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2023 Fiscal Year Final Research Report

Development of a PET probe targeting mutant LRRK2 to elucidate the pathogenesis of Parkinson's disease.

Research Project

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Project/Area Number 21K07632
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52040:Radiological sciences-related
Research InstitutionNational Institutes for Quantum Science and Technology

Principal Investigator

Mori Wakana  国立研究開発法人量子科学技術研究開発機構, 量子医科学研究所 先進核医学基盤研究部, 研究員 (30835442)

Co-Investigator(Kenkyū-buntansha) 藤永 雅之  国立研究開発法人量子科学技術研究開発機構, 量子医科学研究所 先進核医学基盤研究部, 主幹研究員 (70623726)
山崎 友照  国立研究開発法人量子科学技術研究開発機構, 量子医科学研究所 先進核医学基盤研究部, 主任研究員 (80627563)
Project Period (FY) 2021-04-01 – 2024-03-31
KeywordsLRRK2 / パーキンソン病
Outline of Final Research Achievements

The underlying causes of Parkinson's disease (PD) remain largely unknown, and a cure has yet to be established. However, causative genes have been identified, and mutations in Leucine rich-repeat kinase 2 (LRRK2) have been reported as one of the most frequently observed hospital genes. In this study, we developed a PET probe that targets mutant LRRK2, which contributes to the elucidation of the pathogenesis of PD, which is still unknown, and examined its efficacy against LRRK2 in small animals.

Free Research Field

放射線化学

Academic Significance and Societal Importance of the Research Achievements

本研究では、LRRK2に対して有用な化合物をリード化合物とし、標識合成可能な化合物を選定した。前駆体および標品の合成に成功し、さらに短寿命核種の標識化合物も安定的に効率よく合成に成功した。In vitro ARGにおいてそれぞれの集積に差が出たため、さらにLRRK2に対して親和性が高い化合物を見つけることでPDの病態解明に役立つことが期待される。

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Published: 2025-01-30  

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