Evidence map›Paper›PMID 26067671›Full record

ArticlePloS one2015

The Anti-Tumor Effects of Adipose Tissue Mesenchymal Stem Cell Transduced with HSV-Tk Gene on U-87-Driven Brain Tumor.

Suely Maymone de Melo, Simone Bittencourt, Enéas Galdini Ferrazoli, Clivandir Severino da Silva, Flavia Franco da Cunha, Flavia Helena da Silva, Roberta Sessa Stilhano, Priscila Martins Andrade Denapoli, Bianca Ferrarini Zanetti, Priscila Keiko Matsumoto Martin and 5 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 pooled it
4.3field-weighted citation impact, top 5% 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

30 citing papers in PubMed, 1 synthesis or guideline pooled it, 54 citations in OpenAlex.

  1. Pooled it
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  9. Article
  10. HSV-TK Expressing Mesenchymal Stem Cells Exert Inhibitory Effect on Cervical Cancer Model.International journal of molecular and cellular medicine · 2020
    Article
  11. Nanoparticles for Stem Cell Therapy Bioengineering in Glioma.Frontiers in bioengineering and biotechnology · 2020
    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

15 authors at 2 institutions in 1 country.

Suely Maymone de MeloResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Simone BittencourtDepartment of Physiology of the Universidade Federal de São Paulo, São Paulo, Brazil.
Enéas Galdini FerrazoliDepartment of Physiology of the Universidade Federal de São Paulo, São Paulo, Brazil.
Clivandir Severino da SilvaDepartment of Physiology of the Universidade Federal de São Paulo, São Paulo, Brazil.
Flavia Franco da CunhaResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Flavia Helena da SilvaResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Roberta Sessa StilhanoResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Priscila Martins Andrade DenapoliResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Bianca Ferrarini ZanettiResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Priscila Keiko Matsumoto MartinResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Leonardo Martins SilvaResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Adara Aurea dos SantosResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil.
Leandra Santos BaptistaNumpex-Bio, Nucleus of Multidisciplinary Research in Biology of the Universidade Federal do Rio de Janeiro-Xerém, São Paulo, Brazil.
Beatriz Monteiro LongoDepartment of Physiology of the Universidade Federal de São Paulo, São Paulo, Brazil.
Sang Won HanResearch Center for Gene Therapy (CINTERGEN) of the Universidade Federal de São Paulo, São Paulo, Brazil; Department of Biophysics of the Universidade Federal de São Paulo, São Paulo, Brazil.
Universidade Federal de São Paulo · BRUniversidade Federal do Rio de Janeiro · BR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Glioblastoma (GBM) is an infiltrative tumor that is difficult to eradicate. Treating GBM with mesenchymal stem cells (MSCs) that have been modified with the HSV-Tk suicide gene has brought significant advances mainly because MSCs are chemoattracted to GBM and kill tumor cells via a bystander effect. To use this strategy, abundantly present adipose-tissue-derived mesenchymal stem cells (AT-MSCs) were evaluated for the treatment of GBM in mice. AT-MSCs were prepared using a mechanical protocol to avoid contamination with animal protein and transduced with HSV-Tk via a lentiviral vector. The U-87 glioblastoma cells cultured with AT-MSC-HSV-Tk died in the presence of 25 or 50 μM ganciclovir (GCV). U-87 glioblastoma cells injected into the brains of nude mice generated tumors larger than 3.5 mm2 after 4 weeks, but the injection of AT-MSC-HSV-Tk cells one week after the U-87 injection, combined with GCV treatment, drastically reduced tumors to smaller than 0.5 mm2. Immunohistochemical analysis of the tumors showed the presence of AT-MSC-HSV-Tk cells only within the tumor and its vicinity, but not in other areas of the brain, showing chemoattraction between them. The abundance of AT-MSCs and the easier to obtain them mechanically are strong advantages when compared to using MSCs from other tissues.

Indexed as

Transduction, GeneticAdipose TissueAnimalsBystander EffectCell Line, TumorFemaleGanciclovirGlioblastomaHumansMesenchymal Stem CellsMiceMice, NudeSimplexvirusThymidine KinaseViral ProteinsGanciclovirThymidine KinaseViral Proteins

Identifiers

PMID26067671
PMCPMC4467037
OpenAlexW1571768035

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.