丹申多糖类减轻AFB1诱导的Jejunal损伤
Lu Zhang1, Xincheng Gong1, Shijia Zhang1
1College of Traditional Chinese Veterinary Medicine, Hebei Agricultural University, Baoding 071001, China.
丹申多糖 (DSP) 通过恢复有益的肠道细菌,增强抗氧化能力和加强肠道屏障,保护肠道免受阿弗拉托xin B1 (AFB1) 的侵害. 这项研究揭示了DSP.
科学领域:
- 微生物学 微生物学
- 毒理学 毒理学 毒理学
- 免疫学 免疫学 免疫学
背景情况:
- 非洲毒素B1 (AFB1) 是一种致癌性食物中传播的毒素,会导致肠道损伤.
- 丹申多糖 (DSP) 具有肠道平衡和抗炎性质.
研究的目的:
- 调查DSP在子中对AFB1诱导的肠损伤的保护作用.
- 阐明DSP保护作用的基本机制.
主要方法:
- 新西兰白同时暴露于DSP和AFB1.
- 分析了肠道微生物组成,氧化应激标志物,肠道屏障功能和炎症途径.
主要成果:
- DSP纠正了AFB1诱导的肠道失生症,增加了有益细菌和微生物多样性.
- 通过调节关键标志物 (DAO,D-乳酸盐,MDA,T-AOC,GSH-Px,ZO-1,奥克卢丁,克劳丁-4,MUC2,sIgA),DSP减轻了氧化应激和肠道屏障功能障碍.
- 通过降低LPS,TLR4,MyD88和NF-κB信号的调节,DSP抑制了关炎症.
结论:
- DSP通过肠道微生物群重塑,增强抗氧化剂防御和加强肠道屏障功能来缓解AFB1诱导的关损伤.
- DSP通过抑制TLR4介导的炎症途径来发挥其保护作用.
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