Figure 4

IHC staining of transgenic mice bladders for A, the cell proliferation marker Ki67 and B, P21 in L-Arginine treated (left panel) and belinostat-treated bladder cancer mice (right panel). Images are representative of 9 belinostat-treated mice and 10 control treated with vehicle alone (L-Arginine) selected by a pathologist. All images at 20× objective magnification.