Evidence map›Paper›PMID 30897085›Full record

ArticlePloS one2019

Activation of the mTOR/ Akt pathway in thymic epithelial cells derived from thymomas.

Jean-Michel Maury, Claire Merveilleux du Vignaux, Gabrielle Drevet, Virginie Zarza, Lara Chalabreysse, Carine Maisse, Barbara Gineys, Christine Dolmazon, François Tronc, Nicolas Girard and 1 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.9field-weighted citation impact, top 15% 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

12 citing papers in PubMed, 17 citations in OpenAlex.

  1. Article
  2. The Molecular Landscape of Thymic Epithelial Tumors: A Comprehensive Review.International journal of molecular sciences · 2024
    Review
  3. Review
  4. Review
  5. Review
  6. Article
  7. Review
  8. Article
  9. Thymic tumours and their special features.European respiratory review : an official journal of the European Respiratory Society · 2021
    Review
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  11. Review
  12. 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

11 authors at 2 institutions in 1 country.

Jean-Michel MauryIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.
Claire Merveilleux du VignauxIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.
Gabrielle DrevetIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.ORCID 0000-0003-1174-7655
Virginie ZarzaDepartment of Respiratory Diseases, Groupement Hospitalier Est, HCL Lyon, France.
Lara ChalabreysseNational Expert Center for Thymic Malignancies, Réseau Tumeurs THYMiques et Cancer (RYTHMIC), Lyon, France.
Carine MaisseIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.
Barbara GineysIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.
Christine DolmazonIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.
François TroncDepartment of Thoracic Surgery, Lung and Heart-lung Transplantation, Groupement Hospitalier Est, HCL, Lyon, France.
Nicolas GirardIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.
Caroline LerouxIVPC UMR754 INRA, Univ Lyon, Université Claude Bernard Lyon 1, EPHE, Lyon, France.ORCID 0000-0002-7923-3127
Université Claude Bernard Lyon 1 · FRHospices Civils de Lyon · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The pathogenesis of thymic epithelial tumors remains poorly elucidated. The PIK3/Akt/mTOR pathway plays a key role in various cancers; interestingly, several phase I/II studies have reported a positive effect of mTOR inhibitors in disease control in thymoma patients. A major limit for deciphering cellular and molecular events leading to the transformation of thymic epithelial cells or for testing drug candidates is the lack of reliable in vitro cell system. We analyzed protein expression and activation of key players of the Akt/ mTOR pathway namely Akt, mTOR, and P70S6K in eleven A, B and AB thymomas as well as in normal thymuses. While only Akt and phospho-Akt were expressed in normal thymuses, both Akt and mTOR were activated in thymomas. Phospho-P70S6K was expressed in all thymic tumors whatever their subtypes, and absent in normal thymus. Interestingly, we report the activation of Akt, mTOR and P70S6 proteins in primary thymic epithelial cells maintained for short period of time after their derivation from seven AB and B thymomas. Finally, we showed that rapamycin (100 nM) significantly reduced proliferation of thymoma- derived epithelial cells without inducing cell death. Our results suggest that the activation of the Akt/ mTOR pathway might participate to the cell proliferation associated with tumor growth. Ultimately, our data enhance the potential role of thymic epithelial cells derived from tissue specimens for in vitro exploration of molecular abnormalities in rare thymic tumors.

Indexed as

AgedAged, 80 and overCell ProliferationClass I Phosphatidylinositol 3-KinasesFemaleHumansMaleMiddle AgedMutationNeoplasms, Glandular and EpithelialProto-Oncogene Proteins c-aktRibosomal Protein S6 Kinases, 70-kDaSignal TransductionSirolimusThymomaThymus GlandClass I Phosphatidylinositol 3-KinasesGTF2I protein, humanMTOR protein, humanPIK3CA protein, humanProto-Oncogene Proteins c-aktRibosomal Protein S6 Kinases, 70-kDaSirolimusTOR Serine-Threonine KinasesTranscription Factors, TFII

Identifiers

PMID30897085
PMCPMC6428316
OpenAlexW2949916791

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.