2021 Fiscal Year Final Research Report
Development of personalized treatment for ATL with PRMT5 inhibitor using MTAP as an indicator
Project/Area Number |
19K08868
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Review Section |
Basic Section 54010:Hematology and medical oncology-related
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Research Institution | Nagasaki University |
Principal Investigator |
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Co-Investigator(Kenkyū-buntansha) |
安東 恒史 長崎大学, 原爆後障害医療研究所, 助教 (90571357)
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Project Period (FY) |
2019-04-01 – 2022-03-31
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Keywords | ATL / PRMT5 / MTAP |
Outline of Final Research Achievements |
In some of the patients with adult T-cell leukemia (ATL), defect of Methyolthioadenosine phosphorylase(MTAP)gene or decreased expression of MTAP has already been reported in leukemic cells. Recently, Protein arginine methyltransferase 5 (PRMT5) has been detected as a target for MTAP-deficient tumor cells. In this study, we evaluated the effect of PRMT5 inhibitor for MTAP-deficient ATL, and detect prolyl hydroxylase 2 (PHD2) as a target of PRMT5 inhibitor for ATL.
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Free Research Field |
血液内科学
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Academic Significance and Societal Importance of the Research Achievements |
ATLは難治性疾患であり新規治療法の開発が求められている。本研究では、MTAP欠損ATL細胞に対するPRMT5阻害薬の有効性を示した。さらに、網羅的解析によりPRMT5の標的分子としてPHD2を同定した。PHD2阻害薬は単独でATL細胞の増殖を抑制し、さらにPRMT5阻害薬との併用で相乗効果を示した。このことから、PRMT5阻害薬とPHD2阻害薬による併用療法がMTAPを指標としたATLに対する新規治療法となる可能性が示された。
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