10.1371/journal.pone.0143377.g003 Chunhua Cao Chunhua Cao Jianhua Chen Jianhua Chen Chengqi Lyu Chengqi Lyu Jia Yu Jia Yu Wei Zhao Wei Zhao Yi Wang Yi Wang Derong Zou Derong Zou Protein-protein interaction (PPI) network constructed by the differentially expressed genes (DEGs). Public Library of Science 2015 buccal mucosa tissues myc max protein tyrosine phosphatase gene expression profile GSE 17913 deg Gene Expression Omnibus database usf CYP 1A CYP 1B YWHAZ ppi tf transcription factor 1 Pathway enrichment analyses CYP 1A cytochrome P 450 pathway PTPRD 2015-12-02 03:04:45 Figure https://plos.figshare.com/articles/figure/_Protein_protein_interaction_PPI_network_constructed_by_the_differentially_expressed_genes_DEGs_/1616195 <p>Node size represents node degree; a larger size indicates a larger degree. Red represents up-regulation, and green represents down-regulation.</p>