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Biochem Biophys Res Commun. 1997 Jul 9;236(1):212-7.

STRL22 is a receptor for the CC chemokine MIP-3alpha.

Author information

1
Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20892, USA.

Abstract

STRL22 is a human seven transmembrane domain orphan receptor related to known chemokine receptors and expressed in peripheral blood lymphocytes, tumor infiltrating lymphocytes and lymphoid tissues. MIP-3alpha/LARC/Exodus is a CC chemokine that is chemotactic for lymphocytes and that is expressed in activated cells, including monocytes, T cells, endothelial cells, and fibroblasts, and in liver, lung, and some lymphoid tissues. We report here that STRL22-transfected human embryonic kidney 293 cells demonstrated specific binding for MIP-3alpha and that MIP-3alpha, but no other chemokines, produced a calcium flux in the STRL22-transfected cells. We show that MIP-3alpha, unlike other chemokines, produced a calcium flux in freshly-isolated peripheral blood lymphocytes and we show that MIP-3alpha also produced a signal in tumor infiltrating lymphocytes that express STRL22. Since STRL22 is the sixth functional CC chemokine receptor identified, it should be re-named CCR6.

PMID:
9223454
DOI:
10.1006/bbrc.1997.6936
[Indexed for MEDLINE]

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