Electroacupuncture could balance the gut microbiota and improve the learning and memory abilities of Alzheimer's disease animal model.

Electroacupuncture could balance the gut microbiota and improve the learning and memory abilities of Alzheimer's disease animal model.
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电针可平衡肠道菌群,提高阿尔茨海默病动物模型的学习记忆能力

DOI:
10.1371/journal.pone.0259530
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发表时间:
2021
期刊:
影响因子:
3.7
通讯作者:
Ren J
Ren J
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jiang J;Liu H;Wang Z;Tian H;Wang S;Yang J;Ren J

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阿尔茨海默病(Alzheimer's disease,AD)是最常见的痴呆症之一,主要影响世界范围内的老年人。本研究旨在探讨电针改善认知功能和保护神经元效应的可能机制。方法:本研究以加速衰老小鼠8(SAMP 8)为AD动物模型,采用Morris水迷宫、HE染色、肠道菌群16 SrDNA扩增测序和ELISA等方法验证了我们的假设。结果如下:电针可改善SAMP 8小鼠的学习记忆能力电针能显著降低SAMP 8小鼠额叶皮质和海马IL-1β的表达(P<0.05),对SAMP 8小鼠额叶皮质和海马有保护作用(P<0.01)、IL-6(P<0.01)和TNF-α血清和海马组织中P<0.01,血清中P<0.05;电针能平衡肠道菌群的数量和组成,尤其是δ-变形菌(P<0.05)和ε-变形菌(P<0.05)的相对丰度。结论:电针治疗可通过平衡肠道菌群而抑制外周和中枢神经系统炎症反应。
Alzheimer’s disease (AD), as one of most common dementia, mainly affects older people from the worldwide. In this study, we intended to explore the possible mechanism of improving cognitive function and protecting the neuron effect by electroacupuncture. Method: We applied senescence-accelerated mouse prone 8 (SAMP8) mice as AD animal model, used Morris water maze, HE staining, 16S rDNA amplicon sequencing of gut microbiota and ELISA to demonstrate our hypothesis. Results: electroacupuncture improved the learning and memory abilities in SAMP8 mice (P<0.05) and could protect the frontal lobe cortex and hippocampus of SAMP8 mice; electroacupuncture significantly decreased the expression of IL-1β (P<0.01), IL-6 (P<0.01) and TNF-α (P<0.01 in hippocampus, P<0.05 in serum) in serum and hippocampus; electroacupuncture balanced the quantity and composition of gut microbiome, especially of the relative abundance in Delta-proteobacteria (P<0.05) and Epsilon-proteobacteria (P<0.05). Conclusion: electroacupuncture treatment could inhibit the peripheral and central nerve system inflammatory response by balancing the gut microbiota.
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