Evaluation of the Microbial Diversity in Amyotrophic Lateral Sclerosis Using High-Throughput Sequencing.

Evaluation of the Microbial Diversity in Amyotrophic Lateral Sclerosis Using High-Throughput Sequencing.
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使用高通量测序评估肌萎缩侧索硬化症的微生物多样性

DOI:
10.3389/fmicb.2016.01479
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发表时间:
2016
影响因子:
5.2
通讯作者:
Chen T
Chen T
中科院分区:
生物学2区
文献类型:
--
作者:
Fang X;Wang X;Yang S;Meng F;Wang X;Wei H;Chen T

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越来越多的证据表明,粪便微生物对中枢神经系统疾病有着重要的影响。然而,很少有工作做,以探讨肌萎缩侧索硬化症(ALS)和粪便微生物之间的相互作用。本研究采用高通量测序方法比较了健康人和ALS患者肠道微生物多样性的差异。主坐标分析、Venn法和UPGMA法显示,健康人(H组)和ALS患者(A组)的微生物变化明显,ALS患者和健康人的拟杆菌属、粪杆菌属、厌氧柄杆菌属、普雷沃菌属、埃希氏菌属和毛螺菌属的平均比值分别为0.78、2.18、3.41、0.35和0.35。0.79和13.07。此外,使用LEfSE(LDA > 4.0)在门水平上降低的厚壁菌门/拟杆菌门比率,以及ALS患者中Dorea属(有害微生物)的显著增加和颤杆菌属、厌氧柄属、毛螺菌科(有益微生物)的显著减少,表明肠道菌群组成的失衡与ALS的发病机制有很强的关联。
More and more evidences indicate that diseases of the central nervous system have been seriously affected by fecal microbes. However, little work is done to explore interaction between amyotrophic lateral sclerosis (ALS) and fecal microbes. In the present study, high-throughput sequencing method was used to compare the intestinal microbial diversity of healthy people and ALS patients. The principal coordinate analysis, Venn and unweighted pair-group method using arithmetic averages (UPGMA) showed an obvious microbial changes between healthy people (group H) and ALS patients (group A), and the average ratios of Bacteroides, Faecalibacterium, Anaerostipes, Prevotella, Escherichia, and Lachnospira at genus level between ALS patients and healthy people were 0.78, 2.18, 3.41, 0.35, 0.79, and 13.07. Furthermore, the decreased Firmicutes/Bacteroidetes ratio at phylum level using LEfSE (LDA > 4.0), together with the significant increased genus Dorea (harmful microorganisms) and significant reduced genus Oscillibacter, Anaerostipes, Lachnospiraceae (beneficial microorganisms) in ALS patients, indicated that the imbalance in intestinal microflora constitution had a strong association with the pathogenesis of ALS.
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