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Target intelligence / Profile preview
CXC chemokine receptor 2 (CXCR2)
- Target
- CXCR2
- Molecular classification
- G-protein-coupled receptor
01
Overview
CXCR2 is a G-protein-coupled receptor (GPCR) that primarily functions as a receptor for several CXC chemokines, most notably interleukin-8 (IL-8, also known as CXCL8). It plays critical roles in immune cell migration, inflammation, cancer progression, and central nervous system development. Upon ligand binding, CXCR2 activates PI3K/Akt, PLC/PKC, and MAPK/p38 pathways, leading to cell migration, proliferation, and survival. Targeting this receptor is under investigation for therapeutic intervention in inflammatory diseases and cancer.
02
Mechanism of action
Receptor antagonist, inverse agonist
03
Biological functions
Immune cell migrationInflammationAngiogenesisCell proliferationSignal transduction
04
Disease associations
CancerInflammatory diseases (asthma, COPD, ALI, sepsis, atherosclerosis)NeuroinflammationMyelin deficits
05
Safety considerations
Potential for immunosuppressionOff-target effects on other chemokine pathwaysRisk of infection
06
Biomarkers
CXCR2 expression levels in tumor tissueCXCL8 levels in serum
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