W.Wight extract showed activity in MDR breast, colorectal carcinoma, glioblastoma, and hepatocellular carcinoma (in MDA-MB-231-BCRP, HCT116 (p53-/-), U87MG.∆EGFR, HepG2 cancer cell lines respectively) [40]. The gene discussed is ABCG2; the disease is cancer.