斯维丁可以通过肠道微生物群调节缓解硫酸德克斯在小鼠中的诱导的结肠炎
Junlin Ge1, Yuting Ye1, Jiaxuan Yang1
1College of Food Science and Engineering, Northwest A&F University, Yangling 712100, China.
Journal of agricultural and food chemistry
|September 10, 2025
概括
维 (PSV) 蛋白质通过减少炎症和改善肠道屏障功能来预防结肠炎. 它的保护作用主要通过调节肠道微生物群组成来调节,正如便微生物群移植实验所证实的那样.
科学领域:
- 生物化学 生物化学
- 胃肠病学 胃肠病学
- 微生物学 微生物学
背景情况:
- 饮食中的蛋白质可以减轻性结肠炎.
- 维 (PSV) 是一种酸化蛋白质,具有抗炎和抗氧化特性.
研究的目的:
- 在小鼠模型中评估PSV对硫酸 (DSS) 诱导的大肠炎的预防性疗效.
- 阐明PSV保护作用的潜在机制.
主要方法:
- 在给予DSS之前,小鼠接受了PSV (50mg/kg) 治疗4周.
- 大肠炎被诱导使用2.5%的DSS1周.
- 分析了肠道微生物群组成和炎症标志物.
- 从接受PSV治疗的捐赠者身上进行了便微生物群移植 (FMT).
主要成果:
- PSV干预显著降低了肠道炎症和促炎细胞因子水平 (例如TNF-α).
- PSV保留了肠道屏障的完整性.
- PSV调节了肠道微生物群,增加了多样性并改变了特定的细菌丰度 (例如,增加了Lachnospiraceae,减少了Escherichia-Shigella).
- 接受PSV治疗的小鼠的FMT改善了结肠炎症状,突出显示了微生物群的作用.
结论:
- 在小鼠中,PSV显示了对DSS诱导的大肠炎的预防作用.
- 主要机制涉及肠道微生物群的调节.
- PSV代表了炎症性肠道疾病的潜在治疗策略.
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