一年无质饮食影响肠道功能和微生物群在腹腔疾病
Carolyn M Costigan1, Frederick J Warren2, Anthony P Duncan3
1Nottingham Digestive Diseases Centre, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, United Kingdom; NIHR Nottingham Biomedical Research Centre, Nottingham University Hospitals NHS Trust, Nottingham, United Kingdom.
概括
乳病 (CD) 改变了肠道功能和微生物群,无质饮食 (GFD) 显示了部分改善. GFD减少了有益的Bifidobacteria,影响了碳水化合物代谢.
科学领域:
- 胃肠道学和免疫学
- 微生物组研究的研究.
- 饮食干预措施 饮食干预措施
背景情况:
- 结核病 (CD) 主要通过无质饮食 (GFD) 进行管理.
- 对CD和随后的GFD对肠道生理学和微生物组成的具体影响仍然不完全理解.
研究的目的:
- 调查新诊断的乳病 (CD) 对肠道功能和微生物组合的影响.
- 评估一年坚持无质饮食 (GFD) 对这些参数的影响.
主要方法:
- 36名新诊断的CD患者和36名健康志愿者 (HVs) 的观察队列研究.
- 使用MRI评估小肠水含量 (SBWC),全肠传输时间 (WGTT) 和结肠体积.
- 便样本的枪式基因组测序,以确定物种水平的丰度和基因功能,包括碳水化合物活性酶 (CAZymes).
主要成果:
- 与HV患者相比,患有CD的患者表现出明显更高的SBWC和延迟的WGTT.
- 虽然GFD改善了幸福感,但它并没有完全恢复肠道功能到控制水平.
- 与CD相关的微生物群显示蛋白质分解功能增加和Bifidobacteria减少,GFD后Blautia wexlerae增加.
- 观察到CAZyme配置文件的变化,特别是那些涉及粉和阿拉比诺基兰降解的变化.
结论:
- 结肠病显著影响肠道功能和肠道微生物群.
- 无质饮食可以部分改善这些影响,但不能完全逆转它们.
- GFD导致Bifidobacteria的减少,这可能与小麦抗性粉和阿拉比诺基兰的摄入量减少有关.
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