埃拉基酸通过双向"免疫微生物群"调节效应减轻轮状病毒引起的肠损伤
Jiangang Zheng1,2,3, Zhigang Cao1,2,3, Wafa Yousaf4
1School of Public Health, Changzhi Medical College, Changzhi, Shanxi, China.
Frontiers in cellular and infection microbiology
|January 14, 2026
概括
埃拉基酸 (EA) 通过降低病毒载量和炎症,有效地减少小鼠的轮状病毒 (RV) 感染. 它还恢复了肠道微生物群的平衡,促进有益的乳酸菌种类,并缓解肠道损伤.
科学领域:
- 胃肠病学 胃肠病学
- 微生物学 微生物学
- 免疫学 免疫学 免疫学
背景情况:
- 罗塔病毒 (RV) 感染导致儿童严重的胃肠炎,导致肠道损伤和肠道失生症.
- 埃拉基酸 (EA) 是一种天然的多,正在研究其对VR诱导的肠损伤的潜在治疗作用.
研究的目的:
- 调查埃拉基酸是否可以减轻轮状病毒引起的肠损伤.
- 确定EA在调节宿主免疫力和肠道微生物群中的作用.
主要方法:
- 在BALB/c小鼠模型中,RV被感染并接受EA治疗.
- 分析了病毒载量,炎症标志物 (IL-1β,IL-6,TNF-α),肠道病理,紧结蛋白,TLR4/NF-κB通路和肠道微生物群组成 (16S rDNA测序).
主要成果:
- EA显著降低了VR病毒载量和炎症性细胞因子mRNA水平.
- EA缓解了肠损伤,并增加了紧结蛋白表达 (JAM1,ZO-1,Claudin-4).
- EA抑制了TLR4/NF-κB通路,并增加了有益的乳杆菌物种的丰富性,包括L. johnsonii,L. reuteri和L. gasseri.
结论:
- 埃拉基酸显示出对罗塔病毒引起的肠损伤的保护作用.
- EA通过调节宿主免疫反应和肠道微生物群组成来起作用,支持其作为抗RV治疗剂的潜力.
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