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2019 Fiscal Year Final Research Report

Development of anticancer drug targeting choline transporter by drug repositioning

Research Project

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Project/Area Number 17K08315
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pharmacology in pharmacy
Research InstitutionTokyo Medical University

Principal Investigator

Inazu Masato  東京医科大学, 医学部, 教授 (00297269)

Project Period (FY) 2017-04-01 – 2020-03-31
Keywordsコリン / トランスポーター / がん治療
Outline of Final Research Achievements

A novel choline transporter-like protein 1 (CTL1) was found to be highly expressed in cancer cells, and its inhibition induced apoptosis and suppressed cell growth. Furthermore, the search for CTL1 inhibitors from existing pharmaceutical and plant-derived organic compound libraries led to the discovery of promising isoquinoline derivatives. This hit compound may be a candidate for a new molecularly targeted cancer drug with a novel therapeutic mechanism.

Free Research Field

薬理学

Academic Significance and Societal Importance of the Research Achievements

本研究は、これまでの抗がん剤が標的としていない新規のがん治療標的分子であるcholine transporter-like protein 1 (CTL1)を見出し、このCTL1を阻害しアポトーシスによる細胞死を誘導する化合物を発見した。本ヒット化合物のメカニズムも明らかにし、癌細胞移植ヌードマウスにて抗腫瘍効果を確認した。本研究における成果は、新たな分子標的治療薬の開発に繋がり、予防・治療医学および創薬科学への発展に貢献するものである。

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Published: 2021-02-19  

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