國家衛生研究院 NHRI:Item 3990099045/10535
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    题名: Intestinal microbial dysbiosis aggravates the progression of Alzheimer's disease in Drosophila
    作者: Wu, SC;Cao, ZS;Chang, KM;Juang, JL
    贡献者: Institute of Molecular and Genomic Medicine
    摘要: Neuroinflammation caused by local deposits of Abeta42 in the brain is key for the pathogenesis and progression of Alzheimer's disease. However, inflammation in the brain is not always a response to local primary insults. Gut microbiota dysbiosis, which is recently emerging as a risk factor for psychiatric disorders, can also initiate a brain inflammatory response. It still remains unclear however, whether enteric dysbiosis also contributes to Alzheimer's disease. Here we show that in a Drosophila Alzheimer's disease model, enterobacteria infection exacerbated progression of Alzheimer's disease by promoting immune hemocyte recruitment to the brain, thereby provoking TNF-JNK mediated neurodegeneration. Genetic depletion of hemocytes attenuates neuroinflammation and alleviated neurodegeneration. We further found that enteric infection increases the motility of the hemocytes, making them more readily attracted to the brain with an elevated oxidative stress status. This work highlights the importance of gut-brain crosstalk as a fundamental regulatory system in modulating Alzheimer's disease neurodegeneration.Emerging evidence suggests that gut microbiota influences immune function in the brain and may play a role in neurological diseases. Here, the authors offer in vivo evidence from a Drosophila model that supports a role for gut microbiota in modulating the progression of Alzheimer's disease.
    日期: 2017-06-20
    關聯: Nature Communications. 2017 Jun 20;8:Article number 24.
    Link to: http://dx.doi.org/10.1038/s41467-017-00040-6
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2041-1723&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000403695700002
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85021173110
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