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与代谢功能障碍相关的脂肪性肝病中的NAD代谢疗法:肠道微生物群的可能作用
Xinyi Lu1,2, Rui Yang2, Yu Chen2
1Wuxi Medical Center, Nanjing Medical University, Jiangsu 211166, China.
iScience
|February 26, 2024
概括
尼古丁胺胺氨基二核酸 (NAD) 在治疗与代谢功能障碍相关的脂肪性肝病 (MASLD) 中表现有前途. 肠道微生物,特别是Prevotella,可以增强NAD代谢并改善MASLD的结果.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 微生物学 微生物学
- 代谢过程中的代谢.
背景情况:
- 与代谢功能障碍相关的脂肪性肝病 (MASLD),以前称为NAFLD,源于肝脏代谢的改变.
- 尼古丁胺胺氨基二核酸 (NAD) 是一种关键的代谢调节剂,在MASLD模型中显示出治疗潜力.
- 肠道微生物群通过NAD前体代谢在MASLD预防中的作用已被建议,但在机制上尚不清楚.
研究的目的:
- 研究微生物群-肠-肝轴和NAD代谢在MASLD进展中的机制.
- 探索NAD增强线粒体活动如何重塑肠道微生物群并影响MASLD.
- 在MASLD中识别与NAD代谢相关的特定微生物特征.
主要方法:
- 对微生物群-肠-肝轴和MASLD中的NAD代谢现有文献的综述.
- 在MASLD患者的肠道微生物体特征分析.
- 在NAD和BCAA相关的脂肪酸代谢中微生物作用的推断.
主要成果:
- 在某些MASLD患者的肠道微生物组中观察到Prevotella的显著变化,与NAD水平有关.
- 普雷沃特拉似乎通过增强碳代谢来调节NAD池.
- 普雷沃特拉在调节与分支链氨基酸 (BCAA) 相关的脂肪酸代谢方面发挥作用.
结论:
- 肠道微生物群在MASLD发育中促进NAD前体代谢.
- 饮食中的NAD前体和特定的肠道微生物可能为MASLD管理提供预防或治疗策略.
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