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HTLV-Iによる自己免疫性慢性関節炎発症機構の解明

Research Project

Project/Area Number 15019025
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionThe University of Tokyo

Principal Investigator

岩倉 洋一郎  東京大学, 医科学研究所, 教授 (10089120)

Co-Investigator(Kenkyū-buntansha) 角田 茂  東京大学, 医科学研究所, 助手 (80345032)
須藤 カツ子  東京大学, 医科学研究所, 助手 (50126091)
保田 尚孝  東京大学, 医科学研究所, 講師 (90323641)
Project Period (FY) 2003
Project Status Completed (Fiscal Year 2003)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥5,200,000)
Fiscal Year 2003: ¥5,200,000 (Direct Cost: ¥5,200,000)
Keywordsウイルス / マイクロアレイ / 病態モデル動物 / 関節リウマチ / サイトカイン / トランスジェニックマウス / ノックアウトマウス / HTLV-I
Research Abstract

HTLV-IはATLの原因ウイルスであるが、HAM/TSPやシェグレン症候群などの自己免疫性の疾患への関与も示唆されている。我々はHTWIのtax遺伝子を導入したトランスジェニックマウス(HTLV-I-Tg)を作製し、このウイルスが関節リウマチに良く似た慢性関節炎を引き起こすことを示した。関節炎の発症機構を解析したところ、自己免疫が原因であり、発症にはT細胞のFas感受性の低下とサイトカインの過剰産生が重要な役割を果たしていることがわかった。本研究ではこのマウスを用い、Fasやサイトカインの作用を中心とした自己免疫発症機構の解析を行うとともに、マイクロアレイを用い、HTLV-Iの免疫系に対する作用を解析することを目的とした。本年度は主に活性化T細胞が産生するIL-17に注目し、KOマウスを作製し、関節炎との関与を調べたところ、、CIAやHTLV-I-Tgでの発症率を有意に低下させることが明かとなった。さらに、マイクロアレイ解析により変化が認められた遺伝子のうち、既に2遺伝子のKOマウスを作製した。これらのマウスは外見や、リンパ球の分化等は正常であったが、一特定条件下では免疫系に影響を及ぼすことが示唆されている。

Report

(1 results)
  • 2003 Annual Research Report
  • Research Products

    (38 results)

All Other

All Publications (38 results)

  • [Publications] Li, Y.: "IL-18 gene therapy develops Th1-type immune responses in Leishmania major-infected BALB/c mice : is the effect mediated by the CpG signaling ThR9?"Gene Ther.. (in press). (2004)

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      2003 Annual Research Report
  • [Publications] Kobari, Y.: "T cells accumulating in the inflamed joints of a spontaneous murine model of rheumatoid arthritis become restricted to common clonotypes during disease progression."Int.Immunol.. 16. 131-138 (2004)

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      2003 Annual Research Report
  • [Publications] Ozaki, H.: "Six1 controls patterning of the mouse otic vesicle."Development. 131. 551-562 (2004)

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      2003 Annual Research Report
  • [Publications] Ishida, Y.: "The Essential Involvement of Cross-Talk between IFN-γ and TGF-β in the Skin Wound-Healing Process."J.Immunol.. 172. 1848-1855 (2004)

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      2003 Annual Research Report
  • [Publications] Kurohara, K.: "Essential roles of Meltrin β (ADAM19) in heart development."Dev.Biol.. 267. 14-28 (2004)

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      2003 Annual Research Report
  • [Publications] Ishihara, K.: "The point mutation of tyrosine 759 of the IL-6 family cytokine receptor gp13O synergizes with HTLV-I pX in promoting rheumatoid arthritis-like arthritis."Int.Immunol.. 16. 455-465 (2004)

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      2003 Annual Research Report
  • [Publications] Ishida, Y.: "Essential Involvement of IFN-γ in Clostridium difficile Toxin A-induced Enteritis."J Immunol.. 172. 3018-3925 (2004)

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      2003 Annual Research Report
  • [Publications] Nakaya, T.A.: "Panax ginseng Induces Production of Proinflammatory Cytokines via Toll-like Receptor."J.Inerferon Cytokine Res.. 24. 93-100 (2004)

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      2003 Annual Research Report
  • [Publications] Ikegaya, Y.: "Interleukin-1 β abrogates long-term depression of hippocampal CAl synaptic transmission."Synapse. 47. 54-57 (2003)

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      2003 Annual Research Report
  • [Publications] Kurisaki, T.: "Phenotypic analysis of Meltrin α (ADAM12)-deficient mice : involvement of Meltrin α in adipogenesis and myogenesis."Mol.Cell.Biol.. 23. 55-61 (2003)

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      2003 Annual Research Report
  • [Publications] Sashinami, H.: "Effective Induction of Acquired Resistance to Lisferia monocytogenes by Immunizing Mice with In Vivo-Infected Dendritic Cells."Infect.Immun.. 71. 117-125 (2003)

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      2003 Annual Research Report
  • [Publications] Nakae, S.: "IL-1-induced TNF α elicits inflammatory cell infiltration in the skin by inducing interferon- γ -inducible protein-10 in the elicitation phase of contact hypersensitivity response."Int.Immunol.. 15. 251-260 (2003)

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      2003 Annual Research Report
  • [Publications] Tanaka, J.: "Latent HIV-1 reactivation in transgenic mice requires cell cycle-dependent demethylation of CREB/ATF sites in the LTR."AIDS. 24. 167-175 (2003)

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      2003 Annual Research Report
  • [Publications] Li, H.: "Aberrant responses to acoustic stimuli in mice deficient for neural recognition molecule NB-2."Eur.J.Neurosci.. 17. 483-490 (2003)

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      2003 Annual Research Report
  • [Publications] Ohtaki, H.: "Suppression of oxidative neuronal damage after transient middle cerebral artery occlusion in mice lacking interleukin-1."Neuroscience Res.. 45. 313-324 (2003)

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      2003 Annual Research Report
  • [Publications] Nakae, S.: "Interleukin-1 is required for allergen-specific Th2 cell activation and the development of airway hypersensitivity response."Int Immunol.. 15. 483-490 (2003)

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      2003 Annual Research Report
  • [Publications] Voronoy, E.: "Interleukin 1 is required for tumor invasiveness and angiogenesis."Proc.Nail.Acad.Sci.USA. 100. 2645-2650 (2003)

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  • [Publications] Kirii, H.: "Lack of interleukin-1 β decreases the severity of atherosclerosis in apolipoprotein E-deficient mice."Arterioscier.Thromb.Vasc.Biol.. 23. 656-660 (2003)

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  • [Publications] Kyuwa, S.: "Differences between BALB/c and C57BL/6 mice in mouse hepatitis virus replication in primary hepatocyte culture."Exp.Anim.. 52. 81-84 (2003)

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      2003 Annual Research Report
  • [Publications] Nakae, S.: "IL-17 production from activated T cells is required for the spontaneous development of destructive arthritis in mice deficient in IL-1 receptor antagonist."Proc.Natl.Acad.Sci.USA. 100. 5986-5990 (2003)

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      2003 Annual Research Report
  • [Publications] Asano, M.: "Impaired selectin ligand biosynthesis and reduced inflammatory responses in β-1,4-galactosyltransferase-I-deflcient mice."Blood. 102. 1678-1685 (2003)

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      2003 Annual Research Report
  • [Publications] Wheeler, R.D.: "Interleukin-18 induces expression and release of cytokines from murine glial cells : interactions with interleukin-1β"J.Neurochem.. 85. 1412-1420 (2003)

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      2003 Annual Research Report
  • [Publications] Isoda, K.: "Deficiency of interleukin-1 receptor antagonist promotes neointimal formation after injury."Circulation. 108. 516-518 (2003)

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      2003 Annual Research Report
  • [Publications] Miyake-Nishijima, R.: "Role of Crk-associated substrate lymphocyte type in the pathophysiology of the rheumatoid arthritis in tax transgenic mice and in humans."Arthritis Rheum.. 48. 1890-1900 (2003)

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  • [Publications] Takeda, Y.: "Impaired motor coordination in mice lacking neural recognition molecule NB-3 of the contaction/F3 subgroup."J.Neurobiol.. 56. 252-265 (2003)

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      2003 Annual Research Report
  • [Publications] Matsuki, T.: "IL-1 plays an important role in lipid metabolism by regulating insulin levels under physiological conditions."J.Exp.Med.. 198. 877-888 (2003)

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      2003 Annual Research Report
  • [Publications] Mun, HS.: "Pathogenicity of Toxoplasma gondii through B-2 cell-mediated downregulation of host defense responses."Microbiol.Immunol.. 47. 533-542 (2003)

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      2003 Annual Research Report
  • [Publications] Traka, M.: "Association of Tag-1 with Caspr2 is essential for the molecular organization of juxtaparanodal regions of myelinated fibers."J.Cell.Biol. 162. 1161-1172 (2003)

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  • [Publications] Karlyone, A.: "Immunogenicity of Peptide-25 of Ag85B in Th1 development : role of IFN-γ."Int.immunol.. 15. 1183-1194 (2003)

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      2003 Annual Research Report
  • [Publications] Norose, K.: "IFN-γ-Regulated Toxoplasma gondii Distribution and Load in the Murine Eye."Invest.Ophihalmol.Vis.Sci.. 44. 4375-4381 (2003)

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      2003 Annual Research Report
  • [Publications] Nakae, S.: "Suppression of immune induction of collagen-induced arthritis in IL-17- deficient mice."J.Immunol.. 171. 6173-6177 (2003)

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      2003 Annual Research Report
  • [Publications] Ohtaki, H.: "Suppression of oxidative stress after transient faocal ischemia in interleukin-1 knocknout mice."Acta Neurochir.Suppl.. 86. 191-194 (2003)

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      2003 Annual Research Report
  • [Publications] Iwakura, Y.: "Autoimmune chronic inflammatory arthropathy in mice transgenic for the HTLV-I tax gene."Gann Monograph on Cancer Res.. 50. 95-109 (2003)

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      2003 Annual Research Report
  • [Publications] 西城忍: "自然免疫と関節炎"医学のあゆみ. 205. 92-96 (2003)

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      2003 Annual Research Report
  • [Publications] 角田茂: "トランスジェニックマウスとノックアウトマウスの作製法の最近の進歩"生物工学会誌. 81. 345-357 (2003)

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  • [Publications] 岩倉洋一郎: "炎症、アレルギー病態におけるIL-17の役割"Molecular Medicine(臨時増刊号)免疫2004. 40. 252-258 (2003)

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  • [Publications] Nakae, S.: "Cytokine Knockouts"Humana Press. 15 (2003)

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      2003 Annual Research Report
  • [Publications] 安田二朗: "改訂第4版 新 遺伝子工学ハンドブック(松村正實,山本雅 編集)実験医学別冊"羊土社. 18 (2003)

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Published: 2003-04-01   Modified: 2018-03-28  

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