Evidence map›Paper›PMID 18084619›Full record

ReviewNeoplasia (New York, N.Y.)2007

Effects of recombinant erythropoietin on breast cancer-initiating cells.

Tiffany M Phillips, Kwanghee Kim, Erina Vlashi, William H McBride, Frank Pajonk

Open access · goldAbstract readReview
In one paragraph

Review in Neoplasia (New York, N.Y.), 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
4.4field-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

39 citing papers in PubMed, 68 citations in OpenAlex.

  1. Review
  2. Article
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  5. Review
  6. Cancer Stem Cells,Cells · 2020
    Review
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  12. Review
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  15. Review
  16. Radiation-induced Notch signaling in breast cancer stem cells.International journal of radiation oncology, biology, physics · 2013
    Article
  17. Article
  18. Article
  19. Article
  20. Review
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

5 authors at 1 institution in 1 country.

Tiffany M PhillipsDepartment of Radiation Oncology, David Geffen School of Medicine, University of California, Los Angeles, 10833 LeConte Ave, Los Angeles, CA 90095-1714, USA.
Kwanghee Kim
Erina Vlashi
William H McBride
Frank Pajonk
University of California, Los Angeles · US

Funding

Research Training in Biomedical PhysicsT32EB002101 · NIBIB · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI Michael F McNitt-Gray · 2003 to 2026
$5.3M
NIBIB NIH HHS 2 T32 EB002101-31NIBIB NIH HHS 5 T32 EB002101NIBIB NIH HHS T32 EB002101
6 · The paper itself

Abstract

backgroundCancer anemia causes fatigue and correlates with poor treatment outcome. Erythropoietin has been introduced in an attempt to correct these defects. However, five recent clinical trials reported a negative impact of erythropoietin on survival and/or tumor control, indicating that experimental evaluation of a possible direct effect of erythropoietin on cancer cells is required. Cancer recurrence is thought to rely on the proliferation of cancer initiating cells (CICs). In breast cancer, CICs can be identified by phenotypic markers and their fate is controlled by the Notch pathway.

methodsIn this study, we investigated the effect of erythropoietin on CICs in breast cancer cell lines. Levels of erythropoietin receptor (EpoR), CD24, CD44, Jagged-1 expression, and activation of Notch-1 were assessed by flow cytometry. Self-renewing capacity of CICs was investigated in sphere formation assays.

resultsEpoR expression was found on the surface of CICs. Recombinant human Epo (rhEpo) increased the numbers of CICs and self-renewing capacity in a Notch-dependent fashion by induction of Jagged-1. Inhibitors of the Notch pathway and PI3-kinase blocked both effects.

conclusionsErythropoietin functionally affects CICs directly. Our observation may explain the negative impact of recombinant Epo on local control and survival of cancer patients with EpoR-positive tumors.

Indexed as

AdenocarcinomaAmyloid Precursor Protein SecretasesBreast NeoplasmsCell AdhesionCell DivisionChromonesErythropoietinFemaleHumansHyaluronan ReceptorsMorpholinesNeoplasm ProteinsNeoplastic Stem CellsPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsReceptor, Notch12-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-oneAmyloid Precursor Protein SecretasesCD22 protein, humanCD44 protein, humanChromonesErythropoietinHyaluronan ReceptorsMorpholinesNeoplasm ProteinsNOTCH1 protein, humanPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsReceptor, Notch1Receptors, ErythropoietinRecombinant Fusion ProteinsRecombinant ProteinsSialic Acid Binding Ig-like Lectin 2breast cancer-initiating cellsCD24-/low/CD44+ breast cancer cellsEporNotchrhEpo

Identifiers

PMID18084619
PMCPMC2134908
OpenAlexW1964709256

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.