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    The effect of chrysin�curcumin-loaded nanofibres on the wound-healing process in male rats

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    Aim: The aim of the present study was to produce chrysin�curcumin-loaded PCL-PEG nanofibres by an electrospinning technique and to evaluate the biological activity of the chrysin�curcumin-loaded PCL-PEG fibres for wound healing and its related genes using in vivo methods. Materials and methods: The electrospinning method was carried out for the preparation of the chrysin, curcumin and chrysin�curcumin-loaded PCL-PEG nanofibres with different concentrations. FTIR and SEM were performed to characterize the chemical structures and morphology of the nanofibres. In vitro drug release, as well as in vivo wound-healing studies were investigated in male rats. The expressions of genes related to the wound-healing process were also evaluated by real-time PCR. Results: Our study showed that the chrysin�curcumin-loaded nanofibres have anti-inflammatory properties in several stages of the wound-healing process by affecting the IL-6, MMP-2, TIMP-1, TIMP-2 and iNOS gene expression. Our results demonstrated that the effect of the chrysin-loaded nanofibre, the curcumin-loaded nanofibre and the chrysin�curcumin-loaded nanofibre in the wound-healing process is dose dependent and in accordance with the obtained results in that it might affect the inflammation phase more than the other stages of the wound-healing process. Conclusion: We have introduced chrysin�curcumin-loaded PCL-PEG nanofibres as a novel compound for shortening the duration of the wound-healing process. © 2019, © 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group
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