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2020 Fiscal Year Final Research Report

Identification of synthetic lethal genes with PARP in prostate cancer

Research Project

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Project/Area Number 19K18610
Research Category

Grant-in-Aid for Early-Career Scientists

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

Principal Investigator

Ishizuya Yu  大阪大学, 医学系研究科, 招へい教員 (00783854)

Project Period (FY) 2019-04-01 – 2021-03-31
Keywords前立腺癌 / 合成致死 / DNA損傷
Outline of Final Research Achievements

By genome-wide loss-of-function screening using three prostate cancer cell lines, we obtained gene candidates for synthetic lethal with PARP. Genes related to DNA damage and DNA replication were identified in addition to homologous recombination repair. These genes show synergistic effects when they are simultaneously inhibited by PARP and are promising therapeutic targets.

Free Research Field

前立腺癌

Academic Significance and Societal Importance of the Research Achievements

去勢抵抗性前立腺癌に対するPARP阻害療法は有望な治療法であるものの、現時点での治療対象は相同組み換え修復欠損を有する症例に限定されており、奏効期間も限られている。当研究ではPARPと合成致死を示す新たな遺伝子を明らかとした。PARPと同時に阻害することで、これまで無効と考えられた症例にも奏効する可能性があり、新規治療につながるものと考えている。

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Published: 2022-01-27  

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