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Series GSE253605 Query DataSets for GSE253605
Status Public on Jan 25, 2024
Title 6 h FGF4 stimulation in Fgf4-mutant and Fgf4; Med12 double mutant mESCs [bulkRNA-seq]
Organism Mus musculus
Experiment type Expression profiling by high throughput sequencing
Summary Cell differentiation results from coordinated changes in gene transcription in response to combinations of signals. FGF, Wnt, and mTOR signals regulate the differentiation of pluripotent mammalian cells towards embryonic and extraembryonic lineages, but how these signals cooperate with general transcriptional regulators is not fully resolved. Here, we report a genome-wide CRISPR screen that reveals both signaling components and general transcriptional regulators for differentiation-associated gene expression in mESCs. Focusing on the Mediator subunit Med12 as one of the strongest hits in the screen, we show that it regulates gene expression in parallel to FGF and mTOR signals. Loss of Med12 is compatible with differentiation along both the embryonic epiblast and the extraembryonic primitive endoderm lineage, but pluripotency transitions are slowed down, and the transcriptional separation between epiblast and primitive endoderm identities is enhanced in Med12-mutant cells. These cellular phenotypes correlate with reduced biological noise upon loss of Med12. These findings suggest that Med12 regulates cellular plasticity through the priming of transcriptional changes during differentiation, thereby modulating the effects of a broad range of signals.
 
Overall design We generated Med12 mutations in an Fgf4-mutant ESC line, which allowed us to specifically compare the effects on gene expression of FGF signaling, induced by supplementation of FGF4, between Med12 wild-type and-mutant cells. We included three independent biological experiments and three independent Med12-mutant lines.
 
Contributor(s) Fernkorn M, Schröter C
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Submission date Jan 18, 2024
Last update date Jan 25, 2024
Contact name Max Fernkorn
E-mail(s) m.fernkorn@lacdr.leidenuniv.nl
Organization name University Leiden
Department Leiden Academic Centre for Drug Research (LACDR)
Lab Drukker
Street address Einsteinweg 55
City Leiden
ZIP/Postal code 2333 CC
Country Germany
 
Platforms (1)
GPL24247 Illumina NovaSeq 6000 (Mus musculus)
Samples (16)
GSM8024019 Fgf4 Med12 double mutant mESCs, unstimulated, clone 1, rep1
GSM8024020 Fgf4 Med12 double mutant mESCs, unstimulated, clone 1, rep2
GSM8024021 Fgf4 Med12 double mutant mESCs, unstimulated, clone 1, rep3
This SubSeries is part of SuperSeries:
GSE253609 Med12 cooperates with multiple differentiation signals to enhance embryonic stem cell plasticity
Relations
BioProject PRJNA1066348

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
GSE253605_All_Probes_Raw_Counts.txt.gz 2.0 Mb (ftp)(http) TXT
GSE253605_Probes_with_raw_count_50_log2_TPMs.txt.gz 2.8 Mb (ftp)(http) TXT
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Raw data are available in SRA
Processed data are available on Series record

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