Figure 3From: Effect of vildagliptin, a dipeptidyl peptidase 4 inhibitor, on cardiac hypertrophy induced by chronic beta-adrenergic stimulation in ratsEffect of vildagliptin on cardiac fibrosis in isoproterenol-treated rats. Masson’s trichrome staining of hearts in the vehicle, ISO, and ISO-VL treatment groups. A: Perivascular fibrosis. B: Interstitial fibrosis. Scale bars = 100 μm. Bar graphs show the area of fibrosis (%) in each case. Values represent the mean ± SE. n = 6 each. NS, not significant.Back to article page