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. 2018 Nov 13;5:317. doi: 10.3389/fmed.2018.00317

Figure 3.

Figure 3

Platelets as regulators of angiogenesis. Platelets are able to both stimulate and inhibit the process of angiogenesis due to a variety of mediators stored in their granules. Furthermore, platelets are suggested to recruit circulating regenerative cells to the site of vascular lesion supported by soluble mediators. How these cells then contribute to tissue remodeling is still a matter of debate. BM-PC, bone marrow derived progenitor cells; bFGF, basic fibroblast growth factor, EC, endothelial cell; EGF, epidermal growth factor; HGF, hepatocyte growth factor; MMPs, matrix metalloproteinases; PDGF, platelet derived growth factor; PF4, platelet factor 4; P-sel, P-selectin; PSGL1, P-selectin glycoprotein ligand-1; PTL, platelet; S1P, sphingosine-1-phosphate; SDF-1, stromal cell-derived factor 1; TIMPs, tissue inhibitors of matrix metalloproteinases; TSP-1, thrombospondin 1; VEGF, vascular endothelial growth factor.