Effects of IQW and IRW on Inflammation and Gut Microbiota in ETEC-Induced Diarrhea.

Effects of IQW and IRW on Inflammation and Gut Microbiota in ETEC-Induced Diarrhea.
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IQW 和 IRW 对 ETEC 引起的腹泻中炎症和肠道微生物群的影响

DOI:
10.1155/2021/2752265
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发表时间:
2021
影响因子:
4.6
通讯作者:
Liu G
Liu G
中科院分区:
医学3区
文献类型:
--
作者:
Liu N;Zhou L;Fang J;Jiang H;Liu G

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将小鼠随机分为4组:(A)对照组(CTRL),(B)ETEC组,(C)IQW-ETEC组,(D)IRW-ETEC组。苏木精-伊红染色后测量绒毛长度和隐窝深度。采用酶联免疫吸附试验(ELISA)检测炎性细胞因子(肿瘤坏死因子-α、IL-1β、IL-6、IL-10)对炎症反应的影响。使用16S核糖体RNA对结肠中的微生物区系进行了测序。绒毛长度减少,隐窝深度减少,炎性细胞因子(肿瘤坏死因子-α、IL-1β、IL-6、IL-10)表达增加。IRW-ETEC组和IQW-ETEC组的Shannon指数下降(P<0.05)。与对照组相比,益气活血丸和益气活血汤提高了细菌、变形杆菌、梭状芽孢杆菌、乳螺科和别杆菌的丰度;相反,降低了变形杆菌、白毛纲、普氏杆菌和黄杆菌的丰度(P <0.05)。本研究证实,添加IQW和IRW可减轻空肠炎症,增加微生物群落多样性。
The mice were randomly distributed into four groups: (a) control (CTRL) group, (b) ETEC group, (c) IQW-ETEC group, and (d) IRW-ETEC group. Villus length and crypt depth were measured after hematoxylin and eosin staining. The inflammatory reaction was analyzed via inflammatory cytokines (i.e., TNF-α, IL-1β, IL-6, and IL-10) using the enzyme-linked immunosorbent assay (ELISA). The microbiota in the colon was sequenced using 16S ribosomal RNA. The villus length decreased, the crypt depth decreased, and the expression of inflammatory cytokines (i.e., TNF-α, IL-1β, IL-6, and IL-10) increased due to ETEC. In the IRW-ETEC and IQW-ETEC groups, the Shannon index decreased (P < 0.05). IQW and IRW increased the abundance of Firmicutes, Proteobacteria, Clostridiales, Lachnospiraceae, and Alloprevotella; contrastingly, it decreased the abundance of Epsilonproteobacteria, Erysipelotrichales, Prevotellaceae, and Flavobacteriaceae compared to the ETEC group (P <0.05). This study ascertained that the addition of IQW and IRW could alleviate jejunal inflammation and increase microbiota community diversity.
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