FACT Sets a Barrier for Cell Fate Reprogramming in Caenorhabditis elegans and Human Cells.
FACT Sets a Barrier for Cell Fate Reprogramming in Caenorhabditis elegans and Human Cells.
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事实为秀丽隐杆线虫和人类细胞的细胞命运重编程设置了障碍。
DOI:
10.1016/j.devcel.2018.07.006
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发表时间:
2018-09-10
影响因子:
11.8
通讯作者:
Tursun B
中科院分区:
文献类型:
--
作者:
Kolundzic E;Ofenbauer A;Bulut SI;Uyar B;Baytek G;Sommermeier A;Seelk S;He M;Hirsekorn A;Vucicevic D;Akalin A;Diecke S;Lacadie SA;Tursun B
The chromatin regulator FACT (facilitates chromatin transcription) is essential for ensuring stable gene expression by promoting transcription. In a genetic screen using Caenorhabditis elegans, we identified that FACT maintains cell identities and acts as a barrier for transcription factor-mediated cell fate reprogramming. Strikingly, FACT’s role as a barrier to cell fate conversion is conserved in humans as we show that FACT depletion enhances reprogramming of fibroblasts. Such activity is unexpected because FACT is known as a positive regulator of gene expression, and previously described reprogramming barriers typically repress gene expression. While FACT depletion in human fibroblasts results in decreased expression of many genes, a number of FACT-occupied genes, including reprogramming-promoting factors, show increased expression upon FACT depletion, suggesting a repressive function of FACT. Our findings identify FACT as a cellular reprogramming barrier in C. elegans and humans, revealing an evolutionarily conserved mechanism for cell fate protection. Chromatin regulator FACT blocks cellular reprogramming in C. elegans and humans FACT maintains cell fates and antagonizes induction of ectopic fates in C. elegans FACT depletion in human cells primes the transcriptome for reprogramming Known barriers to cell fate reprogramming repress gene expression to prevent ectopic fates. Kolundzic et al. now show that the histone chaperone FACT, a positive regulator of gene expression, safeguards cell identities and acts as an evolutionarily conserved barrier for cell fate reprogramming in both C. elegans and human cells.
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DOI:
10.1016/j.tig.2015.11.001
发表时间:
2016-01
期刊:
Trends in genetics : TIG
影响因子:
--
作者:
Becker JS;Nicetto D;Zaret KS
通讯作者:
Zaret KS
DOI:
10.1038/nrg3473
发表时间:
2013-06
期刊:
Nature reviews. Genetics
影响因子:
--
作者:
通讯作者:
--
影响因子:
64.5
作者:
Dowen JM;Fan ZP;Hnisz D;Ren G;Abraham BJ;Zhang LN;Weintraub AS;Schujiers J;Lee TI;Zhao K;Young RA
通讯作者:
Young RA
影响因子:
64.5
作者:
CHONG, JHA;TAPIARAMIREZ, J;MANDEL, G
通讯作者:
MANDEL, G
影响因子:
--
作者:
Duina AA
通讯作者:
Duina AA