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2007 Fiscal Year Annual Research Report

化学療法と抗体療法における細胞死の耐性機序の解析

Research Project

Project/Area Number 17016077
Research InstitutionJapanese Foundation For Cancer Research

Principal Investigator

畠 清彦  Japanese Foundation For Cancer Research, 癌化学療法センター臨床部, 部長 (80192699)

Keywords癌 / シグナル伝達 / 薬剤反応性 / 共焦点顕微鏡
Research Abstract

抗体療法や新規分子標的薬剤における、がん細胞の耐性機構の基礎的研究を行い、耐性克服を可能とする薬剤の併用を明らかにした。臨床例での耐性克服を可能とした。抗体医薬では補体制御蛋白の発現による耐性機序やCD20というB細胞特異的抗原の点突然変異を見いだした。この変異と補体感受性との関係を臨床例での検討も行った.抗体依存性殺細胞効果(ADCC)も系を樹立した検討し、測定系を樹立したので、あらゆる抗体医薬のADCC測定が可能となった。シグナル伝達阻害剤imatinibによる治療は耐性例も知られている。これに対しては多くの点変異によるimatinib抵抗性株細胞を入手又は樹立したので、克服する薬剤の検討を行い、従来の薬剤や新規薬剤による耐性克服が可能となる基礎データが得られた。今後さらにDasatinib, nilotinibの効果を検討し、この新規薬剤や抗体医薬に対する抵抗性を有するB細胞性リンパ腫株細胞の樹立により補体依存性殺細胞効果の耐性機序、慢性骨髄性白血病由来細胞株ではimatinib耐性株作成から細胞死の耐性機序を研究し、耐性克服をめざす。bortezomib耐性株についても樹立したので、HDACI, Proteasome inhibitor, NF-kB阻害剤が中心として行った。

  • Research Products

    (13 results)

All 2008 2007 Other

All Journal Article (11 results) (of which Peer Reviewed: 11 results) Patent(Industrial Property Rights) (2 results) (of which Overseas: 1 results)

  • [Journal Article] Serum level of macrophage colony-stimulating factor is increased in prostate cancer patients with bone metastasis.2008

    • Author(s)
      Ide H, et. al.
    • Journal Title

      Hum Cell. 21

      Pages: 1-6

    • Peer Reviewed
  • [Journal Article] Efficacy and safety of trastuzumab plus capecitabine in heavily pretreated patients with HER2-positive metastatic breast cancer.2008

    • Author(s)
      Osako T, et. al.
    • Journal Title

      Am J Hematol. 83

      Pages: 59-62

    • Peer Reviewed
  • [Journal Article] Rituximab plus CHOP as an initial chemotherapy for patients with diss eminated MALT lymphoma.2007

    • Author(s)
      Ennishi D et. al
    • Journal Title

      Leuk Lymphoma. 48

      Pages: 2241-3

    • Peer Reviewed
  • [Journal Article] Retroviral integration site analysis and the fate of transduced clones in an MDR1 gene therapy protocol targeting metastatic breast cancer.2007

    • Author(s)
      Mitsuhashi J, et. al.
    • Journal Title

      Hum Gene Ther. 18

      Pages: 895-906

    • Peer Reviewed
  • [Journal Article] Pilot study of MDR1 gene transfer into hematopoietic stem cells and chemoprotection in metastatic breast cancer patients.2007

    • Author(s)
      Takahashi S, et. al.
    • Journal Title

      Cancer Sci. 98

      Pages: 1609-16

    • Peer Reviewed
  • [Journal Article] Phase II study of oxaliplatin in Japanese patients with metastatic colorectal cancer refractory to fluoropyrimidines.2007

    • Author(s)
      Boku N, et. al.
    • Journal Title

      Jpn J Clin Oncol. 37

      Pages: 440-5

    • Peer Reviewed
  • [Journal Article] Bone marrow-derived CXCR4+cells mobilized by macrophage colony-stimulating factor participate in the reduction of infarct area and improve ment of cardiac remodeling after myocardial infarction in mice.2007

    • Author(s)
      Morimoto H, et. al.
    • Journal Title

      Am J Pathol. 171

      Pages: 755-766

    • Peer Reviewed
  • [Journal Article] Intermittent capecitabine monotherapy with lower dose intensity in heavily pretreated patients with metastatic breast cancer.2007

    • Author(s)
      Osako T, et. al.
    • Journal Title

      Tumori. 93

      Pages: 129-32

    • Peer Reviewed
  • [Journal Article] Does lapatinib, a small-molecule tyrosine kinase inhibitor, constitute a breakthrough in the treatment of breast cancer?2007

    • Author(s)
      Ito Y, et. al.
    • Journal Title

      Breast Cancer 14

      Pages: 156-62

    • Peer Reviewed
  • [Journal Article] Next generation molecular targeted agents for breast cancer: focus on EGFR and VEGFR pathways.2007

    • Author(s)
      Hatake K, et. al.
    • Journal Title

      Breast Cancer 14

      Pages: 132-49

    • Peer Reviewed
  • [Journal Article] Increased incidence of interstitial pneumonia by CHOP combined with rituximab

    • Author(s)
      Ennishi D et. al
    • Journal Title

      Int J Hematol. (in press)

    • Peer Reviewed
  • [Patent(Industrial Property Rights)] 抗体医薬感受性検査方法2007

    • Inventor(s)
      杉村夏彦, 三嶋雄二, 畠清彦
    • Industrial Property Rights Holder
      財団法人癌研究会オリンパス株式会社
    • Industrial Property Number
      PCT/JP2007/68723
    • Filing Date
      2007-09-26
    • Overseas
  • [Patent(Industrial Property Rights)] Fc受容体遺伝子導入NK細胞株、その作製方法、及びこれを用いた抗体依存性細胞障害のアッセイ方法2007

    • Inventor(s)
      杉村夏彦, 三嶋雄二, 畠清彦
    • Industrial Property Rights Holder
      財団法人癌研究会オリンパス株式会社
    • Industrial Property Number
      特願2007-254099
    • Filing Date
      2007-09-28

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Published: 2010-02-04   Modified: 2016-04-21  

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