Identification of functional genes regulating gastric cancer progression using integrated bioinformatics analysis

Figure 4 Common differentially expressed genes protein-protein interaction network constructed by Search Tool for the Retrieval of Interacting Genes online database and Module analysis. A: A total of 251 differentially expressed genes (DEGs) were found in the DEGs protein-protein interaction network complex. The nodes represent proteins; the edges represent the interaction of proteins; green circles represent down-regulated DEGs and red circles represent up-regulated DEGs; B: Module analysis via Cytoscape software. PPI: Protein-protein interaction; STRING: Search Tool for the Retrieval of Interacting Genes.