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酸调节健康小鼠的肠道微生物群和血液参数
Wenjie Cheng1, Junhong Zhu1, Lanlan Yi1
1Faculty of Animal Science and Technology, Yunnan Agricultural University, Kunming, China.
Frontiers in microbiology
|January 30, 2026
概括
在健康小鼠中补充 propionate (SP) 改变了肠道微生物群组成和免疫标志物,包括增加IL-10和奥克卢丁,而不影响体重或血液参数. 这表明,即使在正常条件下,酸也会影响宿主生理.
科学领域:
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
- 胃肠病学 胃肠病学
背景情况:
- 短链脂肪酸 (SCFA),如酸,对于宿主代谢,免疫力和肠道屏障完整性至关重要.
- 酸对健康个体的精确生理影响需要进一步阐明.
研究的目的:
- 为了研究 propionate (SP) 补充剂对肠道屏障功能,肠道微生物群和健康C57BL/6小鼠的血液学参数的影响.
主要方法:
- 通过口服给小鼠服用200mg/kg propionate (SP) 在21天内.
- 评估体重,肠道组织病理学,血液学参数和结肠SCFA度.
- 对IL-6,IL-10和奥克卢丁表达的免疫组织化学分析.
- 使用16S rRNA测序进行肠道微生物群分析.
主要成果:
- 没有观察到体重,肠道组织病理或一般血液参数的显著变化.
- 免疫组织化学检查显示IL-6减少,IL-10和奥克卢丁表达增加.
- 肠道微生物群分析显示,阿尔法多样性减少,阿克尔曼西亚和细菌类的显着增加.
- 两组之间没有检测到结肠SCFA度的显著差异.
结论:
- 酸补充剂调节了健康小鼠的肠道微生物群组成和免疫标志物.
- 这些发现为在正常生理条件下 propionate 的生理作用提供了洞察力.
- 需要进一步的研究来探索酸的治疗潜力.
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