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Scientific Research

THE ROLE OF VEGF AND BMP-2 IN STIMULATION OF BONE HEALING WITH USING HYBRID BIO-COMPOSITE SCAFFOLDS COATED IMPLANTS IN ANIMAL MODEL

2020
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Author : Rady A., Mostafa A., Mohamed A., Hegazy M., Hamdy S., Fathy S., Abdel-Hamid

The use of an equine derived collagen membrane in an experimental study in dogs

Osteogenesis and angiogenesis are two closely correlated processes during bone growth, development, remodeling, and repair. Vascular endothelial growth factor (VEGF) is an essential mediator during the process of angiogenesis. The bone morphogenetic protein (BMP-2) family of growth factors plays critical roles in bone formation. VEGF has the potential to enhance BMPs-induced bone formation. This study attempted to assess VEGF and BMP-2 reflecting the effect of hybrid bio-composite scaffold on bone healing in dogs and evaluate the quality of the healing process radiologically. This study was conducted on 12 adult mongrel dogs. All dogs were divided into four equal groups (n = 3 each): chitosan non-medicated (CH) (NM), chitosan medicated (CH) (M), chitosan bioglass non-medicated (CH.BG) (NM), and Chitosan Bioglass Medicated (CH.BG) (M). VEGF and BMP-2 were evaluated during fracture healing. Results show a non-significant decrease in serum VEGF activity in the (CH.BG) (M) group when compared to other groups during 2, 3 weeks, followed by gradual decrease, then increase at 12 weeks of interval period. There was highly significant increase from pre-surgery to 12 weeks in serum BMP-2 levels in the (CH.BG) (M) group when compared to other groups. Biochemical parameters along with clinical and radiographical provide sound knowledge on the degree of bone healing with the use of chitosan bio-glass medicated by risedronate sodium drug. The statistical analysis will include the Fisher exact test and T test with significance level P < 0.05 (AU).

PRODUCTS USED: Biocollagen Membrane

Bulletin of the National Research Centre
1-9

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