Abstract:
OBJECTIVE:P-selectin is a cellular adhesion molecule that has been shown to be crucial in development of coronary heart disease (CHD). We sought to determine the role of P-selectin on the risk of atherosclerosis in a large multi-ethnic population. METHODS:Data from the Multi-Ethnic Study of Atherosclerosis (MESA), including 1628 African, 702 Chinese, 2393 non-Hispanic white, and 1302 Hispanic Americans, were used to investigate the association of plasma P-selectin with CHD risk factors, coronary artery calcium (CAC), intima-media thickness, and CHD. Regression models were used to investigate the association between P-selectin and risk factors, Tobit model for CAC, and Cox regression for CHD events. RESULTS:Mean levels of P-selectin differed by ethnicity and were higher in men (P<0.001). For all ethnic groups, P-selectin was positively associated with measures of adiposity, blood pressure, current smoking, LDL, and triglycerides and inversely with HDL. A significant ethnic interaction was observed for the association of P-selectin and prevalent diabetes; however, P-selectin was positively associated with HbA1c in all groups. Higher P-selectin levels were associated with greater prevalence of CAC. Over 10.1 years of follow-up, there were 335 incident CHD events. There was a positive linear association between P-selectin levels and rate of incident CHD after adjustment for traditional risk factors. However, association was only significant in non-Hispanic white Americans (HR: 1.81, 95% CI 1.07 to 3.07, P=0.027). CONCLUSION:We observed ethnic heterogeneity in the association of P-selectin and risk of CHD.
journal_name
Atherosclerosisjournal_title
Atherosclerosisauthors
Bielinski SJ,Berardi C,Decker PA,Kirsch PS,Larson NB,Pankow JS,Sale M,de Andrade M,Sicotte H,Tang W,Hanson NQ,Wassel CL,Polak JF,Tsai MYdoi
10.1016/j.atherosclerosis.2015.02.036subject
Has Abstractpub_date
2015-05-01 00:00:00pages
3-9issue
1eissn
0021-9150issn
1879-1484pii
S0021-9150(15)00126-4journal_volume
240pub_type
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