梨皮中的多可以通过协调调节肠道微生物群和粘膜免疫来预防性结肠炎
Yuhui Ye1, Xiaoyi Jiang2, Yijun Jiang3
1Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China. zcz@jaas.ac.cn.
Food & function
|January 23, 2026
概括
梨皮多 (PPP) 通过减少炎症和改善肠道微生物群,对性结肠炎 (UC) 产生保护作用. 这些发现突出了PPP.
科学领域:
- 胃肠病学 胃肠病学
- 免疫学 免疫学 免疫学
- 微生物组研究 微生物组研究
背景情况:
- 梨皮含有丰富的生物活性多,是整体食品中未得到充分利用的成分.
- 梨皮多 (PPP) 在性结肠炎 (UC) 等炎症性肠道疾病中的作用在很大程度上尚未被探索.
- 性结肠炎 (UC) 是一种慢性炎症疾病,需要新的治疗策略.
研究的目的:
- 调查梨皮多 (PPP) 对性结肠炎 (UC) 的保护作用.
- 阐明PPP的作用背后的机制,包括调节肠道微生物群和粘膜免疫.
主要方法:
- 在体外研究中使用脂多糖 (LPS) 刺激的RAW264.7巨细胞.
- 在体内研究使用硫酸 (DSS) 诱导的大肠炎小鼠模型.
- 分析炎症标志物,肠道微生物群组成,以及粘膜免疫的蛋白质特征.
主要成果:
- 在巨细胞中,PPP显著抑制了促炎性细胞因子和酶表达.
- PPP减轻了UC症状,减少了血清炎症细胞因子,并在DSS诱导的大肠炎中改善了结肠组织组织学.
- PPP调节了肠道微生物群的多样性,丰富了有益的细菌 (例如,Akkermansia),并抑制了有害的细菌.
- PPP降低了免疫球蛋白的产生 (IgM,IgD,IgA) 和减弱的抗原呈现途径 (MHCII类,CD40).
结论:
- 梨皮多 (PPP) 显示出对性结肠炎 (UC) 的显著保护作用.
- PPP通过协调肠道微生物群和粘膜免疫的调节来发挥其益处.
- PPP具有作为促进肠道健康的功能性食品成分的潜力.
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