实用肝脏病杂志 ›› 2025, Vol. 28 ›› Issue (3): 354-357.doi: 10.3969/j.issn.1672-5069.2025.03.009

• 非酒精性脂肪性肝病 • 上一篇    下一篇

代谢相关脂肪性肝病患者回肠菌群特征研究*

卫涛涛, 刘天烨, 戴高中   

  1. 210046 江苏省无锡市 南京中医药大学附属无锡医院消化科
  • 收稿日期:2025-01-04 发布日期:2025-05-14
  • 通讯作者: 戴高中,E-mail:daigaozhong@126.com
  • 作者简介:卫涛涛,男,38岁,医学硕士,副主任医师。E-mail:wtttoby@163.com
  • 基金资助:
    *江苏省无锡市卫生健康委青年基金资助项目(编号:Q202161);南京中医药大学科研基金资助项目(编号:XZR2021068)

Characterization of ileal microbiome in patients with metabolic-associated fatty liver disease

Wei Taotao, Liu Tianye, Dai Gaozhong   

  1. Department of Gastroenterology, Wuxi Hospital Affiliated to Nanjing University of Chinese Medicine, Wuxi 210046, Jiangsu Province, China
  • Received:2025-01-04 Published:2025-05-14

摘要: 目的 探讨代谢相关脂肪性肝病(MAFLD)患者回肠末端菌群特征。方法 2024年1月~2024年11月我院诊治的MAFLD患者54例和健康人18例,均接受FibroScan行受控衰减参数(CAP)检测,使用内镜和特殊装置进镜至回肠取样,采用16S rDNA测序。结果 本组MAFLD轻度、中度和重度患者分别为18例、18例和18例;MAFLD患者回肠菌群Alpha多样性升高,苏黎世杆菌占比随病情严重逐步下降,乳杆菌和韦荣氏球菌属丰度下降,而纤毛菌属、普氏菌属和卟啉单胞菌丰度增加。结论 MALFD患者回肠菌群多样性和菌群丰度发生改变,与疾病的严重程度相关。苏黎世杆菌减少,口腔定植菌的迁移可能是MAFLD患者回肠菌群特征表现的原因。

关键词: 代谢相关脂肪性肝病, 内镜下回肠取样, 回肠菌群, 苏黎世杆菌, 菌群迁移

Abstract: Objective The aim of this study was to investigate characteristics of ileal microbiota in patients with metabolic associated fatty liver disease (MAFLD). Methods 54 patients with MAFLD and 18 individuals for physical examination were recruited in our hospital between January 2024 and November 2024, all underwent FibroScan scan for controlled attenuation parameter (CAP) and endoscopy with special device for ileal specimen collection. 16S rDNA sequencing was performed. Results Patients with MAFLD in our series were divided into mild, moderate and severe liver steatosis, with 18 cases in each; patients with MAFLD had an elevated Alpha diversity of ileal flora, with a gradual decrease in percentage of Turicibacter, a reduction in abundance of Lactobacillus and Veillonella, while having an increase in the abundance of Prevotella, Leptotrichia and Porphyromonas. Conclusion The diversity and abundance of ileal microbiota in patients with MAFLD change, which is related to the severity of the entity. The reduction of Turicibacter and the migration of oral colonizing bacteria might be characteristics of the ileal microbiota in patients with MAFLD.

Key words: Metabolic related fatty liver disease, Endoscopic sampling, Ileal flora, Turicibacter bacteria, Flora migration