Abstract
DNA repair mechanisms are the most common and potential targets in cancer treatment. PARP enzymes play a crucial role in detection of DNA damage and its repair and also in apoptosis. Detailed knowledge of these mechanisms leads to the development of poly-(ADP-Ribose) polymerase (PARP) inhibitors as vigorous anticancer drugs with specific action. PARP inhibitors can selectivity kill tumours with deficiencies in DNA repair proteins like BRCA1/2, exploiting synthetic lethality concept. Some recent works show synergistic effect of PARP inhibitor with some DNA damaging agents, used for conventional therapeutics. In this review article, we will be discussing about PARP enzyme family specially PARP-1, their structure and working, along with brief introduction of DNA damage and repair. We will also discuss about PARP inhibition and its effect on tumour cells and clinical development of PARP inhibitors, either singly or in combination with other chemotherapeutics.
Published Version
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