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Dapagliflozin‐Loaded Exosome Mimetics Facilitate Diabetic Wound Healing by HIF‐1α‐Mediated Enhancement of Angiogenesis

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Angiogenesis plays a critical role in diabetic wound healing. However, no effective strategies have been developed to target endothelial cells (ECs) to facilitate diabetic wound healing. Dapagliflozin (DA) as a… Click to show full abstract

Angiogenesis plays a critical role in diabetic wound healing. However, no effective strategies have been developed to target endothelial cells (ECs) to facilitate diabetic wound healing. Dapagliflozin (DA) as a sodium‐glucose linked transporter 2 (SGLT2) inhibitor, may promote neovascularization in diabetic mice via HIF‐1α‐mediated enhancement of angiogenesis. Here, the bioinspired nanovesicles (NVs) prepared from induced pluripotent stem cells‐derived ECs through an extrusion approach are reported, which can function as exosome mimetics to achieve targeted deliver of DA. Abundant membrane C‐X‐C motif chemokine receptor 4 conferred the EC‐targeting ability of these NVs and the endothelial homology facilitated the accumulation in ECs. Furthermore, these DA‐loaded induced pluripotent stem cells (iPSC)‐EC NVs can facilitate angiogenesis and diabetic wound healing by HIF‐1α/VEGFA pathway. Taken together, this study indicated that targeting ECs and regulating angiogenesis may be a promising strategy for the treatment of diabetic wound healing.

Keywords: wound healing; facilitate diabetic; diabetic wound; angiogenesis; hif mediated

Journal Title: Advanced Healthcare Materials
Year Published: 2022

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