Plasma rich in growth factors promotes bone tissue regeneration by stimulating proliferation, migration, and
Eduardo Anitua1, Ricardo Tejero, Mari Mar Zalduendo
1eduardoanitua@eduardoanitua.com
Background:
Alveolar bone loss can be a major clinical concern affecting both functionality and esthetics. Osteoblasts are the main cells charged with the repair and regeneration of missing bone tissue. Plasma rich in growth factors (PRGF) allows delivery of a cocktail of proteins and growth factors that promote wound healing and tissue regeneration to the site of injury. This study tests the effect of this endogenous regenerative technology to stimulate alveolar osteoblast bone-forming potential.
Methods:
Primary human osteoblasts were retrieved from alveolar bone of patients undergoing oral surgery. Cell proliferation was evaluated, and culture inserts and permeable transwell supports were used to assess cell migration and chemotaxis. The expression of differentiation markers was quantified by enzyme-linked immunosorbent assay.
Results:
PRGF succeeded in increasing proliferation, migration, and chemotaxis of osteoblasts. Also, PRGF significantly enhanced the autocrine expression of two relevant proangiogenic factors, vascular endothelial growth factor and hepatocyte growth factor, and three markers of osteoblastic activity, procollagen I, osteocalcin, and alkaline phosphatase.
Conclusion:
The results indicate that PRGF can stimulate some of the biologic processes of the main cells responsible for bone regeneration and help support the positive clinical outcomes that have been reported with this technology.
Related Concept Videos
Hormones and Bone Tissue
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
Role of Hematopoietic Growth Factors
Thrombopoietin (TPO), mainly released by the liver,...
Bone Remodeling
Osteoclasts in Bone Remodeling
Bone Cells and Tissue
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Growth of Cartilage and Bone Tissue

