CXCL8 and cancer: We first measured the expression of genes involved in adipocyte differentiation (PPAR-γ, AP2, HSL, Adiponectin, Leptin), cancer-associated fibroblast (CAF) markers (LIF, FAP, α-SMA), and inflammation (IL-6, IL-8, IL-1β, CXCL-10, TNF-α).