CXCR2 (C-X-C Motif Chemokine Receptor 2): CXCR2 is a receptor for C-X-C motif chemokines, including CXCL5, and is primarily expressed on neutrophils. It plays a key role in mediating chemotactic responses and activating neutrophils during the inflammatory response. CXCR2 is involved in various pathological conditions, including inflammatory diseases, cancer, and chronic obstructive pulmonary disease (COPD), making it a target for therapeutic intervention in these disorders....