酸盐通过调节Pediococcus acidilactici LW1-1-butyrate-NLRP3炎症酶轴来缓解高尿血症
Yukun Li1, Rongshuang Han1, Rong Wang2
1Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao, 266001, PR China.
酸盐是一种海洋多糖,通过调节肠道细菌,有效降低高尿酸 (HUA) 水平. 它促进有益的细菌和代谢物,增强尿酸分泌,并防止炎症.
科学领域:
- 微生物学 微生物学
- 代谢障碍 代谢障碍 代谢障碍
- 海洋生物技术 海洋生物技术
背景情况:
- 超尿血症 (HUA) 是一种广泛的代谢障碍,与肠道微生物群失调有关.
- 尿酸 (UA) 代谢受到肠道微生物群的显著影响,呈现治疗点.
研究的目的:
- 为了研究酸盐 (Alg) 的保护作用,一种海洋衍生的多糖,对HUA.
- 阐明涉及肠道微生物群调节和代谢物生产的潜在机制.
主要方法:
- 在HUA小鼠模型中使用阿尔金酸盐.
- 隔离和描述Pediococcus acidilactici LW1-1. 的特征
- 分析肠道微生物群的组成,短链脂肪酸的产生 (如酸盐) 和炎症标志物 (NLRP3炎症体).
- 评估肠道屏障功能和尿酸载体ABCG2的表达.
主要成果:
- 在HUA小鼠中,酸盐治疗显著降低了血清UA水平和体重减轻.
- 酸盐选择性丰富的乳酸细菌,包括分离的P. acidilactici LW1-1.
- P. acidilactici LW1-1和丁酸盐缓解了肠道炎症,改善了屏障功能,并上调了ABCG2表达,促进了UA的分泌.
结论:
- 酸盐通过准多糖体-微生物群-代谢物轴,证明了HUA的治疗潜力.
- 益生菌 (P. acidilactici LW1-1) 和益生菌 (酸盐) 干预提供了一个新的HUA管理策略.
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