Figure 2. PPI network analysis of DE-ERSs. (A, B) Venn diagram of DE-ERSs obtained by intersecting DEGs and ERSs. (C) The PPI network of DE-ERSs. (D) Maximum correlation analysis on the top 20 hub genes by CytoHubba plug-in. (E) Network Diagram of top 20 hub genes visualized by NetworkAnalyzer tool.