富含糖分的食物加剧了抗生素诱导的微生物损伤
bioRxiv : the preprint server for biology
|October 28, 2024
概括
在抗生素治疗期间饮食中摄入的糖分会破坏肠道微生物群,增加像Enterococcus这样的病原生物. 避免糖果可能会保护微生物组免受抗生素诱导的损伤.
科学领域:
- 微生物学 微生物学
- 胃肠病学 胃肠病学
- 营养科学 营养科学
背景情况:
- 肠道微生物群的组成对健康至关重要,并与各种疾病有关.
- 了解影响肠道微生物群的因素是开发向治疗的关键.
- 住院患者,特别是那些接受造血细胞移植的患者,容易受到微生物组失生症的影响.
研究的目的:
- 研究饮食,特别是糖摄入对住院患者肠道微生物组动态的影响.
- 阐明饮食,抗生素暴露和微生物组破坏之间的关系.
- 为了验证在抗生素治疗期间糖消耗和肠球菌扩张之间的联系,研究结果.
主要方法:
- 从住院患者的便样本中对肠道微生物组合的纵向分析.
- 量化饮食摄入量,包括卡路里和糖的消耗,与微生物组数据相关.
- 贝叶斯推理用于确定饮食因素和微生物组变化之间的关联.
- 在小鼠中的实验验证,以确认糖糖对抗生素诱导的Enterococcus扩张的影响.
主要成果:
- 卡路里摄入量与便微生物群多样性有相关性.
- 在暴露于抗生素期间摄入糖果或糖类与微生物组破坏有关,其特点是微生物的多样性较低.
- 抗生素暴露与糖摄入相结合导致了病原体Enterococcus的扩散.
- 实验模型证实了糖糖会加剧抗生素诱导的Enterococcus扩张.
结论:
- 饮食中的糖摄入量显著影响肠道微生物组的动态,特别是在抗生素治疗期间.
- 在抗生素治疗期间避免含糖的食物可能会减轻微生物群的损伤,并防止有害细菌的扩散.
- 这些发现对设计饮食干预措施有影响,以支持脆弱患者群体的肠道健康.
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