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2020 Fiscal Year Final Research Report

Elucidation of the mechanism of drug resistance in colorectal cancer focusing on the peri-tumour microenvironment and its application to treatment

Research Project

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Project/Area Number 18K16371
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 55020:Digestive surgery-related
Research InstitutionNagoya City University

Principal Investigator

shiga kazuyoshi  名古屋市立大学, 医薬学総合研究院(医学), 助教 (20747282)

Project Period (FY) 2018-04-01 – 2021-03-31
Keywords大腸癌 / 癌関連線維芽細胞 / 癌増殖 / 癌浸潤 / 血管新生 / 薬剤耐性
Outline of Final Research Achievements

Cancer tissue is composed of cancer cells and their surrounding stromal cells. Cancer-associated fibroblasts are the main component of the stroma.
Our findings demonstrate that cancer-associated fibroblasts secrete a variety of proteins that have a profound effect on cancer cell proliferation, invasion and angiogenesis. For example, interleukin 6 is involved in cancer cell proliferation, interleukin 8 and CCL2 are involved in cancer cell migration and invasion, and interleukin 6, 8 and CHI3L1 proteins are involved in angiogenesis.

Free Research Field

消化器外科

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的意義は今までの癌細胞のみに特化した研究とは異なり癌組織内に存在する癌細胞周囲の間質細胞と癌細胞の相互作用による癌進展の機序の解明を目的とした事である。また社会的意義に関してはその機序を解明することで抗腫瘍薬の効果の増強や耐性化に関する機序を解明することによって今までにない新たな治療方法の確立を目指すことにある。抗腫瘍効果の耐性化の打破が可能となればさらなる予後の改善や既存の抗腫瘍薬の効果の延長につながり、医療費の高騰にも歯止めがかかることが期待される。

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Published: 2022-01-27  

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