Related Experiment Video
Updated: Jun 30, 2025
09:16
Investigation of the Transcriptional Role of a RUNX1 Intronic Silencer by CRISPR/Cas9 Ribonucleoprotein in Acute Myeloid Leukemia Cells
Published on: September 1, 2019
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Translation efficiency driven by CNOT3 subunit of the CCR4-NOT complex promotes leukemogenesis.
Maryam Ghashghaei1,2, Yilin Liu2,3, James Ettles4,5
1Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, Canada.
Nature Communications
|March 16, 2024
Summary
CNOT3 regulates protein translation in acute myeloid leukemia (AML). Targeting CNOT3 and its downstream effects offers a new therapeutic strategy for AML patients.
Area of Science:
- Molecular Biology
- Cancer Research
- Hematology
Background:
- Protein synthesis deregulation is common in cancer.
- The specific regulators of translational control in leukemia are not well understood.
Purpose of the Study:
- To identify key regulators of translation in myeloid leukemia.
- To investigate the role of CNOT3 in acute myeloid leukemia (AML) pathogenesis.
Main Methods:
- Depletion of CNOT3 in leukemia cells.
- Transcriptomic and proteomic profiling.
- Analysis of mRNA features and protein-protein interactions.
Main Results:
- CNOT3 is elevated in AML and correlates with poor outcomes.
- CNOT3 depletion induces leukemia cell differentiation, apoptosis, and delays leukemogenesis.
- CNOT3 translationally regulates c-MYC and influences gene expression based on codon usage.
- CNOT3 interacts with ribosomal proteins and translation elongation factors.
Conclusions:
- Translation efficiency is crucial for tumorigenesis.
- CNOT3 is a critical modulator of translation in AML.
- Targeting CNOT3 represents a potential therapeutic vulnerability in AML.
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