ArticleBlood2025
MECOM is a master repressor of myeloid differentiation through dose control of CEBPA in acute myeloid leukemia.
Article in Blood, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- MLL3 and MLL4 sustain hematopoietic stem cell multipotency by opposing a B-cell default state.Blood · 2026Article
- Inference of marker genes of subtle cell state changes via iLR: iterative logistic regression.Bioinformatics (Oxford, England) · 2026Article
- The oncogenic role of ecotropic viral integration site 1 in hematological malignancies: mechanisms of activation and leukemogenesis.Frontiers in immunology · 2026Review
- Review
- A stem cell differentiation model reveals two alternative fates in CBFA2T3::GLIS2-driven acute megakaryoblastic leukemia initiation.Communications biology · 2025Article
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19 authors.
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No grant is acknowledged in the PubMed record.
Abstract
abstractThe transcription factor MECOM, located at 3q26, is essential for hematopoietic stem cells in healthy individuals. Enhancer translocations, due to 3q26 rearrangements, drive out-of-context MECOM expression in one of the most aggressive subtypes of acute myeloid leukemia (AML). Aberrantly expressed MECOM is essential for the survival and immature phenotype of these leukemia cells. Direct depletion of MECOM using an endogenous auxin-inducible degron immediately upregulates expression of CEBPA, which encodes a transcription factor required for neutrophil development and is frequently mutated in other AML subtypes. MECOM depletion is accompanied by a severe loss of CD34 and gain of mature myeloid cell surface marker CD15. MECOM exerts its inhibitory effect on differentiation by binding to the +42-kilobase CEBPA enhancer. This is partially dependent on the interaction between MECOM and its corepressor CTBP2. We demonstrate that CEBPA overexpression can bypass the MECOM-mediated block of differentiation. In addition, patients with AML with MECOM overexpression through enhancer hijacking show significantly reduced CEBPA levels. Our study directly connects 2 major players in normal and malignant hematopoiesis, MECOM and CEBPA, and unveils how MECOM maintains self-renewal by repressing CEBPA-induced differentiation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.