Evidence map›Paper›PMID 17724466›Full record

ArticleOncogene2008

Epigenetic silencing of CXCL12 increases the metastatic potential of mammary carcinoma cells.

M K Wendt, A N Cooper, M B Dwinell

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in Oncogene, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
78citing papers in PubMed, 1 pooled it
4.7field-weighted citation impact, top 4% 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

78 citing papers in PubMed, 1 synthesis or guideline pooled it, 116 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Clinical Medicine Insights. Oncology · 2026
    Article
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  12. Physiology of chemokines in the cancer microenvironment.American journal of physiology. Cell physiology · 2023
    Review
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18 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

3 authors at 1 institution in 1 country.

M K WendtDepartment of Microbiology and Molecular Genetics, Medical College of Wisconsin, Milwaukee, WI 53226-0509, USA.
A N Cooper
M B Dwinell
Medical College of Wisconsin · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Expression of the chemokine receptor CXCR4 has been linked with increased metastasis and decreased clinical prognosis in breast cancer. The current paradigm dictates that CXCR4 fosters carcinoma cell metastasis along a chemotactic gradient to organs expressing the ligand CXCL12. The present study asked if alterations in autocrine CXCR4 signaling via dysregulation of CXCL12 in mammary carcinoma cells modulated their metastatic potential. While CXCR4 was consistently detected, expression of CXCL12 characteristic of human mammary epithelium was silenced by promoter hypermethylation in breast cancer cell lines and primary mammary tumors. Stable re-expression of functional CXCL12 in ligand null cells increased orthotopic primary tumor growth in the mammary fat-pad model of tumorigenesis. Those data parallel increased carcinoma cell proliferation measured in vitro with little-to-no-impact on apoptosis. Moreover, re-expression of autocrine CXCL12 markedly reduced metastatic lung invasion assessed using in vivo bioluminescence imaging following tail vein injection. Consistent with those data, decreased metastasis reflected diminished intracellular calcium signaling and chemotactic migration in response to exogenous CXCL12 independent of changes in CXCR4 expression. Together these data suggest that an elevated migratory signaling response to ectopic CXCL12 contributes to the metastatic potential of CXCR4-expressing mammary carcinoma cells, subsequent to epigenetic silencing of autocrine CXCL12.

Indexed as

AnimalsBreast NeoplasmsCell Line, TumorChemokine CXCL12DNA MethylationEpigenesis, GeneticFemaleGene SilencingHT29 CellsHumansLung NeoplasmsMiceMice, SCIDNeoplasm InvasivenessPromoter Regions, GeneticReceptors, CXCR4Chemokine CXCL12Receptors, CXCR4

Identifiers

PMID17724466
OpenAlexW2004992470

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.