Evidence map›Paper›PMID 31417177›Full record

ArticleScientific reports2019

Assessing the role of surface glycans of extracellular vesicles on cellular uptake.

Charles Williams, Raquel Pazos, Félix Royo, Esperanza González, Meritxell Roura-Ferrer, Aitor Martinez, Jorge Gamiz, Niels-Christian Reichardt, Juan M Falcón-Pérez

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 117 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
117citing papers in PubMed, 2 pooled it
6.4field-weighted citation impact, top 2% 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

117 citing papers in PubMed, 2 syntheses or guidelines pooled it, 161 citations in OpenAlex.

  1. Pooled it
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  19. Does extracellular vesicle specificity truly exist?Cell communication and signaling : CCS · 2026
    Review
  20. Mapping GlycoRNAs on an Exosomal Surface.Journal of the American Chemical Society · 2026
    Article

57 more citing papers are in PubMed but not listed here.

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

9 authors at 4 institutions in 1 country.

Charles WilliamsExosomes Laboratory, CIC bioGUNE, CIBERehd, Bizkaia Technology Park, Derio, 48160, Spain. cwilliams@CICbiomaGUNE.es.ORCID http://orcid.org/0000-0001-7781-8693
Raquel PazosGlycotechnology Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20014, San Sebastián, Spain.
Félix RoyoExosomes Laboratory, CIC bioGUNE, CIBERehd, Bizkaia Technology Park, Derio, 48160, Spain.
Esperanza GonzálezExosomes Laboratory, CIC bioGUNE, CIBERehd, Bizkaia Technology Park, Derio, 48160, Spain.
Meritxell Roura-FerrerInnoprot SL, Building 502-P1 Bizkaia Technology Park, Derio, 48160, Spain.
Aitor MartinezInnoprot SL, Building 502-P1 Bizkaia Technology Park, Derio, 48160, Spain.ORCID http://orcid.org/0000-0003-1648-9448
Jorge GamizInnoprot SL, Building 502-P1 Bizkaia Technology Park, Derio, 48160, Spain.
Niels-Christian ReichardtGlycotechnology Laboratory, CIC biomaGUNE, Paseo Miramón 182, 20014, San Sebastián, Spain. nreichardt@CICbiomaGUNE.es.
Juan M Falcón-PérezExosomes Laboratory, CIC bioGUNE, CIBERehd, Bizkaia Technology Park, Derio, 48160, Spain. jfalcon@CICbioGUNE.es.ORCID http://orcid.org/0000-0003-3133-0670
CIC biomaGUNE · ESInnoprot (Spain) · ESCIC bioGUNE · ESIkerbasque · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Extracellular vesicles (EVs) are important mediators of cell-cell communication in a broad variety of physiological contexts. However, there is ambiguity around the fundamental mechanisms by which these effects are transduced, particularly in relation to their uptake by recipient cells. Multiple modes of cellular entry have been suggested and we have further explored the role of glycans as potential determinants of uptake, using EVs from the murine hepatic cell lines AML12 and MLP29 as independent yet comparable models. Lectin microarray technology was employed to define the surface glycosylation patterns of EVs. Glycosidases PNGase F and neuraminidase which cleave N-glycans and terminal sialic acids, respectively, were used to analyze the relevance of these modifications to EV surface glycans on the uptake of fluorescently labelled EVs by a panel of cells representing a variety of tissues. Flow cytometry revealed an increase in affinity for EVs modified by both glycosidase treatments. High-content screening exhibited a broader range of responses with different cell types preferring different vesicle glycosylation states. We also found differences in vesicle charge after treatment with glycosidases. We conclude that glycans are key players in the tuning of EV uptake, through charge-based effects, direct glycan recognition or both, supporting glycoengineering as a toolkit for therapy development.

Indexed as

EndocytosisCell LineExtracellular VesiclesGlycoside HydrolasesGlycosylationHumansLectinsNeuraminidasePeptide-N4-(N-acetyl-beta-glucosaminyl) Asparagine AmidasePolysaccharidesGlycoside HydrolasesLectinsNeuraminidasePeptide-N4-(N-acetyl-beta-glucosaminyl) Asparagine AmidasePolysaccharides

Identifiers

PMID31417177
PMCPMC6695415
OpenAlexW2967338485

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.