text:  Mut2 prostate from PB-NICD model strain: C57Bl/6; genotype/variation: : ARR2PB-Cre;ROSA(N1IC) model (a.k.a. PB-NICD) that expresses the Notch1 intracellular domain (NICD or N1IC) in the prostate and develops prostatic intraepithelial neoplasia (PIN lesions).