Resveratrol Promotes Diabetic Wound Healing via SIRT1-FOXO1-c-Myc Signaling Pathway-Mediated Angiogenesis
Conclusion: Our findings indicate that the positive role of RES in diabetic wound healing via its SIRT1-dependent endothelial protection and pro-angiogenic effects involves the inhibition of FOXO1 and the de-repression of c-Myc expression.
Introduction
Diabetes mellitus is a metabolic disease with an increasing incidence worldwide (Zimmet et al., 2014). The disease often leads to the development of serious complications such as microangiopathy, mainly including retinopathy, nephropathy, neuropathy, and diabetic non-healing skin ulcers (Zheng et al., 2018). Diabetic non-healing skin ulcers such as foot ulcers are caused by diminished wound healing and are among the most serious and costly complications associated with diabetes mellitus. Approximately 20% of moderate or severe diabetic foot ulcers lead to some level of amputation (Lavery et al., 2003; Lipsky et al., 2012).
Angiogenesis, the growth of new blood vessels or neovascularization to nourish damaged tissues, is critical to wound healing, and its disruption plays a major role in the formation of diabetic non-healing skin ulcers (Ackermann et al., 2014). Thus, a central aim of diabetic non-healing skin ulcers therapy is to improve angiogenesis. Vascular endothelial cells have key roles in angiogenesis and the wound healing process (Sawada et al., 2014). However, endothelial dysfunction is the earliest and most fundamental pathological change in diabetes and is responsible for many cardiovascular complications (W...
Source: Frontiers in Pharmacology - Category: Drugs & Pharmacology Source Type: research
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