A selective antagonist of CCR3
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SB 297006

Item No. 11964

Technical Information
Formal Name
N-benzoyl-4-nitro-L-phenylalanine, ethyl ester
CAS Number
58816-69-6
Molecular Formula
C18H18N2O5
Formula Weight
Purity
≥99%
Formulation
A solid
DMF: 30 mg/mlDMSO: 30 mg/mlDMSO:PBS (pH 7.2) (1:3): 0.25 mg/ml
SMILES
O=C(C1=CC=CC=C1)N[C@H](C(OCC)=O)CC2=CC=C([N+]([O-])=O)C=C2
InChi Code
InChI=1S/C18H18N2O5/c1-2-25-18(22)16(19-17(21)14-6-4-3-5-7-14)12-13-8-10-15(11-9-13)20(23)24/h3-11,16H,2,12H2,1H3,(H,19,21)/t16-/m0/s1
InChi Key
BEZXGSZPWXRHIN-INIZCTEOSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    Product Description

    SB 297006 is an antagonist of C-C chemokine receptor 3 (CCR3; IC50 = 39 nM), which normally is activated by eotaxin, eotaxin-3, MCP-3, MCP-4, RANTES, and MIP-1δ.1 It is at least 250-fold selective for CCR3 over a panel of other chemokine receptors. SB 297006 blocks CCR3-mediated calcium mobilization induced by eotaxin, eotaxin-2, and MCP-4 in transfected cells.1 It suppresses antigen-induced accumulation of Th2 lymphocytes and eosinophils in lungs of mice when delivered subcutaneously (100 mg/kg).2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. White, J.R., Lee, J.M., Dede, K., et alIdentification of potent, selective non-peptide CC chemokine receptor-3 antagonist that inhibits eotaxin-, eotaxin-2-, and monocyte chemotactic protein-4-induced eosinophil migration. The Journal of Biological Chemisty 275(47), 36626-36631 (2000).

    2. Mori, A., Ogawa, K., Someya, K., et alSelective suppression of Th2-mediated airway eosinophil infiltration by low-molecular weight CCR3 antagonists. Int. Immunol. 19(8), 913-921 (2007).