在不同阶段的严重和轻度急性胰腺炎患者之间对肠道微生物群和代谢物变异的比较研究
Hui Wang1, Yumei Chen1, Yi Han1
1Department of Emergency Medicine, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 200032, China.
在严重的急性胰腺炎 (AP) 中,肠道微生物群的多样性减少,有害细菌增加,有益的细菌减少. 特定的肠道细菌,如Enterococcus和Faecalicatena可能会防止AP的进展.
科学领域:
- 胃肠病学 胃肠病学
- 微生物组研究的研究.
- 代谢学 代谢学 代谢学
背景情况:
- 急性胰腺炎 (AP) 涉及复杂的肠道微生物群和代谢物相互作用.
- 将肠道失调与AP严重程度联系在一起的机制尚未完全理解.
研究的目的:
- 研究严重急性胰腺炎 (SAP) 与轻度急性胰腺炎 (MAP) 的肠道微生物群和代谢物变异.
- 评估这些变异对AP疾病进展的影响.
主要方法:
- 横截面队列研究比较SAP和MAP患者.
- 16S rRNA基因测序和非向的代谢分析.
- 凯格路径分析,斯皮尔曼相关性和门德尔随机化 (MR).
主要成果:
- SAP患者表现出肠道微生物群多样性的减少,在两周内进一步下降.
- 在SAP中观察到致病细菌 (Stenotrophomonas,Enterobacter) 的增加和有益细菌 (Blautia,Ruminococcaceae,Enterococcus,Faecalicatena) 的减少.
- 代谢转变包括上调的脂质和下调的抗氧化剂.
- MR 分析表明,Enterococcus B 和 Faecalicatena 扭矩对 AP 的保护作用.
结论:
- 在SAP和MAP之间,肠道微生物群和代谢物概况显著不同.
- 特定的细菌种群和代谢途径与AP的严重程度和进展有关.
- 研究结果表明,AP管理的潜在治疗目标集中在肠道微生物组调节上.
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