Figure 9. Functional and pathway enrichment analysis of the hub genes. (A) Construction of a protein-protein interaction (PPI) network through using the GeneMANIA database. (B) The hub genes being involved in several key cancer-associated processes, such as epithelial-mesenchymal transition (EMT), receptor tyrosine kinase (RTK), cell cycle, apoptosis, etc. (C) The result of predicted miRNAs targeting hub genes using the GSCALite website.