Control of RNA processing by a large non-coding RNA over-expressed in carcinomas.
Control of RNA processing by a large non-coding RNA over-expressed in carcinomas.
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DOI:
10.1016/j.febslet.2011.01.030
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发表时间:
2011-02-18
期刊:
影响因子:
3.5
通讯作者:
Edgington TS
中科院分区:
文献类型:
--
作者:
Lin R;Roychowdhury-Saha M;Black C;Watt AT;Marcusson EG;Freier SM;Edgington TS
RNA processing is vital for the high fidelity and diversity of eukaryotic transcriptomes and the encoded proteomes. However, control of RNA processing is not fully established. Σ RNA is a class of conserved large noncoding RNAs (murine Hepcarcin; human MALAT-1) up-regulated in carcinomas. Using antisense technology, we identified that RNA post-transcriptional modification is the most significant global function of Σ RNA. Specifically, processing of the pre-mRNAs of genes including Tissue Factor and Endoglin was altered by hydrolysis of Σ RNA/MALAT-1. These results support the hypothesis that Σ RNA/MALAT-1 is a regulatory molecule exerting roles in RNA post-transcriptional modification.
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