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ヒト神経系におけるガングリオシド分布様式

Research Project

Project/Area Number 15790456
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Neurology
Research InstitutionDokkyo Medical University

Principal Investigator

小鷹 昌明  獨協医科大学, 医学部, 助手 (50322409)

Project Period (FY) 2003 – 2004
Project Status Completed (Fiscal Year 2004)
Budget Amount *help
¥3,400,000 (Direct Cost: ¥3,400,000)
Fiscal Year 2004: ¥1,300,000 (Direct Cost: ¥1,300,000)
Fiscal Year 2003: ¥2,100,000 (Direct Cost: ¥2,100,000)
Keywordsギラン・バレー症候群 / ガングリオシド / GD1b / モノクローナル抗ガングリオシド抗体 / Gullain-Barre症候群
Research Abstract

ウシ脳ガングリオシド,各種合成ガングリオシド,Campylobacter jejuniリポオリゴ糖感作によるモノクローナル抗ガングリオシド抗体作成を試みた.アジュバンドを加え調整したウシ脳ガングリオシドや各種合成ガングリオシド,Guillain-Barre症候群患者から分離されたC.jejuniリポオリゴ糖を,1週間毎にGD3合成酵素ノックアウトマウスあるいは,GM2/GD2合成酵素ノックアウトマウスに繰り返し感作した.経時的に採血し,ELISAを用いて抗ガングリオシド抗体を測定し,抗体の上昇が極期に達した時点で,マウスの脾臓を摘出した.ポリエチレングリコール法を用いて脾細胞とミエローマ細胞との融合細胞を作成し,細胞を培養した.IgG抗GM1抗体を始めとするIgG抗GQ1b抗体,IgG抗GD1b抗体など,38種類の各種モノクローナル抗ガングリオシド抗体産生クローンを樹立した.得られたクローンを培養し十分量のモノクローナル抗体を得た.
得られた免疫グロブリン可変部領域のアミノ酸配列をジデオキシ法でシークエンシングし,抗体特性を検討した.神経組織における各種ガングリオシドの発現パターンを検討し,組織,細胞レベルでの局在を明らかにするために,免疫組織化学的に一連のモノクローナル抗ガングリオシド抗体を反応させた.ラットの小脳脊髄神経,末梢神経を摘出し,固定後神経組織の薄層切片を作成し,モノクローナル抗GD1b抗体を用いてラット後根神経節にGD1bが局在することを確認し,固有感覚に関与するパルブアルブミンと共に局在することを明らかにした.
その成果について、平成16年9月の国際神経免疫学会で口演した.さらに,筆頭著者としてJournal of Neuroimmunology投稿へ向けて準備中であり,ほぼ完成した.

Report

(2 results)
  • 2004 Annual Research Report
  • 2003 Annual Research Report

Research Products

(12 results)

All 2004 Other

All Journal Article (6 results) Publications (6 results)

  • [Journal Article] Ataxic Guillain-Barre syndrome associated with anti-GM1b and anti-Ga1NAc-GD1a antibodies.2004

    • Author(s)
      Odaka M, Yuki N, Tatsumoto M, Tateno M, Hirata K.
    • Journal Title

      Journal of Neurology 251

      Pages: 24-29

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Longitudinal changes of anti-ganglioside antibodies before and after Guillain-Barre syndrome onset subsequent to Campylobacter jejuni enteritis.2004

    • Author(s)
      Odaka M, Koga M, Yuki N, Susuki K, Hirata K.
    • Journal Title

      Pediatrics 2

      Pages: 22-23

    • Related Report
      2004 Annual Research Report
  • [Journal Article] The usefulness of anti-GQ1b IgG antibody testing in Fisher syndrome : comparison with cerebrospinal fluid examination.2004

    • Author(s)
      Nishimoto Y, Odaka M, Hirata K, Yuki N.
    • Journal Title

      Journal of Neuroimmunology 148

      Pages: 200-205

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Acute motor axonal neuropathy after Mycoplasma infection : evidence of molecular mimicry.2004

    • Author(s)
      Susuki K, Odaka M, Nori M, Hirata K, Yuki N.
    • Journal Title

      Neurology 62

      Pages: 949-956

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Carbohydrate mimicry between human ganglioside GM1 and Campylobacter jejuni lipo-oligosaccharide causes Guillain-Barre syndrome2004

    • Author(s)
      Yuki N, Susuki X, Koga M, Nishimoto Y, Odaka M, Hirata K, Taguchi K, Miyatake T, Furukawa K, Kobata T, Yamada M.
    • Journal Title

      Proceeding of the National Academy of Sciences of the United States of America 101

      Pages: 11404-11409

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Intractable chronic inflammatory demyelinating polyneuropathy treated successfully with ciclosporin.

    • Author(s)
      Odaka M, Yuki N, Tatsumoto M, Susuki K, Hirata K.
    • Journal Title

      Journal of Neurology Neurosurgery and Psychiatry (in press)

    • Related Report
      2004 Annual Research Report
  • [Publications] Odaka M, Yuki N: "Antibodies to GM2 ganglioside in neurological disorders."Intern Med. 42・3. 220-221 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Odaka M, Koga M, Yuki N, Susuki K, Hirata K: "Longitudinal changes of anti-ganglioside antibodies before and after Guillain-Barre syndrome onset subsequent to Campylobacter jejuni enteritis."J Neurol Sci. 210・1-2. 99-103 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Odaka M, Yuki N, Kokubun N, Hirata K, Kuwabara S: "Axonal Guillain-Barre syndrome associated with axonal Charcot-Marie-Tooth disease."J Neurol Sci. 211・1-2. 93-97 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Odaka M, Yuki N, Hirata K: "Patients with chronic inflammatory demyelinating polyneuropathy initially diagnosed as Guillain-Barre syndrome."J Neurol. 250・8. 913-916 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Odaka M, Yuki N, Yamada M, Koga M, Hirata K, Takemi T, Kuwabara S: "Clinical features of Bickerstaffs brainstem encephalitis : analysis of 62 cases and a subgroup associated with Guillain-Barre syndrome."Brain. 126・10. 2279-2290 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Odaka M, Yuki N, Tatsumoto M, Tateno M, Hirata K: "Ataxic Guillain-Barre syndrome associated with anti-GM1b and anti-GalNAc-GD1a antibodies."J Neurol. 251・1. 24-29 (2004)

    • Related Report
      2003 Annual Research Report

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Published: 2003-03-31   Modified: 2016-04-21  

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