What question did this study set out to answer?

To determine whether epidermal stem cell-derived exosomes carrying miR-203a-3p promote diabetic wound healing by regulating SOCS3 expression and macrophage polarization.

February 8, 2023Diabetes Research and Clinical PracticeOpen Access

Analysis of miR-203a-3p/SOCS3-mediated induction of M2 macrophage polarization to promote diabetic wound healing based on epidermal stem cell-derived exosomes

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Authors

HYHao YangUniversity of Illinois Urbana-Champaign HXHailin XuSun Yat-sen University ZWZhiyong WangThird Affiliated Hospital of Guangzhou Medical University

Discussion

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Implication

Preclinical study demonstrates accelerated wound healing in diabetic mice via exosomal miR-203a-3p and M2 macrophage polarization, indicating a promising therapeutic strategy.

Key Points

To determine whether epidermal stem cell-derived exosomes carrying miR-203a-3p promote diabetic wound healing by regulating SOCS3 expression and macrophage polarization.
Extracted exosomes from epidermal stem cells and identified SOCS3-targeting microRNAs using high-throughput sequencing.
Assessed M2 macrophage polarization, SOCS3 levels, and JAK2/STAT3 pathway activation in vitro using qPCR, western blotting, and flow cytometry.
Evaluated wound healing progression in vivo using a diabetic db/db mouse model treated with miR-203a-3p agomir.
Epidermal stem cell-derived exosomes enriched with miR-203a-3p directly targeted and suppressed SOCS3 expression.
Downregulation of SOCS3 activated the JAK2/STAT3 signaling cascade to stimulate anti-inflammatory M2 macrophage polarization in vitro.
Administration of miR-203a-3p agomir markedly accelerated cutaneous wound healing in diabetic db/db mice.

Cite This Study

Yang et al. (2023) studied this question.

synapsesocial.com/papers/6aa27b19e7c447fa74a899d0 https://doi.org/10.1016/j.diabres.2023.110573

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Implication

Preclinical study demonstrates accelerated wound healing in diabetic mice via exosomal miR-203a-3p and M2 macrophage polarization, indicating a promising therapeutic strategy.

Analysis of miR-203a-3p/SOCS3-mediated induction of M2 macrophage polarization to promote diabetic wound healing based on epidermal stem cell-derived exosomes

Discussion

Member takes

Implication

Key Points

Cite This Study

Analysis of miR-203a-3p/SOCS3-mediated induction of M2 macrophage polarization to promote diabetic wound healing based on epidermal stem cell-derived exosomes

Discussion

Member takes

Implication

Key Points

Cite This Study

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