Title : Post-transcriptional regulation of MEK-1 by polyamines through the RNA-binding protein HuR modulating intestinal epithelial apoptosis.

Pub. Date : 2010 Feb 24

PMID : 20001965






6 Functional Relationships(s)
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1 Post-transcriptional regulation of MEK-1 by polyamines through the RNA-binding protein HuR modulating intestinal epithelial apoptosis. Polyamines ELAV like RNA binding protein 1 Homo sapiens
2 In the present paper, we report that cellular polyamines regulate MEK-1 expression at the post-transcriptional level through the RNA-binding protein HuR (Hu-antigen R) in IECs (intestinal epithelial cells). Polyamines ELAV like RNA binding protein 1 Homo sapiens
3 In the present paper, we report that cellular polyamines regulate MEK-1 expression at the post-transcriptional level through the RNA-binding protein HuR (Hu-antigen R) in IECs (intestinal epithelial cells). Polyamines ELAV like RNA binding protein 1 Homo sapiens
4 HuR silencing rendered the MEK-1 mRNA unstable and inhibited its translation, thus preventing increases in MEK-1 mRNA and protein in polyamine-deficient cells. Polyamines ELAV like RNA binding protein 1 Homo sapiens
5 Inhibition of MEK-1 expression by MEK-1 silencing or HuR silencing prevented the increased resistance of polyamine-deficient cells to apoptosis. Polyamines ELAV like RNA binding protein 1 Homo sapiens
6 These results indicate that polyamines destabilize the MEK-1 mRNA and repress its translation by inhibiting the association between HuR and the MEK-1 transcript. Polyamines ELAV like RNA binding protein 1 Homo sapiens