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A study of neutrophils on diagnosis of the severity in organ dysfunction and the cause of death following hemorrhagic shock

Research Project

Project/Area Number 20590692
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Legal medicine
Research InstitutionUniversity of Occupational and Environmental Health, Japan

Principal Investigator

TANAKA Noriyuki  University of Occupational and Environmental Health, Japan, 医学部, 教授 (60126597)

Co-Investigator(Kenkyū-buntansha) KITA Toshiro  産業医科大学, 医学部, 准教授 (00131912)
TANAKA Toshiko  産業医科大学, 医学部, 講師 (80141745)
SATO Hiroaki  産業医科大学, 医学部, 講師 (50441845)
KASAI Kentaro  産業医科大学, 医学部, 助教 (40169397)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2010: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2009: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords社会医学 / 法医学 / ショック / サイトカイン / 出血性ショック / BUN / クレアチニン
Research Abstract

The role of neutrophils was studied by quantitatively grading four groups of hemorrhaging rats, focused on the kidney, so-called shock organ. As the amount of bleeding increased, the initial activation of p38 mitogen activated protein kinase(MAPK) and the expression of proinflammatory cytokines, such as tumor necrosis factor(TNF)-α and interleukin(IL)-1β, were progressively enhanced. The severity of renal dysfunction, manifested by serum creatinine concentration, was well correlated with the degree of neutrophils accumulation in the kidney. The present results confirmed that the frequency of activated neutrophils recruited into the kidney might be a useful for morphological diagnosis on the severity of renal dysfunction and that the increase of initial p38 MAPK activation following hemorrhagic shock quantitatively enhanced the ensuing inflammatory renal dysfunction in response to the degree and the progression of hemorrhagic shock.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (4 results)

All 2010 Other

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (2 results)

  • [Journal Article] A quantitative study of p38 mitogen activated protein kinase on renal dysfunction following hemorrhagic shock in rats.

    • Author(s)
      H Sato, T Tanaka, K Kasai, N Tanaka
    • Journal Title

      The Journal of Trauma (in press)

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] A quantitative study of p38 mitogen activated protein kinase on renal dysfunction following hemorrhagic shock in rats.

    • Author(s)
      Hiroaki Sato
    • Journal Title

      The Journal of Trauma

      Volume: in press

    • Related Report
      2010 Annual Research Report
  • [Presentation] 出血性ショック時の腎障害と炎症性サイトカインとの関連に関する検討2010

    • Author(s)
      佐藤寛晃,笠井謙多郎,田中敏子,田中宣幸
    • Organizer
      第94次日本法医学会総会
    • Place of Presentation
      東京
    • Year and Date
      2010-06-24
    • Related Report
      2010 Final Research Report
  • [Presentation] 出血性ショック時の腎障害と炎症性サイトカインとの関連に関する検討2010

    • Author(s)
      佐藤寛晃
    • Organizer
      第94次日本法医学会総会
    • Place of Presentation
      東京(タワーホール船橋)
    • Year and Date
      2010-06-24
    • Related Report
      2010 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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