Abstract:
:Alternative splicing is a widespread process contributing to structural transcript variation and proteome diversity. In cancer, the splicing process is commonly disrupted, resulting in both functional and non-functional end-products. Cancer-specific splicing events are known to contribute to disease progression; however, the dysregulated splicing patterns found on a genome-wide scale have until recently been less well-studied. In this review, we provide an overview of aberrant RNA splicing and its regulation in cancer. We then focus on the executors of the splicing process. Based on a comprehensive catalog of splicing factor encoding genes and analyses of available gene expression and somatic mutation data, we identify cancer-associated patterns of dysregulation. Splicing factor genes are shown to be significantly differentially expressed between cancer and corresponding normal samples, and to have reduced inter-individual expression variation in cancer. Furthermore, we identify enrichment of predicted cancer-critical genes among the splicing factors. In addition to previously described oncogenic splicing factor genes, we propose 24 novel cancer-critical splicing factors predicted from somatic mutations.
journal_name
Oncogenejournal_title
Oncogeneauthors
Sveen A,Kilpinen S,Ruusulehto A,Lothe RA,Skotheim RIdoi
10.1038/onc.2015.318subject
Has Abstractpub_date
2016-05-12 00:00:00pages
2413-27issue
19eissn
0950-9232issn
1476-5594pii
onc2015318journal_volume
35pub_type
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