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The development of new immunotherapy by regulating immune checkpoint molecules for the treatment of digestive cancers

Research Project

Project/Area Number 23501285
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Tumor immunology
Research InstitutionTottori University

Principal Investigator

SAITO Hiroaki  鳥取大学, 医学部, 講師 (20335532)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords免疫治療 / 消化器癌 / T細胞 / Tim-3 / LAG-3 / 胃癌 / PD-1 / Tリンパ球 / 免疫逃避機構
Research Abstract

There are lots of patients who die due to cancer in Japan. The standard treatments for cancer are surgery, chemotherapy, and radiation therapy. Although recent progress in those therapies improve prognosis of cancer patients, many patients still die due to cancer. Therefore, the development of new effective therapy is indispensable to improve prognosis of cancer patients. Immunotherapy is considered to be a most promising candidate. We performed current study to develop new effective immunotherapy for the treatment of digestive cancer. In the current study, we found that the function of T cells was impaired and this phenomenon was induced by up-regulation of various immune checkpoint molecules. Furthermore, we have demonstrated that T cell function could be recovered by regulating these molecules. This approach may be the breakthrough for the treatment of cancer patients.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (9 results)

All 2013 2012

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (7 results)

  • [Journal Article] Increased PD-1 expression on CD4+ and CD8+ T cells is involved in immune evasion in gastric cancer.2013

    • Author(s)
      Saito H, Kuroda H, Matsunaga T, Osaki T, Ikeguchi M.
    • Journal Title

      J Surg Oncol.

      Volume: 107 Issue: 5 Pages: 517-22

    • DOI

      10.1002/jso.23281

    • Related Report
      2013 Annual Research Report 2013 Final Research Report 2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Upregulation of TIM-3 and PD-1 on CD4+ and CD8+ T Cells Associated with Dysfunction of Cell-Mediated Immunity after Colorectal Cancer Operation2012

    • Author(s)
      Arai Y, Saito H, Ikeguchi M
    • Journal Title

      Yonago Acta Med

      Volume: 55 Pages: 1-9

    • NAID

      120004664854

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Presentation] 胃癌患者におけるPD-1-PD-L1 免疫抑制経路の検討2013

    • Author(s)
      齊藤博昭、黒田博彦、高屋誠吾、福本陽二、尾崎知博、建部 茂、池口正英
    • Organizer
      日本消化器病学会
    • Place of Presentation
      鹿児島(城山観光ホテル)
    • Related Report
      2013 Final Research Report
  • [Presentation] リンパ球に発現する負の制御因子から見た胃癌患者の細胞性免疫能低下のメカニズム2012

    • Author(s)
      齊藤博昭、高屋誠吾、福本陽二、尾崎知博、建部茂、池口正英
    • Organizer
      日本バイオセラピー学会
    • Place of Presentation
      倉敷(倉敷芸文館)
    • Related Report
      2013 Final Research Report
  • [Presentation] PD-1/TIM-3 発現から見た大腸癌術後の細胞性免疫能低下のメカニズム2012

    • Author(s)
      荒井陽介、齊藤博昭、花木武彦、宮谷幸造、渡邉淨司、前田佳彦、蘆田啓吾、池口正英
    • Organizer
      日本外科学会
    • Place of Presentation
      千葉(幕張メッセ)
    • Related Report
      2013 Final Research Report
  • [Presentation] リンパ球に発現する制御分子から見た胃癌患者の細胞性免疫能低下のメカニズム2012

    • Author(s)
      齊藤博昭、高屋誠吾、福本陽二、尾崎知博、建部 茂、池口正英
    • Organizer
      日本癌治療学会
    • Place of Presentation
      横浜(パシフィコ横浜)
    • Related Report
      2013 Final Research Report
  • [Presentation] リンパ球に発現する負の制御因子から見た胃癌患者の細胞性免疫能低下のメカニズム2012

    • Author(s)
      齊藤博昭、高屋誠吾、福本陽二、 尾崎知博、建部 茂、池口正英
    • Organizer
      日本バイオセラピー学会
    • Place of Presentation
      倉敷 ( 倉敷芸文館 )
    • Related Report
      2012 Research-status Report
  • [Presentation] Upregulation of TIM-3 and PD-12012

    • Author(s)
      荒井陽介、齊藤博昭、池口正英
    • Organizer
      日本外科学会
    • Place of Presentation
      千葉 ( 幕張メッセ )
    • Related Report
      2012 Research-status Report
  • [Presentation] リンパ球に発現する制御分子から見た 胃癌患者の細胞性免疫能低下のメカニズム2012

    • Author(s)
      齊藤博昭、高屋誠吾、福本陽二、尾崎知博、建部 茂、池口正英
    • Organizer
      日本癌治療学会
    • Place of Presentation
      横浜( パシフィコ横浜 )
    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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