在患有刺激性肠综合征的患者中进行综合代谢和微生物分析
Yeongseo Kim1, Mee-Hyun Lee1,2, Seung-Ho Seo3
1Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
刺激性肠综合征 (IBS) 涉及改变的肠道微生物和代谢变化,特别是脂肪酸代谢. 这些肠道微生物变化和代谢变化可能解释IBS病理生理学及其症状.
科学领域:
- 微生物学 微生物学
- 代谢学 代谢学 代谢学
- 胃肠病学 胃肠病学
背景情况:
- 刺激性肠综合征 (IBS) 是一种复杂的胃肠疾病,其病理生理学不清楚.
- 肠道微生物群和宿主代谢越来越被认为是IBS的关键因素.
研究的目的:
- 为了研究肠道微生物组成和IBS患者的代谢概况之间的关系.
- 确定有助于IBS病理生理学的特定微生物和代谢变化.
主要方法:
- 在IBS患者和健康对照 (HC) 中对血/尿路代谢物概况和肠道微生物群组成进行比较分析.
- 统计分析以确定微生物丰富度和代谢物水平的显著差异.
- 特定微生物特征和代谢途径之间的相关性分析.
主要成果:
- 在IBS患者和HC患者之间,整体微生物多样性没有显著差异.
- 在IBS患者中,特定细菌的丰度较高: *Christensenellaceae* R-7群, *Clostridium* sensu stricto 1和 *Negativibacillus*.
- 在34种血代谢物中观察到显著差异,与碳水化合物,氨基酸和脂肪酸代谢相关的途径通常受到干扰. 脂肪酸代谢与特定的肠道微生物 (*Clostridium* sensu stricto 1, *Negativibacillus*, *Klebsiella*) 有关.
结论:
- 综合代谢和肠道微生物数据,可以全面了解IBS病理生理学.
- 肠道微生物群和全身新陈代谢,特别是脂肪酸新陈代谢之间的功能相互作用可能会将肠道失调与IBS中的代谢变化联系起来.
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