Intestinal Pathology and Gut Microbiota Alterations in a Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) Mouse Model of Parkinson’s Disease
Neurochemical Research, ISSN: 1573-6903, Vol: 43, Issue: 10, Page: 1986-1999
2018
- 131Citations
- 110Captures
- 2Mentions
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Metrics Details
- Citations131
- Citation Indexes131
- 131
- CrossRef4
- Captures110
- Readers110
- 110
- Mentions2
- Blog Mentions1
- Blog1
- News Mentions1
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Intestinal Pathology and Gut Microbiota Alterations in a Methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) Mouse Model of Parkinson's Disease.
Neurochem Res. 2018 Aug 31; Authors: Lai F, Jiang R, Xie W, Liu X, Tang Y, Xiao H, Gao J, Jia Y, Bai Q PubMed: 30171422 Submit Comment
Article Description
Patients with Parkinson’s disease (PD) often have non-motor symptoms related to gastrointestinal (GI) dysfunction, such as constipation and delayed gastric emptying, which manifest prior to the motor symptoms of PD. Increasing evidence indicates that changes in the composition of the gut microbiota may be related to the pathogenesis of PD. However, it is unclear how GI dysfunction occurs and how gut microbial dysbiosis is caused. We investigated whether a neurotoxin model of PD induced by chronic low doses of MPTP is capable of reproducing the clinical intestinal pathology of PD, as well as whether gut microbial dysbiosis accompanies this pathology. C57BL/6 male mice were administered 18 mg/kg MPTP twice per week for 5 weeks via intraperitoneal injection. GI function was assessed by measuring the 1-h stool frequency and fecal water content; motor function was assessed by pole tests; and tyrosine hydroxylase and alpha-synuclein expression were analyzed. Furthermore, the inflammation, intestinal barrier and composition of the gut microbiota were measured. We found that MPTP caused GI dysfunction and intestinal pathology prior to motor dysfunction. The composition of the gut microbiota was changed; in particular, the change in the abundance of Lachnospiraceae, Erysipelotrichaceae, Prevotellaceae, Clostridiales, Erysipelotrichales and Proteobacteria was significant. These results indicate that a chronic low-dose MPTP model can be used to evaluate the progression of intestinal pathology and gut microbiota dysbiosis in the early stage of PD, which may provide new insights into the pathogenesis of PD.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85052809762&origin=inward; http://dx.doi.org/10.1007/s11064-018-2620-x; http://www.ncbi.nlm.nih.gov/pubmed/30171422; http://link.springer.com/10.1007/s11064-018-2620-x; https://dx.doi.org/10.1007/s11064-018-2620-x; https://link.springer.com/article/10.1007/s11064-018-2620-x
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