Targeting DNA methylation and demethylation in diabetic foot ulcers

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Targeting DNA methylation and demethylation in diabetic foot ulcers
Jun-YuDengabcXing-QianWucWen-JieHecXinLiaodMingTangeXu-QiangNieabce
Journal of Advanced Research; 25 January 2023
Highlights
•Introduced the four main phases of wound healing and their abnormality in diabetic patients.
•Provided an in-depth summary and discussion on how DNA methylation and demethylation regulate diabetic wound healing in different types of cells.
•Gave a brief summary on recent advances in applying cellular reprogramming techniques for improving diabetic wound healing.

Background
Poor wound healing is a significant complication of diabetes, which is commonly caused by neuropathy, trauma, deformities, plantar hypertension and peripheral arterial disease. Diabetic foot ulcers (DFU) are difficult to heal, which makes patients susceptible to infections and can ultimately conduce to limb amputation or even death in severe cases. An increasing number of studies have found that epigenetic alterations are strongly associated with poor wound healing in diabetes.

Aim of review: This work provides significant insights into the development of therapeutics for improving chronic diabetic wound healing, particularly by targeting and regulating DNA methylation and demethylation in DFU.

Key scientific concepts of review: DNA methylation and demethylation play an important part in diabetic wound healing, via regulating corresponding signaling pathways in different breeds of cells, including macrophages, vascular endothelial cells and keratinocytes. In this review, we describe the four main phases of wound healing and their abnormality in diabetic patients. Furthermore, we provided an in-depth summary and discussion on how DNA methylation and demethylation regulate diabetic wound healing in different types of cells; and gave a brief summary on recent advances in applying cellular reprogramming techniques for improving diabetic wound healing.
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