在ALD和MAFLD中存在不同的真菌特征
Daya Zhang1, Qi Wang1, Da Li1
1Graduate School, Hainan Medical University, Haikou, China.
Frontiers in microbiology
|December 13, 2024
概括
这项研究揭示了酒精相关性肝病 (ALD) 和代谢相关性脂肪肝病 (MAFLD) 中明显的便真菌模式. 一种新的真菌特征有效地区分这些疾病,识别疾病进展的关键真菌生物标志物.
科学领域:
- 胃肠病学和肝病学
- 微生物组研究 微生物组研究
- 在真菌病原体的产生过程中.
背景情况:
- 与酒精相关的肝病 (ALD) 和与代谢相关的脂肪肝病 (MAFLD) 是全球重要的健康问题.
- 人们越来越认识到肠道真菌生物在肝病病原体中的作用.
- 了解微生物差异影响对于有针对性的治疗策略至关重要.
研究的目的:
- 研究便真菌微生物群在ALD和MAFLD中的独特作用.
- 识别特定的真菌特征,区分ALD和MAFLD.
- 探索与疾病进展和特定患者亚组相关的真菌生物标志物.
主要方法:
- 使用真菌内部转录间隔器2 (ITS2) 测序分析的便样本.
- 在48名ALD患者,55名MAFLD患者和64名健康对照人群中比较真菌微生物群概况.
- 统计分析以确定差异丰富的真菌属和物种.
主要成果:
- 在ALD和MAFLD患者之间观察到真菌微生物群的显著差异.
- 一些特定的属 (例如,Trichosporon, Davidiella) 在ALD中增加,而其他属 (例如,Rhizopus,Candida albicans) 在MAFLD中更为普遍.
- 一种真菌特征 (Asterotremella_pseudolonga, Malassezia_restricta, Malassezia) 在区分ALD和MAFLD方面取得了很高的准确性 (AUC0.94).
- 与对照人群相比,ALD患者的Pleosporales未分类和Candida albicans的增加.
结论:
- 一种新的真菌特征有效地区分了ALD和MAFLD.
- Pleosporales未分类成为ALD和MAFLD疾病进展的潜在生物标志物.
- 佩里科尼亚属可能在非肥胖MAFLD的进展中发挥重要作用.
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