Abstract
Cervical cancer is the most prevalent cancer among women in India. The main cause of cervical cancer is persistent human papilloma viral (HPV) infection. HPV inactivates the pRb tumour suppressor protein; thus p16 expression, which is controlled by a negative feedback mechanism, is relatively increased. Galectin-3 is directly and indirectly connected to cancer cell activity and contributes to oncogenesis, angiogenesis, cancer progression and metastasis. Thus, the aim of this study was to study the expression of p16 and galectin-3 in Cervical Intraepithelial Neoplasia (CIN) and Squamous Cell Carcinoma (SCC) and to correlate p16 and galectin-3 expression. On hundred and eighteen newly-diagnosed untreated cases of CIN and SCC of uterine cervix were included in the study. Expression of p16 and galectin 3 was more pronounced in invasive SCC and High-grade Intraepithelial Lesion (HSIL), as compared to Low-grade Intraepithelial Lesion (LSIL).Thus, it may be used in clinical setting to monitor cervical lesions and to predict their progression. Impact statement What is already known on this subject? p16 overexpression is a surrogate biomarker of HPV infection and useful in evaluating HPV-associated squamous and glandular neoplasia of the lower gynaecologic tract. Increased galectin‐3 expression is seen in SCC cervical, with less consistent results in CIN. What do the results of this study add? The results of our study adds to the growing literature that p16 and galectin-3 expression have direct statistically significant correlation with a degree of dysplasia and SCC cervix. Expression of p16 and galectin-3 was more pronounced in invasive SCC and high-grade intraepithelial lesion (HSIL), as compared to low-grade intraepithelial lesion (LSIL). What are the implications of these findings for clinical practice and/or further research? This correction of p16 and galectin-3 expression with degree of dysplasia and SCC cervix can be used for screening and early detection of cervical lesions and thus aid their early treatment and increased survival.
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