MYC-repressed long noncoding RNAs antagonize MYC-induced cell proliferation and cell cycle progression

  • Taewan Kim
  • , Ri Cui
  • , Young Jun Jeon
  • , Paolo Fadda
  • , Hansjuerg Alder
  • , Carlo M. Croce

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

The transcription factor MYC is a proto-oncogene regulating cell proliferation, cell cycle, apoptosis and metabolism. The recent identification of MYC-regulated long noncoding RNAs (lncRNAs) expands our knowledge of the role of lncRNAs in MYC functions. Here, we identify MYC-repressed lncRNAs named MYCLo-4, -5 and -6 by comparing 3 categories of lncRNAs (downregulated in highly MYC-expressing colorectal cancer, up-regulated by MYC knockdown in HCT116, upregulated by MYC knockdown in RKO). The MYC-repressed MYCLos are implicated in MYC-modulated cell proliferation through cell cycle regulation. By screening cell cycle-related genes regulated by MYC and the MYC-repressed MYCLos, we identified the MYC-repressed gene GADD45A as a target gene of the MYC-repressed MYCLos such as MYCLo-4 and MYCLo-6.

Original languageEnglish
Pages (from-to)18780-18789
Number of pages10
JournalOncotarget
Volume6
Issue number22
DOIs
StatePublished - 2015
Externally publishedYes

Keywords

  • Cell cycle
  • Cell proliferation
  • Long noncoding RNA
  • MYC

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