祥平、近藤保彦、塚原伸治
    • Organizer
      第41回日本比較内分泌学会大会
    • Place of Presentation
      北里大学相模原キャンパス(神奈川県相模原市)
    • Year and Date
      2016-12-09
    • Related Report
      2016 Research-status Report
    • Invited
  • [Presentation] Involvement of neurons expressing corticotropin-releasing hormone (CRH) and vgf nerve growth factor inducible (VGF) in the central part of the medial preoptic nucleus on male sexual behavior in rats2016

    • Author(s)
      前嶋 翔、山口祥平、内山 慶、森下雅大、塚原伸治
    • Organizer
      Neuroscience 2016 Annual Meeting
    • Place of Presentation
      San Diego Convention Center(アメリカ合衆国カリフォルニア州)
    • Year and Date
      2016-11-12
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Presentation] 交尾経験によって促進する雄性行動の神経制御におけるVgf nerve growth factor inducible (VGF) ニューロンの役割2016

    • Author(s)
      前嶋 翔、内山 慶、森下雅大、近藤保彦、塚原伸治
    • Organizer
      第25回日本行動神経内分泌研究会
    • Place of Presentation
      ホテル・サンミ倶楽部(静岡県熱海市)
    • Year and Date
      2016-09-13
    • Related Report
      2016 Research-status Report
  • [Presentation] Involvement of neurons expressing corticotropin-releasing hormone (CRH) and vgf nerve growth factor inducible (VGF) in the central part of the medial preoptic nucleus on male sexual behavior in rats2016

    • Author(s)
      前嶋 翔、山口祥平、内山 慶、森下雅大、塚原伸治
    • Organizer
      第39回日本神経科学大会
    • Place of Presentation
      パシフィコ横浜(神奈川県横浜市)
    • Year and Date
      2016-07-20
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2019-03-29  

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