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Asses the wound healing activity of Polyvinyl alcohol – Deflazacort (PVA-DEF) nanofibers mats synthesized by electrospinning technology. PVA-DEF nanofiber mats were created with various PVA polymer concentrations using an electrospinning process. The morphological features and diameter of the electrospun nanofibrous mats were investigated using scanning electron microscopy (SEM). The  in vitro  DEF release rate from PVA electrospun nanofibrous mats was evaluated. In addition to assessing wound healing activity  in vivo , histological, and immunochemical tests were conducted. Results revealed a uniform and smooth surface of the fiber with an average diameter of the selected fibers of 533.9 nm ± 45.83. Also, PVA electrospun nanofiber mats showed an initial burst release of more than 50% of the DEF in 1 h, and the rest of the DEF was released gradually for up to 480 min. Fickian diffusion is the main DEF release mechanism from PVA electrospun nanofiber mats. In male Wistar albino rats with 1 cm 2  excision wounds,  in vivo  studies revealed a significant improvement in wound healing rate  via  modulation of tumor necrosis factor-alpha (TNF-α) and vascular endothelial growth factor (VEGF) expression. PVA-DEF nanofiber mats can be used effectively for improving wound healing.

Electrospun PVA nanofiber mat for topical Deflazacort delivery: accentuated anti-inflammatory efficacy for wound healing