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An Oligodeoxynucleotide That Induces Differentiation of Bone Marrow Mesenchymal Stem Cells to Osteoblasts in Vitro and Reduces Alveolar Bone Loss in Rats with Periodontitis

Author(s): Yuqin Shen | Zhiyuan Feng | Chongtao Lin | Xu Hou | Xueju Wang | Jing Wang | Yongli Yu | Liying Wang | Xinhua Sun

Journal: International Journal of Molecular Sciences
ISSN 1422-0067

Volume: 13;
Issue: 3;
Start page: 2877;
Date: 2012;
Original page

Keywords: oligodeoxynucleotide | bone marrow mesenchymal stem cells | osteoblasts | differentiation | periodontitis

To investigate the effect of oligodeoxynucleotides (ODNs) on the differentiation of rat bone marrow mesenchymal stem cells (BMSCs) to osteoblasts, in order to find a candidate ODN with potential for the treatment of periodontitis, a series of ODNs were designed and selected to test their effect on the promotion of the differentiation of BMSCs to osteoblasts in vitro and on the repair of periodontal tissue in rats with periodontitis. It was found that MT01, one of the ODNs with the sequences of human mitochondrial DNA, stimulated the proliferation of BMSCs, the differentiation of BMSCs to osteoblasts and mRNA expression of bone-associated factors including Runx2, Osterix, OPG, RANKL and collagen I in vitro. In vivo study showed that MT01 prevented the loss of alveolar bone in the rats with periodontitis and induced the production of proteins of OPG and Osterix in the bone tissue. These results indicated that MT01 could induce differentiation of BMSCs to osteoblasts and inhibit the alveolar bone absorption in rats with periodontitis.
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