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2023 Fiscal Year Final Research Report

Analysis of the mechanism in remodeling of pancreatic tumor microenvironment by epigenetic modification

Research Project

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Project/Area Number 21K07886
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionThe University of Tokyo

Principal Investigator

Nakai Yousuke  東京大学, 医学部附属病院, 准教授 (80466755)

Co-Investigator(Kenkyū-buntansha) 立石 敬介  東京大学, 医学部附属病院, 届出研究員 (20396948)
高橋 良太  東京大学, 医学部附属病院, 助教 (80647660)
Project Period (FY) 2021-04-01 – 2024-03-31
Keywords膵臓癌 / エピジェネティクス / オルガノイド
Outline of Final Research Achievements

In pancreatic cancer, it is reported that in addition to genetic mutations, epigenetics is playing an important role. In this study, we conducted a drug screening test using patient-derived organoid culture system to investigate in the possibility that cells in tumor microenvironment surrounding tumor cells, such as immune cells and fibroblasts are affected by regulating epigenetic modification of cancer cells, thereby leading to a novel therapy of pancreatic cancer. As a result, we found four chemicals targeting epigenetic modification which show anti-tumor effects on pancreatic cancer.

Free Research Field

消化器内科学

Academic Significance and Societal Importance of the Research Achievements

膵臓癌におけるエピジェネティクスの重要性が示唆されているが、腫瘍進展における詳細な役割や治療標的としての可能性はまだ明らかになっていない。本研究で同定された化合物は患者由来の膵臓癌オルガノイドに対して広範な抗腫瘍効果を示しており、エピジェネティクスが膵臓癌の治療標的となる可能性が示唆された。今後さらに検討を進め、マウスへの移植実験等により免疫細胞や線維芽細胞といった腫瘍微小環境への影響やその意義について明らかにすることを目指す。

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Published: 2025-01-30  

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