Temporal-controlled bioactive molecules releasing core-shell nano-system for tissue engineering strategies in endodontics
2019
Abstract Temporal-controlled release of bioactive molecules is of key importance in the clinical translation of tissue engineering techniques. We engineered a core-shell nano-system (TD-NS) that sequentially released transforming growth factor-β1 (TGF-β1), a chemotactic/proliferating growth factor and dexamethasone (Dex), an osteo/odontogenic agent in a temporal-controlled manner. In stage-1, there was a rapid release of TGF-β1, reaching a concentration of 2 ng/mL of TGF-β1 in 7 days to 14 days, which tapers subsequently. In stage-2, Dex was released linearly from 9 days to 28 days. The TD-NS group showed a significantly higher ( P
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