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2021 Fiscal Year Final Research Report

Development of novel therapy for pancreatic cancer based on the regulation of oxidative stress responses

Research Project

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Project/Area Number 19H03631
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionTohoku University

Principal Investigator

Masamune Atsushi  東北大学, 医学系研究科, 教授 (90312579)

Co-Investigator(Kenkyū-buntansha) 濱田 晋  東北大学, 医学系研究科, 助教 (20451560)
田口 恵子  東北大学, 医学系研究科, 准教授 (20466527)
Project Period (FY) 2019-04-01 – 2022-03-31
Keywords膵癌 / 酸化ストレス
Outline of Final Research Achievements

This research project aimed to develop intervention methods for pancreatic cancer according to the Nrf2 activation status. We identified that halofuginone, the inhibitor of Nrf2, represses Aldh3a1 expression. Halofuginone potentiates the effects of the anticancer agent both in vitro and in vivo. The enhancement of tumorigenicity by pancreatic stellate cells depend on stellate cells' Nrf2. Inhibition of amino acid metabolism was more effective in Nrf2-activated pancreatic cancer cells.

Free Research Field

消化器内科学

Academic Significance and Societal Importance of the Research Achievements

膵癌の予後改善のためには新たな治療法開発が喫緊の課題である。使用薬剤の奏功性・耐性化機序をリアルタイムに把握し、耐性獲得機構制御により有効性を維持する薬剤選択を可能とすることで、酸化ストレス応答依存性という新たなパラダイムに基づく膵癌個別化治療の基盤を構築するものである。以上の計画は現状では困難な膵癌の個別化治療を実現し、現行治療の課題を克服するという大きな創造性を有する。

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Published: 2023-01-30  

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