Evidence map›Paper›PMID 36830647›Full record

ArticleBiomolecules2023

Isolation of Extracellular Vesicles from Human Follicular Fluid: Size-Exclusion Chromatography versus Ultracentrifugation.

Maria Soares, Maria M Pinto, Rui Jorge Nobre, Luís Pereira de Almeida, Maria da Graça Rasteiro, Teresa Almeida-Santos, João Ramalho-Santos, Ana Paula Sousa

Open access · goldAbstract read
In one paragraph

Article in Biomolecules, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
4.5field-weighted citation impact, top 5% of its field
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

18 citing papers in PubMed, 29 citations in OpenAlex.

  1. Review
  2. Article
  3. Review
  4. Article
  5. Extracellular vesicles-associated AAVs for the treatment of Machado-Joseph disease.Molecular therapy : the journal of the American Society of Gene Therapy · 2026
    Article
  6. Stem cell extracellular vesicles for neuropsychiatric disorders and translation.Extracellular vesicles and circulating nucleic acids · 2026
    Review
  7. Review
  8. Review
  9. Article
  10. Review
  11. Article
  12. Review
  13. Review
  14. Isolation of extracellular vesicles from insect hemolymph.Current research in insect science · 2025
    Review
  15. Article
  16. Article
  17. Review
  18. Review
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

8 authors at 2 institutions in 1 country.

Maria SoaresInstitute for Interdisciplinary Research (IIIUC), University of Coimbra, 3030-789 Coimbra, Portugal.
Maria M PintoCNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Azinhaga de Santa Comba, Celas, 3004-504 Coimbra, Portugal.
Rui Jorge NobreInstitute for Interdisciplinary Research (IIIUC), University of Coimbra, 3030-789 Coimbra, Portugal.ORCID 0000-0001-5816-2051
Luís Pereira de AlmeidaCNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Azinhaga de Santa Comba, Celas, 3004-504 Coimbra, Portugal.ORCID 0000-0001-5831-3307
Maria da Graça RasteiroCIEPQPF, Department of Chemical Engineering, University of Coimbra, Pólo II, R. Silvio Lima, 3030-790 Coimbra, Portugal.ORCID 0000-0001-6084-4553
Teresa Almeida-SantosCNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Azinhaga de Santa Comba, Celas, 3004-504 Coimbra, Portugal.ORCID 0000-0001-7423-2996
João Ramalho-SantosCNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Azinhaga de Santa Comba, Celas, 3004-504 Coimbra, Portugal.ORCID 0000-0002-1172-4018
Ana Paula SousaCNC-Center for Neuroscience and Cell Biology, CIBB, University of Coimbra, Azinhaga de Santa Comba, Celas, 3004-504 Coimbra, Portugal.ORCID 0000-0002-4190-6138
University of Coimbra · PTHospitais da Universidade de Coimbra · PT

Funding

Fundação para a Ciência e Tecnologia Stem@Rest
6 · The paper itself

Abstract

Follicular fluid (FF) is the microenvironment where a growing oocyte develops. Intrafollicular communication ensures oocyte competence and is carried out through paracrine signaling, the exchange of molecules via gap junctions, and the trafficking of extracellular vesicles (EVs). The study of FF-derived EVs is important for both translational and fundamental research in the female reproductive field. This study aimed to compare the efficacy and purity of two EV isolation methods: size-exclusion chromatography (SEC) and ultracentrifugation (UC). EVs isolated using SEC and UC were compared regarding their size and concentration using dynamic light scattering (DLS) and nanoparticle tracking analysis (NTA); protein contamination was assessed with microBCA; specific EV markers were detected with Western blot, and EV morphology was studied with transmission electron microscopy (TEM). Our results show that although both techniques isolated small EVs, a significantly increased yield in particle number was clear with UC compared with SEC. On the other hand, SEC generated purer EVs with fewer protein contaminants and aggregates. In conclusion, the selection of the most suited approach to isolate EVs must be conducted considering the degree of recovery, purity, and downstream application of the isolated EVs.

Indexed as

Extracellular VesiclesFollicular FluidChromatography, GelFemaleHumansProteinsUltracentrifugationProteinsextracellular vesiclesfollicular fluidsize-exclusion chromatographyultracentrifugation

Identifiers

PMID36830647
PMCPMC9953485
OpenAlexW4319006527

What OpenQuestion 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 OpenQuestion graph.