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Nucleic Acids Res. 2011 May;39(9):3864-78. doi: 10.1093/nar/gkq1348. Epub 2011 Jan 18.

Large-scale prediction of long non-coding RNA functions in a coding-non-coding gene co-expression network.

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1
Bioinformatics Research Group, Key Laboratory of Intelligent Information Processing, Advanced Computing Research Laboratory, Institute of Computing Technology, Chinese Academy of Sciences, Beijing, PR China.

Abstract

Although accumulating evidence has provided insight into the various functions of long-non-coding RNAs (lncRNAs), the exact functions of the majority of such transcripts are still unknown. Here, we report the first computational annotation of lncRNA functions based on public microarray expression profiles. A coding-non-coding gene co-expression (CNC) network was constructed from re-annotated Affymetrix Mouse Genome Array data. Probable functions for altogether 340 lncRNAs were predicted based on topological or other network characteristics, such as module sharing, association with network hubs and combinations of co-expression and genomic adjacency. The functions annotated to the lncRNAs mainly involve organ or tissue development (e.g. neuron, eye and muscle development), cellular transport (e.g. neuronal transport and sodium ion, acid or lipid transport) or metabolic processes (e.g. involving macromolecules, phosphocreatine and tyrosine).

PMID:
21247874
PMCID:
PMC3089475
DOI:
10.1093/nar/gkq1348
[Indexed for MEDLINE]
Free PMC Article
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