Physiological role of growth factors and bone morphogenetic proteins in osteogenesis and bone fracture healing: а review

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The repair of large bone defects remains a major clinical orthopedic challenge. Bone regeneration and fracture healing is a complex physiological mechanisms regulated by a large number of biologically active molecules. Multiple factors regulate this cascade of molecular events, which affects different stages in the osteoblast and chondroblast lineage during such processes as migration, proliferation, chemotaxis, differentiation, inhibition, and extracellular protein synthesis. A recent review has focused on the mechanisms by which growth and differentiation factors regulate the fracture healing process. Rapid progress in skeletal cellular and molecular biology has led to identification of many signaling molecules associated with formation of skeletal tissues, including a large family of growth factors (transforming growth factor-β and bone morphogenetic proteins, fibroblast growth factor, insulin-like growth factor, vascular endothelial growth factor, platelet-derived growth factor, cytokines and interleukins). There is increasing evidence indicating that they are critical regulators of cellular proliferation, differentiation, extracellular matrix biosynthesis and bone mineralization. A clear understanding of cellular and molecular pathways involved in fracture healing is not only critical for improvement of fracture treatments, but it may also enhance further our knowledge of mechanisms involved in skeletal growth and repair, as well as mechanisms of aging. This suggests that, in the future, they may play a major role in the treatment of bone disease and fracture repair.

About the authors

S. Sagalovsky

Median Clinic

Author for correspondence.

MD, PhD, Department of Orthopedics

Russian Federation


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Copyright (c) 2015 Sagalovsky S.

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