Measured by its ability to induce myeloperoxidase release from cytochalasin B-treated human neutrophils. Schröder, J.M. et al. (1987) J. Immunol. 139:3474. The ED50 for this effect is 1‑3 µg/mL. Measured by its ability to chemoattract BaF3 mouse pro‑B cells transfected with human CXCR2. The ED50 for this effect is 5-25 ng/mL.
Source
E. coli-derived rat CXCL2/GRO beta/MIP-2/CINC-3 protein Ser32-Asn100
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Note
<0.01 EU per 1 μg of the protein by the LAL method.
Applications/Dilutions
Dilutions
Bioactivity
Bioactivity2
Theoretical MW
7.6 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using 525-C3 in the following applications:
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in Acetonitrile and TFA with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Reconstitution Instructions
Reconstitute at 25 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Rat CXCL2/CINC-3 Protein
chemokine (C-X-C motif) ligand 2
CINC-2a
CINC3
CINC-3
C-X-C Motif Chemokine 2
CXCL2
GRO beta
GRO2 oncogene
GRO2
GROB
Gro-beta
Growth-regulated protein beta
Macrophage inflammatory protein 2-alpha
melanoma growth stimulatory activity beta
MGSA beta
MGSA-b
MGSA-beta
MIP2
MIP-2
MIP2A
MIP-2a
MIP2-alpha
SCYB2
Background
Cytokine-induced neutrophil chemoattractant 3 (CINC-3) has been found to be expressed by cytokine-stimulated rat alveolar macrophages and fibroblasts. Based on its protein and DNA sequences, CINC-3 (also known as rat MIP-2, GRO beta and CXCL2) is a member of the alpha (CXC) subfamily of chemokines.
CINC-3 cDNA encodes a 100 amino acid (aa) residue precursor protein with a 31 aa signal peptide that is cleaved to yield a 69 aa mature secreted protein. The protein sequence of rat CINC-3 shares approximately 88% identity with murine MIP-2. Characteristic of ELR containing CXC chemokines, CINC-3 is known to be a potent chemotactic factor for rat neutrophils in vitro and in vivo. On the basis of cross-desensitization results of the various CINC proteins, it has been postulated that rat neutrophils have at least two classes of CINC receptors: a class of CINC-3 specific receptors as well as a second common receptor shared by all CINCs.
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