期刊
GENES & DEVELOPMENT
卷 30, 期 20, 页码 2253-2258出版社
COLD SPRING HARBOR LAB PRESS, PUBLICATIONS DEPT
DOI: 10.1101/gad.287417.116
关键词
nuclear architecture; nucleoporin; nuclear pore complex; cell identity; superenhancer; transcription
资金
- Home Frontier Science Program fellowship
- National Institutes of Health [R01GM098749]
- National Institutes of Health Transformative Research Award [R01NS096786]
- Glenn Aging Foundation
- NOMIS Foundation
- Keck Foundation
- American Cancer Society Award [P30CA014195]
The organization of the genome in the three-dimensional space of the nucleus is coupled with cell type-specific gene expression. However, how nuclear architecture influences transcription that governs cell identity remains unknown. Here, we show that nuclear pore complex (NPC) components Nup93 and Nup153 bind superenhancers (SE), regulatory structures that drive the expression of key genes that specify cell identity. We found that nucleoporin-associated SEs localize preferentially to the nuclear periphery, and absence of Nup153 and Nup93 results in dramatic transcriptional changes of SE-associated genes. Our results reveal a crucial role of NPC components in the regulation of cell type-specifying genes and highlight nuclear architecture as a regulatory layer of genome functions in cell fate.
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