PARP1 and cancer: ↑PARP1 expression in breast, ovarian, and lung cancers. [143].PARP1 inhibition incervical cancer cell lines:↓Proliferation ↑Cell death↓Metastasis [187].PARP1 inhibition inliver cancer cells:↓Proliferation ↓Cell migration [188].PARP inhibition in PC3 and HeLa: ↓Cell migration [115].