Extensive regulation of the non-coding transcriptome by hypoxia: role of HIF in releasing paused RNApol2.

Extensive regulation of the non-coding transcriptome by hypoxia: role of HIF in releasing paused RNApol2.
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DOI:
10.1002/embr.201337642
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发表时间:
2014-01
期刊:
影响因子:
7.7
通讯作者:
Mole, David R.
Mole, David R.
中科院分区:
生物学2区
文献类型:
--
作者:
Choudhry, Hani;Schoedel, Johannes;Oikonomopoulos, Spyros;Camps, Carme;Grampp, Steffen;Harris, Adrian L.;Ratcliffe, Peter J.;Ragoussis, Jiannis;Mole, David R.

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Hypoxia is central to both ischaemic and neoplastic diseases. However, the non-coding transcriptional response to hypoxia is largely uncharacterized. We undertook integrated genomic analyses of both non-coding and coding transcripts using massively parallel sequencing and interfaced this data with pan-genomic analyses of hypoxia-inducible factor (HIF) and RNApol2 binding in hypoxic cells. These analyses revealed that all classes of RNA are profoundly regulated by hypoxia and implicated HIF as a major direct regulator of both the non-coding and coding transcriptome, acting predominantly through release of pre-bound promoter-paused RNApol2. These findings indicate that the transcriptional response to hypoxia is substantially more extensive than previously considered.
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