Burns : journal of the International Society for Burn Injuries
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Type 2 diabetes mellitus (T2DM) is an important reason to cause chronic wound healing or even amputation to patients. A common characteristic of T2DM is the presence of hyperglycemia. Autophagy, a cellular pathway which related to protein and organelle degradation, is relevant to many types of cellular homeostasis change and human diseases including diabetes. ⋯ Then we examined the expression levels of TNF-α, TLR-4 and p62 to assess inflammatory statement. High glucose induced a significant increasement in the expression of both autophagic markers and inflammatory markers and these elevated protein levels were reversed after the use of wnt7a. Therefore, these results showed that wnt7a regulates overwhelmed autophagy and inflammation promoted under high glucose condition.
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Electrospinning process has gained importance in the production of wound dressings in recent years. The wound dressings prepared by electrospinning method provide many advantages over conventional wound dressings. The aim of this study was to assess the histological, biochemical, and immunohistochemical evaluation of collagen/doxycycline loaded nanofiber wound dressing in both acute and chronic wound healing. ⋯ According to the biochemical analyses, it was concluded that the nanofiber wound dressing helps to increase antioxidant capacity and decrease lipid peroxidation. Immunohistochemical studies showed that nanofiber wound dressing enhanced angiogenesis and shortened the inflammatory phase. It was concluded that an effective and safe prototype nanofiber wound dressing, which has similar wound healing effect to the commercial product, has been developed to be used in acute or chronic wound treatment.