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. 2014 Nov 7;35(42):2972-9.
doi: 10.1093/eurheartj/ehu153. Epub 2014 Apr 16.

Association of circulating endothelial microparticles with cardiometabolic risk factors in the Framingham Heart Study

Nicolas Amabile  1 , Susan Cheng  2 , Jean Marie Renard  1 , Martin G Larson  3 , Anahita Ghorbani  4 , Elizabeth McCabe  5 , Gabriel Griffin  6 , Coralie Guerin  1 , Jennifer E Ho  7 , Stanley Y Shaw  8 , Kenneth S Cohen  9 , Ramachandran S Vasan  10 , Alain Tedgui  1 , Chantal M Boulanger  11 , Thomas J Wang  12
Affiliations

Association of circulating endothelial microparticles with cardiometabolic risk factors in the Framingham Heart Study

Nicolas Amabile et al. Eur Heart J. .

Abstract

Objective: To examine the relation of endothelial microparticles (EMPs) with cardiometabolic risk in the community.

Background: Circulating EMPs are small membrane vesicles released after endothelial cell injury. Endothelial microparticles are reportedly increased among individuals with a high burden of cardiovascular risk factors. However, prior investigations have been limited to small, highly selected samples.

Methods: We studied 844 individuals without a history of cardiovascular disease in the Framingham Offspring cohort (mean age 66 ± 9 years, 57% women). We used standardized flow cytometry methods to identify and quantify circulating CD144+ and CD31+/CD41- EMPs. We then used multivariable regression analyses to investigate the relations of EMP phenotypes with cardiovascular and metabolic risk factors.

Results: In multivariable analyses, the following cardiovascular risk factors were associated with one or more of the circulating EMP populations: hypertension (P = 0.025 for CD144+,), elevated triglycerides (P = 0.002 for CD144+, P < 0.0001 for CD31+/CD41-), and metabolic syndrome (P < 0.0001 for CD144+,). Overall, each tertile increase in the Framingham risk score corresponded to a 9% increase in log-CD31+/CD41- EMPs (P = 0.022). Furthermore, the presence of hypertriglyceridaemic waist status was associated with 38% higher levels of CD144+ EMPs (P < 0.0001) and 46% higher levels of CD31+/CD41- EMPs (P < 0.0001).

Conclusion: In a large community-based sample, circulating EMP levels were associated with the presence of cardiometabolic risk factors, particularly dyslipidaemia. These data underscore the potential influence of high-risk metabolic profiles on endothelial integrity.

Keywords: Cardiovascular risk factors; Endothelium; Microparticles.

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Figures

Figure 1
Figure 1
Log-CD144+ and log-CD31+/41− endothelial microparticle values are shown (mean ± standard error) across increasing number of metabolic syndrome component traits, by hypertriglyceridaemic status, and across increasing tertiles of the Framingham risk score.
See this image and copyright information in PMC

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