PTK2 and basal cell carcinoma: IPA identified several pathways implicated in cell proliferation and cancer biological processes, such as HOTAIR Regulatory Pathway, MSP-RON Signaling In Cancer Cells Pathway (Figure 6A), Basal Cell Carcinoma Signaling, FAK Signaling, 14-3-3-mediated Signaling, and ERBB Signaling (Figure 6B).