斯维尔提亚 (Swertia chirayita) 通过改善肠道微环境和肝脏脂质生成来改善MAFLD
Xiaoling Gou1, Yihong Shen1, Fenglian Liu1
1School of Ethnic Medicine and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China.
Journal of ethnopharmacology
|March 9, 2026
概括
斯维尔提亚奇拉伊塔 (SC) 通过改善肠道微生物群和胆酸通路,有效治疗与代谢相关的脂肪肝疾病 (MAFLD). 这种天然疗法恢复了肠道健康,并减少了MAFLD大鼠的肝脏脂肪积累.
科学领域:
- 药理学和营养保健品 药理学和营养保健品
- 胃肠病学和肝病学
- 微生物组研究 微生物组研究
背景情况:
- 与代谢相关的脂肪肝病 (MAFLD) 构成了全球重大健康挑战.
- 自然草药正在越来越多地探索MAFLD治疗.
- 传统的西藏草药Swertia chirayita (SC) 在肝脏疾病中有着悠久的使用历史,但其MAFLD机制尚不清楚.
研究的目的:
- 在大鼠模型中研究SC对MAFLD的药理作用.
- 阐明SC的治疗作用背后的机制,重点关注肠道微环境和肝脏脂肪生成.
主要方法:
- 在使用12周高脂肪饮食 (HFD) 的老鼠中诱导了MAFLD.
- SC治疗持续了8周,随后进行了全面的生化,组织学,基因组学,转录学和西部斑点分析.
- 关键分析包括肠道微生物群概况,短链脂肪酸 (SCFA) 量化,胆酸 (BA) 代谢和关键信号通路评估 (FXR/FGF15).
主要成果:
- 在MAFLD小鼠中,SC治疗显著降低了脂肪积累,胰岛素耐药性,肝酶 (AST,ALT) 和脂质样本 (TG,TC,LDL-C).
- SC减弱了系统性炎症 (IL-1β,TNF-α,LPS,IL-6) 并改善了肝脏组织病理学.
- SC恢复了肠道微生物群的多样性和组成,增加了有益的SCFA (黄油酸,酸,酸),增强了肠道屏障功能 (ZO-1,ocludin,claudin-1),并通过FXR/FGF15途径调节了BA代谢,抑制了肝脂发生 (SHP,SREBP-1c).
结论:
- SC显示出对MAFLD具有显著的治疗潜力.
- 它的有效性源于改善肠道微环境,恢复跨王国微生物相互作用,并促进SCFA和胆汁酸等有益的代谢物.
- SC保护肠道屏障,并通过BAs/FXR/FGF15和SHP/SREBP-1c信号通路抑制肝脂发生.
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