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Mechanism elucidation of the lethaleffect of radiolabeled antibody to solid tumor, and searching the factor enhanced this effect

Research Project

Project/Area Number 19790855
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Radiation science
Research InstitutionGunma University

Principal Investigator

HANAOKA Hirofumi  Gunma University, 大学院医学系研究科, 助教 (50361390)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,610,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥510,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2007: ¥1,400,000 (Direct Cost: ¥1,400,000)
Keywords固形癌 / RI標識抗体 / 治療 / 放射免疫療法 / アポトーシス
Research Abstract

培養細胞または担癌マウスに対して^<90>Y-抗体を負荷し、治療効果およびそのメカニズムについて検討を行った。培養細胞において^<90>Y-抗体の負荷により細胞死が観察され、少なくともその一部でアポトーシスが認められた。担癌マウスでは腫瘍縮小効果が観察された腫瘍を摘出し染色を行ったところ、^<90>Y-抗体投与早期よりアポトーシスが起こっていた。以上より、放射免疫療法による細胞致死作用がアポトーシスに起因することが明らかとなった。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (2 results)

All 2009

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

  • [Journal Article] Radioimmunotherapy of solid tumors targeting a cell-surface protein, FZD10: Therapeutic efficacy largely depends on radiosensitivity2009

    • Author(s)
      Hanaoka H, Katagiri T, Fukukawa C, Yoshioka H, Yamamoto S, Iida Y, Higuchi T, Oriuchi N, Paudyal B, Paudyal P, Nakamura Y, Endo K
    • Journal Title

      Ann Nucl Med 2009(in press) 23

    • NAID

      10025136774

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Radioimmunotherapy of solid tumors targeting a cell-surface protein, FZD10 : Therapeutic efficacy largely depends on radiosensitivity2009

    • Author(s)
      Hanaoka H. et.al.
    • Journal Title

      Annals of Nuclear Medicine 23(in press)

    • NAID

      10025136774

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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