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High-throughput Screening for Chemical Modulators of Post-transcriptionally Regulated Genes
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Identification of new ETV6 modulators through a high-throughput functional screening
Benjamin Neveu1,2, Chantal Richer1, Pauline Cassart1
1Sainte-Justine University Health Center Research Center, Montreal, QC H3T 1C5, Canada.
Iscience
|February 24, 2022
Summary
Researchers identified key genes that regulate ETV6
Area of Science:
- Hematology
- Molecular Biology
- Cancer Research
Background:
- ETV6 transcriptional activity is crucial for blood cell development.
- ETV6 malfunction is linked to hematological malignancies, but its regulatory network is unclear.
Purpose of the Study:
- To identify genes that modulate ETV6's repressive transcriptional activity.
- To uncover novel regulators of ETV6 function in hematological malignancies.
Main Methods:
- Performed an unbiased genome-wide shRNA screen in pre-B acute lymphoblastic leukemia cells.
- Validated shRNAs that induced overexpression of ETV6 transcriptional target genes.
Main Results:
- Identified 13 shRNAs that successfully modulated ETV6 activity.
- Silencing of AKIRIN1, COMMD9, DYRK4, JUNB, and SRP72 abrogated ETV6's repressive activity.
Conclusions:
- Identified critical modulators of ETV6 function.
- These modulators may play a role in cellular transformation via the ETV6 transcriptional network.
