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2008 Fiscal Year Annual Research Report

特異的線維化療法によるスキルス胃癌の新規治療法の開発

Research Project

Project/Area Number 20390211
Research InstitutionSapporo Medical University

Principal Investigator

瀧本 理修  Sapporo Medical University, 医学部, 講師 (10336399)

Co-Investigator(Kenkyū-buntansha) 佐藤 康史  札幌医科大学, 医学部, 講師 (80343383)
Keywordsスキルス胃癌 / 抗線維化 / 抗がん剤 / 治療
Research Abstract

スキルス胃癌は間質増生を特徴とし,予後不良である.最近,がんの間質増生に関与する線維芽細胞(がん随伴線維芽細胞,Cancer associated-fibroblasts: CAFと呼称される)はがん細胞からのTGF-βなどの刺激により一般的な線維芽細胞とは異なった特性を示すようになることが明らかにされた。つまり,CAFはa-Smooth muscle actin (a-SMA), Vimentinなどを発現し,同時にHGFやTGF-βなどの成長因子を分泌することでがん細胞の増殖を積極的にサポートすることが示されている.そこで,胃癌患者から採取したCAFと樹立胃癌細胞株の共培養実験系を用いて,CAFを標的とした細胞標的療法の基礎検討を行った.その結果,1)ヒトスキルス胃癌組織から得たCAFにVA-lip-daunorubicinを添加した際にlip-daunorubicinよりもより高い効率でdaunorubicinが導入されること,2)そのCAFと胃癌細胞を共培養させてそこにVA-lip-daunorubicinを添加すると胃癌細胞の増殖は低下することを確認した.現在,これらの研究成果をふまえてin vivoでの検討を開始している。

  • Research Products

    (8 results)

All 2008

All Journal Article (8 results) (of which Peer Reviewed: 8 results)

  • [Journal Article] Aberrant crypt foci as precursors of the dysplasia-carcinoma sequence in patients with ulcerativecolitis.2008

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

      Clin Cancer Res 14(1)

      Pages: 48-54

    • Peer Reviewed
  • [Journal Article] Combination therapy of an anti-cancer drug with the FNIII14 peptide of fibronectin effectively overcomes cell adhesion mediated-drug resistance of acute myelogenous leukemia.2008

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

      Leukemia 22(2)

      Pages: 353-360

    • Peer Reviewed
  • [Journal Article] Adenoviral vector-mediated transfer of the Indian hedgehog gene modulates lymphomyelopoiesis in vivo.2008

    • Author(s)
      Kobune M, et al.
    • Journal Title

      Stem Cells 26(2)

      Pages: 534-542

    • Peer Reviewed
  • [Journal Article] Resolution of liver cirrhosis using vitamin A-coupled liposomes to deliver siRNA against a collagen-specific chaperone.2008

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

      Nat Biotechnol 26(4)

      Pages: 431-442

    • Peer Reviewed
  • [Journal Article] Apoptosis supercedes necrosis in mitochondrial DNA-depleted Jurkat cells by cleavage of receptor-interacting protein and inhibition of lysosomal cathepsin.2008

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

      J Immunol 181(1)

      Pages: 197-207

    • Peer Reviewed
  • [Journal Article] Treatment of hepatocellular carcinoma by AdAFPep/rep, AdAFPep/p53, and 5-fluorouracil in mice.2008

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

      Hepatology 48(3)

      Pages: 828-840

    • Peer Reviewed
  • [Journal Article] Interaction with human stromal cells enhances CXCR4 expression and engraftment of cord blood Lin(-)CD34(-)cells.2008

    • Author(s)
      Kobune M, et al.
    • Journal Title

      Exp Hematol 36(9)

      Pages: 1121-1131

    • Peer Reviewed
  • [Journal Article] Ex vivo large-scale generation of human red blood cells from cord blood CD34+ cells by co-culturing with macrophages.2008

    • Author(s)
      Fujimi A, et al.
    • Journal Title

      Int J Hematol 87(4)

      Pages: 339-350

    • Peer Reviewed

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Published: 2010-06-11   Modified: 2016-04-21  

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