Evidence map›Paper›PMID 19696929›Full record

ArticlePloS one2009

Chemoattractant signaling between tumor cells and macrophages regulates cancer cell migration, metastasis and neovascularization.

Chad E Green, Tiffany Liu, Valerie Montel, Gene Hsiao, Robin D Lester, Shankar Subramaniam, Steven L Gonias, Richard L Klemke

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
79citing papers in PubMed, 1 pooled it
3.7field-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

79 citing papers in PubMed, 1 synthesis or guideline pooled it, 134 citations in OpenAlex.

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19 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

8 authors at 1 institution in 1 country.

Chad E GreenDepartment of Pathology and Moores Cancer Center, University of California San Diego, La Jolla, California, United States of America.
Tiffany Liu
Valerie Montel
Gene Hsiao
Robin D Lester
Shankar Subramaniam
Steven L Gonias
Richard L Klemke
University of California, San Diego · US

Funding

Survival Mechanisms of Invasive Carcinoma CellsR01CA097022 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI KLEMKE, RICHARD L. · 2003 to 2017
$4.6M
Signaling GatewayR01GM078005 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI SUBRAMANIAM, SHANKAR · 2006 to 2012
$3.7M
Urokinase Receptor-initiated Cell-SignalingR01CA094900 · NCI · UNIVERSITY OF VIRGINIA CHARLOTTESVILLE · PI GONIAS, STEVEN L. · 2002 to 2011
$2.9M
Mechanisms of Lamellipodia Growth &RetractionR01GM068487 · NIGMS · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI KLEMKE, RICHARD L. · 2003 to 2011
$2.3M
NCI NIH HHS R01 CA094900NCI NIH HHS R01 CA097022NCI NIH HHS R01CA097022NCI NIH HHS R01CA94900NIGMS NIH HHS R01 GM068487NIGMS NIH HHS R01GM068487NIGMS NIH HHS R01 GM078005NIGMS NIH HHS R01GM078005
6 · The paper itself

Abstract

Tumor-associated macrophages are known to influence cancer progression by modulation of immune function, angiogenesis, and cell metastasis, however, little is known about the chemokine signaling networks that regulate this process. Utilizing CT26 colon cancer cells and RAW 264.7 macrophages as a model cellular system, we demonstrate that treatment of CT26 cells with RAW 264.7 conditioned medium induces cell migration, invasion and metastasis. Inflammatory gene microarray analysis indicated CT26-stimulated RAW 264.7 macrophages upregulate SDF-1alpha and VEGF, and that these cytokines contribute to CT26 migration in vitro. RAW 264.7 macrophages also showed a robust chemotactic response towards CT26-derived chemokines. In particular, microarray analysis and functional testing revealed CSF-1 as the major chemoattractant for RAW 264.7 macrophages. Interestingly, in the chick CAM model of cancer progression, RAW 264.7 macrophages localized specifically to the tumor periphery where they were found to increase CT26 tumor growth, microvascular density, vascular disruption, and lung metastasis, suggesting these cells home to actively invading areas of the tumor, but not the hypoxic core of the tumor mass. In support of these findings, hypoxic conditions down regulated CSF-1 production in several tumor cell lines and decreased RAW 264.7 macrophage migration in vitro. Together our findings suggest a model where normoxic tumor cells release CSF-1 to recruit macrophages to the tumor periphery where they secrete motility and angiogenic factors that facilitate tumor cell invasion and metastasis.

Indexed as

Cell MovementNeoplasm MetastasisNeovascularization, PathologicSignal TransductionAnimalsCell LineChemotactic FactorsChick EmbryoCulture Media, ConditionedGene Expression ProfilingMacrophagesMiceNeoplasms, ExperimentalOligonucleotide Array Sequence AnalysisPolymerase Chain ReactionChemotactic FactorsCulture Media, Conditioned

Identifiers

PMID19696929
PMCPMC2725301
OpenAlexW2064989764

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.