Figure 2. DEARGs between CAD and control groups. (A) Volcano plot of the DEGs from GSE12288 with P < 0.05 as the threshold value. Red and blue dots indicate significantly upregulated and downregulated genes, respectively. (B) Venn diagram of CAD DEGs and ARGs. (C) Heatmap of the expression of 33 ARGs and CAD-related genes.