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2022 Fiscal Year Final Research Report

Mechanisms of cancer-specific apoptosis induction targeting ERK hyperactivation

Research Project

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Project/Area Number 19H03376
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 47030:Pharmaceutical hygiene and biochemistry-related
Research InstitutionKindai University

Principal Investigator

Sugiura Reiko  近畿大学, 薬学部, 教授 (90294206)

Co-Investigator(Kenkyū-buntansha) 田辺 元三  近畿大学, 薬学部, 教授 (40217104)
Project Period (FY) 2019-04-01 – 2023-03-31
KeywordsERK依存的細胞死 / リン酸化プロテオミクス / 膵臓がん / ACA-28 / KRAS変異 / 抗がん剤 / アポトーシス / ERK MAPK
Outline of Final Research Achievements

MAPK signaling is a highly conserved signal transduction system and a master regulator of proliferation and cancer. We have previously identified MAPK signaling regulators and compounds that modulate ERK MAPK signaling through molecular and chemical genetic screening using fission yeast as a model system. Notably, ACA-28, one of the MAPK signaling modulator that we identified, preferentially induce ERK-dependent apoptosis in melanoma cells, suggesting a novel mechanism to induce ERK-active cancer cells. In this study, we performed molecular and biolchemical analysis to reveal the target(s) and mechanism of ERK-dependent apoptosis

Free Research Field

細胞生物学、細胞内情報伝達

Academic Significance and Societal Importance of the Research Achievements

本研究は、申請者が開発した「ERKシグナル調節薬探索法」により自らが発見した<ACA-28>という抗腫瘍剤を探り針として、「ACA-28の分子標的の同定」と「がん細胞特異的ERK依存的細胞死誘導」に関わる分子機構の解明を行う。すなわち、「ERK依存的細胞死」という生物学的に未解明な学問領域に挑戦すると同時に「ERKシグナル活性化によるがん治療」という現在までに類のない革新的な作用機序に基づく新たな創薬概念を提唱するものであり、極めて独創的な研究内容を含む。ACA-28の示す「細胞死誘導効果」はがん細胞選択的であることから、「がん細胞特異的ERK活性化剤」という新たながん治療研究分野を創造する。

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Published: 2024-01-30  

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