Related Experiment Video
Updated: Jun 30, 2026
11:22
Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
Published on: October 15, 2019
Immune Cells as Mediators Between Gut Microbiota and Multiple Sclerosis: Insights From Mendelian Randomization
Pingping Ning1,2, Xin Mu3, Xiaohui Zhang1,2
1Department of Geriatric Neurology, Shaanxi Provincial People's Hospital, Xi'an, China.
Immunity, Inflammation and Disease
|June 29, 2026
Summary
This study explored gut microbes and immune cells in multiple sclerosis (MS). Certain gut bacteria may influence MS through specific T cell activations, suggesting a link between the gut microbiome and MS pathogenesis.
Area of Science:
- Neuroimmunology
- Microbiome research
- Genetic epidemiology
Background:
- Multiple sclerosis (MS) is a debilitating neuroimmunological disease affecting young adults.
- The gut microbiota and immune system are implicated in MS, but mechanisms are unclear.
Purpose of the Study:
- To investigate causal links between gut microbiota, immune traits, and MS using Mendelian randomization.
- To identify specific microbial taxa and immune pathways associated with MS risk.
Main Methods:
- Mendelian randomization (MR) analysis was performed.
- Genetic data from large cohorts for gut microbiota (18,340), immune traits (3,757), and MS cases/controls (47,429/68,374) were utilized.
Main Results:
- Six microbial taxa showed nominal associations with MS.
- Roseburia and Ruminococcus2 potentially mediated MS risk through CD28+ CD4+ and HLA-DR+ CD8+ T cell phenotypes.
- Mediation analysis indicated 8.97% and 12.18% of effects were potentially mediated.
Conclusions:
- Exploratory findings suggest immune cell activation (CD4+, CD8+ T cells) may link gut microbiota to MS.
- These results are hypothesis-generating and require further validation in independent studies and experiments.
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