在性结肠炎中使用益生菌治疗的临床前证据:机制,有效性和翻译视角
Mihad Omer1, Hassabelrasoul O Awad2, Omer I Omer3
1Department of Nephrology, University of Miami, Miller School of Medicine/Jackson Health System, Miami, FL 33136, United States.
益生菌通过改善肠道细菌,增加有益的短链脂肪酸和加强肠道屏障,有效地减少动物模型中的性结肠炎症状. 新型益生菌显示出增强的疗效,为人类研究铺平了道路.
科学领域:
- 胃肠病学 胃肠病学
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
背景情况:
- 性结肠炎 (UC),是一种炎症性肠病 (IBD),受到肠道微生物群的显著影响.
- 益生菌促进有益的肠道细菌,正在成为UC的治疗策略.
研究的目的:
- 在动物模型中审查各种益生菌类和它们对大肠炎的影响的证据.
- 阐明益生菌可缓解大肠炎的多因素机制.
主要方法:
- 在大肠炎的动物模型中,对各种益生菌 (例如纤维,葡萄糖,耐性粉,新型益生菌) 进行研究的综述.
- 分析包括肠道微生物群调节,短链脂肪酸 (SCFA) 生产,肠道屏障功能和免疫反应在内的机制.
主要成果:
- 益生菌通过恢复肠道微生物群的多样性和丰富性来持续缓解大肠炎.
- 观察到SCFA的产量增加,肠道屏障完整性增强 (上调紧结蛋白和粘素),以及调节的免疫反应 (减少促炎细胞因子,增加抗炎介质).
- 与天然对应物相比,新型益生菌显示出更高的疗效.
结论:
- 益生菌通过复杂的肠道-免疫-微生物群轴调节对大肠炎产生治疗作用.
- 这些发现支持精密益生菌治疗的潜力,并为未来的人类临床试验提供了基础.
- 从农业副产品和微生物发酵中提取的具有成本效益的益生菌候选物对营养药物应用具有前景.
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