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Emodin-Enhanced hUC-MSC extracellular vesicles alleviate acute pancreatitis by targeting inflammation and pyroptosis
Xiong Liu1,2, Xianwei Huang3,4,5, Xiaodong Huang1,2
1Department of Emergency, School of Medicine, The First Affiliated Hospital of Xiamen University, Xiamen University, Xiamen, China.
Background:
Acute pancreatitis (AP) is a complex condition requiring immediate treatment. Both extracellular vesicles derived from human umbilical cord mesenchymal stem cells (hUC-MSC-EVs) and emodin, a naturally occurring anthraquinone used in traditional Chinese medicine, have shown therapeutic potential in treating AP. However, the mechanisms by which hUC-MSC-EVs and emodin alleviate AP, and whether they exert a synergistic effect on inflamed pancreatic tissues, remain unclear.
Objective:
Our study aimed to evaluate the efficacy of emodin, hUC-MSC-EVs, and their combination in AP, explore synergistic mechanisms, and propose hUC-MSC-EVs as a novel drug delivery strategy for therapeutic applications.
Design:
In this study, we developed AP cell, organoid, and animal models to compare the effects of emodin, hUC-MSC-EVs, and emodin-loaded hUC-MSC-EVs on cell viability, inflammation, and pyroptosis.
Results:
Our data revealed that all three treatments improved cell viability, reduced pro-inflammatory cytokine expression, and inhibited pyroptosis in the AP models. Notably, the encapsulation of emodin significantly enhanced the protective effects of hUC-MSC-EVs.These findings suggest that emodin's protective effects on inflamed pancreatic tissues may be attributed, at least in part, to its anti-inflammatory and anti-pyroptotic properties. Additionally, our study proposes a novel strategy for engineering hUC-MSC-EVs for potential therapeutic applications in AP treatment.
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Assessment:
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