PRDX5 and cancer: In addition to showing antiproliferative effects against human cancer cells, the compound potently and selectively inhibits PARP1 with respect to the seleno‐enzyme thioredoxin reductase.[154] Preliminary studies of this Au(III) PARPi indicated promising anti‐proliferative activity towards several cancer cell lines and an additive relationship when explored in combination with cisplatin.