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RNA Binding Protein/RNA Element Interactions and the Control of Translation

[ Vol. 13 , Issue. 4 ]


Xavier Pichon, Lindsay A. Wilson, Mark Stoneley, Amandine Bastide, Helen A King, Joanna Somers and Anne E Willis   Pages 294 - 304 ( 11 )


A growing body of work demonstrates the importance of post-transcriptional control, in particular translation initiation, in the overall regulation of gene expression. Here we focus on the contribution of regulatory elements within the 5’ and 3’ untranslated regions of mRNA to gene expression in eukaryotic cells including terminal oligopyrimidine tracts, internal ribosome entry segments, upstream open reading frames and cytoplasmic polyadenylation elements. These mRNA regulatory elements may adopt complex secondary structures and/or contain sequence motifs that allow their interaction with a variety of regulatory proteins, RNAs and RNA binding proteins, particularly hnRNPs. The resulting interactions are context-sensitive, and provide cells with a sensitive and fast response to cellular signals such as hormone exposure or cytotoxic stress. Importantly, an increasing number of diseases have been identified, particularly cancers and those associated with neurodegeneration, which originate either from mutation of these regulatory motifs, or from deregulation of their cognate binding partners.


Translation, 5’ untranslated region, IRES, uORF, TOP, polyA tail, 4EBPs, Anne E Willis, UTRs, OLIGOPYRIMIDINE.


Medical Research Council Toxicology Unit, Lancaster Rd, Leicester LE1 9HN UK.

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