在脂质合成和肠道菌群调节方面,Inonotus obliquus的多糖改善了超脂血症
Li Yang1, Tingting Miao1, Jiahui Wu1
1School of Chinese Materia Medica, Beijing University of Chinese Medicine, Norteast corner of intersection of Sunshine South Street and Baiyang East Road, Fang-Sham District, Beijing, 102448, China.
International journal of biological macromolecules
|July 14, 2025
概括
在高脂肪饮食中的小鼠中,Inonotus obliquus多糖 (IOP) 有效降低了脂质和减少了脂肪. IOP还调节了肠道微生物群,表明其作为超脂血症功能性食物的潜力.
科学领域:
- 生物化学 生物化学
- 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:
- 长期高脂肪饮食诱导代谢障碍,如脂肪肝和超脂血症.
- 多糖体显示出作为天然降脂剂的前景.
- 需要阐明Inonotus obliquus多糖 (IOP) 的特定降脂机制.
研究的目的:
- 为了提取和描述来自Inonotus obliquus (IOP) 的多糖类.
- 为了研究IOP的物理化学特性.
- 评估高脂肪饮食小鼠模型中IOP的低脂性活性和潜在机制.
主要方法:
- 使用SEM和FTIR进行IOP的提取和结构性表征.
- 分析单糖化合物组成和分子量.
- 给高脂肪饮食的小鼠服用IOP,然后进行代谢参数评估,脂质沉积分析,基因表达概况分析和肠道微生物群分析.
主要成果:
- IOP表现出典型的多糖特征,其分子量为9.637kDa.
- IOP显著改善了血清脂质概况,并减少了肝脏组织和脂肪细胞中的脂质沉积.
- IOP调节了肠道微生物群的组成,增加了短链脂肪酸的产生,并降低了脂质生成基因的调节.
结论:
- 的多糖具有显著的低脂和抗炎作用.
- IOP通过调节肝脏脂质生成和调节肠道微生物群来发挥其降脂作用.
- IOP显示出作为预防和治疗高脂血症的功能性食品成分的潜力.
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