Ex vivo gene therapy to produce bone using different cell types

Douglas S. Musgrave, Patrick Bosch, Joon Y. Lee, Dalip Pelinkovic, Steve C. Ghivizzani, Janey Whalen, Christopher Niyibizi, Johnny Huard

Research output: Contribution to journalArticle

112 Scopus citations

Abstract

Gene therapy and tissue engineering promise to revolutionize orthopaedic surgery. This study comprehensively compares five different cell types in ex vivo gene therapy to produce bone. The cell types include a bone marrow stromal cell line, primary muscle derived cells, primary bone marrow stromal cells, primary articular chondrocytes, and primary fibroblasts. After transduction by an adenovirus encoding for bone morphogenetic protein-2, all of the cell types were capable of secreting bone morphogenetic protein-2. However, the bone marrow stromal cell line and muscle derived cells showed more responsiveness to recombinant human bone morphogenetic protein-2 than did the other cell types. In vivo injection of each of the cell populations transduced to secrete bone morphogenetic protein-2 resulted in bone formation. Radiographic and histologic analyses corroborated the in vitro data regarding bone morphogenetic protein-2 secretion and cellular osteocompetence. This study showed the feasibility of using primary bone marrow stromal cells, primary muscle derived cells, primary articular chondrocytes, primary fibroblasts, and an osteogenesis imperfecta stromal cell line in ex vivo gene therapy to produce bone. The study also showed the advantages and disadvantages inherent in using each cell type.

Original languageEnglish (US)
Pages (from-to)290-305
Number of pages16
JournalClinical orthopaedics and related research
Issue number378
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Surgery
  • Orthopedics and Sports Medicine

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