Evidence map›Paper›PMID 22282656›Full record

ArticleCancer research2012

PTP1B is an androgen receptor-regulated phosphatase that promotes the progression of prostate cancer.

Laurent Lessard, David P Labbé, Geneviève Deblois, Louis R Bégin, Serge Hardy, Anne-Marie Mes-Masson, Fred Saad, Lloyd C Trotman, Vincent Giguère, Michel L Tremblay

Abstract read
In one paragraph

Article in Cancer research, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed
3.1field-weighted citation impact, top 8% 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

49 citing papers in PubMed, 81 citations in OpenAlex.

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  14. Protein Tyrosine Phosphatases: Mechanisms in Cancer.International journal of molecular sciences · 2021
    Review
  15. Review
  16. PTP61F Mediates Cell Competition and Mitigates Tumorigenesis.International journal of molecular sciences · 2021
    Article
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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

10 authors at 4 institutions in 2 countries.

Laurent LessardGoodman Cancer Research Centre, Montréal, Québec, Canada.
David P Labbé
Geneviève Deblois
Louis R Bégin
Serge Hardy
Anne-Marie Mes-Masson
Fred Saad
Lloyd C Trotman
Vincent Giguère
Michel L Tremblay
McGill University · CAUniversité de Montréal · CACold Spring Harbor Laboratory · USHôpital du Sacré-Cœur de Montréal · CA

Funding

Mechanisms and Treatment of PTEN Mutant Prostate TumorigenesisR01CA137050 · NCI · COLD SPRING HARBOR LABORATORY · PI TROTMAN, LLOYD C · 2010 to 2018
$3.1M
CIHR MOP-62887CIHR MOP-64275NCI NIH HHS R01 CA137050
6 · The paper itself

Abstract

The androgen receptor (AR) signaling axis plays a key role in the pathogenesis of prostate cancer. In this study, we found that the protein tyrosine phosphatase PTP1B, a well-established regulator of metabolic signaling, was induced after androgen stimulation of AR-expressing prostate cancer cells. PTP1B induction by androgen occurred at the mRNA and protein levels to increase PTP1B activity. High-resolution chromosome mapping revealed AR recruitment to two response elements within the first intron of the PTP1B encoding gene PTPN1, correlating with an AR-mediated increase in RNA polymerase II recruitment to the PTPN1 transcriptional start site. We found that PTPN1 and AR genes were coamplified in metastatic tumors and that PTPN1 amplification was associated with a subset of high-risk primary tumors. Functionally, PTP1B depletion delayed the growth of androgen-dependent human prostate tumors and impaired androgen-induced cell migration and invasion in vitro. However, PTP1B was also required for optimal cell migration of androgen-independent cells. Collectively, our results established the AR as a transcriptional regulator of PTPN1 transcription and implicated PTP1B in a tumor-promoting role in prostate cancer. Our findings support the preclinical testing of PTP1B inhibitors for prostate cancer treatment.

Indexed as

Disease ProgressionAndrogensAnimalsCell Line, TumorCell MovementGene Expression Regulation, NeoplasticHumansIntronsMaleMiceMice, SCIDProstatic NeoplasmsProtein Tyrosine Phosphatase, Non-Receptor Type 1Receptors, AndrogenResponse ElementsRNA Polymerase IIAndrogensAR protein, humanProtein Tyrosine Phosphatase, Non-Receptor Type 1PTPN1 protein, humanReceptors, AndrogenRNA Polymerase II

Identifiers

PMID22282656
PMCPMC5080984
OpenAlexW2158648304

What OpenQuestion holds

Textmetadata
LicenceTDM
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.