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2022 Fiscal Year Final Research Report

Explore the utility of the ubiquitin-proteasome system as a novel gastric cancer treatment

Research Project

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Project/Area Number 20K17058
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 53010:Gastroenterology-related
Research InstitutionNagoya City University

Principal Investigator

Ozeki Takanori  名古屋市立大学, 医薬学総合研究院(医学), 研究員 (10865702)

Project Period (FY) 2020-04-01 – 2023-03-31
Keywords胃癌 / ユビキチン / BTBP
Outline of Final Research Achievements

In this study, we explored the potential BTBPs as biomarkers or therapeutic targets for gastric cancer, using gastric cancer cell lines and clinical samples of gastric cancer. Among BTBP, KLHL26 was identified as a candidate that is strongly associated with the pathogenesis of gastric cancer. Biological assays indicated that KLHL26 promotes the proliferative and invasive capabilities of gastric cancer cells, and immunohistochemical staining demonstrated that KLHL26 might contribute to gastric cancer progression, such as infiltration and metastasis. Although there remains substantial scope for further investigation, the results of this study suggest the potential of KLHL26 as a predictive biomarker and therapeutic target for gastric cancer.

Free Research Field

消化器内科

Academic Significance and Societal Importance of the Research Achievements

本研究では、ユビキチンリガーゼのアダプター蛋白の一つであるKLHL26が、胃がんの新たなバイオマーカー、治療標的となりうる蛋白の同定に至った。これまでの研究から、KLHL26は胃がんの進展に強く関与していることが明らかとなった。しかし、その作用メカニズム、特にユビキチンリガーゼのアダプター蛋白として、どのように胃がんの進展に関与しているのか、は明らかではない。胃がん治療の標的としてKLHL26の有用性を明らかにするためには、さらなる検証が必要であるが、本研究では、その足がかりとなる知見を示すことができ、新規胃がん治療の開発につながる成果が得られたと考えられる。

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Published: 2024-01-30  

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