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Results of hematoxylin and eosin (H&E), periodic acid-Schiff (PAS), and immunohistochemical staining (3,3'-diaminobenzidine and hematoxylin, DAB&H) of renal tissue from control rats. A. H&E staining. D, distal tubules; G, glomerulus; P, proximal tubules. B. PAS staining. Arrows, brush borders; BM, tubular basement membranes; D, distal tubules; P, proximal tubules. C. iNOS immunostaining (DAB&H). D. BAX immunostaining (DAB&H). E. VDR immunostaining (DAB&H).
