Related Experiment Video
Updated: May 16, 2026
11:22
Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
Published on: October 15, 2019
Causal Associations between Gut Microbiota and Trigeminal Neuralgia: A Two-sample Mendelian Randomization Study.
Changjun Huang1, Yuhong Li2, Linwei Ma1
1Department of Anesthesia, The First People's Hospital of Linping District, Hangzhou, 311100, Zhejiang, China.
Current Neurovascular Research
|May 15, 2026
Summary
This study investigated the gut microbiota
Area of Science:
- Neurology
- Microbiology
- Genetics
Background:
- Trigeminal neuralgia is a common neurological disorder.
- The gut microbiota's role in trigeminal neuralgia is not fully understood.
Purpose of the Study:
- To explore potential causal links between gut microbiota composition and trigeminal neuralgia risk.
- Utilizing Mendelian randomization (MR) to assess genetic predispositions.
Main Methods:
- Employed two-sample Mendelian randomization (MR) analysis.
- Utilized genetic variants from genome-wide association studies (GWAS) as instrumental variables.
- Conducted sensitivity analyses (Cochran's Q, MR-PRESSO, leave-one-out) to ensure robustness.
Main Results:
- Identified potential causal associations between trigeminal neuralgia and specific gut bacteria, including Ruminococcaceae NK4A214, Eubacterium hallii, Ruminococcus 2, Prevotella 7, and Hungatella.
- Results indicated both protective and risk associations depending on the bacterial genus.
Conclusions:
- Suggests a genetically influenced link between gut microbiota and trigeminal neuralgia.
- Highlights the need for further research into the gut microbiome's contribution to trigeminal neuralgia etiology.
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