多发性硬化症病毒模型中的肠道微生物群:口服抗生素治疗的调制和陷
Ijaz Ahmad1, Seiichi Omura1, Sundar Khadka1,2
1Department of Microbiology, Faculty of Medicine, Kindai University, 377-2 Ohnohigashi, Osakasayma 589-8511, Osaka, Japan.
Cells
|June 25, 2025
概括
在多发性硬化症 (MS) 病毒模型中研究肠道微生物群显示,抗生素对TMEV诱导的脱髓化的影响很小. 然而,抗生素的使用在小鼠中引起了不良影响,这凸显了需要谨慎的需要.
科学领域:
- 神经免疫学 神经免疫学
- 微生物学 微生物学
- 病毒学 病毒学
背景情况:
- 病毒感染与多发性硬化症 (MS) 相关,多发性硬化症是中枢神经系统 (CNS) 的免疫疾病.
- 泰勒的小鼠脑炎病毒 (TMEV) 感染模式MS类脱髓化.
- 肠道微生物群的改变与TMEV感染中中枢神经系统免疫基因表达相关.
研究的目的:
- 研究肠道微生物群在TMEV诱导的脱髓化中的作用.
- 评估预防性和治疗性抗生素给药对TMEV感染结果的影响.
主要方法:
- 在TMEV感染之前或之后,小鼠接受了抗生素尾酒.
- 分析了便细菌种群,临床症状和组织学脱髓化.
- 测量了抗病毒抗体水平和淋巴增殖反应.
主要成果:
- 抗生素治疗改变了肠道微生物群的组成,减少了特定的细菌类,增加了其他细菌类.
- 预防性抗生素的使用没有显著影响TMEV诱导的脱髓化或免疫反应.
- 治疗性抗生素的使用暂时抑制了神经症状,但由于饮水量减少,导致显著的体重减轻.
结论:
- 通过口服抗生素调节肠道微生物群对TMEV诱导的脱髓化影响有限.
- 在小鼠中服用抗生素可能导致脱水和压力,混实验结果.
- 在动物模型中使用口服抗生素尾酒时应谨慎使用,因为可能会产生副作用.
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