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There is an increasing need for translational studies identifying molecular targets contributing to atherosclerotic plaque destabilization. Local molecular plaque markers that are related to plaque vulnerability may hold predictive value to identify patients who are at increased risk to suffer from cardiovascular events. Animal studies revealed that adipocyte fatty acid binding protein (FABP4) is associated with the progression of atherosclerosis; however, FABP4 expression studies in human atherosclerotic plaques are lacking. We investigated FABP4 expression in carotid atherosclerotic lesions in relation to plaque composition and future cardiovascular events.

Atherosclerotic plaques were obtained from 561 patients undergoing carotid endarterectomy (CEA). Plaques were analysed for the presence of macrophages, lipid core, smooth-muscle cells …