N-Myc regulates a widespread euchromatic program in the human genome partially independent of its role as a classical transcription factor

Rebecca Cotterman, Victor X. Jin, Sheryl R. Krig, Jessica M. Lemen, Alice Wey, Peggy J. Farnham, Paul S Knoepfler

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

Myc proteins have long been modeled to operate strictly as classic gene-specific transcription factors; however, we find that N-Myc has a robust role in the human genome in regulating global cellular euchromatin, including that of intergenic regions. Strikingly, 90% to 95% of the total genomic euchromatic marks histone H3 acetylated at lysine 9 and methylated at lysine 4 is N-Myc-dependent. However, Myc regulation of transcription, even of genes it directly binds and at which it is required for the maintenance of active chromatin, is generally weak. Thus, Myc has a much more potent ability to regulate large domains of euchromatin than to influence the transcription of individual genes. Overall, Myc regulation of chromatin in the human genome includes both specific genes, but also expansive genomic domains that invoke functions independent of a classic transcription factor. These findings support a new dual model for Myc chromatin function with important implications for the role of Myc in cancer and stem cell biology, including that of induced pluripotent stem cells.

Original languageEnglish (US)
Pages (from-to)9654-9662
Number of pages9
JournalCancer Research
Volume68
Issue number23
DOIs
StatePublished - Dec 1 2008

Fingerprint

Human Genome
Transcription Factors
Euchromatin
Chromatin
Genes
Lysine
Induced Pluripotent Stem Cells
Intergenic DNA
Neoplastic Stem Cells
Histones
Cell Biology
Maintenance
Proteins

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

N-Myc regulates a widespread euchromatic program in the human genome partially independent of its role as a classical transcription factor. / Cotterman, Rebecca; Jin, Victor X.; Krig, Sheryl R.; Lemen, Jessica M.; Wey, Alice; Farnham, Peggy J.; Knoepfler, Paul S.

In: Cancer Research, Vol. 68, No. 23, 01.12.2008, p. 9654-9662.

Research output: Contribution to journalArticle

Cotterman, Rebecca ; Jin, Victor X. ; Krig, Sheryl R. ; Lemen, Jessica M. ; Wey, Alice ; Farnham, Peggy J. ; Knoepfler, Paul S. / N-Myc regulates a widespread euchromatic program in the human genome partially independent of its role as a classical transcription factor. In: Cancer Research. 2008 ; Vol. 68, No. 23. pp. 9654-9662.
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