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Updated: Feb 13, 2026
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A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
Published on: January 5, 2017
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The NOTCH Pathway in Head and Neck Squamous Cell Carcinoma
11 Moores Cancer Center, University of California, La Jolla, CA, USA.
Journal of Dental Research
|March 1, 2018
Summary
NOTCH1 mutations are common in head and neck squamous cell carcinoma (HNSCC), acting as both a tumor suppressor and oncogene. NOTCH pathway alterations impact HNSCC progression and treatment strategies.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Head and neck squamous cell carcinoma (HNSCC) is frequently associated with NOTCH1 gene mutations.
- NOTCH1 is the second most mutated gene in HNSCC, after TP53.
- NOTCH1 mutations can be inactivating, suggesting a tumor suppressor role, but activating mutations are observed in Asian populations.
Purpose of the Study:
- To review current understanding of NOTCH pathway genes in HNSCC.
- To explore the bimodal role of NOTCH signaling in HNSCC.
- To discuss the implications of NOTCH pathway alterations for targeted cancer therapy in HNSCC.
Main Methods:
- Comprehensive genomic analyses of HNSCC.
- Review of existing literature on NOTCH family members and HNSCC.
- Analysis of NOTCH pathway gene expression in HNSCC versus normal tissues.
Main Results:
- NOTCH1 mutations are prevalent in HNSCC, with a significant impact on patient prognosis.
- NOTCH pathway genes are upregulated in HNSCC, promoting tumor progression, proliferation, and invasion.
- NOTCH signaling exhibits a context-dependent, bimodal role in HNSCC (tumor suppressor and oncogene).
Conclusions:
- NOTCH pathway alterations are critical in HNSCC development and progression.
- Understanding the dual role of NOTCH is essential for effective HNSCC treatment.
- Targeted therapies focusing on the NOTCH pathway hold promise for HNSCC patients.
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