Evidence map›Paper›PMID 19584257›Full record

ArticleMolecular cancer research : MCR2009

CXCR4 and matrix metalloproteinase-1 are elevated in breast carcinoma-associated fibroblasts and in normal mammary fibroblasts exposed to factors secreted by breast cancer cells.

Sarah M Eck, Anik L Côté, William D Winkelman, Constance E Brinckerhoff

Open access · bronzeAbstract read
In one paragraph

Article in Molecular cancer research : MCR, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed, 1 pooled it
2.7field-weighted citation impact, top 9% 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

54 citing papers in PubMed, 1 synthesis or guideline pooled it, 84 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

4 authors at 2 institutions in 1 country.

Sarah M EckDepartment of Biochemistry, Dartmouth Medical School, Hanover, New Hampshire 03756, USA.
Anik L Côté
William D Winkelman
Constance E Brinckerhoff
Dartmouth–Hitchcock Medical Center · USDartmouth College · US

Funding

Translational Engineering in Cancer (TEC)P30CA023108 · NCI · DARTMOUTH COLLEGE · PI Steven D Leach · 1985 to 2026
$91.3M
Cancer Biology and Molecular TherapeuticsT32CA009658 · NCI · DARTMOUTH COLLEGE · PI EASTMAN, ALAN R · 1991 to 2011
$3.8M
Invasive Behavior of Tumor Cells Producing Collagenase-1R01CA077267 · NCI · DARTMOUTH COLLEGE · PI BRINCKERHOFF, CONSTANCE E · 1999 to 2013
$2.6M
REGULATION OF COLLAGENASE GENE EXPRESSIONR37AR026599 · NIAMS · DARTMOUTH COLLEGE · PI BRINCKERHOFF, CONSTANCE E · 1999 to 2006
$1.9M
REGULATION OF METALLOPROTEINASE GENE EXPRESSIONR01AR026599 · NIAMS · DARTMOUTH COLLEGE · PI BRINCKERHOFF, CONSTANCE E · 1986 to 2011
$1.7M
NCI NIH HHS CA77267NCI NIH HHS R01 CA077267NCI NIH HHS T32 CA009658NCI NIH HHS T32-CA009658NIAMS NIH HHS AR26599NIAMS NIH HHS R01 AR026599NIAMS NIH HHS R37 AR026599
6 · The paper itself

Abstract

The complex molecular communications that occur between neoplastic and stromal cells within the tumor microenvironment play an integral role in breast cancer pathogenesis. Carcinoma-associated fibroblasts (CAF) produce tumor-enhancing factors and have been strongly implicated in breast cancer development. Similar to the way in which tumors have been compared with "wounds that never heal," CAFs have been equated to activated fibroblasts, which are present in inflammatory environments, in which they aid in wound healing through tissue remodeling and repair. Matrix metalloproteinase-1 (MMP-1) and G protein-coupled receptor, CXCR4, are elevated in these activated fibroblasts, in which they facilitate angiogenesis and matrix degradation, processes that are also vital to breast cancer metastasis. In this study, we investigated MMP-1 and CXCR4 expression in normal human mammary fibroblasts (HMF) exposed to soluble breast cancer factors. Historically, elevated CXCR4 expression is associated with breast cancer cells. However, we show that soluble factors secreted by SUM102 breast cancer cells stimulated the expression of MMP-1 and CXCR4 in HMFs. As a result, these stromal cells acquired an invasive and migratory phenotype. To confirm the clinical relevancy of our findings, we analyzed CAFs obtained from primary breast cancers. These cells also displayed elevated MMP-1 and CXCR4 levels compared with counterpart fibroblasts, and were more invasive and migratory. Together, our data suggest that soluble breast cancer factors initiate the transdifferentiation of normal HMFs to tumor-promoting CAFs, and that through the induction of MMP-1 and CXCR4 levels, these cells exhibit an invasive and migratory phenotype.

Indexed as

AnimalsBreastBreast NeoplasmsCell Growth ProcessesCell MovementCollagen Type IFemaleFibroblastsGene ExpressionHumansIntercellular Signaling Peptides and ProteinsInterleukin-8Matrix Metalloproteinase 1MiceReceptors, CXCR4RNA, MessengerCollagen Type ICXCR4 protein, humanCXCR4 protein, mouseIntercellular Signaling Peptides and ProteinsInterleukin-8Matrix Metalloproteinase 1Receptors, CXCR4RNA, Messenger

Identifiers

PMID19584257
PMCPMC2743167
OpenAlexW2134765094

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Registered trials

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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.