Factores de crecimiento en el plasma: herramienta terapéutica en dermatología
2020
Abstract: Platelets contain a large amount of growth factors involved in the processes of tissue healing. Among them, plateletderived growth factor (PDGF), transforming growth factor (TGF), platelet factor 4 (PF4), interleukin (IL) -1, angiogenic factor derived from platelets (PDAF) , the endothelial growth factor (VEGF), the epidermal growth factor (EGF), the plateletderived endothelial growth factor (PDEGF), the epithelial cell growth factor (ECGF) and the Insulin like growth factor (IGF). Platelet-rich plasma (PRP) is a concentrated whole blood derivate with a high concentration of platelets. Another essential component of PRP are proteins acting on cell adhesion (fibrin, fibronectin and vitronectin), which provide the structural support necessary for cell migration and proliferation as well as three-dimensional growth of the tissues on which they act. Fibrin is the activated form of fibrinogen, the final substrate of all coagulation reactions. It is transformed into insoluble fibrin by the action of thrombin. e polymerized fibrin gel constitutes the first cicatricial matrix of wounds. Both plateletrich plasma and fibrin meshes vary in the composition and concentration of growth factors, proteins and cytokines. In this work we review the characteristics of these biological products, their application in dermatology as well as main requirements for their preparation
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