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Analysis of the producing mechanism of deglycosylated IgA in tonsil

Research Project

Project/Area Number 19791231
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Otorhinolaryngology
Research InstitutionKitasato University

Principal Investigator

ITOH Akihiko  Kitasato University, 医学部, 講師 (10317026)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,420,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥420,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2007: ¥1,600,000 (Direct Cost: ¥1,600,000)
Keywords扁桃 / IgA腎症 / 糖鎖不全 / IgA1 / ムチン型糖鎖 / 紫斑病 / シアル酸 / レクチン / 酸処理 / IgA / N-結合型糖鎖 / 腎症 / 3次元マップ法
Research Abstract

IgA腎症やHenoch-Schonlein紫斑病(HSP)の患者血清中のIgA1、あるいは扁桃から産生されるIgA1には糖鎖不全が多いことを報告されている。これらの抗体と反応する他の抗原がないか検索したところ、κ-カゼインに反応性があることを認めた。また、血清型糖鎖の解析を行ったところ、異常IgA1と扁桃IgA1ではムチン型糖鎖だけでなく血清型糖鎖にも通常とは組成が異なるものが認められた。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (7 results)

All 2008 2007

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (4 results)

  • [Journal Article] Possibility of the participation of foreign antigenic structure with aberrantly glycosilated IgA1 to the onset of IgA nephropathy and Henoch-Schonlein purupura2008

    • Author(s)
      A. Itoh, H. Iwase, T. Yamakawa, N. Iwanami, E. Nagata, K. Nakamura, Y. Kobayashi, H. Odani, Y. Hiki, M. Okamoto
    • Journal Title

      Kitasato Med J 38

      Pages: 152-160

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Similarities between N-glycan glycoform of tonsillar IgA1 and that of aberrant IgA1 abundant in IgA nephropathy patient serum.2008

    • Author(s)
      N. Iwanami , H. Iwase , N. Takahashi , K. Kato , A. Itoh , T. Takatani, S. Makita, Y. Kobayashi , M. Okamoto, S. Nakamura , Y. Hiki , M. Ishii.
    • Journal Title

      J Nephrol 21

      Pages: 18-26

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Possibility of participation of foreign antigen having a common antigenic structure with aberrantly glycosylated IgAl to the onset of IgA nephropathy and Henoch?Scbnlein pulpura2008

    • Author(s)
      Akihiko Itoh
    • Journal Title

      The Kitasato Medical Journal 38

      Pages: 152-160

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 扁桃IgA1、血清IgA1と異常IgA1のN-結合型糖鎖の類似性について2008

    • Author(s)
      伊藤昭彦
    • Organizer
      日本口腔咽頭科学会
    • Place of Presentation
      鹿児島
    • Year and Date
      2008-09-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 扁桃IgA1、血清IgA1と異常IgA1のN-結合型糖鎖の類似性について.2008

    • Author(s)
      伊藤昭彦・岩瀬仁勇・岡本牧人
    • Organizer
      第21回口腔咽頭科学会
    • Place of Presentation
      鹿児島
    • Related Report
      2008 Final Research Report
  • [Presentation] IgA腎症患者扁桃の抗kカゼイン抗体活性について2007

    • Author(s)
      伊藤 昭彦
    • Organizer
      日本口腔咽頭学会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-09-07
    • Related Report
      2007 Annual Research Report
  • [Presentation] IgA腎症患者扁桃の抗κカゼイン抗体活性について2007

    • Author(s)
      伊藤昭彦・岩瀬仁勇・岡本牧人
    • Organizer
      第20回口腔咽頭科学会
    • Place of Presentation
      名古屋
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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