Deregulated repression of c-Jun provides a potential link to its role in tumorigenesis

Carsten Weiss, Dirk Bohmann

Publikation: Beitrag in FachzeitschriftÜbersichtsartikelBegutachtung

1 Zitat (Scopus)

Abstract

The transcription factor c-Jun cooperates with oncogenic alleles of ras in malignant transformation. Constitutively active Ras causes, via activation of mitogen activated protein kinases, phosphorylation of c-Jun which is essential for subsequent target gene activation and tumorigenesis. Studying the mechanisms controlling c-Jun activity we found that its transcription activation function is actively repressed by a presumably multimeric repressor complex that includes histone deacetylase 3 as a critical subunit. Suppression of c-Jun is relieved by MAP kinase-mediated phosphorylation and/or titration of inhibitor components. The viral tumorigenic counterpart of c-Jun, v-Jun, escapes this inhibition, suggesting deregulated transcriptional activity of c-Jun as a relevant cause for carcinogenesis.

OriginalspracheEnglisch
Seiten (von - bis)109-111
Seitenumfang3
FachzeitschriftCell Cycle
Jahrgang3
Ausgabenummer2
DOIs
PublikationsstatusVeröffentlicht - Feb. 2004
Extern publiziertJa

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