
Keywords: BPH, benign prostate hyperplasia; CK, cytokeratin; Erk1/2, extracellular signal-regulated kinase 1/2; Lin, lineage; MTT, thiazolyl blue tetrazolium bromide; Stat, signal transducer and activator of transcription; Sca-1, stem cell antigen 1; Trop2, tumor-a