Evidence map›Paper›PMID 23592719›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2013

Rac-specific guanine nucleotide exchange factor DOCK1 is a critical regulator of HER2-mediated breast cancer metastasis.

Mélanie Laurin, Jennifer Huber, Ariane Pelletier, Tarek Houalla, Morag Park, Yoshinori Fukui, Benjamin Haibe-Kains, William J Muller, Jean-François Côté

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed
4.2field-weighted citation impact, top 6% 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

65 citing papers in PubMed, 111 citations in OpenAlex.

  1. Review
  2. Subtype-Specific mInternational journal of molecular sciences · 2026
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  5. Circular RNA hsa_circ_0002669 is down-regulated byAmerican journal of cancer research · 2025
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  14. DOCK4 Regulation of Rho GTPases Mediates Pulmonary Vascular Barrier Function.Arteriosclerosis, thrombosis, and vascular biology · 2022
    Article
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5 more citing papers are in PubMed but not listed here.

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

9 authors at 3 institutions in 2 countries.

Mélanie LaurinInstitut de Recherches Cliniques de Montréal, Montréal, QC, Canada H2W 1R7.
Jennifer Huber
Ariane Pelletier
Tarek Houalla
Morag Park
Yoshinori Fukui
Benjamin Haibe-Kains
William J Muller
Jean-François Côté
Montreal Clinical Research Institute · CAMcGill University Health Centre · CAKyushu University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Progression of solid tumors to the metastatic stage is accountable for the majority of cancer-related deaths. Further understanding of the molecular mechanisms governing metastasis is essential for the development of antimetastatic regimens. Here, we aimed to identify Rac activators that could promote metastasis downstream of human epithelial growth factor receptor 2 (HER2). We investigated if Dedicator of Cytokinesis 1 (DOCK1), based on its evolutionarily conserved role in receptor tyrosine kinases (RTKs)-mediated Rac activation and cell invasion, could be a regulator of metastasis. We report that high expression of DOCK1 in HER2(+) and basal breast cancer subtypes inversely correlates with human patients' survival. Mechanistically, DOCK1 interacts with HER2 and promotes HER2-induced Rac activation and cell migration. To gain further insight, we developed a HER2 breast cancer mouse model with mammary-gland-specific inactivation of DOCK1. In this in vivo model, a significant decrease in tumor growth and metastasis in lungs was found in animals where DOCK1 is inactivated. Furthermore, we found that DOCK1 is required for maximal activation of two HER2 effectors, c-JUN and STAT3. Using an unbiased gene profiling approach, we identified a mammary tumor DOCK1-associated gene signature enriched for genes implicated in response to IFN type I. This analysis revealed a unique set of genes, including Receptor Transporter Protein 4 (RTP4) and STAT1, for which the expression levels can be used to independently predict breast cancer outcome in HER2(+) patients. Our work demonstrates DOCK1-Rac signaling as an HER2 effector pathway essential for HER2-mediated breast cancer progression to metastasis and offers a therapeutic opportunity to limit the spread of metastatic breast cancers.

Indexed as

AnimalsBreast NeoplasmsCell MovementCell ProliferationCell Transformation, NeoplasticDisease Models, AnimalEnzyme ActivationErb-b2 Receptor Tyrosine KinasesFemaleGene Expression ProfilingGene Expression Regulation, NeoplasticGuanine Nucleotide Exchange FactorsHumansLung NeoplasmsMiceNeuregulin-1DOCK1 protein, humanDOCK1 protein, mouseERBB2 protein, humanErbb2 protein, mouseErb-b2 Receptor Tyrosine KinasesGuanine Nucleotide Exchange FactorsNeuregulin-1rac GTP-Binding Proteinsrho GTP-Binding Proteins

Identifiers

PMID23592719
PMCPMC3645577
OpenAlexW1971982494

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.