Article
Hsp27 and F-box protein β-TrCP promote degradation of mRNA decay factor AUF1.
Molecular and cellular biology - 1 Jun 2013
Li Mei-Ling, Defren Jennifer, Brewer Gary
Abstract excerpt
Activation of the mitogen-activated protein (MAP) pathway kinases p38 and MK2 induces phosphorylation of the chaperone Hsp27 and stabilization of mRNAs containing AU-rich elements (AREs) (ARE-mRNAs). Likewise, expression of phosphomimetic mutant forms of Hsp27 also stabilizes ARE-mRNAs. It appears to perform this function by promoting degradation of the ARE-mRNA decay factor AUF1 by proteasomes. In this study, we...
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