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


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.

SUBMITTER: Kim T 

PROVIDER: S-EPMC4662455 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature

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

Kim Taewan T   Cui Ri R   Jeon Young-Jun YJ   Fadda Paolo P   Alder Hansjuerg H   Croce Carlo M CM  

Oncotarget 20150801 22


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 MY  ...[more]

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