Evidence map›Paper›PMID 24302979›Full record

ArticlePloS one2013

Sialoglycoproteins and N-glycans from secreted exosomes of ovarian carcinoma cells.

Cristina Escrevente, Nicolas Grammel, Sebastian Kandzia, Johannes Zeiser, Erin M Tranfield, Harald S Conradt, Júlia Costa

Abstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 62 papers.

0numbers the graph read from it
0cells of the map it votes in
62citing 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

62 citing papers in PubMed.

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2 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

7 authors.

Cristina EscreventeLaboratory of Glycobiology, Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Oeiras, Portugal.
Nicolas Grammel
Sebastian Kandzia
Johannes Zeiser
Erin M Tranfield
Harald S Conradt
Júlia Costa

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Exosomes consist of vesicles that are secreted by several human cells, including tumor cells and neurons, and they are found in several biological fluids. Exosomes have characteristic protein and lipid composition, however, the results concerning glycoprotein composition and glycosylation are scarce. Here, protein glycosylation of exosomes from ovarian carcinoma SKOV3 cells has been studied by lectin blotting, NP-HPLC analysis of 2-aminobenzamide labeled glycans and mass spectrometry. An abundant sialoglycoprotein was found enriched in exosomes and it was identified by peptide mass fingerprinting and immunoblot as the galectin-3-binding protein (LGALS3BP). Exosomes were found to contain predominantly complex glycans of the di-, tri-, and tetraantennary type with or without proximal fucose and also high mannose glycans. Diantennary glycans containing bisecting N-acetylglucosamine were also detected. This work provides detailed information about glycoprotein and N-glycan composition of exosomes from ovarian cancer cells, furthermore it opens novel perspectives to further explore the functional role of glycans in the biology of exosomes.

Indexed as

Antigens, NeoplasmBiomarkers, TumorCarbohydrate ConformationCarbohydrate SequenceCarrier ProteinsCell Line, TumorExosomesExtracellular Matrix ProteinsFemaleGlycoproteinsHumansMannansMolecular Sequence DataOvarian NeoplasmsPolysaccharidesSialoglycoproteinsAntigens, NeoplasmBiomarkers, TumorCarrier ProteinsExtracellular Matrix ProteinsGlycoproteinsLGALS3BP protein, humanMannansPolysaccharidesSialoglycoproteins

Identifiers

PMID24302979
PMCPMC3840218

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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.