KEAP1 and cancer: The nuclear factor erythroid-derived 2-like 2-Kelch-like ECH-associated 1 (Nrf2-Keap1) system has major roles at the intersections not only for cancer biology as a molecular target for certain tumors (i.e., termed synthetic lethality), but also for the antioxidant and antiapoptotic pathways used for cardioprotection [55,56,57].