胸腺醇通过调节肠道屏障损伤,肠道微生物群和氨基酸代谢通路来缓解肠炎
Ziwen Ma1, Xin Wen1, Yahan Zhang1
1College of Animal Science and Technology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
乙醇 (THY) 通过减少炎症和改善肠道屏障功能,有效地治疗小鼠的大肠炎. 它的治疗效果是由肠道微生物群组成和功能的有益变化介导的.
科学领域:
- 药理学 药理学是指药理学的学科.
- 胃肠病学 胃肠病学
- 微生物学 微生物学
背景情况:
- 硫醇 (THY),一种性单烯,表现出抗氧化,抗炎和免疫调节的特性.
- 肠道微生物群在维持肠道平衡和影响诸如结肠炎等炎症状况方面发挥着至关重要的作用.
研究的目的:
- 在小鼠的酸 (DSS) 诱导的大肠炎中研究蒂莫尔 (THY) 的治疗和保护作用.
- 阐明THY作用背后的机制,特别关注其对肠道微生物群组成和功能的影响.
主要方法:
- 向患有DSS诱导的大肠炎的小鼠给予THY (40和80 mg/kg).
- 对临床症状,结肠损伤,炎症性细胞因子水平 (IL-1β,IL-6,IL-18) 和肠道屏障标记物 (MUC1,MUC2,TFF3) 的评估.
- 使用16S rRNA测序,便微生物移植 (FMT),元基因组学和非向代谢学分析肠道微生物组组成.
主要成果:
- 在大肠病小鼠中,THY治疗显著缓解了临床症状和结肠损伤.
- THY抑制了结肠炎症性细胞因子的产生,并增强了肠上皮质屏障完整性标记物.
- THY调节了肠道微生物群,增加了 * 细菌体 * 和减少了 * 蛋白质菌 * ,FMT证实了微生物群的关键作用. 标志性THY微生物群被确定为*Prevotellaceae*,THY上调氨基酸代谢途径.
结论:
- 乙醇 (THY) 通过调节肠道微生物群和增强肠道屏障功能,显示出对结肠炎的显著治疗潜力.
- THY的有益作用与它改变微生物组成和调节特定代谢途径的能力有关.
- 甲基醇 (THY) 显示出作为改善宿主肠道健康的功能添加剂的希望.
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