Evidence map›Paper›PMID 34518533›Full record

ArticleNature communications2021

DNA methylation landscapes of 1538 breast cancers reveal a replication-linked clock, epigenomic instability and cis-regulation.

Rajbir Nath Batra, Aviezer Lifshitz, Ana Tufegdzic Vidakovic, Suet-Feung Chin, Ankita Sati-Batra, Stephen-John Sammut, Elena Provenzano, H Raza Ali, Ali Dariush, Alejandra Bruna and 11 more

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
4.9field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

45 citing papers in PubMed, 82 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

21 authors at 9 institutions in 5 countries.

Rajbir Nath Batra *Cancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.ORCID 0000-0001-7010-8189
Aviezer Lifshitz *Department of Computer Science and Applied Mathematics, and Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel.ORCID 0000-0002-8458-9507
Ana Tufegdzic VidakovicMechanisms of Transcription Laboratory, The Francis Crick Institute, London, UK.
Suet-Feung ChinCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.ORCID 0000-0001-5697-1082
Ankita Sati-BatraCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.
Stephen-John SammutCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.
Elena ProvenzanoCancer Research UK Cambridge Centre, Cambridge, UK.ORCID 0000-0003-3345-3965
H Raza AliCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.ORCID 0000-0001-7587-0906
Ali DariushCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.
Alejandra BrunaCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.
Leigh MurphyResearch Institute in Oncology and Hematology, Winnipeg, Manitoba, Canada.
Arnie PurushothamSchool of Cancer and Pharmaceutical Sciences, King's College London, London, UK.ORCID 0000-0001-8577-9655
Ian EllisDivision of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospital NHS Trust, Nottingham, UK.ORCID 0000-0001-5292-8474
Andrew GreenDivision of Cancer and Stem Cells, School of Medicine, University of Nottingham and Nottingham University Hospital NHS Trust, Nottingham, UK.
Francine E Garrett-BakelmanDivision of Hematology and Medical Oncology, Weill Cornell Medicine, New York, NY, USA.ORCID 0000-0002-4771-628X
Chris MasonDepartment of Physiology and Biophysics, Weill Cornell Medicine, New York, NY, USA.ORCID 0000-0002-1850-1642
Ari MelnickDivision of Hematology and Medical Oncology, Weill Cornell Medicine, New York, NY, USA.ORCID 0000-0002-8074-2287
Samuel A J R AparicioDepartment of Molecular Oncology, British Columbia Cancer Research Centre, Vancouver, British Columbia, Canada.ORCID 0000-0002-0487-9599
Oscar M RuedaCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK.ORCID 0000-0003-0008-4884
Amos TanayDepartment of Computer Science and Applied Mathematics, and Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel. amos.tanay@weizmann.ac.il.ORCID 0000-0001-9419-3824
Carlos CaldasCancer Research UK Cambridge Institute, Li Ka Shing Centre, University of Cambridge, Cambridge, UK. Carlos.Caldas@cruk.cam.ac.uk.ORCID 0000-0003-3547-1489
University of Cambridge · GBCornell University · USNottingham University Hospitals NHS Trust · GBWeizmann Institute of Science · ILCambridge University Hospitals NHS Foundation Trust · GBGerman Cancer Research Center · DEKing's College London · GBResearch Institute in Oncology and Hematology · CAThe Francis Crick Institute · GB

Funding

Cancer Research UK 16942Cancer Research UK 25815Cancer Research UK 29567Medical Research Council MC_UU_00002/16Medical Research Council MR/P012442/1Wellcome Trust
6 · The paper itself

Abstract

DNA methylation is aberrant in cancer, but the dynamics, regulatory role and clinical implications of such epigenetic changes are still poorly understood. Here, reduced representation bisulfite sequencing (RRBS) profiles of 1538 breast tumors and 244 normal breast tissues from the METABRIC cohort are reported, facilitating detailed analysis of DNA methylation within a rich context of genomic, transcriptional, and clinical data. Tumor methylation from immune and stromal signatures are deconvoluted leading to the discovery of a tumor replication-linked clock with genome-wide methylation loss in non-CpG island sites. Unexpectedly, methylation in most tumor CpG islands follows two replication-independent processes of gain (MG) or loss (ML) that we term epigenomic instability. Epigenomic instability is correlated with tumor grade and stage, TP53 mutations and poorer prognosis. After controlling for these global trans-acting trends, as well as for X-linked dosage compensation effects, cis-specific methylation and expression correlations are uncovered at hundreds of promoters and over a thousand distal elements. Some of these targeted known tumor suppressors and oncogenes. In conclusion, this study demonstrates that global epigenetic instability can erode cancer methylomes and expose them to localized methylation aberrations in-cis resulting in transcriptional changes seen in tumors.

Indexed as

DNA MethylationEpigenesis, GeneticGene Expression Regulation, NeoplasticBreast NeoplasmsCohort StudiesCpG IslandsDNA ReplicationEpigenomicsFemaleGenome, HumanGenomic InstabilityGenomicsHumansMCF-7 CellsMutationPromoter Regions, Genetic

Identifiers

PMID34518533
PMCPMC8437946
OpenAlexW3199647353

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.