Add time:07/12/2019         Source:sciencedirect.com

Trans-anethole (TA) is a phenolic phytocompound widely used in the food and health sector because of its diverse biological properties. However, its role in the promotion of bone formation is not known. With the enhanced bioavailability of TA, we aimed to determine its effect on osteogenesis; TA at different concentrations (5, 10, and 20 μM) was loaded onto polycaprolactone (PCL)/polyvinylpyrrolidone (PVP) fibers by the electrospinning technique. The synthesized PCL/PVP + TA fibers were subjected to physiochemical and material characterization. The addition of TA did not have any effect on fiber thickness, swelling, protein adsorption, degradation, or biomineralization. The fibers were compatible with mouse mesenchymal stem cells (mMSCs). A sustained release of TA from the fibers promoted osteoblast differentiation at the cellular and molecular levels. Furthermore, the release of TA from fibers up-regulated the expression of Runx2, a bone transcription factor, and its co-activators, which are key molecules for osteoblast differentiation. Thus, these results provide insights into the bioavailability of TA in promoting in vitro osteoblast differentiation and the potential applications of TA in bone regeneration.

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