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Open Access Mesenchymal Stromal Cell-Based Treatment of Jaw Osteoradionecrosis in Swine

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Jaw osteoradionecrosis (ORN) is a common and serious complication of radiation therapy for head and neck cancers. Bone marrow mesenchymal stromal cells (BMMSCs) are multipotent postnatal stem cells and have been widely used in clinical therapies. In the present study, we generated the mandibular ORN model in swine using a combination of single-dose 25-Gy irradiation and tooth extraction. A typical ORN phenotype, including loss of bone regeneration capacity and collagen collapse with the obliteration of vessels, gradually appeared after irradiation. After autologous BMMSC transplantation, new bone and vessels were regenerated, and the advanced mandibular ORN was treated successfully. In summary, we developed a swine model of jaw ORN, and our results indicate that autologous BMMSC transplantation may be a promising therapeutic approach for ORN.
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Keywords: Bone marrow mesenchymal stromal cells (BMMSCs); Bone regeneration; Jaw osteoradionecrosis (ORN); Large animal model; Swine

Document Type: Research Article

Publication date: 2012-08-01

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  • Cell Transplantation publishes original, peer-reviewed research and review articles on the subject of cell transplantation and its application to human diseases. To ensure high-quality contributions from all areas of transplantation, separate section editors and editorial boards have been established. Articles deal with a wide range of topics including physiological, medical, preclinical, tissue engineering, and device-oriented aspects of transplantation of nervous system, endocrine, growth factor-secreting, bone marrow, epithelial, endothelial, and genetically engineered cells, among others. Basic clinical studies and immunological research papers are also featured. To provide complete coverage of this revolutionary field, Cell Transplantation will report on relevant technological advances, and ethical and regulatory considerations of cell transplants. Cell Transplantation is now an Open Access journal starting with volume 18 in 2009, and therefore there will be an inexpensive publication charge, which is dependent on the number of pages, in addition to the charge for color figures. This will allow work to be disseminated to a wider audience and also entitle the corresponding author to a free PDF, as well as prepublication of an unedited version of the manuscript.

    Cell Transplantation is now being published by SAGE. Please visit their website for the most recent issues.

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