A SIRT1-LSD1 corepressor complex regulates Notch target gene expression and development.
A SIRT1-LSD1 corepressor complex regulates Notch target gene expression and development.
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DOI:
10.1016/j.molcel.2011.04.020
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发表时间:
2011-06-10
期刊:
影响因子:
16
通讯作者:
Näär AM
中科院分区:
文献类型:
--
作者:
Mulligan P;Yang F;Di Stefano L;Ji JY;Ouyang J;Nishikawa JL;Toiber D;Kulkarni M;Wang Q;Najafi-Shoushtari SH;Mostoslavsky R;Gygi SP;Gill G;Dyson NJ;Näär AM
Epigenetic regulation of gene expression by histone-modifying co-repressor complexes is central to normal animal development. The NAD+-dependent deacetylase and gene repressor SIRT1 removes histone H4K16 acetylation marks and facilitates heterochromatin formation. However, the mechanistic contribution of SIRT1 to epigenetic regulation at euchromatic loci and whether it acts in concert with other chromatin-modifying activities to control developmental gene expression programs remain unclear. We describe here a SIRT1 co-repressor complex containing the histone H3K4 demethylase LSD1/KDM1A and several other LSD1-associated proteins. SIRT1 and LSD1 interact directly and play conserved and concerted roles in H4K16 deacetylation and H3K4 demethylation to repress genes regulated by the Notch signaling pathway. Mutations in Drosophila SIRT1 and LSD1 orthologs result in similar developmental phenotypes and genetically interact with the Notch pathway in Drosophila. These findings offer new insights into conserved mechanisms of epigenetic gene repression and regulation of development by SIRT1 in metazoans.
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DOI:
10.1073/pnas.0409875102
发表时间:
2005-02-08
影响因子:
11.1
作者:
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通讯作者:
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影响因子:
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DOI:
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发表时间:
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影响因子:
11.1
作者:
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通讯作者:
Frisch, SM
影响因子:
5.3
作者:
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通讯作者:
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影响因子:
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通讯作者:
van Steensel B