Subsets of (G) CD3+, (H) macrophages (CD68+, brown), (I) mast-cells (tryptase+), (J) DCs (CD1a+), (K) CD4+ T-cells, and (L) CD8+ T-cells were identified infiltrating the intima. Adhesion molecules and chemotactic factors mediate migration of cells of the immune system into the arterial wall. Leukocyte adhesion and rolling depend on P- Continue Reading