Evidence map›Paper›PMID 31039140›Full record

ArticleThe Journal of clinical investigation2019

SMAD signaling promotes melanoma metastasis independently of phenotype switching.

Eylul Tuncer, Raquel R Calçada, Daniel Zingg, Sandra Varum, Phil Cheng, Sandra N Freiberger, Chu-Xia Deng, Ingo Kleiter, Mitchell P Levesque, Reinhard Dummer and 1 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
3.8field-weighted citation impact, top 5% 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

33 citing papers in PubMed, 51 citations in OpenAlex.

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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

11 authors at 4 institutions in 3 countries.

Eylul TuncerStem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, Switzerland.
Raquel R CalçadaStem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, Switzerland.
Daniel ZinggStem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, Switzerland.
Sandra VarumStem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, Switzerland.
Phil ChengDepartment of Dermatology, University Hospital Zurich, Zurich, Switzerland.
Sandra N FreibergerDepartment of Dermatology, University Hospital Zurich, Zurich, Switzerland.
Chu-Xia DengFaculty of Health Sciences, University of Macau, Macau SAR, China.
Ingo KleiterDepartment of Neurology, Ruhr-University Bochum, Bochum, Germany and Marianne-Strauß-Klinik, Behandlungszentrum Kempfenhausen für Multiple Sklerose Kranke gGmbH, Berg, Germany.
Mitchell P LevesqueDepartment of Dermatology, University Hospital Zurich, Zurich, Switzerland.
Reinhard DummerDepartment of Dermatology, University Hospital Zurich, Zurich, Switzerland.
Lukas SommerStem Cell Biology, Institute of Anatomy, University of Zurich, Zurich, Switzerland.
University of Zurich · CHUniversity Hospital of Zurich · CHBG University Hospital Bergmannsheil Bochum · DEUniversity of Macau · MO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The development of metastatic melanoma is thought to require the dynamic shifting of neoplastic cells between proliferative and invasive phenotypes. Contrary to this conventional "phenotype switching" model, we now show that disease progression can involve malignant melanoma cells simultaneously displaying proliferative and invasive properties. Using a genetic mouse model of melanoma in combination with in vitro analyses of melanoma cell lines, we found that conditional deletion of the downstream signaling molecule Smad4, which abrogates all canonical TGF-β signaling, indeed inhibits both tumor growth and metastasis. Conditional deletion of the inhibitory signaling factor Smad7, however, generated cells that are both highly invasive and proliferative, indicating that invasiveness is compatible with a high proliferation rate. In fact, conditional Smad7 deletion led to sustained melanoma growth and at the same time promoted massive metastasis formation, a result consistent with data indicating that low SMAD7 levels in patient tumors are associated with a poor survival. Our findings reveal that modulation of SMAD7 levels can overcome the need for phenotype switching during tumor progression and may thus represent a novel therapeutic target in metastatic disease.

Indexed as

Signal TransductionAnimalsDisease-Free SurvivalHumansMelanomaMiceMice, KnockoutNeoplasm InvasivenessNeoplasm MetastasisSmad4 ProteinSmad7 ProteinSurvival RateSmad4 ProteinSMAD4 protein, humanSmad4 protein, mouseSmad7 ProteinSMAD7 protein, humanSmad7 protein, mouseCell BiologyCell migration/adhesionDermatologyMelanomaMouse models

Identifiers

PMID31039140
PMCPMC6597210
OpenAlexW2943702482

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.