Sequential igf-1 and bmp-6 releasing chitosan/alginate/plga hybrid scaffolds for periodontal regeneration
2017
Duruel, Tuğba | Çakmak, Anıl Sera | Akman, Abdullah | Nohutcu, Rahime M. | Gümüşderelioğlu, Menemşe
The goal of periodontal tissue engineering is to repair or regenerate the destructed or lost periodontium by improving functions of cells in the remaining tissue. For continuty of cell growth process, two group of growth factors, i.e. competence factors and progression factors, are needed to act together. However, the short biological half-life of these factors limits their effects on cells and their clinical efficacy. The purpose of this study is to develop different microparticles-loaded chitosan carriers/scaffolds for controlled and sequential delivery of a competence factor, insulin-like growth factor (IGF-1), and progression factor, bone morphogenetic factor-6 (BMP-6). Alginate and poly (lactic-co-glycolic acid) (PLGA) microparticles provided release of IGF-1 and BMP-6 for early short period and for long period, respectively. The cell culture studies showed that, chitosan/alginate/PLGA hybrid scaffolds induced proliferation and osteoblastic differentiation of cementoblasts when compared with IGF-1 and BMP-6 free chitosan scaffold.
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