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CCR2, a chemokine receptor, is a regulator of monocyte/macrophage traffickings and is upregulated in response to inflammation. Resistance to HIV-1 infection or delayed progression to AIDS may be linked to CCR2 polymorphisms. The ligand for CCR2 is monocyte chemoattractant protein (MCP-1), a chemokine produced by endothelial cells, smooth muscle cells, and macrophages. Activation of monocytes by MCP-1 may mediate the monocytic infiltration of tissues in atherosclerosis and other inflammatory disorders including rheumatoid arthritis, alveolitis, and tumor infiltration. Two isoforms are produced by alternative splicing. CCR2 has been reported to be expressed in a wide variety of tissues, including blood, brain, heart, kidney, liver, lung, ovary, pancreas, spinal cord, spleen, thymus, and vessel. Increased expression of CCR2 has been documented in CD3+ lymphocytes in rheumatoid arthritis. ESTs have been isolated from liver/spleen and prostate libraries.
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Protein Aliases: C-C chemokine receptor type 2; C-C CHEMOKINE RECEPTOR TYPE 2 (C-C CKR-2) (CC-CKR-2) (CCR-2) (CCR2) (JE/FIC RECEPTOR) (MCP-1 RECEPTOR); C-C CKR-2; Cc-ckr2; CCR-2; CD192; CD192 antigen; chemoattractant protein-1 receptor; chemokine (C-C motif) receptor 2; chemokine (C-C) receptor 2; hCG_14621; JE/FIC receptor; MCP-1 receptor; MCP-1-R; Mcp1 receptor; Mcp1r; MIP-1 alphaR; Monocyte chemoattractant protein 1 receptor; monocyte chemotactic protein 1 receptor
Gene Aliases: CC-CKR-2; CCR-2; CCR2; CCR2A; CCR2B; CD192; CKR2; CKR2A; CKR2B; CMKBR2; MCP-1-R; mJe-r