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2022 Fiscal Year Final Research Report

Elucidation of HTLV-1 pathogenesis by multidirectional and high-resolution research technique with longitudinal clinical samples

Research Project

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Project/Area Number 20H03724
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 54030:Infectious disease medicine-related
Research InstitutionKumamoto University

Principal Investigator

SATOU YORIFUMI  熊本大学, ヒトレトロウイルス学共同研究センター, 教授 (70402807)

Co-Investigator(Kenkyū-buntansha) 末岡 榮三朗  佐賀大学, 医学部, 教授 (00270603)
梅北 邦彦  宮崎大学, 医学部, 准教授 (20506084)
Project Period (FY) 2020-04-01 – 2023-03-31
Keywords慢性持続ウイルス感染症 / HTLV-1 / ATL / HAM
Outline of Final Research Achievements

We have been collecting clinical sample and information in the clinic in Saga and Miyazaki University hospital. We also analyze status of HTLV-1 infection by using HAS-flow. We observed high background signal in Tb assay in HTLV-1 positive RA patients. We identified that the reason may be immune response against HTLV-1 antigen during the Tb test. We also performed single cell analysis using PBMCs from asymptomatic carriers and ATL patients. We published the study result in JCI 2022. Further research would be required to elucidate pathogenesis of HTLV-1 infection.

Free Research Field

感染症内科

Academic Significance and Societal Importance of the Research Achievements

HTLV-1は様々な細胞種に感染するものの腫瘍化する細胞はCD4+T細胞である。シングルセルデータ解析によって、HTLV-1によるT細胞腫瘍化のプロセスを可視化することに成功し、ウイルスがん化メカニズムの一端を明らかにすることが出来た。早期発症予防法の確立に向けた基盤となるデータ取得が行われた。また、HTLV-1陽性のリウマチ患者の臨床情報、検体収集、T spot検査異常に関する知見を深めることが出来た。

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Published: 2024-01-30  

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