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  • Title: p16, p53 and EGFR expression in head and neck squamous cell carcinoma and their correlation with clinicopathological parameters.
    Author: Gupta S, Pandey P, Verma S, Verma A.
    Journal: J Cancer Res Ther; 2024 Apr 01; 20(3):881-887. PubMed ID: 39023595.
    Abstract:
    INTRODUCTION: Oral squamous cell carcinoma is a major cause of death throughout the developed world. Human papillomavirus (HPV) type 16 has also been suggested to play a role in etiology of head and neck squamous cell carcinoma (HNSCC). p16 expression is now being used as a surrogate marker of HPV infection in squamous cell carcinoma. Dysfunction in the p53 tumor suppressor gene is implicated in many cancers, including head and neck cancer. Overexpression or mutation of EGFR is found in 80%-100% of the patients with HNSCC, and is associated with poor prognosis and decreased survival. MATERIALS AND METHODS: In this cross-sectional observation study, total of 100 cases of HNSCC were taken. p16, p53, and EGFR expression was determined by immunohistochemical staining and correlated with clinicopathological parameters. p16 expression was also correlated with expression of p53 and EGFR. The obtained results were analyzed and evaluated using Chi-square test, value of P < 0.05 was taken significant. RESULTS: p16, p53, and EGFR were positive in 60%, 44%, and 58% cases, respectively. A statistically significant association was observed between p16 with age, site of the tumor, abnormal sexual habits and lymph node involvement. Significant expression also seen between p53 with age and abnormal sexual habits and immunohistochemical expression of p16 with p53 and EGFR. CONCLUSION: Immunohistochemical expression of p16 can be used as a surrogate marker of HPV. Study of p16, p53, and EGFR expression may provide clinicians with more exact information in order to evaluate tumor aggressiveness and treatment modalities.
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