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DNA Cell Biol. 1997 Oct;16(10):1249-56.

Cloning, expression, and chromosomal mapping of a novel human CC-chemokine receptor (CCR10) that displays high-affinity binding for MCP-1 and MCP-3.

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The Howard Hughes Medical Institute, Department of Biochemistry and Molecular Biology, The University of Chicago, IL 60637, USA.


Chemokines mediate their chemotactic, proinflammatory effects by binding to and activating a variety of specific receptors belonging to the G protein-coupled superfamily of seven-transmembrane serpentine receptors. We report the cloning, chromosomal localization, expression, and ligand binding of a novel CC chemokine receptor, CCR10. CCR10 is expressed primarily in placenta and fetal liver, and binds two of the CC chemokines, monocyte chemoattractant protein (MCP)-1 and MCP-3, with highest affinity. The KD for MCP-3 binding was 1 nM, and MCP-1 competed for MCP-3 binding with an IC50 of 1.2 nM. The CC chemokines MCP-4 and RANTES competed for MCP-3 binding with IC50 values of 7.5 and 5.4 nM, respectively. The chromosomal location of CCR10 was determined to coincide with the CC chemokine receptor cluster on chromosome 3 (3p21.31-3p21.32). These results indicate that CCR10 is a novel CC chemokine receptor with a unique expression pattern that would be consistent with a role in placental immunity or hematopoiesis.

[Indexed for MEDLINE]

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