PTCHD3 and neoplasm: Using the Gene Ontology (GO) database term GO:0005576 consisting of products outside or unattached to the cell (Dolan et al, 2024; Mastri et al, 2018a), secretory genes were found to increase in EMT6-PTR tumor transcripts and associate with inflammatory signaling, wound healing, and immune cell function/migration (Fig. 1E).