TABLE 1

Functional Imaging Targets in Atherosclerosis

TargetExamples
Endothelial activationAdhesion molecules, class II histocompatibility molecules
Accumulation and activation of cellsWhite blood cells (especially monocytes), smooth muscle cells
Visualization of inflammatory mediatorsFractalkine, chemokine receptors
Metabolic activity of cells within atherosclerotic plaqueGlucose transport
Apoptosis within atherosclerotic plaquePhosphatidyl serine
Plaque procoagulant activityTissue factor, factor XIII
Proteolytic enzymesCathepsin K, matrix-metalloproteinases: gelatinases and collagenases
Reactive oxygen speciesSuperoxide anion (O2), hypochlorous acid
Angiogenesis markersIntegrin αVβ3