Evidence map›Paper›PMID 28765613›Full record

ArticleScientific reports2017

Structural and functional identification of vasculogenic mimicry in vitro.

Dusan Racordon, Andrés Valdivia, Gabriel Mingo, Rafaela Erices, Raúl Aravena, Felice Santoro, Maria Loreto Bravo, Carolina Ramirez, Pamela Gonzalez, Alejandra Sandoval and 15 more

Abstract read
In one paragraph

Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing 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

42 citing papers in PubMed.

  1. Review
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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

25 authors.

Dusan RacordonDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Andrés ValdiviaDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Gabriel MingoDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Rafaela EricesDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Raúl AravenaDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Felice SantoroDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Maria Loreto BravoDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Carolina RamirezDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Pamela GonzalezDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Alejandra SandovalDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Alfonso GonzálezFacultad de Medicina, Universidad San Sebastián, Santiago, Chile.
Claudio RetamalFacultad de Ciencias, Universidad San Sebastián, Santiago, Chile.
Marcelo J KoganAdvanced Center for Chronic Diseases (ACCDiS), Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
Sumie KatoDivision of Obstetrics & Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
Mauricio A CuelloDivision of Obstetrics & Gynecology, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.ORCID 0000-0003-2812-0015
German OsorioDepartment of Cellular Biology, Faculty of Biological Sciences, Universidad de Concepcion, Concepción, Chile.
Francisco NualartDepartment of Cellular Biology, Faculty of Biological Sciences, Universidad de Concepcion, Concepción, Chile.
Pedro AlvaresInstitute of Physics, Pontificia Universidad Católica de Chile, Santiago, Chile.
Araceli Gago-AriasInstitute of Physics, Pontificia Universidad Católica de Chile, Santiago, Chile.ORCID 0000-0002-1999-2340
Daniella FabriInstitute of Physics, Pontificia Universidad Católica de Chile, Santiago, Chile.
Ignacio EspinozaCenter UC Investigation in Oncology at Pontificia Universidad Católica de Chile, Santiago, Chile.
Beatriz SanchezCenter UC Investigation in Oncology at Pontificia Universidad Católica de Chile, Santiago, Chile.
Alejandro H CorvalánDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Mauricio P PintoDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile.
Gareth I OwenDepartment of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile. gowen@bio.puc.cl.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Vasculogenic mimicry (VM) describes a process by which cancer cells establish an alternative perfusion pathway in an endothelial cell-free manner. Despite its strong correlation with reduced patient survival, controversy still surrounds the existence of an in vitro model of VM. Furthermore, many studies that claim to demonstrate VM fail to provide solid evidence of true hollow channels, raising concerns as to whether actual VM is actually being examined. Herein, we provide a standardized in vitro assay that recreates the formation of functional hollow channels using ovarian cancer cell lines, cancer spheres and primary cultures derived from ovarian cancer ascites. X-ray microtomography 3D-reconstruction, fluorescence confocal microscopy and dye microinjection conclusively confirm the existence of functional glycoprotein-rich lined tubular structures in vitro and demonstrate that many of structures reported in the literature may not represent VM. This assay may be useful to design and test future VM-blocking anticancer therapies.

Indexed as

Models, BiologicalFemaleHumansImaging, Three-DimensionalMicroscopy, ConfocalMicroscopy, FluorescenceOrgan Culture TechniquesOvarian NeoplasmsStaining and LabelingTumor Cells, CulturedX-Ray Microtomography

Identifiers

PMID28765613
PMCPMC5539303

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.