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Submit ReviewReparixin L-lysine salt
Description: Potent CXCR1 and CXCR2 allosteric antagonist
Alternative Names: Repertaxin L-lysine salt
Chemical Name: (αR)-α-Methyl-4-(2-methylpropyl)-N-(methylsulfonyl)benzeneacetamide L-Lysine salt
Purity: ≥98% (HPLC)
Biological Activity for Reparixin L-lysine salt
Reparixin L-lysine salt is a potent and noncompetitive CXCR1 and CXCR2 allosteric antagonist (IC50 = 1 nM for inhibition of CXCL8-induced human polymorphonuclear cell migration). Also inhibits migration of rodent neutrophils induced by CXCL1, CXCL2, CXCL8 and CINC-1. Inhibits vascular permeability and neutrophil recruitment in in vivo models of mild and severe ischemia/reperfusion injury. Also selectively depletes cancer stem cells in human breast cancer cell lines and xenograft models.
Technical Data for Reparixin L-lysine salt
| M. Wt | 429.58 |
| Formula | C14H21NO3S.C6H14N2O2 |
| Storage | Store at -20°C |
| Purity | ≥98% (HPLC) |
| CAS Number | 266359-93-7 |
| PubChem ID | 9932389 |
| InChI Key | JEJFWWFZAQBZMJ-GVKMLHTLSA-N |
| Smiles | NCCCC[C@H](N)C(O)=O.CC(C)CC1=CC=C(C=C1)[C@@H](C)C(=O)N[S](C)(=O)=O |
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.
Solubility Data for Reparixin L-lysine salt
| Solvent | Max Conc. mg/mL | Max Conc. mM | |
|---|---|---|---|
| Solubility | |||
| DMSO | 21.48 | 50 | |
| water | 2.15 | 5 with gentle warming |
Preparing Stock Solutions for Reparixin L-lysine salt
The following data is based on the product molecular weight 429.58. Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass | 1 mg | 5 mg | 10 mg |
|---|---|---|---|
| 0.5 mM | 4.66 mL | 23.28 mL | 46.56 mL |
| 2.5 mM | 0.93 mL | 4.66 mL | 9.31 mL |
| 5 mM | 0.47 mL | 2.33 mL | 4.66 mL |
| 25 mM | 0.09 mL | 0.47 mL | 0.93 mL |
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Product Datasheets for Reparixin L-lysine salt
References for Reparixin L-lysine salt
References are publications that support the biological activity of the product.
Bertini et al (2004) Noncompetitive allosteric inhibitors of the inflammatory chemokine receptors CXCR1 and CXCR2: prevention of reperfusion injury. Proc.Natl.Acad.Sci.U.S.A. 101 11791 PMID: 15282370
Souza et al (2004) Repertaxin, a novel inhibitor of rat CXCR2 function, inhibits inflammatory responses that follow intestinal ischaemia and reperfusion injury. Br.J.Pharmacol. 143 132 PMID: 15302676
Ginestier et al (2010) CXCR1 blockade selectively targets human breast cancer stem cells in vitro and in xenografts. J.Clin.Invest. 120 485 PMID: 20051626
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Citations for Reparixin L-lysine salt
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