MRC1 and coronary artery disorder: To investigate the mechanisms by which expression of inflammatory cytokines is elevated in EAT of the CAD patients, we performed immunohistochemistry against CD68, a marker for all types of macrophages, CD11c, a marker for inflammatory M1 macrophage (Lumeng et al., 2007), and CD206, a marker for anti-inflammatory M2 macrophage (Bourlier et al., 2008) (Figure 3).