Evidence map›Paper›PMID 35741003›Full record

ArticleCells2022

Extracellular Vesicles Derived from MDA-MB-231 Cells Trigger Neutrophils to a Pro-Tumor Profile.

Carolinne Amorim, Clara Luisa Docasar, Daniel Guimarães-Bastos, Ana Clara Frony, Christina Barja-Fidalgo, Mariana Renovato-Martins, João Alfredo Moraes

Open access · goldAbstract read
In one paragraph

Article in Cells, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

14 citing papers in PubMed, 17 citations in OpenAlex.

  1. Review
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  6. Effect of Extracellular Vesicles Derived From Tumor Cells on Immune Evasion.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
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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 at 3 institutions in 1 country.

Carolinne AmorimLaboratório de Biologia RedOx, Universidade Federal do Rio de Janeiro, Rio de Janeiro 60440-593, Brazil.
Clara Luisa DocasarLaboratório de Biologia RedOx, Universidade Federal do Rio de Janeiro, Rio de Janeiro 60440-593, Brazil.
Daniel Guimarães-BastosLaboratório de Biologia RedOx, Universidade Federal do Rio de Janeiro, Rio de Janeiro 60440-593, Brazil.
Ana Clara FronyLaboratório de Farmacologia Celular e Molecular, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 23968-000, Brazil.
Christina Barja-FidalgoLaboratório de Farmacologia Celular e Molecular, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 23968-000, Brazil.ORCID 0000-0002-1917-4401
Mariana Renovato-MartinsLaborotário de Imunologia e Metabolismo, Universidade Federal Fluminense, Niterói 24220-900, Brazil.ORCID 0000-0002-9860-5272
João Alfredo MoraesLaboratório de Biologia RedOx, Universidade Federal do Rio de Janeiro, Rio de Janeiro 60440-593, Brazil.ORCID 0000-0002-8563-6432
Universidade Federal do Rio de Janeiro · BRUniversidade do Estado do Rio de Janeiro · BRUniversidade Federal Fluminense · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Immune system cells, including neutrophils, are recruited by the tumor microenvironment as a site of chronic inflammation and begin to favor tumor growth. Neutrophils present in the tumor site are called tumor-associated neutrophils (TAN) and can present two phenotypes: N1 (antitumor) or N2 (pro-tumor). Evidence shows the high capacity of immune system cells to interact with extracellular vesicles (Evs) released by tumor cells. Evs can modulate the phenotype of cells within the immune system, contributing to tumor development. Here, we investigated the role of MDA-MB-231-derived Evs upon the polarization of neutrophils towards an N2 phenotype and the underlying mechanisms. We observed that neutrophils treated with Evs released by MDA cells (MDA-Evs) had their half-life increased, increased their chemotactic capacity, and released higher levels of NETs and ROS than neutrophils treated with non-tumoral Evs. We also observed that neutrophils treated with MDA-Evs released increased IL-8, VEGF, MMP9, and increased expression of CD184, an N2-neutrophil marker. Finally, neutrophils treated with MDA-Evs increased tumor cell viability. Our results show that MDA-Evs induce an N2-like phenotype, and the blockage of phosphatidylserine by annexin-V may be an essential agent counter-regulating this effect.

Indexed as

Extracellular VesiclesNeoplasmsCell SurvivalHumansNeutrophilsTumor Microenvironmentbreast cancerextracellular vesiclesinflammationtumor-associated neutrophils

Identifiers

PMID35741003
PMCPMC9221190
OpenAlexW4282019463

What OpenQuestion holds

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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.