Figure 6From: Pentoxifylline decreases glycemia levels and TNF-alpha, iNOS and COX-2 expressions in diabetic rat pancreas Representative photomicrographs from immunohistochemistry assays for iNOS, COX-2 and TNF-alpha in pancreas (upper panel), liver (middle panel) and kidney (lower panel) in normal, untreated diabetic (arrows showing immunopositive cells) and PTX-treated (5 and 50 mg/kg) diabetic animals, after 1 week (400X magnification). Back to article page