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Role of aPKC molecules in spermatogonial stem cell homing

Research Project

Project/Area Number 24590481
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Experimental pathology
Research InstitutionShinshu University (2014)
Kyoto University (2012-2013)

Principal Investigator

TAKASHIMA Seiji  信州大学, 学術研究院繊維学系, 助教 (40396891)

Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords精子幹細胞 / ホーミング / 血液精巣関門 / ニッシェ / aPKC / 再生医療 / 生殖医療
Outline of Final Research Achievements

Spermatogonial stem cells (SSCs) are the foundation of spermatogenesis and can colonize genetically infertile testes. Previous result demonstrated that Rac1 mediated CLDN3 expression is necessary for homing of SSCs. Although atypical PKC (aPKC) molecule, such as PKCl and PKCz are known to regulate expression of tight junction molecules including CLDN3, Role of aPKC in SSC homing remained unknown.
In the present study, we tried to unveil the role of aPKC molecules in SSC homing using aPKC conditional knockout mice. However, our SSC transplantation assay revealed that aPKC molecules were dispensable for SSC homing.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (4 results)

All 2013 2012 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (1 results) (of which Invited: 1 results) Remarks (1 results)

  • [Journal Article] Regulation of pluripotency in male germline stem cells by Dmrt1.2013

    • Author(s)
      Takashima S, Hirose M, Ogonuki N, Ebisuya M, Inoue K, Kanatsu-Shinohara M, Tanaka T, Nishida E, Ogura A, Shinohara T.
    • Journal Title

      Genes Dev.

      Volume: 27 Issue: 18 Pages: 1949-58

    • DOI

      10.1101/gad.220194.113

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Reconstitution of mouse spermatogonial stem cell niches in culture2012

    • Author(s)
      Kanatsu-Shinohara, M., Inoue, K., Takashima, S.,Takehashi, M.,Ogonuki, N., Morimoto, H., Nagasawa, T., Ogura, A. and Shinohara, T
    • Journal Title

      Cell Stem Cell

      Volume: 11(4) Issue: 4 Pages: 567-578

    • DOI

      10.1016/j.stem.2012.06.011

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] 培養精子幹細胞が有する潜在的分化多能性

    • Author(s)
      高島誠司
    • Organizer
      2013年度(第45回)精子研究会・神戸大学重点研究チーム学術講演会
    • Place of Presentation
      神戸大学統合研究拠点コンベンションホール
    • Related Report
      2013 Research-status Report
    • Invited
  • [Remarks] 京都大学大学院・ 医学研究科・ 遺伝医学講座・ 分子遺伝学分野

    • URL

      http://www2.mfour.med.kyoto-u.ac.jp/~molgen/index.html

    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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