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akkermansia muciniphila-derived extracellular vesicles
- Development stage
- Preclinical
- Lead developer
- Korea Food Research Institute
- Modality
- Defined Consortia → Multi-strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Microbial Metabolites → Microbiome-Derived Products → Microbiome Therapeutics, Lipid-based Nanoparticles → Nanoparticles → Drug Delivery Systems, Synthetic Biology Platforms → Engineered Microbial Therapeutics → Microbiome Therapeutics, Fresh FMT → Fecal Microbiota Transplantation (FMT) → Microbiome Therapeutics, Genetically Modified Bacteria → Engineered Microbial Therapeutics → Microbiome Therapeutics, Yeast Strains → Single Strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Frozen FMT → Fecal Microbiota Transplantation (FMT) → Microbiome Therapeutics, Bacterial Strains → Single Strain Products → Live Biotherapeutic Products → Microbiome Therapeutics, Microbial Proteins → Microbiome-Derived Products → Microbiome Therapeutics, Complex Communities → Multi-strain Products → Live Biotherapeutic Products → Microbiome Therapeutics
- Administration
- Intravenous, Oral
01
Overview
Akkermansia muciniphila-derived extracellular vesicles (AmEVs) are nano-sized vesicles (approximately 90-95 nm) secreted by the beneficial gut bacterium *Akkermansia muciniphila*. These vesicles contain bioactive macromolecules, including proteins and lipids, that mediate the bacterium's therapeutic effects without the need for live bacterial colonization. AmEVs function by enhancing intestinal barrier integrity through the regulation of tight junction proteins, modulating inflammatory responses via Toll-like receptor (TLR2/4) signaling pathways, and influencing the gut-brain axis. Preclinical studies have demonstrated their potential in treating metabolic disorders (obesity, type 2 diabetes), inflammatory bowel disease, and neurological conditions such as ischemic stroke and cognitive dysfunction. In stroke models, intravenous administration has been shown to cross the blood-brain barrier, reduce neuroinflammation, and promote myelin repair by activating astrocyte-derived pleiotrophin (PTN)–PTPRZ1 signaling.
- Other names
- Akkermansia muciniphila extracellular vesiclesAkkermansia muciniphila outer membrane vesicles
02
Targets
TLR2 (Toll-like Receptor 2)OCLN (Occludin)TLR4 (Toll-like receptor 4)
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