Gut-derived bacterial extracellular vesicles: the microbial dark matter contributing to host inflammation and cardiometabolic disease
Blayne Oliver, Michael Sun, Young Seo Lee, Ssanggoo Cho, Tianyi Zhu, David Durgan, Gary Sweeney · 2026
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Description
Blayne Oliver, Michael Sun, and Young Seo Lee review the case that tiny parcels shed by gut bacteria are hidden couriers in cardiometabolic disease. Their article appeared in Gut Microbes in 2026. Bacterial extracellular vesicles are nanoscale spheres budded from bacterial membranes, packed with proteins, fats, genetic material, and immune-triggering fragments. The authors call them microbial dark matter: described in 1966, then overlooked for decades.
The vesicles can cross the gut wall, travel the bloodstream, and lodge in metabolic organs, where their cargo nudges inflammation and insulin sensitivity through the body's pattern-recognition alarms. That reach makes them double agents: plausible drivers of disease and attractive tools. The review weighs their promise as blood biomarkers read from a stool-linked signal, and as engineered delivery vehicles. Their closing ask is standardization, so a field built on invisible couriers can compare results.
Catalog record
| CREATOR | Blayne Oliver, Michael Sun, Young Seo Lee, Ssanggoo Cho, Tianyi Zhu, David Durgan, Gary Sweeney |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 64 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |