Journal
CELL REPORTS
Volume 28, Issue 4, Pages 938-+Publisher
CELL PRESS
DOI: 10.1016/j.celrep.2019.06.067
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Funding
- NIH, National Cancer Institute
- NSF [1564785]
- Div Of Biological Infrastructure
- Direct For Biological Sciences [1564785] Funding Source: National Science Foundation
- NATIONAL CANCER INSTITUTE [ZIABC011802] Funding Source: NIH RePORTER
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The phenotypic effect of perturbing a gene's activity depends on the activity level of other genes, reflecting the notion that phenotypes are emergent properties of a network of functionally interacting genes. In the context of cancer, contemporary investigations have primarily focused on just one type of functional relationship between two genes-synthetic lethality (SL). Here, we define the more general concept of survival-associated pairwise gene expression states (SPAGEs) as gene pairs whose joint expression levels are associated with survival. We describe a data-driven approach called SPAGE-finder that when applied to The Cancer Genome Atlas (TCGA) data identified 71,946 SPAGEs spanning 12 distinct types, only a minority of which are SLs. The detected SPAGEs explain cancer driver genes' tissue specificity and differences in patients' response to drugs and stratify breast cancer tumors into refined subtypes. These results expand the scope of cancer SPAGEs and lay a conceptual basis for future studies of SPAGEs and their translational applications.
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