PTEN and prostate neoplasm: We performed AR ChIP‐seq on normal mouse prostate tissue as well as PC tissue from the Nkx3.1+/−; Pten+/− mouse model (Banach‐Petrosky et al., 2007) and E8 cells, which were isolated from a hormone‐sensitive local prostate tumor from conditional Pten−/− mice (Liao et al., 2010).