CD40 and breast cancer: These were Estrogen Biosynthesis (HSD17B7 and HSD17B12), Estrogen-Dependent Breast Cancer Signaling (HSD17B7 and HSD17B12), Hepatic Fibrosis/Hepatic Stellate Activation (CD14 and CD40), Tight Junction Signaling (CDSF1 and OCLN), and Dopamine-DARPP32 Feedback in cAMP Signaling (CACNAID and CSNK1E).