Evidence map›Paper›PMID 21896734›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2011

Neurofibromatosis-1 regulates mTOR-mediated astrocyte growth and glioma formation in a TSC/Rheb-independent manner.

Sutapa Banerjee, Nikkilina R Crouse, Ryan J Emnett, Scott M Gianino, David H Gutmann

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 56 papers.

0numbers the graph read from it
0cells of the map it votes in
56citing papers in PubMed
6.8field-weighted citation impact, top 3% 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

56 citing papers in PubMed, 98 citations in OpenAlex.

  1. Trial
  2. Review
  3. Review
  4. Molecular-targeted therapy for childhood low-grade glial and glioneuronal tumors.Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2024
    Review
  5. Review
  6. Review
  7. Article
  8. Article
  9. Metabolic Rewiring in Adult-Type Diffuse Gliomas.International journal of molecular sciences · 2023
    Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Management of pediatric low-grade glioma.Current opinion in pediatrics · 2019
    Review
  18. Subependymal giant cell astrocytoma-like astrocytoma: a neoplasm with a distinct phenotype and frequent neurofibromatosis type-1-association.Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc · 2018
    Article
  19. Article
  20. Immunohistochemical Markers for Prospective Studies in Neurofibromatosis-1 Porcine Models.The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society · 2017
    Article
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

5 authors at 1 institution in 1 country.

Sutapa BanerjeeDepartment of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA.
Nikkilina R Crouse
Ryan J Emnett
Scott M Gianino
David H Gutmann
Washington University in St. Louis · US

Funding

REGULATION AND ROLE OF MTOR IN NEUROFIBROMIN GROWTH CONTROLR01CA127008 · NCI · WASHINGTON UNIVERSITY · PI GUTMANN, DAVID H, PIWNICA-WORMS, DAVID · 2008 to 2011
$1.6M
NCI NIH HHS CA127008NCI NIH HHS R01 CA127008
6 · The paper itself

Abstract

Converging evidence from the analysis of human brain tumors and genetically engineered mice has revealed that the mammalian target of rapamycin (mTOR) pathway is a central regulator of glial and glioma cell growth. In this regard, mutational inactivation of neurofibromatosis-1 (NF1), tuberous sclerosis complex (TSC), and PTEN genes is associated with glioma formation, such that pharmacologic inhibition of mTOR signaling results in attenuated tumor growth. This shared dependence on mTOR suggests that PTEN and NF1 (neurofibromin) glial growth regulation requires TSC/Rheb (Ras homolog enriched in brain) control of mTOR function. In this report, we use a combination of genetic silencing in vitro and conditional mouse transgenesis approaches in vivo to demonstrate that neurofibromin regulates astrocyte cell growth and glioma formation in a TSC/Rheb-independent fashion. First, we show that Nf1 or Pten inactivation, but not Tsc1 loss or Rheb overexpression, increases astrocyte cell growth in vitro. Second, Nf1-deficient increased mTOR signaling and astrocyte hyperproliferation is unaffected by Rheb shRNA silencing. Third, conditional Tsc1 inactivation or Rheb overexpression in glial progenitors of Nf1(+/-) mice does not lead to glioma formation. Collectively, these findings establish TSC/Rheb-independent mechanisms for mTOR-dependent glial cell growth control and gliomagenesis relevant to the design of therapies for individuals with glioma.

Indexed as

Cell ProliferationAnimalsAstrocytesBlotting, WesternBrainFemaleGlial Fibrillary Acidic ProteinGliomaHEK293 CellsHumansImmunohistochemistryMaleMiceMice, Inbred C57BLMice, KnockoutMice, TransgenicGlial Fibrillary Acidic ProteinMonomeric GTP-Binding ProteinsNeurofibromin 1NeuropeptidesPTEN PhosphohydrolaseRas Homolog Enriched in Brain ProteinRheb protein, mouseTOR Serine-Threonine KinasesTSC1 protein, humanTsc1 protein, mouseTuberous Sclerosis Complex 1 ProteinTuberous Sclerosis Complex 2 ProteinTumor Suppressor Proteins

Identifiers

PMID21896734
PMCPMC3179115
OpenAlexW2022951466

What OpenQuestion holds

Textmetadata
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.