地榆对急性溃疡性结肠炎大鼠肠道菌群的影响

LI Li, FENG Zhuang-zhuang,WANG Hui,GAO Jing-miao, ZHAO Han-lin,WANG Yan-wei,ZHANG Mu-qing

Natural Product Research and Development(2021)

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Abstract
本实验旨在从肠道菌群角度探讨地榆对急性溃疡性结肠炎(UC)的保护作用及其初步机制.大鼠随机分为正常组、模型组及地榆低、高剂量组.采用3.5%葡聚糖硫酸钠(DSS)诱导急性UC模型,并予以灌胃给药.记录大鼠DAI疾病评分,HE染色观察组织形态变化,ELISA法检测炎症因子含量,高通量测序技术检测肠道菌群.结果 显示,地榆可显著降低UC大鼠DAI疾病评分(P<0.05),修复其结肠粘膜损伤,降低血清及结肠组织IL-6、IL-1β、TNF-α含量(P<0.05);改善UC大鼠肠道菌群多样性,恢复菌群平衡.研究结果提示地榆可通过调节UC大鼠肠道菌群,修复结肠粘膜屏障,进而发挥治疗急性UC的作用.
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