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Details

Autor(en) / Beteiligte
Titel
Proteogenomics connects somatic mutations to signalling in breast cancer
Ist Teil von
  • Nature (London), 2016-06, Vol.534 (7605), p.55-62
Ort / Verlag
England: Nature Publishing Group
Erscheinungsjahr
2016
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
  • Somatic mutations have been extensively characterized in breast cancer, but the effects of these genetic alterations on the proteomic landscape remain poorly understood. Here we describe quantitative mass-spectrometry-based proteomic and phosphoproteomic analyses of 105 genomically annotated breast cancers, of which 77 provided high-quality data. Integrated analyses provided insights into the somatic cancer genome including the consequences of chromosomal loss, such as the 5q deletion characteristic of basal-like breast cancer. Interrogation of the 5q trans-effects against the Library of Integrated Network-based Cellular Signatures, connected loss of CETN3 and SKP1 to elevated expression of epidermal growth factor receptor (EGFR), and SKP1 loss also to increased SRC tyrosine kinase. Global proteomic data confirmed a stromal-enriched group of proteins in addition to basal and luminal clusters, and pathway analysis of the phosphoproteome identified a G-protein-coupled receptor cluster that was not readily identified at the mRNA level. In addition to ERBB2, other amplicon-associated highly phosphorylated kinases were identified, including CDK12, PAK1, PTK2, RIPK2 and TLK2. We demonstrate that proteogenomic analysis of breast cancer elucidates the functional consequences of somatic mutations, narrows candidate nominations for driver genes within large deletions and amplified regions, and identifies therapeutic targets.
Sprache
Englisch
Identifikatoren
ISSN: 0028-0836, 1476-4687
eISSN: 1476-4687
DOI: 10.1038/nature18003
Titel-ID: cdi_swepub_primary_oai_prod_swepub_kib_ki_se_133635753
Format
Schlagworte
Analysis, Breast cancer, Breast Neoplasms - classification, Breast Neoplasms - enzymology, Breast Neoplasms - genetics, Breast Neoplasms - metabolism, Calcium-Binding Proteins - deficiency, Calcium-Binding Proteins - genetics, Cancer, Cancer research, Chromosome Deletion, Chromosomes, Human, Pair 5 - genetics, Class I Phosphatidylinositol 3-Kinases, Cyclin-Dependent Kinases - genetics, Cyclin-Dependent Kinases - metabolism, Deoxyribonucleic acid, DNA, Female, Focal Adhesion Kinase 1 - genetics, Focal Adhesion Kinase 1 - metabolism, Gene amplification, Gene Expression Regulation, Neoplastic, Gene mutation, Genetic aspects, Genetic research, Genomes, Genomics, Humans, Kinases, Mass Spectrometry, Medicin och hälsovetenskap, Methods, Molecular Sequence Annotation, Mutation, Mutation (Biology), Mutation - genetics, Oncology, Experimental, p21-Activated Kinases - genetics, p21-Activated Kinases - metabolism, Peptides, Phosphatidylinositol 3-Kinases - genetics, Phosphoproteins - analysis, Phosphoproteins - genetics, Phosphoproteins - metabolism, Physiological aspects, Protein expression, Protein Kinases - genetics, Protein Kinases - metabolism, Proteins, Proteomics, Receptor, Epidermal Growth Factor - genetics, Receptor, Epidermal Growth Factor - metabolism, Receptor, ErbB-2 - genetics, Receptor, ErbB-2 - metabolism, Receptor-Interacting Protein Serine-Threonine Kinase 2 - genetics, Receptor-Interacting Protein Serine-Threonine Kinase 2 - metabolism, Receptors, G-Protein-Coupled - genetics, Receptors, G-Protein-Coupled - metabolism, S-Phase Kinase-Associated Proteins - genetics, S-Phase Kinase-Associated Proteins - metabolism, Signal Transduction, Signaling peptides and proteins, src-Family Kinases - genetics, src-Family Kinases - metabolism, Tumor Suppressor Protein p53 - genetics, Tumors

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