基于肠道微生物群的新陈代谢有助于保护伪酸B对MAFLD的保护
Ting-Yu Song1, Xiu-Fang Yang1, Jun-Yi Wang1
1College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
伪酸B (PAB) 通过恢复肠道微生物群和激活酸/酸受体通路来改善与代谢功能障碍相关的脂肪肝疾病 (MAFLD). 这突出了PAB作为MAFLD的潜在治疗方法.
科学领域:
- * 药理学 药理学 药理学
- * 胃肠病学 胃肠病学
- * 微生物学 微生物学
背景情况:
- *代谢功能障碍相关的脂肪肝疾病 (MAFLD) 发病与肠道微生物群失调有关.
- * 伪酸B (PAB),一种来自Pseudolarix kaempferi的双类,正在研究其在MAFLD中的治疗潜力.
- *这项研究探讨了PAB通过微生物群-代谢物-宿主信号通路的影响.
研究的目的:
- * 调查PAB在改善高脂肪饮食诱导的小鼠MAFLD的疗效.
- *阐明PAB影响肠道微生物群,代谢物和宿主信号的机制.
- * 确定MAFLD治疗的潜在治疗目标和策略.
主要方法:
- *对高脂肪饮食养小鼠对MAFLD的PAB影响的评估.
- *16S rRNA测序和代谢学分析肠道微生物群和代谢物变化.
- * 便微生物群移植 (FMT) 验证肠道微生物群的作用.
- * 机理学研究包括分子对接,MST,西斑,免疫光和PCR.
- * 用候选代谢物进行体内干预以评估治疗效果.
主要成果:
- * PAB治疗缓解了MAFLD的症状,并修复了肠道微生物群失调,特别是增加了g_Faecalibaculum,g_Allobaculum,g_Ileibacterium和g_Dubosiella.
- * PAB干预丰富了托代谢途径,增加了巴氨酸 (CA) 水平.
- *CA补充改善了MAFLD,显示出肝脏保护作用.
- *CA直接结合于基碳化合物受体 (AhR),激活AhR/IL-22/JAK1/STAT3通路,以降低肝脏脂质生成的调节.
结论:
- * PAB通过重组肠道微生物群和激活CA/AhR/IL-22信号轴,对MAFLD产生保护作用.
- * 这种机制减少了肝脏脂质生成,提供了新的微生物群-代谢物-宿主相互作用洞察力.
- * PAB被确定为MAFLD的前生物基治疗候选药物.
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