Evidence map›Paper›PMID 28928933›Full record

ArticleF1000Research2016

Revisiting inconsistency in large pharmacogenomic studies.

Zhaleh Safikhani, Petr Smirnov, Mark Freeman, Nehme El-Hachem, Adrian She, Quevedo Rene, Anna Goldenberg, Nicolai J Birkbak, Christos Hatzis, Leming Shi and 4 more

Abstract read
In one paragraph

Article in F1000Research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

66 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Tissue specificity of in vitro drug sensitivity.Journal of the American Medical Informatics Association : JAMIA · 2018
    Pooled it
  2. Review
  3. Harmonization and integration of pharmacogenomics screens.Bioinformatics (Oxford, England) · 2026
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6 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

14 authors.

Zhaleh SafikhaniDepartment of Medical Biophysics, University of Toronto, Toronto, M5G 1L7, Canada.
Petr SmirnovPrincess Margaret Cancer Centre, University Health Network, Toronto, M5G 1L7, Canada.
Mark FreemanPrincess Margaret Cancer Centre, University Health Network, Toronto, M5G 1L7, Canada.
Nehme El-HachemInstitut de Recherches Cliniques de Montréal, Montréal, H2W 1R7, Canada.
Adrian ShePrincess Margaret Cancer Centre, University Health Network, Toronto, M5G 1L7, Canada.
Quevedo ReneDepartment of Medical Biophysics, University of Toronto, Toronto, M5G 1L7, Canada.
Anna GoldenbergDepartment of Computer Science, University of Toronto, Toronto, M5S 2E4, Canada.
Nicolai J BirkbakUniversity College London, London, WC1E 6BT, UK.
Christos HatzisYale Cancer Center, Yale University, New Haven, CT, 06510, USA.
Leming ShiUniversity of Arkansas for Medical Sciences, Little Rock, AR, 72205, USA.
Andrew H BeckDepartment of Pathology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, 02215, USA.
Hugo J W L AertsDepartment of Biostatistics and Computational Biology and Center for Cancer Computational Biology, Boston, MA, 02215, USA.
John QuackenbushDepartment of Biostatistics and Computational Biology and Center for Cancer Computational Biology, Boston, MA, 02215, USA.
Benjamin Haibe-KainsDepartment of Medical Biophysics, University of Toronto, Toronto, M5G 1L7, Canada.

Funding

Epidemiologic StudiesU19CA148065 · NCI · HARVARD SCHOOL OF PUBLIC HEALTH · PI AHSAN, HABIBUL, BRUGGE, JOAN SIEFERT · 2010 to 2014
$10.6M
Using Networks to Assign Gene Function in Lung DiseaseR01HL111759 · NHLBI · DANA-FARBER CANCER INST · PI QUACKENBUSH, JOHN, SILVERMAN, EDWIN K · 2012 to 2015
$3.4M
Protective behavioral strategies and mental health: Reducing alcohol-related riskR21AA020104 · NIAAA · LOYOLA MARYMOUNT UNIVERSITY · PI LABRIE, JOSEPH W. · 2010 to 2011
$367k
NCI NIH HHS U19 CA148065NHLBI NIH HHS R01 HL111759NIAAA NIH HHS R21 AA020104
6 · The paper itself

Abstract

In 2013, we published a comparative analysis of mutation and gene expression profiles and drug sensitivity measurements for 15 drugs characterized in the 471 cancer cell lines screened in the Genomics of Drug Sensitivity in Cancer (GDSC) and Cancer Cell Line Encyclopedia (CCLE). While we found good concordance in gene expression profiles, there was substantial inconsistency in the drug responses reported by the GDSC and CCLE projects. We received extensive feedback on the comparisons that we performed. This feedback, along with the release of new data, prompted us to revisit our initial analysis. We present a new analysis using these expanded data, where we address the most significant suggestions for improvements on our published analysis - that targeted therapies and broad cytotoxic drugs should have been treated differently in assessing consistency, that consistency of both molecular profiles and drug sensitivity measurements should be compared across cell lines, and that the software analysis tools provided should have been easier to run, particularly as the GDSC and CCLE released additional data. Our re-analysis supports our previous finding that gene expression data are significantly more consistent than drug sensitivity measurements. Using new statistics to assess data consistency allowed identification of two broad effect drugs and three targeted drugs with moderate to good consistency in drug sensitivity data between GDSC and CCLE. For three other targeted drugs, there were not enough sensitive cell lines to assess the consistency of the pharmacological profiles. We found evidence of inconsistencies in pharmacological phenotypes for the remaining eight drugs. Overall, our findings suggest that the drug sensitivity data in GDSC and CCLE continue to present challenges for robust biomarker discovery. This re-analysis provides additional support for the argument that experimental standardization and validation of pharmacogenomic response will be necessary to advance the broad use of large pharmacogenomic screens.

Indexed as

cancerconsistencydrug sensitivitypharmacogenomic agreementpharmacogenomics

Identifiers

PMID28928933
PMCPMC5580432

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.