Cited by 68Cancer-related Molecular PathwaysLymphoma Diagnosis and TreatmentGenomics and Chromatin Dynamics

Max deletion destabilizes MYC protein and abrogates Eµ- Myc lymphomagenesis

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Mathsyaraja, Haritha, Freie, Brian, Cheng, Pei-Feng, Babaeva, Ekaterina, Catchpole, Jonathen T., Janssens, Derek, Henikoff, Steven, Eisenman, Robert N.·2019·Genes & Development

Published version of a preprint

Abstract

Although MAX is regarded as an obligate dimerization partner for MYC, its function in normal development and neoplasia is poorly defined. We show that B-cell-specific deletion of Max has a modest effect on B-cell development but completely abrogates Eµ- Myc- driven lymphomagenesis. While Max loss affects only a few hundred genes in normal B cells, it leads to the global down-regulation of Myc -activated genes in premalignant Eµ- Myc cells. We show that the balance between MYC–MAX and MNT–MAX interactions in B cells shifts in premalignant B cells toward a MYC-driven transcriptional program. Moreover, we found that MAX loss leads to a significant reduction in MYC protein levels and down-regulation of direct transcriptional targets, including regulators of MYC stability. This phenomenon is also observed in multiple cell lines treated with MYC–MAX dimerization inhibitors. Our work uncovers a layer of Myc autoregulation critical for lymphomagenesis yet partly dispensable for normal development.

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Authors
Mathsyaraja, H., Freie, B., Cheng, P.-F., Babaeva, E., Catchpole, J. T., Janssens, D., Henikoff, S., & Eisenman, R. N.
Affiliations
Fred Hutch Cancer Center (US)
Venue
Genes & Development
Published
2019-08-08
Volume
33
Issue
17-18
Pages
1252-1264
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2967722042
Cited by
54
References
58
Citations by year
2026: 4 · 2025: 9 · 2024: 6 · 2023: 8 · 2022: 9 · 2021: 7 · 2020: 11
Type
posted content
Language
en
Open access
Licence
cc-by-nc
Locations
  • Genes & Development (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
  • HighWire Press Open Archive (submittedVersion)
Funders
National Institutes of Health/National Cancer Institute (RO1 CA057138, R35 CA 231989)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Lymphoma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
Max, c-Myc, MYC protein stability, B cell development, medical nutrition therapy, lymphoma
MeSH terms
Animals, Enzyme Inhibitors, Humans, Indoles, Kynurenine, Lymphoma, Organoids, Oximes, Sulfonamides, Gene Expression Regulation, Neoplastic, Proto-Oncogene Proteins c-myc, Gene Deletion, Active Transport, Cell Nucleus, Cell Line, Tumor, Basic-Leucine Zipper Transcription Factors, Mice, Carcinogenesis

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