How vagus nerve stimulation and gut microbes may influence each other
A review maps possible communication between the gut and brain, but its abstract does not show whether targeting that communication improves patients' health.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
This review examines how vagus nerve stimulation may alter gut microbes and how microbial products may influence the nerve in return. The authors describe connected neural, immune and metabolic pathways. The abstract offers a framework for studying treatments for brain disorders, but provides no patient outcome estimates or evidence that a new treatment works.
The abstract does not describe the search methods, included study populations, evidence quality or treatment effects. It therefore cannot establish how well the proposed mechanisms translate into clinical benefits.
Communication runs both ways
The vagus nerve is presented as a route linking the digestive system and brain. Stimulation may change the composition or activity of gut microbes, while substances made by those microbes may feed back onto vagal activity.
From mechanisms to patient outcomes
The review links this feedback to nervous, immune and metabolic signaling. Its discussion of potential therapies is a research direction; the abstract does not test a specific gut-targeted intervention against a control or report patient benefits.
The original publication
Electro-microbial interplay in the gut-brain axis: An emerging paradigm for gut microbiota modulation via vagus nerve stimulation.
Liang J, Li X, Mao C et al.
Curr Opin Pharmacol · 2026
- PubMed ID
- 41421301
- Record checked
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