Next, the KEGG enrichment analysis implicated several target genes of GP in cancer-related pathways (hsa05200), PI3K–Akt signaling pathway (hsa04151), estrogen signaling pathway (hsa04915), breast cancer (hsa05224), EGFR tyrosine kinase inhibitor resistance (hsa01521), proteoglycans in cancer (hsa05205), and Ras signaling pathway (hsa04014). Here, EGFR is linked to breast carcinoma.