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Circulation. 2004 Oct 12;110(15):2204-9. Epub 2004 Oct 4.

Atherosclerosis in patients infected with HIV is influenced by a mutant monocyte chemoattractant protein-1 allele.

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  • 1Servei de Medicina Interna, Hospital Universitari de Sant Joan, 43201 Reus, Spain.



Patients infected with HIV present with premature atherosclerosis, and the 2 diseases share common pathogenic pathways. We investigated mutations in the monocyte chemoattractant protein-1 (MCP-1) and CCR-2 genes, which are known to control aspects of these pathways, to ascertain whether they are involved in atherogenesis in these patients.


We performed carotid and femoral artery ultrasonography to detect subclinical atherosclerosis in patients infected with HIV (n=183). MCP-1-2518G and CCR-2 64I polymorphisms were determined in the HIV group and in a population-based control group (n=348). We also determined MCP-1 circulating levels in the HIV group. The presence of MCP-1-2518G in the group of patients with subclinical atherosclerosis was significantly higher than in patients without atherosclerotic lesions (47.5% versus 18.2%, respectively; P<0.001). Furthermore, the patients with atherosclerotic lesions had higher MCP-1 plasma concentrations than did patients without lesions (74.15 [4.03] versus 57.81 [3.67] pg/mL, respectively; P=0.03). When adjusted for known cardiovascular risk factors, the MCP-1-2518G allele was associated with subclinical atherosclerosis (OR 5.72, 95% CI 1.74 to 18.80, P=0.004). Compared with measurements conducted approximately 2.5 years earlier in a subset of 40 patients, intima-media thickness (IMT) in the carotid artery progressed at a mean rate of 0.06 mm/y more rapidly in patients bearing the MCP-1-mutated allele (P=0.08).


HIV-infected patients with the MCP-1-2518G allele have a 5-fold increased risk for atherosclerosis, as assessed by ultrasonography.

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