摘要
背景: 沿脑肠微生物群(BGM)轴的条件可显著促进阿尔茨海默病(AD)的发病机制。动物研究的证据表明,益生菌通过BGM轴调节情绪、认知和应激反应。然而,益生菌对AD的影响需要在临床前和临床研究中更好地阐明。 方法: 我们根据PRISMA编写了本系统综述。在PubMed、科学网、Embase和虚拟健康图书馆(VHL)中搜索关于益生菌在实验性AD中作用的原创文章。 结果: 根据无元分析综合(SWiM)指南,结果以叙述性综合的形式呈现。17项研究符合入选标准。结果表明,由于认知测试中的表达改善,益生菌单独或混合治疗AD的实验模型具有显著效果。 结论: 此外,在大多数纳入的研究中,可以观察到炎症过程减少、肽激素浓度增加、脑内胰岛素稳态、抗氧化酶增加、β-淀粉样蛋白沉积和tau过度磷酸化减少。益生菌的补充似乎改善了认知测试的表现,并增加了实验模型中能够延缓AD神经变性过程的物质的浓度。
关键词: 阿尔茨海默病,益生菌,神经变性,神经保护,肠道,实验模型。
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