YAP1 and prostate cancer: Overexpression and nuclear localization of the YAP protein has been noted in colon, liver, lung, ovarian, and prostate cancers (Snijders et al, 2005; Zhao et al, 2007; Steinhardt et al, 2008; Zhang et al, 2011; Yu & Guan, 2013; He et al, 2015).