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2023 Fiscal Year Final Research Report

Elucidation of the mechanisms of non respiratory severe symptoms in rhinovirus-positive patients

Research Project

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Project/Area Number 21K17282
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 58020:Hygiene and public health-related: including laboratory approach
Research InstitutionOsaka University (2023)
Osaka Institute of Public Health (2021-2022)

Principal Investigator

Okada Kazuma  大阪大学, 感染症総合教育研究拠点, 特任助教(常勤) (50806354)

Project Period (FY) 2021-04-01 – 2024-03-31
Keywordsライノウイルス / 感冒
Outline of Final Research Achievements

Rhinovirus is the causative agent of respiratory tract infections. However, there have been a few cases where rhinoviruses were detected in patients with non-respiratory tract symptoms (nRTS), such as myocarditis and encephalitis. In this study, we performed a genetic analysis of rhinoviruses detected in patients with nRTS. The results showed that the serotype A105 was detected exclusively in patients with nRTS. Three patients with serotype A105 were admitted to different hospitals in various months, suggesting that a specific serotype might be involved in the pathogenesis of rhinovirus-induced nRTS.

Free Research Field

ウイルス学

Academic Significance and Societal Importance of the Research Achievements

一般的な風邪の原因ウイルスであるライノウイルスが、下気道感染症のみならず、脳炎や心筋炎・心膜炎を呈した重症患者から検出されている。しかし呼吸器症状以外の患者症状に焦点を当てたライノウイルス感染症の研究は非常に限られており、その病原性発現機序はほとんど不明である。そのような背景の中、本研究では非呼吸器症状を示した患者より検出されたライノウイルスの解析を行い、特定の血清型が非呼吸器症状の発現に関与する可能性を示唆した。本研究は未だ不明な点が多く残るライノウイルスの病原性発現機序の解明に貢献するものである。

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Published: 2025-01-30  

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