Allogeneic mesenchymal stem cell therapy for bisphosphonate-related jaw osteonecrosis in Swine.
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| Abstract |
Bisphosphonates (BPs), which are used to treat a variety of clinical disorders, have the side effect of jawbone necrosis. Currently, there is no reliable treatment for BP-related osteonecrosis of the jaw (BRONJ) due to a lack of understanding of its pathogenesis. To investigate the pathogenesis of BRONJ and observe the treatment effect of bone marrow mesenchymal stem cell (BMMSC) transplantation, we established a preclinical animal model of BRONJ in miniature pigs (minipigs). After treatment with zoledronic acid, the clinical and radiographic manifestations of BRONJ could be observed in minipigs after first premolar extraction. The biological and immunological properties of BMMSCs were impaired in the BP-treated minipigs. Moreover, the ratio of Foxp3-positive regulatory T-cells (Tregs) in peripheral blood decreased, and interleukin (IL)-17 increased in the serum of BP-treated minipigs. After allogeneic BMMSC transplantation via intravenous infusion, mucosal healing and bone reconstruction were observed; IL-17 levels were reduced; and Tregs were elevated. In summary, we established a clinically relevant BRONJ model in minipigs and tested a promising allogeneic BMMSC-based therapy, which may have potential clinical applications for treating BRONJ.
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| Authors | Yunsheng Li, Junji Xu, Lisha Mao, Yi Liu, Runtao Gao, Zongmei Zheng, Wanjun Chen, Anh Le, Songtao Shi, Songlin Wang |
| Journal | Stem cells and development (Stem Cells Dev) Vol. 22 Issue 14 Pg. 2047-56 (Jul 15 2013) ISSN: 1557-8534 [Electronic] United States |
| PMID | 23461552 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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