Bcl-2 positivity evaluation kidneys stained with Streptavidin biotin peroxidase complex method with AEC chromogen and Mayer’s Hematoxylin counterstain, scale bar=150 µm. A, Control group revealed specific cytoplasmic and luminal positivity of tubuli. B, CP group revealed less specific positivity. C. CP+EA50 group revealed mild positivity. D, CP+EA75 group revealed specific positivity like control group.