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An attempt to identify a gene for alopecia areata (2nd phase)

Research Project

Project/Area Number 25461712
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Dermatology
Research InstitutionJuntendo University

Principal Investigator

Ikeda Shigaku  順天堂大学, 医学部, 教授 (40193198)

Co-Investigator(Kenkyū-buntansha) OKA Akira  東海大学, 医科学研究所, 講師 (80384866)
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords円形脱毛症 / マイクロサテライト / GWAS / ゲノム解析 / ゲノム編集 / 疾患遺伝子 / 遺伝子 / ノックアウトマウス / ノックインマウス / alopecia areata / gene
Outline of Final Research Achievements

During the fiscal year of 2013-2015, we have done genome-wide association study of alopecia areata (AA) patients by utilizing microsatellite markers. In addition, we have also examined by using SNP markers and next-generation sequencing, and have obtained below-mentioned results.
1) We have identified strongest association of AA at HLA-C locus within HLA lesion (OR: 3.41). 2) 28 haplotypes were detected, and 1 of them was found to contain responsible gene for AA. 3) 5 risk and 3 non-risk haplotypes were examined by next generation sequencer, and an exonic non-synonymous single nucleotide variant, which was common to all risk haplotype, was only detected. We are now trying to generate gene modified mouse model, and examine its phenotype.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (4 results)

All 2015 2013

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Association analysis of the HLA-C gene in Japanese alopecia areata.2013

    • Author(s)
      Haida Y, Ikeda S, Takagi A, Komiyama E, Mabuchi T, Ozawa A, Kulski JK, Inoko H, Oka A.
    • Journal Title

      Immunogenetics

      Volume: 65 Pages: 553-7

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] MHC risk haplotype sequencing indentifies a gene as susceptibility gene for Alopecia Areata2015

    • Author(s)
      池田志斈、込山悦子、岡 晃
    • Organizer
      World Congress of Dermatology
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      2015-06-08 – 2015-06-12
    • Related Report
      2014 Research-status Report
  • [Presentation] MHC risk haplotype sequencing identifies a susceptibility gene for alopecia areata2015

    • Author(s)
      Shigaku IKEDA, Etsuko KOMIYAMA, Atsushi TAKAGI, Akira OKA
    • Organizer
      23rd World Congress of Dermatology
    • Place of Presentation
      Vancouver, Canada
    • Year and Date
      2015-06-08
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] An association study of alopecia areata using microsatellite markers within major histocompatibility complex2013

    • Author(s)
      Ikeda S, Takagi A, Komiyama E, et al
    • Organizer
      World Congress for Hair Research
    • Place of Presentation
      Edinbough, UK
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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