Evidence map›Paper›PMID 23390529›Full record

ArticlePloS one2013

The prolyl isomerase Pin1 acts synergistically with CDK2 to regulate the basal activity of estrogen receptor α in breast cancer.

Chiara Lucchetti, Isabella Caligiuri, Giuseppe Toffoli, Antonio Giordano, Flavio Rizzolio

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.6field-weighted citation impact, top 17% 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

16 citing papers in PubMed, 31 citations in OpenAlex.

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  16. Phosphorylation: a fundamental regulator of steroid receptor action.Trends in endocrinology and metabolism: TEM · 2013
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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

5 authors at 1 institution in 2 countries.

Chiara LucchettiSbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, Pennsylvania, USA.
Isabella Caligiuri
Giuseppe Toffoli
Antonio Giordano
Flavio Rizzolio
Temple University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In hormone receptor-positive breast cancers, most tumors in the early stages of development depend on the activity of the estrogen receptor and its ligand, estradiol. Anti-estrogens, such as tamoxifen, have been used as the first line of therapy for over three decades due to the fact that they elicit cell cycle arrest. Unfortunately, after an initial period, most cells become resistant to hormonal therapy. Peptidylprolyl isomerase 1 (Pin1), a protein overexpressed in many tumor types including breast, has been demonstrated to modulate ERalpha activity and is involved in resistance to hormonal therapy. Here we show a new mechanism through which CDK2 drives an ERalpha-Pin1 interaction under hormone- and growth factor-free conditions. The PI3K/AKT pathway is necessary to activate CDK2, which phosphorylates ERalphaSer294, and mediates the binding between Pin1 and ERalpha. Site-directed mutagenesis demonstrated that ERalphaSer294 is essential for Pin1-ERalpha interaction and modulates ERalpha phosphorylation on Ser118 and Ser167, dimerization and activity. These results open up new drug treatment opportunities for breast cancer patients who are resistant to anti-estrogen therapy.

Indexed as

Gene Expression Regulation, NeoplasticBinding SitesBreast NeoplasmsCell Line, TumorCyclin-Dependent Kinase 2Drug Resistance, NeoplasmEstrogen Receptor alphaFemaleHumansMutagenesis, Site-DirectedNIMA-Interacting Peptidylprolyl IsomerasePeptidylprolyl IsomerasePhosphatidylinositol 3-KinasesPhosphorylationProtein BindingSerineCDK2 protein, humanCyclin-Dependent Kinase 2ESR1 protein, humanEstrogen Receptor alphaNIMA-Interacting Peptidylprolyl IsomerasePeptidylprolyl IsomerasePhosphatidylinositol 3-KinasesPIN1 protein, humanSerine

Identifiers

PMID23390529
PMCPMC3563590
OpenAlexW1967130690

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.