The effect of chrysin-loaded nanofiber on wound healing process in male rat

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Wound healing is an inflammatory process. Chrysin, a natural flavonoid found in honey, has been recently investigated to have anti-inflammatory and antioxidant effects. In this work, the effects of chrysin-loaded nanofiber on the expressions of genes that are related to wound healing process such as P53, TIMPs, MMPs, iNOS, and IL-6 in an animal model study were evaluated. The electrospinning method was used for preparation the different concentrations of chrysin-loaded PCL-PEG nanofiber (5%, 10%, and 20% [w/w]) and characterized by FTIR and SEM. The wound healing effects of chrysin-loaded PCL-PEG nanofiber were in vivo investigated in rats, and the expressions of genes related to wound healing process were evaluated by real-time PCR. The study results showed chrysin-loaded PLC-PEG compared to chrysin ointment and control groups significantly increase IL-6, MMP-2, MMP-8, MMP-9, TIMP-1, and TIMP-2 (p < .05). On the other hand, nanofibers containing chrysin significantly decreased p53 and iNOS expression compared to chrysin ointment and control groups (p < .05). According to the results, chrysin-loaded PCL-PEG-PCL nanofibers have positive effects on the expression of the genes that have pivotal role in wound healing.

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