Evidence map›Paper›PMID 23544165›Full record

ArticleTranslational oncology2013

CXCR4 Expression and Treatment with SDF-1α or Plerixafor Modulate Proliferation and Chemosensitivity of Colon Cancer Cells.

Doreen Heckmann, Patrick Maier, Stephanie Laufs, Frederik Wenz, W Jens Zeller, Stefan Fruehauf, Heike Allgayer

Open access · goldAbstract read
In one paragraph

Article in Translational oncology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

26 citing papers in PubMed, 40 citations in OpenAlex.

  1. CXCR4, CXCL12 and the relative CXCL12-CXCR4 expression as prognostic factors in colon cancer.Tumour biology : the journal of the International Society for Oncodevelopmental Biology and Medicine · 2016
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  5. SubvertingBiology · 2024
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  14. Autophagy and Cancer Dormancy.Frontiers in oncology · 2021
    Review
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  16. Switching Homes: How Cancer Moves to Bone.International journal of molecular sciences · 2020
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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

7 authors at 6 institutions in 1 country.

Doreen HeckmannMolecular Oncology of Solid Tumors, German Cancer Research Center (DKFZ), Heidelberg, Germany ; Department of Experimental Surgery, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
Patrick Maier
Stephanie Laufs
Frederik Wenz
W Jens Zeller
Stefan Fruehauf
Heike Allgayer
University Medical Centre Mannheim · DEGerman Cancer Research Center · DEHeidelberg University · DENational Center for Tumor Diseases · DEParacelsus-Kliniken · DEUniversity Hospital Heidelberg · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSignaling through stromal cell-derived factor-1α (SDF-1α), strongly secreted by bone marrow stromal cells and the CXC chemokine receptor 4 (CXCR4) exposed on tumor cells has pivotal roles in proliferation, metastasis, and tumor cell "dormancy." Dormancy is associated with cytostatic drug resistance and is probably a property of tumor stem cells and minimal residual disease. Thus, hampering the SDF-1α/CXCR4 cross talk by a CXCR4 antagonist like Plerixafor (AMD3100) should overcome tumor cell dormancy bymobilization of tumor cells from "sanctuary" niches. Our aim was to elucidate the direct effects exerted by SDF-1α and Plerixafor on proliferation, chemosensitivity, and apoptosis of CXCR4-expressing tumor cells.

methodsThe ability of SDF-1α and Plerixafor to regulate intracellular signaling, proliferation, and invasion was investigated using two colon cancer cell lines (HT-29 and SW480) with either high endogenous or lentiviral expression of CXCR4 compared to their respective low CXCR4-expressing counterparts as a model system. Efficacy of Plerixafor on sensitivity of these cell lines against 5-fluorouracil, irinotecan, or oxaliplatin was determined in a cell viability assay as well as stroma-dependent cytotoxicity and apoptosis assays.

resultsSDF-1α increased proliferation, invasion, and ERK signaling of endogenously and lentivirally CXCR4-expressing cells. Exposure to Plerixafor reduced proliferation, invasion, and extracellular signal-regulated kinase 1/2 (ERK1/2) signaling. Combination of chemotherapy with Plerixafor showed an additive effect on chemosensitivity and apoptosis in CXCR4-overexpressing cells. An SDF-1-secreting feeder layer provideda"protective niche" for CXCR4-overexpressing cells resulting in decreased chemosensitivity.

conclusionCXCR4-antagonistic therapy mobilizes and additionally sensitizes tumor cells toward cytoreductive chemotherapy.

Identifiers

PMID23544165
PMCPMC3610551
OpenAlexW2010108963

What OpenQuestion holds

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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.