Abstract
Cervical cancer affects more than half a million women and treatment options for advanced disease and recurrence is limited. Poly (ADP-ribose) polymerase1 (PARP1) is a critical nuclear protein regulating several components and functions of cellular machinery, including cancer. PARP1 expression and activity plays a crucial dynamics in the tumor microenvironment. PARP inhibitors are being considered as a viable option for treating BRCA deficient ovarian and breast cancer patients. However, the role of PARP1 in cervical cancer tumorigenesis is less known. The aim of the present review is to provide a comprehensive insight about the role of PARP1 in cervical cancer pathogenesis in context to PARP1 expression as a molecular marker for identifying cancer and in predicting treatment response and prognosis. PARP1 expression is found to be elevated in cervical cancer tissues in comparison to that in the normal surrounding tissues. The cellular proteins linked with PARP1 have been described along with the association of SNPs in PARP1 gene with cervical cancer. Promising results of PARP inhibitors with immunotherapy and clinical trials with cisplatin have also been discussed. This review provides an up-to-date description of PARP1 expression, its role in cervical cancer pathogenesis and reported clinical trials of PARP inhibitors in adjuvant therapy.
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