High-coverage whole-genome analysis of 1220 cancers reveals hundreds of genes deregulated by rearrangement-mediated cis-regulatory alterations
0301 basic medicine
Cancer Research
Medizin
General Physics and Astronomy
Regulatory Sequences, Nucleic Acid
Genome, Cancer
Ecology,Evolution & Ethology
Neoplasms
Databases, Genetic
Cancer genomics
2.1 Biological and endogenous factors
3100 Physics and Astronomy
Genes, Tumor Suppressor
Aetiology
Càncer
Cancer
0303 health sciences
Human Biology & Physiology
Q
3rd-DAS
1600 Chemistry
3. Good health
Gene Expression Regulation, Neoplastic
Enhancer Elements, Genetic
PCAWG Structural Variation Working Group
Genetics & Genomics
Tumor Suppressor
Biotechnology
PCAWG Transcriptome Working Group
1300 Biochemistry
Enhancer Elements
Science
General Biochemistry,Genetics and Molecular Biology
Radboudumc 17: Women's cancers RIHS: Radboud Institute for Health Sciences
610
Genetics and Molecular Biology
QH426 Genetics
Article
RC0254
Databases
03 medical and health sciences
Rare Diseases
SDG 3 - Good Health and Well-being
Genetic
Genetics
Humans
QH426
Computational & Systems Biology
Neoplastic
Nucleic Acid
Whole Genome Sequencing
RC0254 Neoplasms. Tumors. Oncology (including Cancer)
Human Genome
PCAWG Consortium
General Chemistry
Oncogenes
DNA Methylation
Tumour Biology
Radboudumc 17: Women's cancers RIMLS: Radboud Institute for Molecular Life Sciences
Genòmica
Gene Expression Regulation
Genes
General Biochemistry
Genomic Structural Variation
Gene expression
Digestive Diseases
Regulatory Sequences
Genètica
DOI:
10.1038/s41467-019-13885-w
Publication Date:
2020-02-05T19:03:29Z
AUTHORS (1483)
ABSTRACT
AbstractThe impact of somatic structural variants (SVs) on gene expression in cancer is largely unknown. Here, as part of the ICGC/TCGA Pan-Cancer Analysis of Whole Genomes (PCAWG) Consortium, which aggregated whole-genome sequencing data and RNA sequencing from a common set of 1220 cancer cases, we report hundreds of genes for which the presence within 100 kb of an SV breakpoint associates with altered expression. For the majority of these genes, expression increases rather than decreases with corresponding breakpoint events. Up-regulated cancer-associated genes impacted by this phenomenon include TERT, MDM2, CDK4, ERBB2, CD274, PDCD1LG2, and IGF2. TERT-associated breakpoints involve ~3% of cases, most frequently in liver biliary, melanoma, sarcoma, stomach, and kidney cancers. SVs associated with up-regulation of PD1 and PDL1 genes involve ~1% of non-amplified cases. For many genes, SVs are significantly associated with increased numbers or greater proximity of enhancer regulatory elements near the gene. DNA methylation near the promoter is often increased with nearby SV breakpoint, which may involve inactivation of repressor elements.
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