(i) Lung cancer cells (H-1650) (ii) Lung cancer cells (HCC827 and H-1650), breast cancer cells (MCF-7), human prostate cancer cells (LNCaP and PC-3) and human bladder cancer cells (T24) (EpCAM epxression levels: ~2000/cell to ~500,000/cell). The gene discussed is EPCAM; the disease is breast cancer.