Periodontal tissue regeneration using the cytokine cocktail mimicking secretomes in the conditioned media from human mesenchymal stem cells
2017
Secretomes in the conditioned media from human mesenchymal stem cells (MSC-CM) were previously demonstrated to promote periodontal tissue regeneration. By mixing insulin-like growth factor-1, vascular endothelial growth factor-A, and transforming growth factor-β1 which were included in MSC-CM, we made the cytokine cocktail (CC) mimicking MSC-CM, and then evaluated its efficacy on periodontal tissue regeneration. In vitro, CC promoted the migration of dog bone marrow-derived stem cells and periodontal ligament cells, and the tube formation of human umbilical vein endothelial cells. In vivo, class II furcation defects were surgically created at premolars in dogs. After 4 weeks of vinylpolysiloxane-induced inflammation, defects were filled with or without CC mixed in hydroxypropyl cellulose, or enamel matrix derivative (EMD). After 8 weeks, periodontal tissues were evaluated histologically and immunohistochemically. CC showed promotional effects on angiogenesis and formation of new bone and cementum. Osteogenesis by CC was greater than that by EMD and cementogenesis by CC was as well as that by EMD. CC may be promising for periodontal tissue regeneration.
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