Evidence mapPaperPMID 41668979Full record

ArticleJournal of extracellular biology2026

Separation Methods Affect Glycan Patterns in Extracellular Vesicle Preparations From Canine Osteoblasts and Osteosarcoma Cells.

Daniela Cortes Galvez, Silvio Kau-Strebinger, Simone Gabner, Ingrid Walter

Abstract read
In one paragraph

Article in Journal of extracellular biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

4 authors.

Daniela Cortes GalvezDepartment of Biomedical Sciences and Pathobiology, Institute of Morphology University of Veterinary Medicine Vienna Vienna Austria.
Silvio Kau-StrebingerDepartment of Biomedical Sciences and Pathobiology, Institute of Morphology University of Veterinary Medicine Vienna Vienna Austria.
Simone GabnerDepartment of Biomedical Sciences and Pathobiology, Institute of Morphology University of Veterinary Medicine Vienna Vienna Austria.
Ingrid WalterDepartment of Biomedical Sciences and Pathobiology, Institute of Morphology University of Veterinary Medicine Vienna Vienna Austria.ORCID https://orcid.org/0000-0002-5038-188X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Extracellular vesicles (EVs) are nanosized, membrane-enclosed particles released by cells, facilitating intercellular communication via the transfer of bioactive molecules from producing to recipient cells. EVs are involved in several physiological and pathological processes, including cancer progression. The glycosylation of EVs influences the attachment and uptake by recipient cells, among other processes. In this study, we investigated the glycan profile of EVs from canine osteosarcoma (OS) cells and non-cancerous canine osteoblasts in vitro, using lectin blots, following EV separation with ultracentrifugation (UC), size exclusion chromatography (SEC), and a commercial precipitation kit (TEI). Beyond phenotypic differences, purity and yield, separation methods led to heterogeneous protein glycosylation patterns of EV preparations, with the least reproducibility in TEI preparations. In cellular comparison, SEC revealed contrasting results, most consistently showing higher levels of specific sugars in EVs from canine osteoblasts, including the detection of a unique glycoprotein absent in UC and TEI preparations. Osteosarcoma cells and their EVs exhibited a relative reduction of glycoproteins compared to osteoblasts and their EVs. Additionally, specific sugars were more abundant in EV preparations relative to their corresponding cell lysates. In conclusion, this study highlights the critical influence of separation methods on EV characteristics, leading to differing glycan patterns.

Indexed as

bone tumorectosomeexosomeglycosylationprecipitationsize exclusion chromatographyultracentrifugation

Identifiers

PMID41668979
PMCPMC12884005

What Socratic holds

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Registered trials

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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 Socratic graph.