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FEBS Lett. 1997 Jan 6;400(3):329-32.

Monocyte chemoattractant protein-2 can exert its effects through the MCP-1 receptor (CC CKR2B).

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Pharmaceutical Discovery Research Laboratories, Teijin Institute for Biomedical Research, Asahigaoka, Hino, Tokyo, Japan.


We studied the activities of the monocyte chemoattractant proteins MCP-1, MCP-2 and MCP-3 on human embryonic kidney 293-EBNA cells transfected with the MCP-1 receptor (CC CKR2B). At 4 nM, MCP-2 induced a Ca2+ influx which was as potent as that with MCP-1 at 4 nM, although the increase by MCP-2 became saturated at higher concentrations. In addition, all three MCPs showed dose-dependent inhibition of adenylyl cyclase activity stimulated by forskolin (IC50 values: 0.3 nM for MCP-1, 7 nM for MCP-2, and 1.5 nM for MCP-3). In conclusion, our data indicate that MCP-2 can exert its effects through the MCP-1 receptor, CC CKR2B.

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