Fig. 3From: Deciphering the gene expression profile of peroxisome proliferator-activated receptor signaling pathway in the left atria of patients with mitral regurgitationLipid deposition with Oil red O (ORO) staining in left atrial myocytes of (a) mitral regurgitation patients with heart failure (MR) (n = 6), b patients with aortic valve disease and heart failure (AVD) (n = 3), and c purchased normal controls (NC) (n = 3). Percentage of area stained with ORO per myocyte in all groups. *P < 0.05Back to article page