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Development of differential diagnostics for various arboviruses

Research Project

Project/Area Number 18K08434
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54030:Infectious disease medicine-related
Research InstitutionNagasaki University

Principal Investigator

INOUE Shingo  長崎大学, 熱帯医学研究所, 教授 (00346925)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords黄熱ウイルス / デングウイルス / エピトープブロッキングELISA / モノクローナル抗体 / 血清交差反応 / IgM抗体 / IgG抗体 / フラビウイルス / ELISA / IgG検出系 / IgM検出系 / 大腸菌タンパク発現系 / エンベロープタンパク / エンベロープ蛋白 / NS1蛋白 / アルボウイルス / 血清診断 / アフリカ
Outline of Final Research Achievements

The aim of this project was to develop the deferential diagnostic system between flaviviruses (yellow fever (YFV) versus dengue virus (DENV)) using IgM or IgG detection Epitope blocking (EB) ELISA system.
Regarding the IgG detection EB ELISA system, YFV vaccinated person’s serum was successfully detected using this system. However, IgM detection system was not able to evaluate this system due to the lack of YFV naturally infected patient sera which shows high IgM antibody titer.

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的意義は、黄熱とデング熱といった同じウイルス科に属し血清交差反応を示すフラビウイルス感染症が共に存在している地域において明確に区別を付けられることで正確な診断が可能になり、感染症流行状況の把握が出来るという点である。さらに、デング熱の場合二次感染であれば重症化し、デング出血熱やデングショック症候群にもなるため、デングウイルス感染症であるか否かの診断法の開発は社会的に大変意義のあるものである。今回は黄熱の診断ができたところで終わってしまったが、本件作法でデング熱でないことを判定できれば鑑別診断法の開発として一歩前進したことになると考える。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2021 2020

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

  • [Journal Article] Development and Evaluation of Quantitative Immunoglobulin G Enzyme-Linked Immunosorbent Assay for the Diagnosis of Coronavirus Disease 2019 Using Truncated Recombinant Nucleocapsid Protein as Assay Antigen.2021

    • Author(s)
      Mutantu PN, Ngwe Tun MM, Nabeshima T, Yu F, Mukadi PK, Tanaka T, Tashiro M, Fujita A, Kanie N, Oshiro R, Takazono T, Imamura Y, Hirayama T, Moi ML, Inoue S, Izumikawa K, Yasuda J, Morita K.
    • Journal Title

      Int J Environ Res Public Health.

      Volume: 18 Issue: 18 Pages: 1-14

    • DOI

      10.3390/ijerph18189630

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] “Research activities of overseas Research Station under COVID-19 pandemic situation in Kenya”2021

    • Author(s)
      Shingo Inoue
    • Organizer
      第62回日本熱帯医学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] “Development and Evaluation of P.O.C. tests for Rift Valley fever Diagnosis”2021

    • Author(s)
      Shingo Inoue
    • Organizer
      5th AIBBC Conference
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Development of quantitative Immunoglobulin G Enzyme-Linked Immunosorbent Assay for the diagnosis of coronavirus disease 2019 (COVID 19)2020

    • Author(s)
      Pierre Mutantu
    • Organizer
      Joint Congress on Global Health 2020 in Osaka
    • Related Report
      2020 Research-status Report

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Published: 2018-04-23   Modified: 2024-12-25  

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