的多糖在小鼠中减轻循环胺诱导的免疫抑制,通过调节淋巴细胞概况和维持肠道平衡来减轻免疫抑制
Jinhui Jia1, Yunqi Gu1, Chunhong Yan1
1State Key Laboratory of Marine Food Processing and Safety Control, National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, China; Dalian Jinshiwan Laboratory, Dalian, Liaoning 116034, China.
的多糖 (OPS) 增强免疫细胞功能和免疫抑制小鼠的肠道健康. OPS增强有益的肠道细菌和免疫细胞因子,显示出作为免疫调节剂的潜力.
科学领域:
- 免疫学 免疫学 免疫学
- 微生物学 微生物学
- 药理学 药理学是指药理学的学科.
背景情况:
- 的多糖 (OPS) 具有抗炎,抗氧化和肠道微生物群调节的特性.
- 需要进一步阐明OPS的免疫调节机制.
研究的目的:
- 研究OPS对循环胺 (Cy) 诱导的免疫抑制小鼠免疫功能的影响.
- 阐明OPS的潜在免疫调节机制.
主要方法:
- 在小鼠中,使用环胺 (Cy) 诱导免疫抑制.
- 分析了免疫细胞概况,肠粘膜损伤,细胞因子分泌,肠道微生物群和代谢物水平.
- 研究了MAPK信号通路的激活.
主要成果:
- 在脏和肠道组织中,OPS调节了免疫细胞概况,增加了CD4+和CD8+T细胞.
- 通过MAPK通路激活,OPS修复了肠粘膜损伤并增强了免疫细胞因子分泌 (IL-2,IFN-γ,IL-1β,TNF-α).
- OPS改善了肠道微生物群的失调,增加了有益的细菌和关键代谢物,如短链脂肪酸.
结论:
- 通过调节免疫细胞和肠道微生物群,OPS有效地改善Cy诱导的免疫抑制.
- 由于其恢复免疫平衡和肠道健康的能力,OPS显示出作为一种新型免疫调节剂的潜力.
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