期刊
NPJ PARKINSONS DISEASE
卷 7, 期 1, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41531-021-00156-z
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资金
- NBI Computing infrastructure for Science (CiS) group
- Biotechnology and Biological Sciences Research Council (BBSRC)
- BBSRC [BB/R012490/1, BBS/E/F/000PR10356]
- BBSRC Core Capability Grant [BB/CCG1860/1]
- BBSRC [BBS/E/F/000PR10356] Funding Source: UKRI
Recent studies have shown significant alterations in the gut microbiome of Parkinson's disease patients compared to healthy individuals, which may result in a pro-inflammatory status and impact the symptoms and pathophysiology of the disease.
The gut microbiota is emerging as an important modulator of neurodegenerative diseases, and accumulating evidence has linked gut microbes to Parkinson's disease (PD) symptomatology and pathophysiology. PD is often preceded by gastrointestinal symptoms and alterations of the enteric nervous system accompany the disease. Several studies have analyzed the gut microbiome in PD, but a consensus on the features of the PD-specific microbiota is missing. Here, we conduct a meta-analysis re-analyzing the ten currently available 16S microbiome datasets to investigate whether common alterations in the gut microbiota of PD patients exist across cohorts. We found significant alterations in the PD-associated microbiome, which are robust to study-specific technical heterogeneities, although differences in microbiome structure between PD and controls are small. Enrichment of the genera Lactobacillus, Akkermansia, and Bificlobacterium and depletion of bacteria belonging to the Lachnospiraceae family and the Faecalibacterium genus, both important short-chain fatty acids producers, emerged as the most consistent PD gut microbiome alterations. This dysbiosis might result in a pro-inflammatory status which could be linked to the recurrent gastrointestinal symptoms affecting PD patients.
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