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Cell Rep. 2015 Apr 28;11(4):630-44. doi: 10.1016/j.celrep.2015.03.050. Epub 2015 Apr 16.

The proteomic landscape of triple-negative breast cancer.

Author information

1
Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA.
2
Center for Cancer Innovation, University of Washington, Seattle, WA 98109, USA; Department of Medicine, Division of Hematology, University of Washington, Seattle, WA 98195, USA.
3
Icahn School of Medicine, Mount Sinai, New York, NY 10029, USA.
4
Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA; Department of Computer Science and Engineering, University of Washington, Seattle, WA 98195, USA.
5
Department of Genome Sciences, University of Washington, Seattle, WA 98195, USA. Electronic address: jvillen@u.washington.edu.

Erratum in

  • Cell Rep. 2015 May 12;11(6):990.

Abstract

Triple-negative breast cancer is a heterogeneous disease characterized by poor clinical outcomes and a shortage of targeted treatment options. To discover molecular features of triple-negative breast cancer, we performed quantitative proteomics analysis of twenty human-derived breast cell lines and four primary breast tumors to a depth of more than 12,000 distinct proteins. We used this data to identify breast cancer subtypes at the protein level and demonstrate the precise quantification of biomarkers, signaling proteins, and biological pathways by mass spectrometry. We integrated proteomics data with exome sequence resources to identify genomic aberrations that affect protein expression. We performed a high-throughput drug screen to identify protein markers of drug sensitivity and understand the mechanisms of drug resistance. The genome and proteome provide complementary information that, when combined, yield a powerful engine for therapeutic discovery. This resource is available to the cancer research community to catalyze further analysis and investigation.

PMID:
25892236
PMCID:
PMC4425736
DOI:
10.1016/j.celrep.2015.03.050
[Indexed for MEDLINE]
Free PMC Article

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