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2021 Fiscal Year Final Research Report

Analyses of genomic alteration and mechanisms responsible for hepatocarcinogenesis using deep sequencing and human iPS cells

Research Project

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Project/Area Number 19H03635
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionTokyo Medical and Dental University

Principal Investigator

Asahina Yasuhiro  東京医科歯科大学, 大学院医歯学総合研究科, 寄附講座教授 (00422692)

Co-Investigator(Kenkyū-buntansha) 柿沼 晴  東京医科歯科大学, 大学院医歯学総合研究科, 教授 (30372444)
中川 美奈  東京医科歯科大学, 統合教育機構, 准教授 (30401342)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords肝がん / ヒトiPS細胞 / HBV ingtegration
Outline of Final Research Achievements

In this study, genomic factors involved in hepatocarcinogenesis were investigated. We analyzed HCC samples obtained by hepatic resection using a semiconductor sequencer, and clarified the differences in genomic factors among different viral conditions. Based on these findings, genetically mimicked human iPS cells were constructed, and analyzed their phenotype to elucidate the mechanism responsible for hepatocarcinogenesis.

Free Research Field

消化器内科学

Academic Significance and Societal Importance of the Research Achievements

本研究ではHCV排除後やHBV持続感染、及び非ウイルス性肝癌に関わる癌ゲノムプロファイルを明らかとし、ヒトiPS細胞培養技術および遺伝子改変技術を応用した病態解析モデルを開発し、発癌・病態形成機構の解明を進めた。本研究により、未だ根本治療や予防法の存在しない肝癌における、これまでとは視点を異にする新規治療法開発への展開が期待されるとともに、これらの研究手法は他分野に広く応用可能である。

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Published: 2023-01-30  

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