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Mnt: master regulator of the Max network.
Umeå University, Faculty of Science and Technology, Molecular Biology (Faculty of Science and Technology).
2004 (English)In: Cell Cycle, ISSN 1538-4101, Vol. 3, no 5, 588-90 p.Article in journal (Refereed) Published
Abstract [en]

Recent findings indicate that we should rethink how Myc oncoproteins transactivate their target genes. It appears that Mnt, a transcription factor that mediates transrepression at Myc's E-boxes, plays a crucial role in keeping the cell cycle in check. By removing Mnt, either via conventional knockout techniques or via RNA interference, cells become hyper-proliferative, susceptible to apoptosis and can be transformed by Ras--all hallmarks of Myc overexpression. These findings indicate that Myc's ability to function as an oncogene may rely, at least in part, on its ability to effectively antagonize Mnt's transrepression and tumor suppressor functions.

Place, publisher, year, edition, pages
2004. Vol. 3, no 5, 588-90 p.
Keyword [en]
Animals, Basic Helix-Loop-Helix Leucine Zipper Transcription Factors, Basic-Leucine Zipper Transcription Factors, DNA-Binding Proteins/genetics/*metabolism, Fibroblasts/cytology/metabolism, Gene Expression Regulation, Mice, Mice; Knockout, Proto-Oncogene Proteins c-myc/*metabolism, RNA Interference, Repressor Proteins/genetics/*metabolism, Transcription Factors/genetics/*metabolism
URN: urn:nbn:se:umu:diva-16708PubMedID: 15107624OAI: diva2:156381
Available from: 2007-10-09 Created: 2007-10-09 Last updated: 2011-01-12Bibliographically approved

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