CD13 immunohistochemistry of the prostate and bladder. (a) Human bladder: CD13 stains a subpopulation of stromal cells (black arrow) in the lamina propria. The partially denuded urothelium is indicated by the red arrow. (b) Mouse bladder: CD13 also stains a similar region (black arrow) in the mouse bladder as in the human bladder. (c) Human prostate: CD13 stains only luminal epithelial cells (black arrow) of prostatic glands.
Goo et al. BMC Urology 2005 5:17 doi:10.1186/1471-2490-5-17