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Cell. 1999 Nov 24;99(5):511-20.

The human cytomegalovirus chemokine receptor US28 mediates vascular smooth muscle cell migration.

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  • 1Department of Molecular Microbiology and Immunology and The Vaccine and Gene Therapy Institute Oregon Health Sciences University, Portland 97201, USA.

Abstract

Human cytomegalovirus (HCMV) infection of smooth muscle cells (SMCs) in vivo has been linked to a viral etiology of vascular disease. In this report, we demonstrate that HCMV infection of primary arterial SMCs results in significant cellular migration. Ablation of the chemokine receptor, US28, abrogates SMC migration, which is rescued only by expression of the viral homolog and not a cellular G protein-coupled receptor (GPCR). Expression of US28 in the presence of CC chemokines including RANTES or MCP-1 was sufficient to promote SMC migration by both chemokinesis and chemotaxis, which was inhibited by protein tyrosine kinase inhibitors. US28-mediated SMC migration provides a molecular basis for the correlative evidence that links HCMV to the acceleration of vascular disease.

PMID:
10589679
[PubMed - indexed for MEDLINE]
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