///Plasma rich in growth factors promotes dermal fibroblast proliferation, migration and biosynthetic activity

Plasma rich in growth factors promotes dermal fibroblast proliferation, migration and biosynthetic activity

Date: November 11, 2016

The use of plasma rich in growth factors (PRGF) has gained importance in many medical fields due to its regenerative potential. The aim of this study is to evaluate the effects of PRGF on primary skin fibroblasts assessing cell proliferation, migration and secretion of growth factors. The age of the patients from who PRGF was prepared was also studied to determine whether it influenced the outcomes.

Human dermal fibroblasts were isolated from three healthy volunteers. Using PRGF-Endoret technology, PRGF was prepared from two groups of different ages (18–35 years and 50+ years). The effects of increasing concentration of PRGF (5%, 10% and 20%) on cell proliferation and migration was evaluated. Biosynthetic behaviour of cells was also analysed measuring vascular endothelial growth factor (VEGF), transforming growth factor b1 (TGFb1) and pro-collagen type I secreted levels with or without PRGF treatment.

Mean platelet enrichment reached 2.4X and 2X in 18–35 and 50+ groups respectively. A dose-dependent response was observed in proliferation assays achieving the highest levels with 20% PRGF. Migration was also promoted in cells but not in a dose-dependent manner. Cell proliferation and migration outcomes obtained with PRGF (from both groups) were significantly higher compared to non-stimulated groups (p<0.05), with no statistical significances were observed between the different age groups. Production of VEGF, TGFb and procollagen type I was significantly increased by cells treated with PRGF, however, with the exception of VEGF, no statistical significances were observed between the different age groups.

Results from this study concluded that PRGF is safe and effective in stimulating skin regeneration by enhancing proliferation, migration and expression of pivotal bioactive molecules involved in wound healing and haemostasis.



PRP means Platelet Rich Plasma. The Plasma liquid in the blood includes red and white blood cells and platelets. Platelets form 10% of the plasma and in the concept of PRP, the platelet ratio is flipped to 90%. It is given in the form of an injection to patients looking to treat tissue damages, skin issues etc.
A non-surgical therapy in nature, PRP is used for healing in several medicine fields including sports medicines and orthopedics. PRP is nothing but the patient’s own blood which is administered in a way such that the healing components (growth factors) present in the platelets are released, thus fuelling fast recovery.
PRP is majorly useful in cases of soft tissue injuries, including ligament sprains, muscle pulls / tears, tendon tears, tendonitis and tendinosis. It has been an effective way to treat cartilage degeneration like arthritis as well.
With its methodology, PRP is developed to heal the injured region through the initiation of growth factors in your platelets. It is a cure and not just a temporary solution to limit any injury.
In most cases, the procedure can be well tolerated by patients but there may be soreness after the injection as PRP induces


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