微囊复合益生菌通过PPAR代谢途径对抗肥胖的缓解机制
Yuying Ma1, Shuqin Yan1, Yan Dong1
1Engineering Research Center of Agricultural Microbiology Technology, Heilongjiang Provincial Key Laboratory of Plant Genetic Engineering and Biological Fermentation Engineering for Cold Region & Key Laboratory of Microbiology, College of Heilongjiang Province & School of Life Sciences, Ministry of Education, Heilongjiang University, Harbin, 150080, China.
Probiotics and antimicrobial proteins
|January 6, 2026
概括
微封装化合物益生菌通过通过过氧体增殖器激活受体 (PPARs) 调节脂质代谢并保持肠道健康,有效地对抗肥胖. 这为肥胖管理提供了对orlistat的安全替代品.
科学领域:
- 代谢健康 代谢健康
- 微生物组研究 微生物组研究
- 药理学 药理学是指药理学的学科.
背景情况:
- 肥胖是一个全球性的健康问题,安全的药物治疗方法有限.
- 目前的干预措施,如orlistat有不良影响.
- 益生菌对肥胖管理有希望,但它们的机制,特别是微囊形式,需要进一步阐明.
研究的目的:
- 在高脂肪饮食 (HFD) 诱导的小鼠模型中研究微囊化化合物益生菌的抗肥胖作用.
- 阐明潜在的机制,重点关注过氧体增殖器激活受体 (PPAR).
- 为了比较与orlistat的疗效和安全性概况.
主要方法:
- 在C57BL/6J小鼠的实验中,小鼠被食高脂肪饮食8周.
- 小鼠每天接受微囊化合物益生菌或orlistat的口服测量.
- 评估了体重,食物摄入量,肝硬化,葡萄糖平衡,血清脂质概况和炎症标志物.
- 分析了PPAR-γ表达和肠道微生物多样性 (16S rRNA测序).
主要成果:
- 微封装益生菌显著减少体重增加 (35.68%对HFD组的58.51%),而不会影响食物摄入量.
- 益生菌改善了肝脏肥胖症,维持了葡萄糖平衡,并降低了总胆固醇和IL-6水平.
- 从机制上讲,益生菌降低了PPAR-γ的调节,抑制了脂肪生成,并保持了肠道微生物的多样性 (Shannon指数:5.2与HFD组中的4.1).
- 然而,奥利斯塔特诱导了肠道失调.
结论:
- 微封装复合益生菌为预防和管理肥胖提供了安全有效的策略.
- 它们通过通过PPAR介导的途径调节脂质代谢来减轻肥胖.
- 这些益生菌保护肠道生态,与orlistat不同,突出了它们作为微生态干预的潜力.
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