title: Long noncoding RNAs and the genetics of cancer.
abstract: Cancer is a disease of aberrant gene expression. While the genetic causes of cancer have been intensively studied, it is becoming evident that a large proportion of cancer susceptibility cannot be attributed to variation in protein-coding sequences. This is highlighted by genome-wide association studies in cancer that reveal that more than 80% of cancer-associated SNPs occur in noncoding regions of the genome. In this review, we posit that a significant fraction of the genetic aetiology of cancer is exacted by noncoding regulatory sequences, particularly by long noncoding RNAs (lncRNAs). Recent studies indicate that several cancer risk loci are transcribed into lncRNAs and these transcripts play key roles in tumorigenesis. We discuss the epigenetic and other mechanisms through which lncRNAs function and how they contribute to each stage of cancer progression, understanding of which will be crucial for realising new opportunities in cancer diagnosis and treatment. Long noncoding RNAs play important roles in almost every aspect of cell biology from nuclear organisation and epigenetic regulation to post-transcriptional regulation and splicing, and we link these processes to the hallmarks and genetics of cancer. Finally, we highlight recent progress and future potential in the application of lncRNAs as therapeutic targets and diagnostic markers.
authors: University of Queensland Diamantina Institute, R-Wing, Princess Alexandra Hospital, Ipswich Road, Wolloongabba, QLD 4102, Australia.
authors: S W
authors: SW
authors: Cheetham
authors: F
authors: F
authors: Gruhl
authors: J S
authors: JS
authors: Mattick
authors: M E
authors: ME
authors: Dinger
mesh_terms: D000818:Animals; D014408:Biomarkers, Tumor / Q000235:genetics / Q000502:physiology; D002471:Cell Transformation, Neoplastic / Q000235:genetics; D044127:Epigenesis, Genetic / Q000502:physiology; D015972:Gene Expression Regulation, Neoplastic; D055106:Genome-Wide Association Study; D006801:Humans; D008954:Models, Biological; D009369:Neoplasms / Q000175:diagnosis / Q000235:genetics*; D011379:Prognosis; D062085:RNA, Long Noncoding / Q000235:genetics / Q000502:physiology*
chemical_list: D014408:Biomarkers, Tumor; D062085:RNA, Long Noncoding
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