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Article Dans Une Revue PLoS ONE Année : 2017

ERRα protein is stabilized by LSD1 in a demethylation-independent manner

Julie Carnesecchi
Catherine Cerutti
  • Fonction : Auteur
Jean-Marc Vanacker
  • Fonction : Auteur

Résumé

The LSD1 histone demethylase is highly expressed in breast tumors where it constitutes a factor of poor prognosis and promotes traits of cancer aggressiveness such as cell invasive-ness. Recent work has shown that the Estrogen-Related Receptor α (ERRα) induces LSD1 to demethylate the Lys 9 of histone H3. This results in the transcriptional activation of a number of common target genes, several of which being involved in cellular invasion. High expression of ERRα protein is also a factor of poor prognosis in breast tumors. Here we show that, independently of its demethylase activities, LSD1 protects ERRα from ubiquitina-tion, resulting in overexpression of the latter protein. Our data also suggests that the elevation of LSD1 mRNA and protein in breast cancer (as compared to normal tissue) may be a key event to increase ERRα protein, independently of its corresponding mRNA.
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Dates et versions

hal-02996733 , version 1 (09-11-2020)

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Julie Carnesecchi, Catherine Cerutti, Jean-Marc Vanacker, Christelle Forcet. ERRα protein is stabilized by LSD1 in a demethylation-independent manner. PLoS ONE, 2017, ⟨10.1371/journal.pone.0188871⟩. ⟨hal-02996733⟩
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