• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

The epigenetic status of Y chromosome in mammalian undifferentiated gonad

Research Project

Project/Area Number 17K08686
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Human genetics
Research InstitutionKobe University

Principal Investigator

YOKOYAMA TOSHIFUMI  神戸大学, 農学研究科, 助教 (10380156)

Co-Investigator(Kenkyū-buntansha) 星 信彦  神戸大学, 先端融合研究環, 教授 (10209223)
三木 崇範  香川大学, 医学部, 教授 (30274294)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2017: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords性決定 / 性分化 / Sry / 未分化性腺 / 系統差 / エピジェネティクス / AMH / 性特異的遺伝子発現 / 器官培養法 / 精巣 / C57BL6 / ICR / 亜系統差 / B6N-YPOS / 内部標準遺伝子 / qPCR / ミュラー管退行 / dmrt3 / cerebral palsy / 雄性化 / 未分化生殖腺
Outline of Final Research Achievements

The relationship between the modification status of the sex-determining gene Sry on the Y chromosome and the expression of sex-differentiation-related factors was investigated. As a result, it was revealed that Sry expression was different among the commonly used mouse sublines, and that there were spatiotemporal and lateral differences in Sry expression in healthy male individuals. The organ culture system and internal normalizing genes required for validation of Sry expression were also established. Moreover, it was revealed that Amh acts on the Mullerian duct by infiltrating the tissue from the testis toward the mesonephros.

Academic Significance and Societal Importance of the Research Achievements

性差の確立には性決定遺伝子SRYおよび下流因子の適切な発現が重要で,その調節機構の解明には実験動物による検証が大きく貢献している.本研究の結果,Sry発現に個体差が大きいことや,従来大きく考慮されていなかった亜系統差の重要性が明らかとなった.ヒト疾患においては遺伝子座内のみならず発現制御領域内の小さな変異が原因となることが示されており,性分化機構並びにその破綻機序の解明に重要な知見が提供された.

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (16 results)

All 2020 2019 2018 2017

All Journal Article (5 results) (of which Peer Reviewed: 5 results,  Open Access: 5 results) Presentation (11 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] Establishment of an organ culture system to induce Sertoli cell differentiation from undifferentiated mouse gonads2020

    • Author(s)
      HASEGAWA Chinatsu、YOKOYAMA Toshifumi、UMEMURA Yuria、KAWANISHI Kohei、MIURA Yuuka、TAKADA Nanako、OHNO Shuji、ONARU Kanoko、OMOTEHARA Takuya、HIRANO Tetsushi、MANTANI Yohei、Miki Takanori、HOSHI Nobuhiko
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 82 Issue: 4 Pages: 414-421

    • DOI

      10.1292/jvms.20-0036

    • NAID

      130007829882

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Genetic differences between C57BL/6 substrains affect the process of testis differentiation in Y<sup>POS</sup> mice2019

    • Author(s)
      YOKOYAMA Toshifumi、MIURA Yuuka、YAMAMOTO Anzu、HASEGAWA Chinatsu、KAWANISHI Kohei、TAKADA Nanako、OMOTEHARA Takuya、HIRANO Tetsushi、MANTANI Yohei、MIKI Takanori、HOSHI Nobuhiko
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 81 Issue: 4 Pages: 608-611

    • DOI

      10.1292/jvms.18-0621

    • NAID

      130007638718

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Identification of reference genes for quantitative PCR analyses in developing mouse gonads2018

    • Author(s)
      YOKOYAMA Toshifumi、OMOTEHARA Takuya、HIRANO Tetsushi、KUBOTA Naoto、YANAI Shogo、HASEGAWA Chinatsu、TAKADA Tadashi、MANTANI Yohei、HOSHI Nobuhiko
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 80 Issue: 10 Pages: 1534-1539

    • DOI

      10.1292/jvms.18-0417

    • NAID

      130007502949

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Identification of a candidate enhancer for DMRT3 involved in spastic cerebral palsy pathogenesis.2018

    • Author(s)
      Kubota N, Yokoyama T, Hoshi N, Suyama M
    • Journal Title

      Biochem Biophys Res Commun

      Volume: 496 Issue: 1 Pages: 133-133

    • DOI

      10.1016/j.bbrc.2018.01.011

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] The mechanisms underlying the effects of AMH on Müllerian duct regression in male mice2018

    • Author(s)
      Yamamoto A, Omotehara, Miura Y, Takada T, Yoneda N, Hirano T, Mantani Y, Kitagawa H, Yokoyama T, Hoshi N
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 80 Issue: 4 Pages: 557-567

    • DOI

      10.1292/jvms.18-0023

    • NAID

      130006708370

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Left-right asymmetry of Sry expression in the developing gonad of C57BL/6N mouse.2019

    • Author(s)
      Kohei KAWANISHI, Chinatsu HASEGAWA, Taiga NAKAMURA, Shiori KATOH, Yohei MANTANI, Toshifumi YOKOYAMA, Nobuhiko HOSHI
    • Organizer
      The 42nd Annual Meeting of the Molecular Biology Society of Japan
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Testis differentiation process of YPOS mice with fragile Sry is affected by genetic differences in C57BL/6 substrains.2019

    • Author(s)
      Toshifumi YOKOYAMA, Yuuka MIURA, Anzu YAMAMOTO, Chinatsu HASEGAWA, Kohei KAWANISHI, Nanako TAKADA, Takuya OMOTEHARA, Tetsushi HIRANO, Yohei MANTANI, Takanori MIKI, Nobuhiko HOSHI
    • Organizer
      The 42nd Annual Meeting of the Molecular Biology Society of Japan
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] マウス健常雄個体の性腺におけるSry 発現の左右差に関する定量組織学的研究2019

    • Author(s)
      川西 航平, 長谷川 千夏, 中村 大河, 加藤 栞, 万谷 洋平, 横山 俊史, 星 信彦
    • Organizer
      第95回日本解剖学会近畿支部学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 性決定期のマウス性腺におけるSry発現の時空間的解析-健常雄個体におけるSry発現の左右差2019

    • Author(s)
      川西 航平, 長谷川 千夏, 中村 大河, 加藤 栞, 万谷 洋平, 横山 俊史, 星 信彦
    • Organizer
      第162回日本獣医学会学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 性決定前のマウス未分化XY性腺の精巣化を誘導する器官培養法の確立とその組織学的評価2019

    • Author(s)
      長谷川 千夏, 梅村 ゆりあ, 川西 航平, 中村 大河, 加藤 栞, 万谷 洋平, 横山 俊史, 星 信彦
    • Organizer
      第162回日本獣医学会学術集会
    • Related Report
      2019 Annual Research Report
  • [Presentation] C57BL/6マウスの亜系統差による生殖腺表現型の変化2019

    • Author(s)
      三浦由佳, 横山 俊史, 山本杏, 川西航平, 長谷川千夏, 高田菜々子, 万谷洋平, 星 信彦
    • Organizer
      第32回モロシヌス研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 生殖腺の表現型に及ぼすマウス亜系統差の影響に関する遺伝学的研究2018

    • Author(s)
      三浦由佳; 山本杏; 川西航平; 長谷川千夏; 高田菜々子; 高田匡; 万谷洋平; 横山 俊史; 星 信彦
    • Organizer
      第161回日本獣医学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] 性決定前のマウス未分化 XY 性腺の精巣化を誘導する器官培養法の確立とその組織学的評価.2018

    • Author(s)
      長谷川千夏; 梅村ゆりあ; 三浦由佳; 川西航平; 高田菜々子; 大野周嗣; 万谷洋平; 横山 俊史; 星 信彦
    • Organizer
      第94回日本解剖学会近畿支部学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] 性決定遺伝子発現前のマウス未分化XY性腺の精巣化を誘導する器官培養法2018

    • Author(s)
      長谷川千夏; 梅村ゆりあ; 三浦由佳; 川西航平; 高田菜々子; 大野周嗣; 万谷洋平; 横山 俊史; 星 信彦
    • Organizer
      関西実験動物研究会第140回研究会
    • Related Report
      2018 Research-status Report
  • [Presentation] マウスのミュラー管退行におけるAMH作用様式2017

    • Author(s)
      山本杏; 表原拓也; 三浦由佳; 川西航平; 長谷川千夏; 万谷洋平; 北川 浩; 横山 俊史; 星 信彦
    • Organizer
      第93回日本解剖学会近畿支部学術集会
    • Related Report
      2017 Research-status Report
  • [Presentation] マウスの亜系統差が生殖腺に及ぼす影響の遺伝学的研究2017

    • Author(s)
      三浦由佳; 山本 杏; 川西航平; 長谷川千夏; 横山 俊史; 星 信彦
    • Organizer
      第136回関西実験動物研究会
    • Related Report
      2017 Research-status Report

URL: 

Published: 2017-04-28   Modified: 2021-02-19  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi