在小鼠的肠道免疫功能上Ophiopogon japonicus多糖的调节作用
Fangzhu Lin1, Lin Yu1, Xuanqi Lu1
1College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, PR China.
International journal of biological macromolecules
|October 17, 2025
概括
在小鼠中,Ophiopogon japonicus多糖 (OJP) 增强了肠道免疫力和肠道健康. 这种功能性食物成分可以促进免疫反应,改善肠道微生物平衡,显示出免疫支持的前景.
科学领域:
- 免疫学 免疫学 免疫学
- 药理学 药理学是指药理学的学科.
- 微生物学 微生物学
背景情况:
- 功能性食用植物Ophiopogon japonicus含有多糖,具有潜在的健康益处.
- 肠道免疫和肠道平衡对整体健康至关重要.
- 环胺 (CTX) 是一种常见的诱导免疫抑制的化疗剂.
研究的目的:
- 为了研究Ophiopogon japonicus多糖 (OJP) 的免疫调节作用.
- 在健康和免疫抑制小鼠模型中评估OJP对肠道免疫的影响.
主要方法:
- 提取了OJP并对功能组和单糖组成进行了表征.
- 对健康小鼠和CTX诱导的免疫抑制小鼠口服OJP.
- 评估了肠道免疫标志物,免疫细胞活性,基因表达,肠道微生物群和身体健康指数.
主要成果:
- 在健康小鼠中,OJP增强了分泌IgA (sIgA) 水平,IgA+细胞,以及中腔淋巴结 (MLN) 和皮耶尔贴片 (PPs) 中的免疫细胞激活.
- 在免疫抑制小鼠中,OJP部分恢复了体重,改善了血液指数,增强了细胞因子分泌,并增强了免疫细胞活性.
- 在这两种模型中,OJP上调了与免疫相关的基因表达,促进了紧结蛋白表达,并改善了肠道微生物的多样性和丰富性.
结论:
- 奥菲奥波冈日本多糖 (OJP) 显示出显著的免疫调节作用,增强肠道免疫力和肠道平衡.
- 在临床应用中,OJP显示出作为支持免疫功能和肠道健康的天然剂的潜力.
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