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| Open Access5-Hydroxymethylcytosine localizes to enhancer elements and is associated with survival in glioblastoma patients
Glioblastomas have distorted epigenomes. Here, the authors compare the genome-wide profiles of 5-methylcytosine and 5- hydroxymethylcytosine in glioblastoma and prefrontal cortex tissue reporting a correlation between these profiles and patients’ prognosis.
- Kevin C. Johnson
- , E. Andres Houseman
- & Brock C. Christensen
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Article
| Open AccessImpact of mutational profiles on response of primary oestrogen receptor-positive breast cancers to oestrogen deprivation
Aromatase inhibitors are used to treat oestrogen receptor positive breast cancers but the molecular basis for the response of patients is unclear. Here, the authors use samples from an aromatase inhibitor clinical trial and show that tumours from poor responders have more mutations than good responders and also more frequently harbour p53 mutations.
- Pascal Gellert
- , Corrinne V. Segal
- & Peter Donnelly
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Article
| Open AccessGenomic analyses identify recurrent MEF2D fusions in acute lymphoblastic leukaemia
Acute lymphoblastic leukaemia is characterized by chromosomal rearrangements. Here, the authors carry out RNA-sequencing on a large cohort of patients and identify recurrent rearrangements of MEF2D, which lead to increased transcriptional activity of the gene, and cellular transformation in vitro.
- Zhaohui Gu
- , Michelle Churchman
- & Charles G. Mullighan
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Article
| Open AccessPan-cancer transcriptomic analysis associates long non-coding RNAs with key mutational driver events
Long non-coding RNAs are implicated in multiple aspects of tumourigenesis. Here, the authors generate a landscape of these macromolecules in a wide array of cancer types and examine which RNAs are transcriptionally altered in relation to somatic driver mutations in established coding cancer genes.
- Arghavan Ashouri
- , Volkan I. Sayin
- & Erik Larsson
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| Open AccessGenomic heterogeneity of multiple synchronous lung cancer
Some patients present with multiple lung tumours but it is unclear whether these are metastases or individual lesions. Here, the authors use genomics techniques to demonstrate in six patients that multiple tumours have individual genetic profiles and represent separate tumours.
- Yu Liu
- , Jianjun Zhang
- & Yanning Gao
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Article
| Open AccessGenomic and oncogenic preference of HBV integration in hepatocellular carcinoma
Hepatitis B infection is a risk factor for hepatocellular carcinoma. Here, the authors characterise viral infection in a cohort of hepatocellular carcinoma patients and find viral integration is more frequent in males than females.
- Ling-Hao Zhao
- , Xiao Liu
- & Hong-Yang Wang
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Article
| Open AccessComprehensive functional analysis of the tousled-like kinase 2 frequently amplified in aggressive luminal breast cancers
Luminal B oestrogen receptor positive breast cancers are generally aggressive tumors with poor outcomes. Here, the authors show that the kinase TLK2 is amplified and overexpressed in these tumors and correlates with reduced survival, TLK2 inhibition induces apoptosis in vitroand improves survival in mice.
- Jin-Ah Kim
- , Ying Tan
- & Xiao-Song Wang
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Article
| Open AccessMutational signatures of ionizing radiation in second malignancies
Ionizing radiation may induce irreparable DNA damage leading to cancer. Here, the authors identify a specific signature of mutations arising in patients exposed to ionizing radiation and suggest that radiation-induced tumorigenesis is associated with higher rates of genome-wide deletions and balanced inversions.
- Sam Behjati
- , Gunes Gundem
- & Peter J. Campbell
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Article
| Open AccessTP53 mutations emerge with HDM2 inhibitor SAR405838 treatment in de-differentiated liposarcoma
Pre-clinical studies have shown that TP53 mutations can account for acquired resistance to HDM2 antagonists. This study provides clinical evidence for the emergence of TP53mutations in circulating cell-free DNA, seen in 5 out of 20 de-differentiated liposarcoma patients treated with an HDM2 antagonist.
- Joonil Jung
- , Joon Sang Lee
- & James Watters
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| Open AccessCross-species identification of genomic drivers of squamous cell carcinoma development across preneoplastic intermediates
Cutaneous squamous cell of the skin is a common neoplasm that frequently arises from precancerous actinic keratoses. Here, the authors carry out genomic analysis on matched sets of human lesions and compare with those in ultraviolet treated mice and identify conserved drivers of tumour development.
- Vida Chitsazzadeh
- , Cristian Coarfa
- & Kenneth Y. Tsai
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| Open AccessRapid evolutionary response to a transmissible cancer in Tasmanian devils
A recently emerged infectious cancer has caused the near extinction of the Tasmanian devil, but some populations persist. Here, Epstein et al. provide evidence for possible resistance via rapid evolution in two genomic regions that contain cancer-related immune response genes.
- Brendan Epstein
- , Menna Jones
- & Andrew Storfer
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Article
| Open AccessGenome-wide association study identifies 14 novel risk alleles associated with basal cell carcinoma
Basal cell carcinoma is a common skin lesion and the risk loci for this cancer are beginning to be understood. In this study, the authors conduct a two-stage genome-wide association study and confirm known risk loci and identify an additional 14 loci.
- Harvind S. Chahal
- , Wenting Wu
- & Kavita Y. Sarin
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Article
| Open AccessAssociation of variations in HLA class II and other loci with susceptibility to EGFR-mutated lung adenocarcinoma
EGFR mutations in lung adenocarcinoma are more frequent in East Asians compared to other populations. Here, the authors carry out a genome-wide association study in EGFRmutant cancers and identify loci that are associated with risk of developing this molecular subtype of cancer.
- Kouya Shiraishi
- , Yukinori Okada
- & Takashi Kohno
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Article
| Open AccessAromatase inhibition remodels the clonal architecture of estrogen-receptor-positive breast cancers
Aromatase inhibitors are used to treat oestrogen-receptor-positive breast cancer. Here, the authors use genomic approaches to analyse tumours before and after neo-adjuvant treatment and find that treatment alters the clonal landscape of the tumours.
- Christopher A. Miller
- , Yevgeniy Gindin
- & Matthew J. Ellis
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Article
| Open Access3D hotspots of recurrent retroviral insertions reveal long-range interactions with cancer genes
Retroviral insertional mutagenesis is used for identifying genes involved in the development of cancer. Here, the authors overlay cancer-causing insertions with genome-wide Hi-C data and find that retroviral elements tend to cluster in 3D hotspots.
- Sepideh Babaei
- , Waseem Akhtar
- & Jeroen de Ridder
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Integrated Omic analysis of lung cancer reveals metabolism proteome signatures with prognostic impact
Lung adenocarcinoma (ADC) and squamous cell carcinoma (SCC) are the two major subtypes of lung cancer. Here the authors integrate omic data sets, including gene copy number, mRNA expression and proteomics, to identify subtype-specific molecular signatures and candidate drivers linked to ADC and SCC.
- Lei Li
- , Yuhong Wei
- & Michael F. Moran
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Genomic landscape and genetic heterogeneity in gastric adenocarcinoma revealed by whole-genome sequencing
Gastric cancer has two distinct morphologic subtypes, intestinal and diffuse, that differ in genetic composition and clinical manifestation. Here, the authors carry out whole-genome sequencing of diffuse and intestinal gastric cancer samples and characterize the mutational landscape of these different subtypes.
- Swee Seong Wong
- , Kyoung-Mee Kim
- & Amit Aggarwal
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Article
| Open AccessGenomic landscape of metastatic colorectal cancer
Response to drug therapy in colorectal cancer (CRC) patients has been associated with tumour heterogeneity. Here the authors analyse DNA copy number aberrations in primary tumours from CRC patients and identify genetic variants that influence drug response.
- Josien C. Haan
- , Mariette Labots
- & Gerrit A. Meijer
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Variation in genomic landscape of clear cell renal cell carcinoma across Europe
Renal cancer accounts for 2.4% of all adult cancers and its incidence is increasing worldwide. Here, the authors carry out genome and transcriptome sequencing of clear cell renal cell carcinomas (ccRCCs) and highlight genomic aberrations and biological pathways underlying ccRCC tumorigenesis.
- Ghislaine Scelo
- , Yasser Riazalhosseini
- & G. Mark Lathrop
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Article
| Open AccessGenomic catastrophes frequently arise in esophageal adenocarcinoma and drive tumorigenesis
Loss-of-function mutations in tumour suppressor genes are associated with oesophageal adenocarcinoma (EAC), but the mechanisms underlying EAC development remain unclear. Here, the authors show that EACs present a high frequency of genomic catastrophes resulting in amplification of potent oncogenes.
- Katia Nones
- , Nicola Waddell
- & Andrew P. Barbour
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A pan-cancer proteomic perspective on The Cancer Genome Atlas
Analyses of genome and transcriptome data are unable to accurately predict protein levels and function in tumour samples. Here, the authors carry out a comprehensive protein analysis in 3,467 samples from the cancer genome atlas, providing a resource to study the prognostic and therapeutic potential of tumour proteins.
- Rehan Akbani
- , Patrick Kwok Shing Ng
- & Gordon B. Mills
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Article
| Open AccessIntegrated exome and transcriptome sequencing reveals ZAK isoform usage in gastric cancer
The genetic basis of gastric cancer, the fourth most common cancer worldwide, remains poorly understood. Here, the authors sequence and analyse the exomes and transcriptomes of primary gastric tumours and cell lines, and identify a ZAK kinase isoform that may have an oncogenic role in gastric cancer.
- Jinfeng Liu
- , Mark McCleland
- & Zemin Zhang
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| Open AccessHeterogeneity of genomic evolution and mutational profiles in multiple myeloma
Multiple myeloma is a malignant plasma cell disorder with a complex molecular pathogenesis. Here, the authors perform whole-exome sequencing, copy-number profiling and cytogenetic analysis in 84 myeloma samples and highlight the diversity and evolution of the mutational profile underlying the disease.
- Niccolo Bolli
- , Hervé Avet-Loiseau
- & Nikhil C. Munshi
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DNA replication timing and selection shape the landscape of nucleotide variation in cancer genomes
Cancer cells form by somatic mutations and natural selection, but how these factors affect tumorigenesis is not clear. Here, somatic mutations are characterized in human cancer genomes, revealing that DNA replication timing influences the frequency of single-nucleotide variants in different genomic regions.
- Yong H Woo
- & Wen-Hsiung Li