ArticleCell communication and signaling : CCS2023
A novel isolation method for spontaneously released extracellular vesicles from brain tissue and its implications for stress-driven brain pathology.
Article in Cell communication and signaling : CCS, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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26 citing papers in PubMed, 35 citations in OpenAlex.
- Extracellular vesicles for next-gen therapeutics and drug delivery.Molecular biomedicine · 2026Review
- Metabolic regulation by tanycyte-derived extracellular vesicles through insulin precursor-mediated neuronal recognition and mTORC component delivery.Nature metabolism · 2026Article
- Mental health and gut-brain crosstalk: implications for depression and Alzheimer's disease.Neuroscience applied · 2026Review
- Tuberculous meningitis alters the proteomic landscape of brain-derived extracellular vesicles.bioRxiv : the preprint server for biology · 2025Article
- Isolation Strategy Matters: How Tissue Processing Shapes the Composition of Placental Extracellular Vesicles.Journal of extracellular biology · 2025Article
- State-dependent release of extracellular particles with distinct α2,6-sialylation patterns and small RNA cargo related to neuroinflammation.bioRxiv : the preprint server for biology · 2025Article
- Advances of extracellular vesicles isolation and detection frontier technology: from heterogeneity analysis to clinical application.Journal of nanobiotechnology · 2025Review
- Glucocorticoids regulate small extracellular vesicle (sEV) release via activation of nSMase2.bioRxiv : the preprint server for biology · 2025Article
- Protocol for the isolation and characterization of porcine brain region-associated extracellular particles.PloS one · 2025Article
- A comprehensive review on recent advances in exosome isolation and characterization: Toward clinical applications.Translational oncology · 2024Review
- The multiple roles of chronic stress and glucocorticoids in Alzheimer's disease pathogenesis.Trends in neurosciences · 2024Review
- Efficient enzyme-free isolation of brain-derived extracellular vesicles.Journal of extracellular vesicles · 2024Article
- Single-extracellular vesicle (EV) analyses validate the use of L1 Cell Adhesion Molecule (L1CAM) as a reliable biomarker of neuron-derived EVs.Journal of extracellular vesicles · 2024Article
- Extracellular Vesicles in Pathophysiology: A Prudent Target That Requires Careful Consideration.Cells · 2024Review
- Research advances of tissue-derived extracellular vesicles in cancers.Journal of cancer research and clinical oncology · 2024Review
- Meeting Summary of The NYO3 5th NO-Age/AD Meeting and the 1st Norway-UK Joint Meeting on Aging and Dementia: Recent Progress on the Mechanisms and Interventional Strategies.The journals of gerontology. Series A, Biological sciences and medical sciences · 2024Article
- Emergence of Extracellular Vesicles as "Liquid Biopsy" for Neurological Disorders: Boom or Bust.Pharmacological reviews · 2024Review
- Next-Generation Proteomics of Brain Extracellular Vesicles in Schizophrenia Provide New Clues on the Altered Molecular Connectome.Biomedicines · 2024Article
- Pancreatic β-cells package double C2-like domain beta protein into extracellular vesicles via tandem C2 domains.Frontiers in endocrinology · 2024Article
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Authors and funding
18 authors at 7 institutions in 4 countries.
Funding
Abstract
backgroundExtracellular vesicles (EVs), including small EVs (sEVs) such as exosomes, exhibit great potential for the diagnosis and treatment of brain disorders, representing a valuable tool for precision medicine. The latter demands high-quality human biospecimens, especially in complex disorders in which pathological and specimen heterogeneity, as well as diverse individual clinical profile, often complicate the development of precision therapeutic schemes and patient-tailored treatments. Thus, the collection and characterization of physiologically relevant sEVs are of the utmost importance. However, standard brain EV isolation approaches rely on tissue dissociation, which can contaminate EV fractions with intracellular vesicles.
methodsBased on multiscale analytical platforms such as cryo-EM, label-free proteomics, advanced flow cytometry, and ExoView analyses, we compared and characterized the EV fraction isolated with this novel method with a classical digestion-based EV isolation procedure. Moreover, EV biogenesis was pharmacologically manipulated with either GW4869 or picrotoxin to assess the validity of the spontaneous-release method, while the injection of labelled-EVs into the mouse brain further supported the integrity of the isolated vesicles.
resultsWe hereby present an efficient purification method that captures a sEV-enriched population spontaneously released by mouse and human brain tissue. In addition, we tested the significance of the release method under conditions where biogenesis/secretion of sEVs was pharmacologically manipulated, as well as under animals' exposure to chronic stress, a clinically relevant precipitant of brain pathologies, such as depression and Alzheimer's disease. Our findings show that the released method monitors the drug-evoked inhibition or enhancement of sEVs secretion while chronic stress induces the secretion of brain exosomes accompanied by memory loss and mood deficits suggesting a potential role of sEVs in the brain response to stress and related stress-driven brain pathology.
conclusionsOverall, the spontaneous release method of sEV yield may contribute to the characterization and biomarker profile of physiologically relevant brain-derived sEVs in brain function and pathology. Video Abstract.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.