Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: N-[5-chloro-2-[2-[(2R)-4-[(4-fluorophenyl)methyl]-2-methyl-1-piperazinyl]-2-oxoethoxy]phenyl]-urea
Purity: ≥98%
Formula Markup: C21H24ClFN4O3
Formula Weight: 434.9
CAS Number: 217645-70-0
Notes: The CC chemokine receptor-1 (CCR1), whose ligands include macrophage inflammatory protein-1α (MIP-1α), RANTES, and monocyte chemotactic protein-3 (MCP-3), has a central role in leukocyte trafficking and is highly expressed in certain autoimmune diseases. BX 471 is a nonpeptide CCR1 antagonist that has been shown to displace MIP-1α, RANTES, and MCP-3 with Ki values of 1, 2.8, and 5.5 nM, respectively.{29906} It demonstrates >10,000-fold selectivity for CCR1 over 28 additional G protein-coupled receptors, including related chemokine receptors.{29906} In a rat experimental allergic encephalomyelitis model of multiple sclerosis, BX 471 at 50 mg/kg was shown to significantly reduce the severity of the disease.{29906} BX 471 also decreases the inflammatory response during sepsis, blocks migration of monocytes isolated from rheumatoid arthritis patients, and prevents macrophage and T-cell recruitment in a mouse model of lupus nephritis.{29904,29905,29903}
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