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Genomic analyses identify molecular subtypes of pancreatic cancer
Nature (London), 2016-03, Vol.531 (7592), p.47-52
2016
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Autor(en) / Beteiligte
Titel
Genomic analyses identify molecular subtypes of pancreatic cancer
Ist Teil von
  • Nature (London), 2016-03, Vol.531 (7592), p.47-52
Ort / Verlag
England: Nature Publishing Group
Erscheinungsjahr
2016
Quelle
MEDLINE
Beschreibungen/Notizen
  • Integrated genomic analysis of 456 pancreatic ductal adenocarcinomas identified 32 recurrently mutated genes that aggregate into 10 pathways: KRAS, TGF-β, WNT, NOTCH, ROBO/SLIT signalling, G1/S transition, SWI-SNF, chromatin modification, DNA repair and RNA processing. Expression analysis defined 4 subtypes: (1) squamous; (2) pancreatic progenitor; (3) immunogenic; and (4) aberrantly differentiated endocrine exocrine (ADEX) that correlate with histopathological characteristics. Squamous tumours are enriched for TP53 and KDM6A mutations, upregulation of the TP63∆N transcriptional network, hypermethylation of pancreatic endodermal cell-fate determining genes and have a poor prognosis. Pancreatic progenitor tumours preferentially express genes involved in early pancreatic development (FOXA2/3, PDX1 and MNX1). ADEX tumours displayed upregulation of genes that regulate networks involved in KRAS activation, exocrine (NR5A2 and RBPJL), and endocrine differentiation (NEUROD1 and NKX2-2). Immunogenic tumours contained upregulated immune networks including pathways involved in acquired immune suppression. These data infer differences in the molecular evolution of pancreatic cancer subtypes and identify opportunities for therapeutic development.
Sprache
Englisch
Identifikatoren
ISSN: 0028-0836
eISSN: 1476-4687
DOI: 10.1038/nature16965
Titel-ID: cdi_proquest_journals_1772142522
Format
–
Schlagworte
Animals, Basic Helix-Loop-Helix Transcription Factors - genetics, Carcinoma, Pancreatic Ductal - classification, Carcinoma, Pancreatic Ductal - genetics, Carcinoma, Pancreatic Ductal - immunology, Carcinoma, Pancreatic Ductal - metabolism, Carcinoma, Pancreatic Ductal - pathology, Cell Line, Tumor, DNA Methylation, DNA-Binding Proteins - genetics, Gene expression, Gene Expression Regulation, Neoplastic, Gene Regulatory Networks, Genes, Genes, Neoplasm - genetics, Genome, Human - genetics, Genomes, Genomics, Hepatocyte Nuclear Factor 3-beta - genetics, Hepatocyte Nuclear Factor 3-gamma - genetics, Histone Demethylases - genetics, Homeobox Protein Nkx-2.2, Homeodomain Proteins - genetics, Humans, Methods, Mice, Mutation, Mutation - genetics, Nuclear Proteins - genetics, Pancreatic cancer, Pancreatic Neoplasms - classification, Pancreatic Neoplasms - genetics, Pancreatic Neoplasms - immunology, Pancreatic Neoplasms - metabolism, Pancreatic Neoplasms - pathology, Physiological aspects, Prognosis, Receptors, Cytoplasmic and Nuclear - genetics, Survival Analysis, Trans-Activators - genetics, Transcription Factors - genetics, Transcription, Genetic, Transcriptome, Tumor Suppressor Protein p53 - genetics, Tumor Suppressor Proteins - genetics, Tumors, Zebrafish Proteins

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