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Integrative genomic analyses reveal clinically relevant long noncoding RNAs in human cancer.


ABSTRACT: Despite growing appreciation of the importance of long noncoding RNAs (lncRNAs) in normal physiology and disease, our knowledge of cancer-related lncRNAs remains limited. By repurposing microarray probes, we constructed expression profiles of 10,207 lncRNA genes in approximately 1,300 tumors over four different cancer types. Through integrative analysis of the lncRNA expression profiles with clinical outcome and somatic copy-number alterations, we identified lncRNAs that are associated with cancer subtypes and clinical prognosis and predicted those that are potential drivers of cancer progression. We validated our predictions by experimentally confirming prostate cancer cell growth dependence on two newly identified lncRNAs. Our analysis provides a resource of clinically relevant lncRNAs for the development of lncRNA biomarkers and the identification of lncRNA therapeutic targets. It also demonstrates the power of integrating publically available genomic data sets and clinical information for discovering disease-associated lncRNAs.

SUBMITTER: Du Z 

PROVIDER: S-EPMC3702647 | biostudies-literature | 2013 Jul

REPOSITORIES: biostudies-literature

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Integrative genomic analyses reveal clinically relevant long noncoding RNAs in human cancer.

Du Zhou Z   Fei Teng T   Verhaak Roel G W RG   Su Zhen Z   Zhang Yong Y   Brown Myles M   Chen Yiwen Y   Liu X Shirley XS  

Nature structural & molecular biology 20130602 7


Despite growing appreciation of the importance of long noncoding RNAs (lncRNAs) in normal physiology and disease, our knowledge of cancer-related lncRNAs remains limited. By repurposing microarray probes, we constructed expression profiles of 10,207 lncRNA genes in approximately 1,300 tumors over four different cancer types. Through integrative analysis of the lncRNA expression profiles with clinical outcome and somatic copy-number alterations, we identified lncRNAs that are associated with canc  ...[more]

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