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Cited by 768

The DOI matches its Crossref record; 51 of the 51 references it cites were found in a registry or an index.

Pan-cancer analysis of the extent and consequences of intratumor heterogeneity

Open access
Andor, Noemi, Graham, Trevor A, Jansen, Marnix, Xia, Li C, Aktipis, C Athena, Petritsch, Claudia, Ji, Hanlee P, Maley, Carlo C·2016·Nature Medicine

Abstract

Intratumor heterogeneity (ITH) drives neoplastic progression and therapeutic resistance. We used the bioinformatics tools 'expanding ploidy and allele frequency on nested subpopulations' (EXPANDS) and PyClone to detect clones that are present at a ≥10% frequency in 1,165 exome sequences from tumors in The Cancer Genome Atlas. 86% of tumors across 12 cancer types had at least two clones. ITH in the morphology of nuclei was associated with genetic ITH (Spearman's correlation coefficient, ρ = 0.24–0.41; P < 0.001). Mutation of a driver gene that typically appears in smaller clones was a survival risk factor (hazard ratio (HR) = 2.15, 95% confidence interval (CI): 1.71–2.69). The risk of mortality also increased when >2 clones coexisted in the same tumor sample (HR = 1.49, 95% CI: 1.20–1.87). In two independent data sets, copy-number alterations affecting either <25% or >75% of a tumor's genome predicted reduced risk (HR = 0.15, 95% CI: 0.08–0.29). Mortality risk also declined when >4 clones coexisted in the sample, suggesting a trade-off between the costs and benefits of genomic instability. ITH and genomic instability thus have the potential to be useful measures that can universally be applied to all cancers.

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Crossref · 10.1038/nm.3984

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Metadata

Authors
Andor, N., Graham, T. A., Jansen, M., Xia, L. C., Aktipis, C. A., Petritsch, C., Ji, H. P., & Maley, C. C.
Venue
Nature Medicine
Published
2015-11-30
Volume
22
Issue
1
Pages
105-113
ISSN
  • 1078-8956 (ISSN-L)
  • 1546-170X
OpenAlex
W2182664595
Cited by
768
References
51
FWCI
20.51
Type
journal article
Language
en
Open access
green

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