Fig. 2From: Endogenous H2S producing enzymes are involved in apoptosis induction in clear cell renal cell carcinomaImmunohistological staining of CBS and CSE in ccRCC tumors according to a grade of tumor. Staining with primary antibody against CBS or CSE was decreased in higher grades. NC – negative control, where primary antibody was omitted. Scale bar represents 100 μmBack to article page