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Improvement of immunotherapy for human osteosarcoma

Research Project

Project/Area Number 19791388
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Pathobiological dentistry/Dental radiology
Research InstitutionHyogo College of Medicine

Principal Investigator

YAMANEGI Koji  Hyogo College of Medicine, 医学部, 助教 (00434944)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,780,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥1,700,000 (Direct Cost: ¥1,700,000)
Keywords骨肉腫 / 免疫療法 / histone deacetylase inhibitor / 遊離型Fas(sFas) / Valproic acid / Fas / soluble Fas / サイトカイン療法 / IL-18 / HDACI
Research Abstract

ヒト骨肉腫細胞株(OS)を用いIL-18がOSのFasL抵抗性に及ぼす影響を検討した。4種のヒト骨肉腫細胞株はIL-18receptorを発現しているが、腫瘍増殖、Fasの発現には全く影響をおよぼさず、遊離型Fas(sFas)の分泌においても変化はみられなかった。次にhistone deacetylase inhibitorであるsodium valproate(VPA)について上記と同様の目的にて検索した結果、VPAはヒト骨肉腫細胞の増殖を抑制した。またsFasの分泌を抑制し、FasLに対する感受性を増加させ、OSの免疫細胞抵抗性を減弱させることが示された。さらにVPAの前処置はFasを介したapoptosisのsignal伝達を活性化させることが示された。VPAはすでに抗てんかん薬として現在広く臨床応用されており、安全性・至適濃度はすでに確認されている。今回使用した濃度はその範囲内であることから、人体への影響が少なく、骨肉腫の治療に応用可能であることが示された。

Report

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

    (6 results)

All 2009 2008 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (2 results)

  • [Journal Article] Sodium valproate, a histone deacetylase inhibitor, decreases the secretion of soluble Fas by human osteosarcoma cells and increases their sensitivity to Fas-mediated cell death2009

    • Author(s)
      Yamanegi K, Yamane J, Hata M, Ohyama H, Kato-Kogoe N, Futani H, Nakasho K, Okamura H and Terada N.,
    • Journal Title

      Journal of Cancer Research and Clinical Oncology 135(7)

      Pages: 879-889

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Enhanced suppression of pulmonary metastasis of malignant melanoma cells by combined administration of α-galactosylceramide and interleukin-182008

    • Author(s)
      Nishio S、Ymada N, Ohyama H, Yamanegi K, Nakasho K, Hata M, Nakamura Y, Fukunaga S, Futani H, Yoshiya S, Ueda H, Taniguchi M, Okamura H and Terada N
    • Journal Title

      Cancer Sci 99(1)

      Pages: 113-20

    • NAID

      10024001145

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Differential effects of polymorphisms in the 5' flanking region of IL12RB2 on NK- and T-cell activity2008

    • Author(s)
      Ohyama H, Kato-Kogoe N, Nishimura F, Takeuchi-Hatanaka K, Matsushita S, Yamanegi K, Yamada N, Hata M, Nakasho K and Terada N
    • Journal Title

      J. Interferon Cytokine Res 28(9)

      Pages: 563-570

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Sodium valproate, a histone deacetylase inhibitor, decreases the secretion of soluble Fas by human osteosarcoma cells and increases their sensitivity to Fas-mediated cell death

    • Author(s)
      Koji Yamanegi, Junko Yamane, Masaki Hata, Hideki Ohyama, Naoko Kato-Kogoe, Hiroyuki Futani, Keiji Nakasho, Haruki Okamura and Nobuyuki Terada
    • Journal Title

      Journal of Cancer Research and Clinical Oncology (採択済み)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] ヒト骨肉腫細胞の免疫療法抵抗性に対するhistone deacetylase inhibitor の効果2008

    • Author(s)
      山根木康嗣、山根順子、秦正樹、大山秀樹、山田直子、中正恵二、寺田信行
    • Organizer
      第97回日本病理学会総会
    • Place of Presentation
      金沢
    • Year and Date
      2008-05-16
    • Related Report
      2008 Final Research Report
  • [Presentation] ヒト骨肉腫細胞の免疫療法抵抗性に対するhistone deacetylase inhibitorの効果2008

    • Author(s)
      山根木康嗣, 山根順子, 秦正樹, 大山秀樹, 山田直子, 中正恵二, 寺田信行
    • Organizer
      第97回日本病理学会総会
    • Place of Presentation
      金沢
    • Year and Date
      2008-05-16
    • Related Report
      2008 Annual Research Report

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

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