Journal of Experimental & Clinical Cancer Research 2008, 27:51 http://www.jeccr.com/content/27/1/51 FExigpurersesi1on of p27Kip1, Skp2 and Cks1 Expression of p27Kip1, Skp2 and Cks1. The proteins showing null/low or high levels of expression with nuclear pattern. (immunohistochemical staining; original magnification ×200; scale bar, 200 μm). Page 4 of 8 (page number not for citation purposes)