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Divergent mutationa...
Divergent mutational processes distinguish hypoxic and normoxic tumours
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- Bhandari, Vinayak (författare)
- University of Toronto
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- Li, Constance H (författare)
- University of Toronto
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- Bristow, Robert G (författare)
- University of Manchester
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- Boutros, Paul C (författare)
- University of Toronto
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- Borg, Åke (creator_code:cre_t)
- Lund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Familjär bröstcancer,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine,Familial Breast Cancer,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments
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- Ringnér, Markus (creator_code:cre_t)
- Lund University,Lunds universitet,Molekylär cellbiologi,Biologiska institutionen,Naturvetenskapliga fakulteten,Molecular Cell Biology,Department of Biology,Faculty of Science
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- Staaf, Johan (creator_code:cre_t)
- Lund University,Lunds universitet,Forskningsgrupp Lungcancer,Forskargrupper vid Lunds universitet,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,Bröst/lungcancer,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Research Group Lung Cancer,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,Breast/lungcancer,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine
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(creator_code:org_t)
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- 2020-02-05
- 2020
- Engelska 10 s.
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 11
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://www.nature.c...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Many primary tumours have low levels of molecular oxygen (hypoxia), and hypoxic tumours respond poorly to therapy. Pan-cancer molecular hallmarks of tumour hypoxia remain poorly understood, with limited comprehension of its associations with specific mutational processes, non-coding driver genes and evolutionary features. Here, as part of the ICGC/TCGA Pan-Cancer Analysis of Whole Genomes (PCAWG) Consortium, which aggregated whole genome sequencing data from 2658 cancers across 38 tumour types, we quantify hypoxia in 1188 tumours spanning 27 cancer types. Elevated hypoxia associates with increased mutational load across cancer types, irrespective of underlying mutational class. The proportion of mutations attributed to several mutational signatures of unknown aetiology directly associates with the level of hypoxia, suggesting underlying mutational processes for these signatures. At the gene level, driver mutations in TP53, MYC and PTEN are enriched in hypoxic tumours, and mutations in PTEN interact with hypoxia to direct tumour evolutionary trajectories. Overall, hypoxia plays a critical role in shaping the genomic and evolutionary landscapes of cancer.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
Nyckelord
- Cell Hypoxia/genetics
- Genes, myc
- Genome, Human
- Genomic Structural Variation
- Humans
- Mutation
- Neoplasms/genetics
- PTEN Phosphohydrolase/genetics
- Polymorphism, Single Nucleotide
- Tumor Hypoxia/genetics
- Tumor Microenvironment/genetics
- Tumor Suppressor Protein p53/genetics
- Whole Genome Sequencing
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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