2022 Fiscal Year Final Research Report
Exploration of head and neck squamous cell carcinoma-specific NOTCH pathway
Project/Area Number |
19K09909
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Research Category |
Grant-in-Aid for Scientific Research (C)
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Allocation Type | Multi-year Fund |
Section | 一般 |
Review Section |
Basic Section 56050:Otorhinolaryngology-related
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Research Institution | Osaka University |
Principal Investigator |
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Project Period (FY) |
2019-04-01 – 2023-03-31
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Keywords | NOTCH4 / HEY1 / EMT / SOX2 |
Outline of Final Research Achievements |
Recently, various comprehensive genetic analyses of head and neck squamous cell carcinoma have been performed, and the NOTCH pathway has been focused on as a result. UsingTCGA data analysis , we showed in a previous study that the NOTCH4-HEY1 pathway is specifically upregulated in head and neck cancers, and that this pathway also promotes the important characteristics for cancer invasion and metastasis. In this study, we show that the NOTCH4-HEY1 pathway is upregulated under the control of SOX2 and that a positive feedback loop is also formed between NOTCH4 and HEY1. The results were published in the International Journal of Oncology.
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Free Research Field |
医歯薬学
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Academic Significance and Societal Importance of the Research Achievements |
NOTCHパスウェイは、正常組織の発生やホメオスタシスに不可欠の経路である。癌においても、様々な癌種でその増殖・浸潤・転移に寄与することが報告されている。しかし頭頸部癌においては、その機能やどれほど影響のあるパスウェイなのかなどは様々な争点があった。本研究成果によりNOTCH4-HEY1パスウェイが頭頸部癌に特異的に亢進しそれらはSOX2遺伝子の制御下にあること、またその結果、癌の浸潤・転移に影響することを示した。これらは頭頸部癌の特質解明に大きく寄与する研究成果であった。
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