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川崎病の病因の未知抗体をコードする遺伝子探索にもとづく独創的手法による解明と展開

Research Project

Project/Area Number 11877129
Research Category

Grant-in-Aid for Exploratory Research

Allocation TypeSingle-year Grants
Research Field Pediatrics
Research InstitutionGifu University

Principal Investigator

近藤 直実  岐阜大学, 医学部, 教授 (50124714)

Project Period (FY) 1999 – 2000
Project Status Completed (Fiscal Year 2000)
Budget Amount *help
¥2,100,000 (Direct Cost: ¥2,100,000)
Fiscal Year 2000: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1999: ¥1,400,000 (Direct Cost: ¥1,400,000)
Keywords川崎症 / B細胞 / VDJ領域 / CDR3 / 川崎病
Research Abstract

平成12年度は
(1)川崎病患者でみられる抗体をコードしている免疫グロブリン遺伝子を決定するために川崎病患者末消リンパ球からDNAおよびRNAを採集し、RNAからはcDNAを作成した。DNAまたはcDNAを用いて、免疫グロブリン遺伝子のvariable regionのVDJ とconstant regionのCγ部分のprimerを設定して、PCRまたはRT-PCRを用いて増巾させ、またnested PCRを行い、増巾バンドをPC19ベクターにてクローニングした。これから川崎病において使用されているV領域,CDR3領域の塩基配列の特性を決定し、さらにアミノ酸配列を決定した。
(2)川崎病におけるV領域のアミノ酸配列からコンピューターを用いて系統樹を作成したところ予想に反して幅広く分布していたが、一部に集積の傾向が認められた。この集積性が他の既知の抗原、溶連菌、ウイルスなどに対する抗体タンパクのV領域といかなる差異を有するか検討した。
(3)以上の結果をコンピューター分析することにより、幾つかの興味ある結果が得られ、さらに他の検索結果から、川崎病の病因候補の重要な1つとして溶連菌感染が示されつつある。

Report

(2 results)
  • 2000 Annual Research Report
  • 1999 Annual Research Report
  • Research Products

    (16 results)

All Other

All Publications (16 results)

  • [Publications] Kaneko H,Kondo N, et al.: "Expression of the BLM gene in human haematopoietic cells."Clin Exp Immunol. 118. 285-289 (1999)

    • Related Report
      2000 Annual Research Report
  • [Publications] Tashita H,Kondo N, et al.: "Molecular basis of selective IgG2 deficiency : The mutated membrane-bound form of γ2 heavy chain caused complete IgG2 deficiency in two Japanese siblings."J Clin Invest. 101. 677-681 (1998)

    • Related Report
      2000 Annual Research Report
  • [Publications] Kondo N, et al.: "Reduced interferon gamma production by antigen stimulated cord blood mononuclear cells is a risk factor of allergic disorders.-6-year follow-up study."Clin Exp Allergy. 28. 1340-1344 (1998)

    • Related Report
      2000 Annual Research Report
  • [Publications] Kondo N, et al.: "Atopy and mutations of IL-12 receptor β2 chain gene."Clin Exp Allergy. (in press). (2001)

    • Related Report
      2000 Annual Research Report
  • [Publications] Fukao T,Kondo N, et al.: "ATM is upregulated during the mitogenic response in peripheral blood mononuclear cells."Blood. 94. 1998-2006 (1999)

    • Related Report
      2000 Annual Research Report
  • [Publications] Matsui E,Kondo N, et al.: "Mutations of the IL-12 receptor β2 chain gene in some atopic subjects."Biochem Biophy Res Commun. 266. 551-555 (1999)

    • Related Report
      2000 Annual Research Report
  • [Publications] Kondo N, et al.: "Role of IL-12 receptor β2 mutations in development of atopy."Allergy & Clinical Immunology International. 92-94 (2000)

    • Related Report
      2000 Annual Research Report
  • [Publications] 近藤直実: "分子アレルギー学:アトピーとIgE遺伝子"メディカルレビュー社. 599 (1998)

    • Related Report
      2000 Annual Research Report
  • [Publications] Kaneko H, Kondo N,et al.: "Expression of BLM gene in human haematopoietic cells."Clin Exp Immunol. 118. 285-289 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Tashita H, Kondo N,et al.: "Molecular basis of selective Ig G2 deficiency:The mutated membrane-bouond form of γ2 heavy chain caused complete IgG2 deficiency in two Japanese siblings."J Clin Invest. 101. 677-681 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Kondo N,et al.: "Reduced interferon gamma production by antigen stimulated cord blood mononuclear cells is a risk factor of allergic disorders. -6-year follow-up study."Clin Exp Allergy. 28. 1340-1344 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Orii Ke, Kondo N, et al.: "Genes for the human mitochondrial trifunctional protein α-and β-subunits are divergently transcribed from a common promoter region."J Biol Chem. 274. 8077-8084 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Fukao T, Kondo N, et al.: "ATM is uprefulated during the mitogenic response in peripheral blood mononuclear sells."Blood. 94. 1998-2006 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Matsui E, Kondo N, et al.: "Mutations so the IL-12 receptor β2 chain gene in some atopic subjects."Biochem Biophy Res Commun. 266. 551-555 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] 近藤直実: "現代内科学:原発性免疫不全症候群 (1)抗体不全を主とする疾患"金芳堂. 2384 (1997)

    • Related Report
      1999 Annual Research Report
  • [Publications] 近藤直実: "分子アレルギー学:アトピーとIgE遺伝子"メディカルレビュー社. 599 (1998)

    • Related Report
      1999 Annual Research Report

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Published: 1999-04-01   Modified: 2016-04-21  

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