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Dynamics of cellular components of bullae in bullous pemphigoid

Research Project

Project/Area Number 26461664
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Dermatology
Research InstitutionOsaka City University

Principal Investigator

Tsuruta Daisuke  大阪市立大学, 大学院医学研究科, 教授 (90382043)

Co-Investigator(Kenkyū-buntansha) 小澤 俊幸  大阪市立大学, 大学院医学研究科, 講師 (50570602)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsfocal adhesion / BP-IgG / 水疱性類天疱瘡 / ヘミデスモゾーム / フォーカルコンタクト
Outline of Final Research Achievements

We analyzed the compensation of focal adhesion (FA) adhesion after disruption of hemidesmosomes (HD) by bullous pemphigoid (BP-IgG) onto keratinocyte cell culture. The results suggested that expression of FA was inversely up-regulated after down-regulation of HD by BP-IgG, chronologically. The size of FA was increased and the dynamics of FA was decreased after BP-IgG treatment onto keratinocyte by several experiments. This phenomenon maybe explained by compensatory up-regulation of "strength of attachment" by FA from weakend "strength of attachment" by HD. On the other hand, we cannot directly see "strength of attachment" by FAs in itself. We consider that the "strength of attachment" by FA is too weak to be detected by conventional analytical method by us. We have a plan to see it after development of new equipments in the future.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (3 results)

All 2015 2014 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Characterization of two cases of bullous pemphigoid reactive only with BP230 on Japanese enzyme-linked immunosorbent assays.2014

    • Author(s)
      Sasai S, Nishikawa R, Ohzono A, Hayakawa T, Tsuruta D, Kudoh K, Kikuchi T, Hashiguchi M, Ohata C, Furumura M, Koga H, Ishii N, Hashimoto T
    • Journal Title

      Acta Derm Venereol

      Volume: 94 Issue: 6 Pages: 734-736

    • DOI

      10.2340/00015555-1848

    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Book] 今日の診断指針ポケット版2015

    • Author(s)
      鶴田大輔
    • Total Pages
      2103
    • Publisher
      医学書院
    • Related Report
      2015 Research-status Report
  • [Remarks] 自己免疫性水疱症の病態解明と治療法の開発

    • URL

      http://www.med.osaka-cu.ac.jp/Derma/report/reports-01.shtml

    • Related Report
      2014 Research-status Report

URL: 

Published: 2014-04-04   Modified: 2018-03-22  

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