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Basic study on novel antibody therapy targeting colon cancer stem cells

Research Project

Project/Area Number 16K15614
Research Category

Grant-in-Aid for Challenging Exploratory Research

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

Principal Investigator

Hidekazu Takahashi  大阪大学, 医学系研究科, 助教 (10528508)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
KeywordsLgr5 / Syntenin-1 / LC-MS/MS解析 / 予後マーカー / 大腸癌 / 幹細胞 / 活性酸素種 / 再発大腸癌 / 癌幹細胞仮説 / スプライシング / 進行再発大腸癌 / 癌幹細胞 / 分子標的治療
Outline of Final Research Achievements

As a result of LC-MS / MS analysis, syntenin-1 was identified as a molecule conjugated to the colon cancer stem cell marker Lgr5. The relationship between clinicopathological factors and prognosis of syntenin-1 expression was examined and functional analysis was performed. Overall survival rate was low expression group: high expression group = 97.8%: 63.8% (p = 0.001), 5 year low relapse survival rate was low expression group: high expression group = 92.4%: 61.7% (p = 0.001). The rate of recurrence was significantly higher and the survival rate was lower in the high expression group of syntenin-1. Silencing Syntenin-1 increased the sensitivity to L-OHP with significant difference (p <0.05).

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)

  • [Presentation] 大腸癌における完全長LGR5陽性細胞の意義についての研究2017

    • Author(s)
      高橋秀和、大澤日出樹、西村潤一、原口直紹、畑泰司、山本浩文、松田宙、水島恒和、土岐祐一郎、森正樹
    • Organizer
      第55回日本癌治療学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] KRAS遺伝子変異大腸がんにおけるがん幹細胞マーカーDCLK1の発現の意義2017

    • Author(s)
      牧野俊一郎、高橋秀和、原口直紹、西村潤一、畑泰司、松田宙、水島恒和、山本浩文、土岐祐一郎、森正樹
    • Organizer
      第117回日本外科学会定期学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 大腸癌の進展における TGF-βシグナルとがん幹細胞マーカーDCLK1の発現の意義2017

    • Author(s)
      牧野俊一郎、高橋秀和、原口直紹、西村潤一、畑泰司、松田宙、水島恒和、山本浩文、土岐祐一郎、森正樹
    • Organizer
      第55回日本癌治療学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 大腸癌におけるsyntenin-1の機能・発現解析2017

    • Author(s)
      岩本和哉、高橋秀和、原口直紹、西村潤一、畑泰司、松田宙、水島恒和、山本浩文、土岐祐一郎、森正樹
    • Organizer
      第72回日本消化器外科学会総会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 大腸癌におけるsyntenin-1の機能・発現解析2017

    • Author(s)
      岩本和哉、高橋秀和、原口直紹、西村潤一、畑泰司、松田宙、水島恒和、山本浩文、土岐祐一郎、森正樹
    • Organizer
      第55回日本癌治療学会学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 大腸癌におけるsyntenin-1発現の臨床病理学的意義についての検討2017

    • Author(s)
      岩本和哉、高橋秀和、原口直紹、西村潤一、畑泰司、松田宙、水島恒和、山本浩文、土岐祐一郎、森正樹
    • Organizer
      第117回日本外科学会定期学術集会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Characteristics of carbonic anhydrase 9-expressing cells in the human intestinal crypt base2016

    • Author(s)
      Yozo Suzuki, Hidekazu Takahashi, et al.
    • Organizer
      American Association for Cancer Research
    • Place of Presentation
      New Orleans, USA
    • Year and Date
      2016-04-16
    • Related Report
      2016 Research-status Report

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

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