The subnetwork of hsa_circ_0078279, hsa_circ_0007456, and hsa_circ_0004913 and functional analysis. The hsa_circ_0078279, hsa_circ_0007456, and hsa_circ_0004913 regulatory subnetwork (A). The top 10 significant enriched biological process terms by GO analysis (B). The top 10 significant enriched pathways by KEGG pathway analysis (C). CircRNA, miRNA and mRNA were indicated to deformed triangle, diamond, and circle, respectively. The red color represents high expression and blue color represents low expression. GO – Gene Ontology; KEGG – Kyoto Encyclopedia of Genes and Genomes; circRNA – circular RNA; miRNA – microRNA; mRNA – messenger RNA.