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Series GSE193489 Query DataSets for GSE193489
Status Public on May 08, 2024
Title Super-silencer perturbation by EZH2 and REST inhibition leads to large loss of chromatin interactions and reduction in cancer growth
Organism Homo sapiens
Experiment type Expression profiling by high throughput sequencing
Genome binding/occupancy profiling by high throughput sequencing
Other
Summary Human silencers have been shown to regulate developmental gene expression. However, the functional importance of human silencers needs to be elucidated, such as whether they can form ‘super-silencers’ and whether they are linked to cancer progression. Here, we show two silencer components of the FGF18 gene can cooperate through compensatory chromatin interactions to form a super-silencer. Double knockout of two silencers exhibited synergistic upregulation of FGF18 expression and changes in cell identity. To perturb the super-silencers, we applied combinational treatment of an enhancer of zeste homolog 2 inhibitor GSK343, and a repressor element 1-silencing transcription factor inhibitor, X5050 (‘GR’). Interestingly, GR led to severe loss of topologically associated domains and loops, which were associated with reduced CTCF and TOP2A mRNA levels. Moreover, GR synergistically upregulated super-silencer-controlled genes related to cell cycle, apoptosis and DNA damage, leading to anticancer effects in vivo. Overall, our data demonstrated a super-silencer example and showed that GR can disrupt super-silencers, potentially leading to cancer ablation.
 
Overall design Refer to individual Series
Web link https://www.nature.com/articles/s41594-024-01391-7
 
Contributor(s) Zhang Y, Chen K, Tang S, Cai Y, Fullwood MJ
Citation(s) 39304765
Submission date Jan 11, 2022
Last update date Sep 24, 2024
Contact name KAIJING CHEN
E-mail(s) KAIJING001@e.ntu.edu.sg
Phone 98667053
Organization name Nanyang Technological University
Department school of biological science
Lab Melissa Fullwood
Street address 60 Nanyang Drive​​
City Singapore
ZIP/Postal code 637551
Country Singapore
 
Platforms (3)
GPL20301 Illumina HiSeq 4000 (Homo sapiens)
GPL20795 HiSeq X Ten (Homo sapiens)
GPL24676 Illumina NovaSeq 6000 (Homo sapiens)
Samples (101)
GSM5799884 DMSO rep1
GSM5799885 DMSO rep2
GSM5799886 GSK343 rep1
This SuperSeries is composed of the following SubSeries:
GSE193413 Super-silencer perturbation by EZH2 and REST inhibition leads to large loss of chromatin interactions and reduction in cancer growth [Hi-C]
GSE193481 Super-silencer perturbation by EZH2 and REST inhibition leads to large loss of chromatin interactions and reduction in cancer growth [ChIP-seq]
GSE193483 Super-silencer perturbation by EZH2 and REST inhibition leads to large loss of chromatin interactions and reduction in cancer growth [4C-seq]
Relations
BioProject PRJNA796342

Download family Format
SOFT formatted family file(s) SOFTHelp
MINiML formatted family file(s) MINiMLHelp
Series Matrix File(s) TXTHelp

Supplementary file Size Download File type/resource
GSE193489_RAW.tar 1.1 Gb (http)(custom) TAR (of BED, HIC, TAB, TSV, TXT)
SRA Run SelectorHelp

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