Chemokine (C-C motif) ligand 2 (CCL2) is a small cytokine belonging to the CC chemokine family that is also known as monocyte chemotactic protein-1 (MCP-1). It is found at the site of tooth eruption and bone degradation. In the bone, CCL2 is expressed by mature osteoclasts and osteoblasts and is under the control of nuclear factor
B (NF
B). CCL2 recruits immune cells, such as monocytes, to sites of tissue injury and infection. This chemokine is produced as a protein precursor containing signal peptide of 23aa and a mature peptide of 76aa. It is a monomeric polypeptide, with a molecular weight of ~13kD. As with many other CC chemokines, CCL2 is located on chromosome 17 in humans. The cell surface receptors that bind CCL2 are CCR2 and CCR5.||Source:|Recombinant protein corresponding to a non-glycosylated, polypeptide chain containing 76aa from human Monocyte Chemotactic Protein-1, expressed in E. coli.||Molecular Weight: |~8.6kD||Biological Activity:|Determined by the ability of MCP-1 to chemoattract human monocytes using a concentration of 5-20ng/ml.||Storage and Stability:|Lyophilized powder may be stored at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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