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Comprehensive analysis of acute encephalitis with unknown aetiology in children.

Research Project

Project/Area Number 26860418
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Epidemiology and preventive medicine
Research InstitutionOita University

Principal Investigator

Matsumoto Takashi  大分大学, 医学部, 特任助教 (50609667)

Research Collaborator AHMED Kamruddin  マレーシア国立サバ大学, 医学部, 教授
MORI Daisuke  マレーシア国立サバ大学, 医学部, 講師
FUJIMOTO Tamotsu  大分こども病院, 院長
NISHIZONO Akira  大分大学, 医学部・微生物学講座, 教授
Project Period (FY) 2014-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords小児急性脳炎 / ウイルス感染症 / 原因不明脳炎 / 遺伝子診断 / 分子疫学 / 大分県 / 次世代シーケンス / ウイルス性脳炎 / 遺伝子検査
Outline of Final Research Achievements

More than half of cases of encephalitis remain unknown. We examined the causative virus in cerebrospinal fluid samples from encephalitis children with unknown aetiology by RT-PCR. The nucleotide sequence of viral gene was identified by direct-sequencing of PCR products and phylogenetic analysis was conducted. Human adenovirus, Human herpesvirus, Human enterovirus, Human parechovirus, Human bocavirus and Human echovirus were detected in cerebrospinal fluid samples from encephalitis children. It indicated these viruses might be considered as the causative pathogen of encephalitis in children in Oita, Japan. Moreover, we evaluated high-sensitivity detection method for viral encephalitis using next generation sequencing.

Report

(5 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (5 results)

All 2017 Other

All Int'l Joint Research (2 results) Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Remarks (2 results)

  • [Int'l Joint Research] マレーシア国立サバ大学(マレーシア)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] スリランカ保健省(スリランカ)

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Terrestrial Animal-Derived Rabies Virus in a Juvenile Indian Flying Fox in Sri Lanka2017

    • Author(s)
      Matsumoto T, Nanayakkara S, Perera D, Ushijima S, Wimalaratne O, Nishizono A, Ahmed K.
    • Journal Title

      Japanese Journal of Infectious Diseases

      Volume: 70 Issue: 6 Pages: 693-695

    • DOI

      10.7883/yoken.JJID.2017.249

    • NAID

      130006210301

    • ISSN
      1344-6304, 1884-2836
    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Remarks] 大分大学医学部 環境・予防医学講座

    • URL

      http://www.med.oita-u.ac.jp/phealth2/

    • Related Report
      2017 Annual Research Report
  • [Remarks] 大分大学医学部 微生物学講座

    • URL

      http://www.med.oita-u.ac.jp/biseibut/

    • Related Report
      2017 Annual Research Report

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Published: 2014-04-04   Modified: 2019-03-29  

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