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Bone morphogenetic proteins: A powerful osteoinductive compound with non‐negligible side effects and limitations
Author(s) -
Oryan Ahmad,
Alidadi Soodeh,
Moshiri Ali,
BighamSadegh Amin
Publication year - 2014
Publication title -
biofactors
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.204
H-Index - 94
eISSN - 1872-8081
pISSN - 0951-6433
DOI - 10.1002/biof.1177
Subject(s) - osseointegration , bone healing , bone morphogenetic protein , bone morphogenetic protein 2 , tissue engineering , biomedical engineering , regeneration (biology) , dentistry , regenerative medicine , medicine , surgery , implant , stem cell , chemistry , microbiology and biotechnology , biology , biochemistry , in vitro , gene
Healing and regeneration of large bone defects leading to non‐unions is a great concern in orthopedic surgery. Since auto‐ and allografts have limitations, bone tissue engineering and regenerative medicine (TERM) has attempted to solve this issue. In TERM, healing promotive factors are necessary to regulate the several important events during healing. An ideal treatment strategy should provide osteoconduction, osteoinduction, osteogenesis, and osteointegration of the graft or biomaterials within the healing bone. Since many materials have osteoconductive properties, only a few biomaterials have osteoinductive properties which are important for osteogenesis and osteointegration. Bone morphogenetic proteins (BMPs) are potent inductors of the osteogenic and angiogenic activities during bone repair. The BMPs can regulate the production and activity of some growth factors which are necessary for the osteogenesis. Since the introduction of BMP, it has added a valuable tool to the surgeon's possibilities and is most commonly used in bone defects. Despite significant evidences suggesting their potential benefit on bone healing, there are some evidences showing their side effects such as ectopic bone formation, osteolysis and problems related to cost effectiveness. Bone tissue engineering may create a local environment, using the delivery systems, which enables BMPs to carry out their activities and to lower cost and complication rate associated with BMPs. This review represented the most important concepts and evidences regarding the role of BMPs on bone healing and regeneration from basic to clinical application. The major advantages and disadvantages of such biologic compounds together with the BMPs substitutes are also discussed. © 2014 BioFactors, 40(5):459–481, 2014

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