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. 2023 Nov-Dec;39(6):1768-1773.
doi: 10.12669/pjms.39.6.8220.

Role of Human Papilloma Virus 16/18 In Laryngeal Carcinoma with Correlation to the Expression of Cyclin D1, p53, p16 and EGFR

Naila Tariq  1 , Talat Mirza  2 , Maqsood Ansari  3 , Sobia Nazir  4
Affiliations

Role of Human Papilloma Virus 16/18 In Laryngeal Carcinoma with Correlation to the Expression of Cyclin D1, p53, p16 and EGFR

Naila Tariq et al. Pak J Med Sci. 2023 Nov-Dec.

Abstract

Objective: To investigate the role of Human Papilloma Virus (HPV) (16/18) in relation to the molecular genetic mechanisms of Cyclin D1, p53, p16, and Epidermal growth factor receptor (EGFR) in Laryngeal Squamous Cell Carcinoma (LSSC).

Methods: A cross-sectional study of 88 (Formalin-fixed Paraffin Embedded) FFPE laryngeal biopsies were done at Basic Medical Sciences Institute, Jinnah Postgraduate Centre, Karachi from 2010 to 2019 with the application of Polymerase chain reaction (PCR) for HPV 16/18and Immuno-histochemical staining for molecular genetic expression of proteins, Cyclin D1, p53, p16, and EGFR.

Results: Out of 88 cases of Laryngeal Squamous Cell Carcinoma (LSSC) there was female preponderance. Mean age of the participants was found as 50.7±12.8 years. High risk HPV 16/18 was positive in 28 cases (31.8%), largely related to Grade-II and Grade-III. Immunohistochemically, Cyclin D1 (87.5%) appeared as the most important driver mutation followed by p16 (86.4%), EGFR (65.9%), and, p53 was positive in (61.4%) of cases.

Conclusion: The role of high-risk HPV 16/18 is concurred in the present study strongly in correlation to p16 as a surrogate marker. Moreover, the other driver mutations of Cyclin D1, p53, and EGFR are also implicated as cumulative molecular events in tumor progression as mostly seen in higher Grades.

Keywords: Human Papilloma Virus 16; Human Papilloma Virus 18; Laryngeal Squamous Cell Carcinoma; Polymerase chain reaction; Tumor suppressor genes.

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Conflict of interest statement

Conflict of Interest: None.

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