A: Representative sections from the LV of sham and diabetic Ntg and IGF-1R mice. A: Representative sections from the LV of sham and diabetic Ntg and IGF-1R mice. Collagen deposition appears red (sirius red stain; magnification ×200). Scale bars show 40 μm. B: Quantitation of collagen area/total ventricular area pooled data. n = 8–12 in each group; *P < 0.05 vs. Ntg sham; †P < 0.05 vs. Ntg diabetic. A high-quality digital representation of this figure is available in the online issue.) Karina Huynh et al. Diabetes 2010;59:1512-1520 ©2010 by American Diabetes Association