乳二通过重塑肠道微生物群来缓解非酒精性脂肪肝炎,以调节与血清素相关的途径
Li Ding1, Jia-Ying Xu2, Li-Li Zhang1
1School of Public Health, Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China.
Journal of advanced research
|November 18, 2025
概括
乳酸 (LF) 通过改善肠道微生物群,增强血清激素信号传递和增强脂肪酸氧化来对抗非酒精性脂肪肝炎 (NASH). 这项研究揭示了LF.
科学领域:
- 代谢障碍 代谢障碍 代谢障碍
- 肝病学 肝病学是一种肝病学.
- 微生物组研究的研究.
- 免疫学 免疫学 免疫学
背景情况:
- 乳酸 (LF),一种糖蛋白,影响葡萄糖和脂质代谢.
- 非酒精性脂肪肝炎 (NASH) 是与代谢功能障碍相关的日益关注的问题.
- 了解LF在NASH病变发生中的作用对于治疗开发至关重要.
研究的目的:
- 调查乳酸 (LF) 对非酒精性脂肪肝炎 (NASH) 的直接影响.
- 阐明LF在NASH中的作用的基本机制.
- 探索LF对肝脂代谢,炎症和肠道微生物群的影响.
主要方法:
- 在体内研究使用高脂肪,高胆固醇胆酸盐含量饮食 (HFCCD) 的小鼠模型.
- 在体外研究中,使用自由脂肪酸 (FFA) 处理的HepG2和AML12细胞.
- 肠道微生物群分析,包括抗生素耗尽和便微生物群移植.
- 对HTR2A-PPARα-CPT-1A信号通路的研究.
主要成果:
- 在接受HFCCD养的小鼠中,LF缓解了肝脂积累和肝损伤.
- 肺炎缓解了氧化应激,抑制了cGAS/STING通路,并减少了M1巨细胞的两极分化.
- 肺炎改善了肠道微生物群失调,增加了短链脂肪酸水平,并调节了肠肝血清激素信号传递.
- 通过HTR2A-PPARα-CPT-1A通路,LF促进脂肪酸β-氧化,在体外和共同培养系统中得到证实.
结论:
- 乳酸 (LF) 显示出对NASH的显著肝脏保护作用.
- 脂肪通过重塑肠道微生物群,调节血清信号传递,增强脂肪酸氧化作用.
- 肠肝轴和血清激素信号传递是NASH中LF治疗益处的关键调解者.
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