Old target new approach: an alternate NF-kappaB activation pathway via translation inhibition.

Old target new approach: an alternate NF-kappaB activation pathway via translation inhibition.
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DOI:
10.1007/s11010-009-0067-8
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发表时间:
2009-08
影响因子:
4.3
通讯作者:
Wu, Shiyong
Wu, Shiyong
中科院分区:
生物学3区
文献类型:
--
作者:
Laszlo, Csaba F.;Wu, Shiyong

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转录因子NF-κB的激活是一个高度调控的多层次过程。激活过程中的关键步骤是其抑制剂i - κ b的释放,与任何其他蛋白质一样,它受到翻译调控的直接影响。在这篇综述中,我们详细总结了目前对NF-κB活化的翻译调控影响的理解。我们阐述了eIF2α激酶介导的i -κB耗竭和随后的NF-κB激活的新机制。我们还发现,经典的NF-κB激活途径与抑制剂i -κB的翻译下调同时发生,并由其补充,其中一种或另一种的重要性根据应激剂或刺激的类型和强度而改变。
Activation of the transcription factor NF-κB is a highly regulated multi-level process. The critical step during activation is the release from its inhibitor IκB, which as any other protein is under the direct influence of translation regulation. In this review, we summarize in detail the current understanding of the impact of translational regulation on NF-κB activation. We illustrate a newly developed mechanism of eIF2α kinase-mediated IκB depletion and subsequent NF-κB activation. We also show that the classical NF-κB activation pathways occur simultaneously with, and are complemented by, translational down regulation of the inhibitor molecule IκB, the importance of one or the other being shifted in accordance with the type and magnitude of the stressing agent or stimuli.
DOI: 10.1016/0092-8674(88)90382-0
发表时间: 1988-04-22
期刊: CELL
影响因子: 64.5
作者:
BAEUERLE, PA;BALTIMORE, D
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