...we then focused on validating these results by using two clinically relevant PARP1/2 inhibitors, namely olaparib (AZD-2281, Astra Zeneca, London, UK) and olaparib (MK-4827, TesaroBio, Waltham, MA, USA). Both compounds displayed significant selectivity towards the ERCC1-deficient clones, which were 10–100 times more sensitive to the PARP1/2 inhibitors than their ERCC1-proficient counterpart...