格拉克托-寡糖化物修饰乳清蛋白分离物 改善环胺诱导的免疫抑制作用
Ji-Hua Mao1, Yang Wang1, Wen-Mei Chen1
1National R&D Center for Freshwater Fish Processing, College of Chemistry and Chemical Engineering, College of Life Science, Jiangxi Normal University, Nanchang, Jiangxi 330022, China.
International journal of biological macromolecules
|August 11, 2024
概括
乳清蛋白分离物 (WPI) 与银-寡糖 (GOS) 结合,显著增强了小鼠的巨细胞功能和免疫反应. WPI-GOS结合了改善的免疫器官,肠道屏障和细胞因子水平,激活了NFκB通路.
科学领域:
- 免疫学 免疫学 免疫学
- 营养科学 营养科学
- 生物化学 生物化学
背景情况:
- 免疫抑制是一个重大的健康挑战,需要新的治疗策略.
- 调节肠道微生物群和免疫路径为增强免疫系统提供了一个有希望的途径.
- 乳清蛋白分离物 (WPI) 和寡糖因其潜在的健康益处而得到认可.
研究的目的:
- 调查乳清蛋白分离物 (WPI) 与银寡糖 (GOS) 和果寡糖 (FOS) 结合的免疫调节作用.
- 评估WPI-GOS结合物的对RAW264.7巨细胞和CTX诱导免疫抑制小鼠的影响.
- 阐明涉及肠道微生物群,血清代谢物和信号通路的潜在机制.
主要方法:
- 制备和表征WPI-GOS和WPI-FOS联合物.
- 在体外评估对RAW264.7巨细胞功能的结合作用.
- 在体内研究,使用循环胺 (CTX) 诱导的免疫抑制小鼠.
- 对免疫器官指数,肠道屏障完整性,细胞因子水平 (IL-1β,IFN-γ),肠道微生物群组成,血清代谢和信号通路激活 (NFκB,mTOR,ABC载体) 的分析.
主要成果:
- 与WPI-FOS合物相比,WPI-GOS合物在RAW264.7巨细胞中显示出优越的糖化,结构展开和增强的功能指标.
- 在免疫抑制小鼠中,WPI-GOS结合了修复的免疫器官和肠道屏障功能.
- 用WPI-GOS结合物的治疗增加了IL-1β和IFN-γ的血清水平.
- 由WPI-GOS合物诱导的肠道微生物群和血清代谢物的改变导致NFκB通路的激活,加强免疫系统.
- 观察到NFκB,mTOR信号传递和ABC载体之间的潜在关联.
结论:
- WPI-GOS结合物具有显著的免疫调节特性,增强先天性和适应性免疫反应.
- WPI-GOS合物的有益作用是通过肠道微生物群调节,代谢变化和NFκB信号通路的激活来实现的.
- 需要进一步的研究,以充分阐明在WPI-GOS中介免疫调节中将NFκB,mTOR和ABC载体连接在一起的复杂机制.
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