Measured by its ability to chemoattract 2-day cultured human monocytes. Matsushima, K. et al. (1989) J. Exp. Med. 169:1485. The ED50 for this effect is 0.1-0.3 µg/mL. Measured by its ability to chemoattract BaF3 mouse pro‑B cells transfected with human CCR2A. The ED50 for this effect is 0.5‑2 µg/mL.
Source
E. coli-derived mouse CCL7/MCP-3/MARC protein Gln24-Pro97
>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
8.5 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 456-MC/CF 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.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile, deionized water.
Notes
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for Recombinant Mouse CCL7/MARC Protein, CF
C-C motif chemokine 7
CCL7
chemokine (C-C motif) ligand 7
FIC
MARC
MCP-3
MCP3Monocyte chemotactic protein 3
MCP-3Small-inducible cytokine A7
MGC138465
Monocyte chemoattractant protein 3
NC28SCYA6
SCYA7MGC138463
small inducible cytokine A7 (monocyte chemotactic protein 3)
Background
Mouse MARC, a member of the beta subfamily of chemokines, was initially identified as a transcript that is induced in a mouse mast cell line after Fc epsilon RI triggering by IgE plus antigen. Sequence comparisons suggest that MARC may be the mouse homologue of the human MCP-3 gene. Mouse MARC/MCP-3 expression has also been detected during murine experimental allergic encephalomyelitis in the spinal cord, and in LPS-stimulated murine WEHI -3 cells and Swiss 3T3 cells where MARC expression is glucocorticoid-attenuated. Except for one amino acid subsititution, mouse MARC is identical to mouse FIC, the product of a growth factor-activated gene. The mouse MARC cDNA encodes a 97 amino acid residue precursor protein with a 23 amino acid residue signal peptide that is cleaved to yield a 74 amino acid residue mature protein. Mouse CCR2, a mouse chemokine receptor, has been shown to bind JE/MCP-1 with high affinity and MARC/MCP-3 with lower affinity. The E. coli-expressed mouse MARC/MCP-3 produced at R&D Systems has been shown to be a monocyte and T-lymphocyte chemoattractant.
Kulmburg, P.A. et al. (1992) J. Exp. Med. 176:1773.
Thirion, S. et al. (1994) Biochem. Biophys. Res. Commun. 201:493.
Smith, J.B. and H.R. Herschman (1995) J. Biol. Chem. 270:16756.
Kurihara, T. and R. Bravo (1996) J. Biol. Chem. 271:11603.
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