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2022 Fiscal Year Final Research Report

Src function and cancer progression in stromal cells of the cancer microenvironment

Research Project

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Project/Area Number 19H03504
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 50010:Tumor biology-related
Research InstitutionOsaka University

Principal Investigator

Okada Masato  大阪大学, 微生物病研究所, 教授 (10177058)

Project Period (FY) 2019-04-01 – 2022-03-31
Keywordsがん微小環境 / がん進展 / Src / Csk / TGF-beta / 遺伝子発現 / CDCP1 / 細胞競合
Outline of Final Research Achievements

In this project, to clarify the role of the cancer microenvironment and its mechanism of action in cancer growth and progression, we focused on the proto-oncogene product Src, which is upregulated in various cancer types, and conducted research to clarify the significance of Src activation in stromal cells (normal cells such as fibroblasts) in the cancer microenvironment. First, we analyzed the mechanism of transcriptional activation of the Src gene by cancer microenvironment factors and the significance of Src activation in the cancer microenvironment using functionally deficient mice of the Src regulator Csk. We also elucidated the regulatory mechanism of cancer progression by the Src activator CDCP1 and provided basic data for Src-targeted drug discovery.

Free Research Field

腫瘍生物学

Academic Significance and Societal Importance of the Research Achievements

本課題では、がんの発症や進展の分子機序を解明することにより、新たな治療標的を社会に提供することを目的とした研究を行った。研究対象として、世界で最初に同定されたがん遺伝子であるにもかかわらず、ヒトがんの発症や進展における役割が未だに十分理解されていないSrc遺伝子に着目し、そのがん細胞やがん微小環境における発現上昇や活性化の分子機序と意義を解析した。本研究は、ヒトがんにおけるSrc遺伝子の重要性を改めて実証し、新たな治療標的としてSrc遺伝子の発現や活性の調節に関わる分子群を提供している点で学術的な意義が認められる。

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Published: 2024-01-30  

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