Cited by 304Acute Myeloid Leukemia ResearchRetinoids in leukemia and cellular processesChromatin Remodeling and Cancer

Pharmacological targeting of the Wdr5-MLL interaction in C/EBPα N-terminal leukemia

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Grebien, Florian, Vedadi, Masoud, Getlik, Matthäus, Giambruno, Roberto, Grover, Amit, Avellino, Roberto, Skucha, Anna, Vittori, Sarah +23 more·2015·Nature Chemical Biology

Abstract

The CEBPA gene is mutated in 9% of patients with acute myeloid leukemia (AML). Selective expression of a short (30-kDa) CCAAT-enhancer binding protein-α (C/EBPα) translational isoform, termed p30, represents the most common type of CEBPA mutation in AML. The molecular mechanisms underlying p30-mediated transformation remain incompletely understood. We show that C/EBPα p30, but not the normal p42 isoform, preferentially interacts with Wdr5, a key component of SET/MLL (SET-domain/mixed-lineage leukemia) histone-methyltransferase complexes. Accordingly, p30-bound genomic regions were enriched for MLL-dependent H3K4me3 marks. The p30-dependent increase in self-renewal and inhibition of myeloid differentiation required Wdr5, as downregulation of the latter inhibited proliferation and restored differentiation in p30-dependent AML models. OICR-9429 is a new small-molecule antagonist of the Wdr5-MLL interaction. This compound selectively inhibited proliferation and induced differentiation in p30-expressing human AML cells. Our data reveal the mechanism of p30-dependent transformation and establish the essential p30 cofactor Wdr5 as a therapeutic target in CEBPA-mutant AML.

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  • Potent and selective compounds target the central cavity of WDR5, a WDR DCAF E3 ligase.

    “Potent and selective compounds are also targeting the central cavity of WDR5, another WDR DCAF E3 ligase 71 .”

    From Targeted protein degradation: expanding the toolbox (2019) · cites this paper as [71]

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  1. [41]41. Otwinowski Z, Minor W, Carter Charles W. Macromol. Crystallogr. Part A. Vol. 276. Academic Press; 1997. pp. 307–326. J. B. T.-M. in E.

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Authors
Grebien, F., Vedadi, M., Getlik, M., Giambruno, R., Grover, A., Avellino, R., Skucha, A., Vittori, S., Kuznetsova, E., Smil, D., Barsyte-Lovejoy, D., Li, F., Poda, G., Schapira, M., Wu, H., Dong, A., Senisterra, G., Stukalov, A., Huber, K. V. M., Schönegger, A., Marcellus, R., Bilban, M., Bock, C., Brown, P. J., Zuber, J., Bennett, K. L., Al-awar, R., Delwel, R., Nerlov, C., Arrowsmith, C. H., & Superti-Furga, G.
Affiliations
  • Austrian Academy of Sciences (AT)
  • University of Toronto (CA)
  • Ontario Institute for Cancer Research (CA)
  • MRC Weatherall Institute of Molecular Medicine (GB)
  • Erasmus MC (NL)
  • Medical University of Vienna (AT)
  • Research Institute of Molecular Pathology (AT)
Corresponding author
  • Grebien, Florian
  • Arrowsmith, Cheryl H
Venue
Nature Chemical Biology
Published
2015-07-13
Volume
11
Issue
8
Pages
571-578
ISSN
  • 1552-4450 (ISSN-L)
  • 1552-4469
OpenAlex
W4294309410
Cited by
284
References
59
Citations by year
2026: 19 · 2025: 20 · 2024: 33 · 2023: 26 · 2022: 27 · 2021: 35 · 2020: 21 · 2019: 30 · 2018: 25 · 2017: 16 · 2016: 24 · 2015: 8
FWCI
20.44
Type
journal article
Language
en
Update notices
erratum (2015-09-17)
Open access
Locations
  • Nature Chemical Biology (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
  • RePub (Erasmus University Rotterdam) (submittedVersion, other-oa)
Funders
Wellcome Trust (106169, 092809/Z/10/Z)
Topics
  • Health Sciences › Medicine › Hematology › Acute Myeloid Leukemia Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Retinoids in leukemia and cellular processes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
WDR5, acute myeloid leukemia, CEBPA mutation, H3K4me3, myeloid differentiation, small molecule drug targets

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