Poly (ADP-ribose) Polymerase1 (PARP1) promotes tumor progress via diversified biological functions such as cell cycle regulation, DNA repair, apoptosis inhibition, and maintaining MAPK activity, etc. [20] Clinically, PARP1 inhibitors have shown their potential in treating breast and ovarian cancers [21]. The gene discussed is PARP1; the disease is ovarian carcinoma.