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Tissue regeneration of resected anal sphincter muscle by the stem cells derived from adipose tissue

Research Project

Project/Area Number 24659616
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Digestive surgery
Research InstitutionNagasaki University

Principal Investigator

FUJITA Fumihiko  長崎大学, 病院(医学系), 講師 (40380943)

Co-Investigator(Kenkyū-buntansha) 山之内 孝彰  長崎大学, 医歯薬学総合研究科(医学系), 助教 (10448508)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords脂肪幹細胞 / 肛門機能 / 肛門機能不全モデル / 肛門括約筋切除 / 再生 / 細胞シート / 再生医療 / 肛門機能不全
Outline of Final Research Achievements

The aim of this study is to evaluate functional recovery after implantation of adipose derived stem cells (ADSCs) in anal sphincter resection (ASR) animal model.
We could get ADSCs from rats and culture them in vitro at the first year. Secondary, we made ASR model and the rats in the ASR group showed a significant decrease in anal pressure for about one month when compared with the baseline. The lack of the anal sphincter muscle could be confirmed histologically. Finally, ADSCs were injected around the anus of the rats in ASR group. The rats showed a significant increase in anal pressure when compared with the control group and the growing tissues were found at the site injected ADSCs. The same phenomenon could be confirmed by using cell sheet made by ADSCs.

Report

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

    (9 results)

All 2014 2013 2012 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (8 results)

  • [Journal Article] A novel animal model of long-term sustainable anal sphincter dysfunction.2013

    • Author(s)
      Yamaguchi I, Fujita F, Yamanouchi K, Mishima T, Kawahara D, Sakai Y, Ito S, Kanetaka K, Takatsuki M, Kuroki T, Eguchi S.
    • Journal Title

      J Surg Res

      Volume: 184 Issue: 2 Pages: 813-818

    • DOI

      10.1016/j.jss.2013.04.010

    • NAID

      120006986093

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 組織工学を用いた肛門機能不全モデルに対する機能再生2014

    • Author(s)
      井上 悠介
    • Organizer
      日本外科学会定期学術集会
    • Place of Presentation
      京都国際会館(京都)
    • Year and Date
      2014-04-03 – 2014-04-05
    • Related Report
      2014 Annual Research Report
  • [Presentation] 長期肛門内圧低下を伴う肛門機能不全動物モデル作成の試み2013

    • Author(s)
      山口泉、藤田文彦、山之内孝彰、三島壯太、川原大輔、小坂太一郎、足立智彦、曽山明彦、伊藤信一郎、北里周、虎島泰洋、金高賢吾、高槻光寿、南恵樹、黒木保、江口晋
    • Organizer
      第113回日本外科学会定期学術集会
    • Place of Presentation
      福岡(マリンメッセ福岡)
    • Related Report
      2013 Research-status Report
  • [Presentation] 肛門機能不全動物モデルに対する機能再生を目指した脂肪幹細胞移植2013

    • Author(s)
      山口泉、藤田文彦、山之内孝彰、三島壯太、川原大輔、伊藤信一郎、金高賢吾、黒木保、江口晋
    • Organizer
      第68回日本消化器外科学会総会
    • Place of Presentation
      宮崎(シーガイアコンベンションセンター)
    • Related Report
      2013 Research-status Report
  • [Presentation] 下部直腸癌に対する内視鏡下手術:腹腔鏡操作と会陰操作を手際よく進めるために2013

    • Author(s)
      藤田文彦、松本 亮、崎村千香、虎島泰洋、井上悠介、川原大輔、米田 晃、金高賢悟、高槻光寿、南 恵樹、黒木 保、江口 晋
    • Organizer
      第75回日本臨床外科学会総会
    • Place of Presentation
      名古屋(名古屋国際会議場)
    • Related Report
      2013 Research-status Report
  • [Presentation] 長期肛門内圧低下を可能とする肛門機能不全動物モデル作成の試み2013

    • Author(s)
      山口泉、藤田文彦、山之内孝彰、三島壯太、川原大輔、小坂太一郎、足立智彦、曽山明彦、伊藤信一郎、北里周、虎島泰洋、金高賢悟、高槻光寿、南恵樹、黒木保、江口晋
    • Organizer
      第113回日本外科学会定期学術集会
    • Place of Presentation
      福岡県
    • Related Report
      2012 Research-status Report
  • [Presentation] Reproducible animal model for the study of anal sphincter disfunction for regenerative medicine2012

    • Author(s)
      Izumi Yamaguchi, Fumihiko Fujita, Kosho Yamanouchi, Daisuke Kawahara, Yusuke Sakai, Shinichiro Ito, Kengo Kanetaka, Mitsuhisa Takatsuki, Tamotsu Kuroki, Susumu Eguchi
    • Organizer
      3rd TERMIS world congress
    • Place of Presentation
      Vienna Austria
    • Related Report
      2012 Research-status Report
  • [Presentation] 肛門機能不全モデルに対する脂肪幹細胞を用いた肛門括約筋再生の試み

    • Author(s)
      山口泉、藤田文彦、山之内孝彰、虎島泰洋、井上悠介、川原大輔、堺裕輔、黒木保、巽理恵、丹羽正美、江口晋
    • Organizer
      第19回大腸肛門機能障害研究会
    • Place of Presentation
      東京(ホテルニューオータニ)
    • Related Report
      2013 Research-status Report
  • [Presentation] 脂肪幹細胞を用いた肛門括約筋再生の試み

    • Author(s)
      山口泉、藤田文彦、山之内孝彰、虎島泰洋、堺裕輔、黒木保、巽理恵、丹羽正美、江口晋
    • Organizer
      第18回長崎障害者支援再生医療研究会
    • Place of Presentation
      長崎(長崎大学医学部ポンぺ会館)
    • Related Report
      2013 Research-status Report

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

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