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造血器腫瘍に対する新たな細胞免疫療法の開発

Research Project

Project/Area Number 18015037
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionEhime University

Principal Investigator

安川 正貴  Ehime University, 大学院・医学系研究科, 教授 (60127917)

Co-Investigator(Kenkyū-buntansha) 羽藤 高明  愛媛大学, 医学部・附属病院, 准教授 (30172943)
東 太地  愛媛大学, 医学部・附属病院, 講師 (10396252)
Project Period (FY) 2006 – 2007
Project Status Completed (Fiscal Year 2007)
Budget Amount *help
¥10,500,000 (Direct Cost: ¥10,500,000)
Fiscal Year 2007: ¥5,300,000 (Direct Cost: ¥5,300,000)
Fiscal Year 2006: ¥5,200,000 (Direct Cost: ¥5,200,000)
Keywords造血器腫瘍 / 細胞傷害性T細胞 / 細胞免疫療法 / T細胞エピトープ / CML66 / Aurora Kinase / GVHD / がん免疫 / 細胞障害性T細胞 / がんペプチドワクチン / 遺伝子治療
Research Abstract

造血器腫瘍に対する新たな細胞免疫療法の開発を目的に研究を遂行し、下記の結果が得られた。
1)白血病関連抗原CML66特異的細胞傷害性T細胞の誘導と機能解析
健常者末梢血からCML66ペプチド特異的CD8陽性CTLを誘導した。抗HLA-A24抗体ならびにHLA-A24遺伝子導入細胞を用いた解析からHLA-A24拘束性CTLであることが確認された。CML66は多くの白血病細胞に強く発現され、正常細胞には発現が極めて低いことが確認された。CML66特異的CTLは白血病細胞ならびに新鮮分離白血病細胞をHLA-A24拘束性に傷害したが、正常細胞には影響を与えなかった。以上の結果から、CML66は新たな白血病関連抗原であることが明らかとなった。
2)HLA-A2拘束性CTLが認識するAurora-Aエピトープの同定
Aurora-Aペプチド特異的HLA-A2拘束性CD8陽性CTL株を樹立した。Aurora-Aは、ほとんどの白血病細胞株および新鮮分離白血病細胞に強く発現が認められた。中でも特に、慢性骨髄性白血病のCD34陽性分画にきわめて高い発現が認められた。他方、正常細胞では骨髄並びに臍帯血CD34陽性細胞も含めてその発現量は低値であった。Aurora-A特異的DTLは正常細胞には全く影響を与えなかったが、白血病細胞株ならびに新鮮分離白血病細胞に対してはHLA-A2拘束性に強い細胞傷害性を示した。以上の結果から、Aurora-Aを標的とした細胞免疫療法は白血病の新たな治療戦略になりうると考えられる。
3)ケモカインレセプター遺伝子導入制御性T細胞移入による急性GVHDの制御
GVHD発症組織では、CXCR3リガンドが高発現していることが明らかとなった。そこで、TregにCXCR3遺伝子を導入し、CXCR3強制発現Treg(CXCR3 -Treg)を作製した。CXCR3 -TregをGVHD発症マウスに移入したところ、肝臓と腸管に選択的に集積した。CXCR3 -Treg移入マウスでは、肝臓と腸管のGVHDのグレードは明らかに軽度であり、体重減少などの全身症状の回復も認められた。以上の結果から、人為的操作を加え、病変部位に選択的に集積できる制御性T細胞を用いた治療法は、新たな免疫制御療法になりうることが示された。

Report

(2 results)
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (24 results)

All 2008 2007 2006

All Journal Article (14 results) (of which Peer Reviewed: 8 results) Presentation (7 results) Book (3 results)

  • [Journal Article] Identification of an epitope derived from CML66, a novel tumor-associated antigen broadly expressed in human leukemia, recognized by HLA-A^*2402-restricted2008

    • Author(s)
      Suemori K, Yasukawa M, et. al.
    • Journal Title

      Cancer Sci. (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cooperative role of the membrane-proximal and distal residues of the intergrin beta 3 cytoplasmic domain in regulation of talin-mediated alpha IIbbeta 3 activation.2008

    • Author(s)
      Hato T, Yasukawa M, et. al.
    • Journal Title

      J. Biol. Chem. (In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Therapeutic effect of accumulation of CXCR3-expressing regulatory T cells on liver and intestinal damages in a murine acute GVHD model.2008

    • Author(s)
      Hasegawa H, Yasukawa M, et. al.
    • Journal Title

      Gene Ther. 15

      Pages: 171-182

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Wilms tumor gene Wt1 peptide-based immunotherapy induced a minimal response in a patient with advanced therapy-resistant multiple myeloma.2007

    • Author(s)
      Tsuboi A, Yasukawa M, et. al.
    • Journal Title

      Int. J. Hematol. 86

      Pages: 414-417

    • NAID

      10019533221

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Therapy for pneumonitis and sialadenitis by accumulation of CCR2-expressing CD4+CD25+regulatory T cells in MRL/Lpr mice.2007

    • Author(s)
      Hasegawa H, Yasukawa M, et. al.
    • Journal Title

      Arthritis Res.Ther. 9

      Pages: 15-15

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A mitotic kinase TOPK enhances cdkl/cyclin B1-dependent phosphorylation of PRC1 and promotes cytokinesis.2007

    • Author(s)
      Abe Y, Yasukawa M, et. al.
    • Journal Title

      J. Mol. Biol. 370

      Pages: 231-245

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The role of Wilms' tumor gene peptide-specific cytotoxic T lymphocytes in immunologic selection of a paroxysmal nocturnal hemoglobinuria clone.2007

    • Author(s)
      Ikeda K, Yasukawa M, et. al.
    • Journal Title

      Exp. Hematol. 35

      Pages: 618-626

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Identification and characterization of a WT1(Wilms' tumor gene)protein-derived HLA-DRB1*0405-restricted 16-mer helper peptide that promotes the induction and activation of WT1-specific cytotoxic T lymphocytes.2007

    • Author(s)
      Fujiki F, Yasukawa M, et. al.
    • Journal Title

      J. Immunother. 30

      Pages: 282-293

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The role of Wilms' tumor gene peptide-specific cytotoxic T lymphocytes in immunologic selection of a paroxysmal nocturnal hemoglobinuria clone.2007

    • Author(s)
      Ikeda K, Yasukawa M, et al.
    • Journal Title

      Exp. Hematol. 35

      Pages: 618-626

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Antagosist of interferon-inducible protein 10/CXCL10 ameliorates the progression of autoimmune sialadenitis in MRL/lpr mice.2006

    • Author(s)
      Hasegawa H, Yasukawa M, et al.
    • Journal Title

      Arthritis Rheum. 54

      Pages: 1174-1183

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Human herpesvirus 6 impairs differentiation of monocytes to dendritic cells.2006

    • Author(s)
      Niiya H, Yasukawa M, et al.
    • Journal Title

      Exp. Hematol. 34

      Pages: 642-653

    • Related Report
      2006 Annual Research Report
  • [Journal Article] IK cytokine ameliorates the progression of lupus nephritis in MRL/lpr mice.2006

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

      Arthritis Rhuem. 54

      Pages: 3591-3600

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Identification of critical residues for regulation of integrin activation in the beta6-alpha7 loop of the integrin beta3 I-like domain.2006

    • Author(s)
      Hato T, Yasukawa M, et al.
    • Journal Title

      J Thromb Haemost. 4

      Pages: 2278-2280

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Identification of N-arachidonylglycine as the endogenous ligand for orphan G-protein-coupled receptor GPR18.2006

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

      Biochem. Biophys. Res. Commun. 347

      Pages: 827-832

    • Related Report
      2006 Annual Research Report
  • [Presentation] Cytotoxic T-lymphocytes harnessing CML66 can kill human myeloid leukemia cells in vitro.2007

    • Author(s)
      Suemori K, Yasukawa M, et. al.
    • Organizer
      The 49th Anmnual Meeting of American Society of Hematology
    • Place of Presentation
      Atlanta, Georgia, U.S.A.
    • Year and Date
      2007-12-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] Therapeutic effect of CXCR3-expressing regulatory T cells on liver and intestinal dameges in a murine acute GVHD model2007

    • Author(s)
      Yamanouchi J, Yasukawa M, et. al.
    • Organizer
      The 49th Anmnual Meeting of American Society of Hematology
    • Place of Presentation
      Atlanta, Georgia, U.S.A.
    • Year and Date
      2007-12-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] Aurora-A kinase: A novel target for the immunotherapy against human leukemias2007

    • Author(s)
      Ochi T, Yasukawa M, et. al.
    • Organizer
      The 49th Anmnual Meeting of American Society of Hematology
    • Place of Presentation
      Atlanta, Georgia, U.S.A.
    • Year and Date
      2007-12-08
    • Related Report
      2007 Annual Research Report
  • [Presentation] ヒト細胞傷害性T細胞カミ認識するAurora・A由来エピトープの同定2007

    • Author(s)
      越智俊元、安川正貴、他
    • Organizer
      第69回日本血液学会・第49回日本臨床血液学会合同総会
    • Place of Presentation
      横浜市
    • Year and Date
      2007-10-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] 腫瘍関連抗原CML66特異的細胞傷害性T細胞の誘導と機能解析2007

    • Author(s)
      末盛浩一郎、安川正貴、他
    • Organizer
      第69回日本血液学会・第49回日本臨床血液学会合同総会
    • Place of Presentation
      横浜市
    • Year and Date
      2007-10-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] Induction and functional analysis of CML66-specific cytotoxic T lymphocytes2007

    • Author(s)
      Suemori K, Yasukawa M, et. al.
    • Organizer
      第66回日本癌学会学術総会
    • Place of Presentation
      横浜市
    • Year and Date
      2007-10-05
    • Related Report
      2007 Annual Research Report
  • [Presentation] Identification of an epitope derived from Aurora-a kinase which induces leukemia-specific CTL2007

    • Author(s)
      Ochi T, Yasukawa M, et. al.
    • Organizer
      第66回日本癌学会学術総会
    • Place of Presentation
      横浜市
    • Year and Date
      2007-10-03
    • Related Report
      2007 Annual Research Report
  • [Book] 造血器腫瘍「細胞免疫療法総論」2007

    • Author(s)
      安川正貴
    • Publisher
      日本臨床社
    • Related Report
      2007 Annual Research Report
  • [Book] 造血器腫瘍「細胞免疫療法各論」2007

    • Author(s)
      安川正貴
    • Publisher
      日本臨床社
    • Related Report
      2007 Annual Research Report
  • [Book] 造血器腫瘍「細胞免疫療法(各論)」2007

    • Author(s)
      安川正貴
    • Publisher
      日本臨床社
    • Related Report
      2006 Annual Research Report

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Published: 2006-04-01   Modified: 2018-03-28  

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