Patients diagnosed with endometriosis demonstrated significantly heightened levels of inflammatory cytokines, specifically interleukin-1 beta (IL-1β), interleukin-6 (IL-6), interleukin-8 (IL-8), vascular endothelial growth factor, CCL2, CCL5, and tumor necrosis factor-alpha (TNF-α). The gene discussed is CXCL8; the disease is endometriosis.