手术后的肺部感染是否与胃癌手术后的肠道菌群相关? - 一个嵌套的病例控制研究
Jie Yang1, Yuhua He1, Xi Liao1
1Colorectal Cancer Center, West China Hospital, Sichuan University/West China School of Nursing, Sichuan University, Chengdu, China.
Frontiers in microbiology
|November 29, 2023
概括
肠道微生物与胃癌患者的手术后肺部感染有关. 准肠道微生物组和短链脂肪酸 (SCFA) 途径可能有助于预防这些感染.
科学领域:
- 微生物组研究的研究.
- 胃肠道瘤学 胃肠道瘤学
- 传染性疾病传染性疾病.
背景情况:
- 手术后的肺部感染是胃癌手术的重要并发症.
- 人们越来越认识到肠道微生物在术后并发症中的作用.
研究的目的:
- 调查肠道微生物与胃癌患者手术后肺部感染之间的相关性.
- 阐明不同功能基因在疾病进展中的机制.
主要方法:
- 嵌套病例控制研究设计.
- 16SrDNA和便样本的基因组分析.
- 收集临床数据和血液样本.
主要成果:
- 在手术后肺部感染的患者中观察到肠道微生物组功能基因的显著变化.
- 鉴定出了克莱布西埃拉,埃舍雷拉和其他细菌的丰富种群.
- 肠道菌群和炎症因素与脂多糖和短链脂肪酸 (SCFA) 合成途径有关.
结论:
- 肠道细菌如Klebsiella和Escherella调节脂多糖合成途径,导致肺部感染.
- 被破坏的SCFA合成途径会影响炎症和免疫抑制.
- 准肠道微生物组和SCFA通路可以预防胃癌患者手术后的肺部感染.
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