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Role of PARK7 in nonalcoholic steatohepatitis and its application for diagnosis

Research Project

Project/Area Number 26460989
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Gastroenterology
Research InstitutionNiigata University

Principal Investigator

Takamura Masaaki  新潟大学, 医歯学系, 助教 (20422602)

Co-Investigator(Kenkyū-buntansha) 山際 訓  新潟大学, 医歯学系, 准教授 (10419327)
Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2016: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
KeywordsPARK7 / NASH / NAFLD
Outline of Final Research Achievements

We analyzed the role of PARK7 in nonalcoholic steatohepatitis (NASH). PARK7 immunoreactivity was present mainly in the hepatocyte nucleus in patients with NAFLD. There was a stepwise increase in the percentage of hepatocyte nuclei positive for PARK7 from control to NAFL to NASH (p<0.001). Also, the grade of inflammation correlated positively with the percentage of hepatocyte nuclei positive for PARK7 (p=0.018). Conversely, there was a stepwise decrement in serum PARK7 levels from control to NAFL to NASH (p<0.001). Expression and nuclear accumulation of PARK7 may partly contribute to the pathogenesis of NASH. The level of PARK7 in serum may be a promising biomarker for NASH.

Report

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

    (4 results)

All 2016 2015 2014

All Presentation (4 results)

  • [Presentation] NASHモデルマウスの病初期における肝組織のプロテオーム解析2016

    • Author(s)
      高村昌昭、許波、山際訓、山本格、寺井崇二
    • Organizer
      33.第37回日本肥満学会
    • Place of Presentation
      東京ファッションタウン(東京都江東区)
    • Related Report
      2016 Annual Research Report
  • [Presentation] DJ-1 labeling index is a novel diagnostic biomarker for predicting progression of nonalcoholic steatohepatitis2015

    • Author(s)
      Masaaki Takamura, Satoshi Yamagiwa, Yasunobu Matsuda, Minoru Nomoto, Toshifumi Wakai, Shuji Terai
    • Organizer
      The 66th Annual Meeting of the American Association for the Study of Liver Diseases
    • Place of Presentation
      Moscone West Convention Center, San Francisco, California, USA
    • Year and Date
      2015-11-13
    • Related Report
      2015 Research-status Report
  • [Presentation] NASHにおけるDJ-1発現および血清DJ-1濃度測定の有用性とその意義2015

    • Author(s)
      高村昌昭、山際訓、野本実、青柳豊、寺井崇二
    • Organizer
      第2回 肝臓と糖尿病・代謝研究会
    • Place of Presentation
      シーモールパレス(山口県下関市)
    • Year and Date
      2015-05-23
    • Related Report
      2015 Research-status Report
  • [Presentation] 非アルコール性脂肪肝炎における DJ-1 発現の有用性の検討2014

    • Author(s)
      高村昌昭、許波、山際訓、松田康伸、野本実、若井俊文、山本格、青柳豊
    • Organizer
      第18回、日本肝臓学会大会
    • Place of Presentation
      神戸国際展示場(兵庫県神戸市)
    • Year and Date
      2014-10-23 – 2014-10-26
    • Related Report
      2014 Research-status Report

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

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