Bioinformatics Analysis of Key Genes and circRNA-miRNA-mRNA Regulatory Network in Gastric Cancer

Figure 3

PPI network and modular analysis of DEGs. (a) The PPI network contains 369 nodes and 1570 edges; red represents upregulated DEGs, and blue represents downregulated DEGs. (b) The hub DEGs (degree: top 15) identified by the cytoHubba plug-in. The darker the color in the node, the higher the degree of interaction. (c) Module 1 contains 25 DEGs. (d) Module 2 contains 23 DEGs. (e) Module 3 contains 7 DEGs. The color of each node represents DEGs (red represents upregulated DEGs, and blue represents downregulated DEGs). PPI: protein-protein interaction.

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