Evidence map›Paper›PMID 39769471›Full record

ArticleInternational journal of molecular sciences2024

Methodological Assessment of ExoGAG for Isolation of Cerebrospinal Fluid Extracellular Vesicles as a Source of Biomarkers.

Nil Salvat-Rovira, Anna Vazquez-Oliver, Elisa Rivas-Asensio, Marina Herrero-Lorenzo, Ana Gámez-Valero, Jesús Pérez-Pérez, Cristina Izquierdo, Antonia Campolongo, Eulàlia Martí, Jaime Kulisevsky and 1 more

Abstract read
In one paragraph

Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Review
  2. Special Issue: "Role of Extracellular Vesicles in Immunology".International journal of molecular sciences · 2025
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Nil Salvat-RoviraMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.
Anna Vazquez-OliverMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.
Elisa Rivas-AsensioMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.
Marina Herrero-LorenzoDepartment of Biomedicine, Faculty of Medicine, Institute of Neurosciences, University of Barcelona, 08036 Barcelona, Spain.ORCID 0000-0003-2693-0700
Ana Gámez-ValeroDepartment of Biomedicine, Faculty of Medicine, Institute of Neurosciences, University of Barcelona, 08036 Barcelona, Spain.ORCID 0000-0002-9530-2751
Jesús Pérez-PérezMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.
Cristina IzquierdoMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.
Antonia CampolongoMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.
Eulàlia MartíDepartment of Biomedicine, Faculty of Medicine, Institute of Neurosciences, University of Barcelona, 08036 Barcelona, Spain.
Jaime KulisevskyMovement Disorders Unit, Neurology Department, Hospital de la Santa Creu i Sant Pau, 08025 Barcelona, Spain.ORCID 0000-0003-4870-1431
Rocío Pérez-GonzálezCentro de Investigación en Red-Enfermedades Neurodegenerativas (CIBERNED), 19171 Madrid, Spain.

Funding

Biomedical Research Networking Center on Neurodegenerative Diseases PI17/001885
6 · The paper itself

Abstract

Extracellular vesicles (EVs) in cerebrospinal fluid (CSF) represent a valuable source of biomarkers for central nervous system (CNS) diseases, offering new pathways for diagnosis and monitoring. However, existing methods for isolating EVs from CSF often prove to be labor-intensive and reliant on specialized equipment, hindering their clinical application. In this study, we present a novel, clinically compatible method for isolating EVs from CSF. We optimized the use of ExoGAG, a commercially available reagent that has been tested in plasma, urine and semen, and compared it directly with differential ultracentrifugation using Western blotting, protein quantification, nanoparticle tracking analysis, and cryogenic electron microscopy. Additionally, we analyzed the presence of specific microRNAs (miRNAs) known to be present in CSF-derived EVs. Our data demonstrate that ExoGAG is an effective method for isolating EVs from CSF, yielding a higher amount of EVs compared to traditional ultracentrifugation methods, and with comparable levels of specific miRNAs. In conclusion, the use of ExoGAG in a clinical setting may facilitate the testing of biomarkers essential for tracking brain pathology in CNS diseases.

Indexed as

BiomarkersExtracellular VesiclesMicroRNAsUltracentrifugationCerebrospinal FluidHumansBiomarkersMicroRNAsbiomarkerscerebrospinal fluidExoGAGextracellular vesiclesisolation methodmiRNAsultracentrifugation

Identifiers

PMID39769471
PMCPMC11679985

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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 Socratic graph.