In parallel, PB-Cre4 Zfp36+/f (Zfp36+/f) and PB-Cre4 Zfp36f/f (Zfp36f/f) mice developed PIN but did not progress to adenocarcinoma (Supplemental Figure 2A). Here, ZFP36 is linked to prostate intraepithelial neoplasia.