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2023 Fiscal Year Final Research Report

Identification of GPCR which activates FAK-YAP signaling and promotes castration-resistant growth of prostate cancer

Research Project

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Project/Area Number 21K16753
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 56030:Urology-related
Research InstitutionChiba University

Principal Investigator

Goto Yusuke  千葉大学, 大学院医学研究院, 助教 (00710576)

Project Period (FY) 2021-04-01 – 2024-03-31
Keywords前立腺癌 / 去勢抵抗性増殖 / ムスカリン受容体
Outline of Final Research Achievements

Small RNA-seq and bioinformatic method showed that miR-15b-5p regulates expression of muscarinic receptor 3 (CHRM3), and that regulation of CHRM3 by miR-15b-5p can inhibit activation of YAP signaling induced by CHRM3. microRNA-15b-5p/m3/YAP signaling axis is a novel pathway which promotes castration-resistant growth of PCa. Our findings provide novel mechanisms of muscarinic-signal-driven CRPC progression.

Free Research Field

泌尿器科学

Academic Significance and Societal Importance of the Research Achievements

本研究成果により、miR-15b-5p/CHRM3/YAPシグナルの活性化が前立腺癌の去勢抵抗性増殖の機序の一因と考えられた。前立腺癌の神経依存的な去勢抵抗性増殖がこれまで報告されているが、その原因として、機能性RNAによるムスカリン受容体の遺伝子発現変化が示された。本研究成果は、前立腺癌のアンドロゲン受容体に依存しない去勢抵抗性増殖の機序の解明の一助となりうると考えられた。

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Published: 2025-01-30  

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