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Dr. Musgrave is Chief Resident, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pa. Dr. Fu is David Silver Professor and Chairman, Department of Orthopaedic Surgery, University of Pittsburgh Medical Center, Pittsburgh. Dr. Huard is Associate Professor, Departments of Orthopaedic Surgery, Molecular Genetics and Biochemistry, and Bioengineering, University of Pittsburgh, Pittsburgh.
Reprint requests: Dr. Huard, Room 4151, Rangos Research Center, 3705 Fifth Avenue, Pittsburgh, PA 15213-2583.
A new biologic era of orthopaedic surgery has been initiated by basic scientific advances that have resulted in the development of gene therapy and tissue engineering approaches for treating musculoskeletal disorders. The terminology, fundamental concepts, and current research in this burgeoning field must be understood by practicing orthopaedic surgeons. Different gene therapy approaches, multiple gene vectors, a multitude of cytokines, a growing list of potential scaffolds, and putative stem cells are being studied. Gene therapy and tissue engineering applications for bone healing, articular disorders, intervertebral disk pathology, and skeletal muscle injuries are being explored. Innovative methodologies that ensure patient safety can potentially lead to many new treatment strategies for musculoskeletal conditions.
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