Berberine inhibits growth, induces G1 arrest and apoptosis in human epidermoid carcinoma A431 cells by regulating Cdki-Cdk cyclin cascade, disruption of mitochondrial membrane potential and cleavage of caspase 3 and PARP. - Mantena,S.K.; Sharma,S.D.; Katiyar,S.K. (Carcinogenesis, 2006)