CCR2: a seven transmembrane protein closely related to CCR1. Receptor for the MCP-1, MCP-3 and MCP-4 chemokines. Expressed at high levels in primary neutrophils and primary monocytes, and is further upregulated on neutrophil activation and during monocyte to macrophage differentiation. Transduces a signal by increasing the intracellular calcium ions level. Alternative co receptor with CD4 for HIV-1 infection. Two splice-variant isoforms have been described.
Protein type: Membrane protein, integral; Membrane protein, multi-pass; Receptor, GPCR; GPCR, family 1
Cellular Component: cell soma; perinuclear region of cytoplasm; dendrite; cytoplasm; integral to membrane; plasma membrane; perikaryon; cytosol; external side of plasma membrane
Molecular Function: protein homodimerization activity; CCR2 chemokine receptor binding; C-C chemokine receptor activity; cytokine binding; chemokine binding; C-C chemokine binding
Biological Process: positive regulation of T-helper 1 type immune response; sensory perception of pain; regulation of cell migration; monocyte chemotaxis; positive regulation of MAPKKK cascade; hemopoiesis; cellular homeostasis; inflammatory response; positive regulation of tumor necrosis factor biosynthetic process; cytokine and chemokine mediated signaling pathway; positive regulation of tumor necrosis factor production; humoral immune response; cellular calcium ion homeostasis; G-protein coupled receptor protein signaling pathway; positive regulation of interferon-gamma production; negative regulation of angiogenesis; inflammatory response to antigenic stimulus; response to hyperoxia; negative regulation of T-helper 2 type immune response; positive regulation of interleukin-2 production; response to hypoxia; cellular defense response; positive regulation of alpha-beta T cell proliferation; immune response; blood vessel remodeling; positive regulation of T cell activation; negative regulation of eosinophil degranulation; positive regulation of inflammatory response
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