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Pathogenesis of influenza virus-associated encephalopathy of childhood induced in animal model

Research Project

Project/Area Number 23658250
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Applied veterinary science
Research InstitutionHokkaido University

Principal Investigator

UMEMURA Takashi  北海道大学, 大学院・獣医学研究科, 特任教授 (00151936)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2011: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsインフルエンザ性脳症 / リポ多糖体 / 小児 / 血液脳関門 / 高サイトカイン血症 / インフルエンザ脳症 / 感染症 / ウイルス / 脳神経疾患 / 獣医学 / 病理学 / 動物
Research Abstract

In the present study, I demonstrated that influenza virus (IFV) infection to the lungs of suckling mice enhanced encephalopathy and hypercytokinemia due to lipopolysaccharide (LPS) inoculation, and brain pathology, hypercytokinemia and absence of IFV in the brain of the animal model treated with IFV and LPS were similar to IFV-associated encephalopathy of childhood. Furthermore, it was suggested from the present study that the apoptosis of vascular endothelial cell and astrocytes causing increased permeability of blood brain barrier might be the major contributing factor forIFV-associated encephalopathy of childhood.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (4 results)

All 2012 2011 Other

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Remarks (1 results)

  • [Journal Article] CXCL12 improves immune responses to neurotropic virus propagation in the CNS by attracting antigody secreting cells2012

    • Author(s)
      Lee HK, Lee HK, Sunden Y, Sakai Y, Ochiai K, Umemura T
    • Journal Title

      Vet Immunol Microbiol

      Volume: 150 Pages: 19-26

    • Related Report
      2012 Annual Research Report 2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Reintroduction of H5N1 highly pathogenic avian influenza virus by migratory water birds, causing poultry outbreaks in the 2010-2011 winter season in Japan2012

    • Author(s)
      Sakoda Y, Ito H, Uchida Y, Okamatsu M, Yamamot N, Soda K, Nomura N, Kuribayashi S, Shichnohe S, Sunden Y, Umemura T, Usui T, Ozaki H, Yamaguchi T, Murase T, Ito T, Saito T, Takada A, Kida H
    • Journal Title

      J Gen Virol

      Volume: 93 Pages: 541-550

    • NAID

      120005228206

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] Experimental intracerebral vaccination protects mouse from a neurotropic virus by attracting antibody secreting cells to the CNS2011

    • Author(s)
      Lee HK, Sunden Y, Ochiai K, Umemura T
    • Journal Title

      Immunol Lett

      Volume: 139 Pages: 102-109

    • Related Report
      2012 Final Research Report 2011 Research-status Report
    • Peer Reviewed
  • [Remarks]

    • URL

      http://www.researcherid.com

    • Related Report
      2011 Research-status Report

URL: 

Published: 2011-08-05   Modified: 2019-07-29  

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