CCR2, or C C chemokine receptor type 2, is a receptor for several monocyte chemo attractant proteins (MCP1, MCP3, MCP4) which specifically mediate monocyte chemotaxis. CCR2 transduces such signals by increasing the intracellular level of calcium ions. For example, MCP1 is involved in monocyte infiltration in inflammatory diseases such as rheumatoid arthritis as well as in the inflammatory response against tumors. CCR2 is also an alternative coreceptor with CD4 for HIV1 infection. CCR2 has two isoforms and has been reported to be expressed in a wide variety of tissues, including blood, brain, heart, kidney, liver, lung, ovary, pancreas, spinal cord, spleen and thymus. mol wt:41kDa Other Aliases: C-C Chemokine receptor 2B; C C chemokine receptor type 2; C C CKR 2; CC chemokine receptor type 2; CC CKR 2; CCCKR2; CCR 2; CCR1L; CCR2A; CCR2B; CCR5L; CD192 ; CD192 antigen; Chemokine C C motif receptor 2; Chemokine CC Motif Receptor 2; CKR 2; CKR2; CKR2A; CKR2B; CMKBR2; MCP 1 R; MCP1 RECEPTOR; MCP1R; Monocyte chemoattractant protein 1 receptor; Monocyte Chemotactic Protein 1 Receptor