通过ROS-p38/ERK MAPK轴抑制缓解功能障碍,可以缓解高尿血症
Qingqing Han1,2, Nan Chen2, Kun Peng3
1Key Laboratory of Forest Plant Ecology, Ministry of Education, Northeast Forestry University, Harbin 150000, China.
Journal of agricultural and food chemistry
|September 1, 2025
概括
通过增加脏排泄和减少氧化应激,乌罗立C有效降低高尿酸水平. 这种肠道代谢物对管理HUA和保护脏具有前景.
科学领域:
- 代谢性疾病
- 肠道微生物群
- 生物活性代谢物
背景情况:
- 高尿血 (HUA) 是一种常见的代谢障碍,治疗选择很少.
- 乌罗素C (UroC) 是由肠道微生物组成的代谢物,对富含基的食物起作用.
研究的目的:
- 调查UroC在HUA管理中的影响和机制.
- 在HUA治疗中将UroC与UroA和UroB进行比较.
主要方法:
- 在体内确定UroC的活性形式的UFLC-MS/MS分析
- 使用HUA小鼠进行体内研究,以评估UroC对血清尿酸 (SUA) 的影响.
- 涉及氧化应激,纤维化标志物和ROS-p38/ERK MAPK信号通路的机制研究.
主要成果:
- 在HUA小鼠中,UroC显著降低了SUA水平,表现优于UroA和UroB.
- 在体内,自由UroC被确定为主要的活性形式.
- UroC增强了脏尿酸分泌,减少了脏氧化应激和纤维化.
- 通过降低ROS产量,UroC抑制了UA诱导的p38/ ERK MAPK激活.
- 通过p38/ERK MAPK抑制,救援实验证实了UroC的机制涉及UA转运器和纤维化标志物.
结论:
- 乌罗立C是一种强效的食物代谢物,用于治疗高尿血症.
- 通过ROS- p38 / ERK MAPK通路促进脏保护并增强尿酸分泌.
- 在治疗高尿血症方面,UroC是一个有前途的治疗候选药物.
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