The GF are found in the inner side of the platelets ( Alfa granules), they are freed to act with a hormone called : “tyrosinkinase” which stimulates mitosis within the cells’s nucleous of the receptor cell.


  • The growth factors are chemotactic to fibroblasts, to neutrophils and to monocytes.
  • Mitotic for fibroblasts and for other cells, stimulates the production of collagen and controls its destruction.
  • Stimulates keratinocytes’s growth.
  • Promotes proteins synthesis, and improves healing.
  • Stimulates the neo vascularization and the tissues re-epithelization .