Article
Oncogenic KRAS sensitizes premalignant, but not malignant cells, to Noxa-dependent apoptosis through the activation of the MEK/ERK pathway.
Oncotarget - 10 May 2015
Conti Annalisa, Majorini Maria Teresa, Elliott Richard, Ashworth Alan, Lord Christopher J, Cancelliere Carlotta, Bardelli Alberto, Seneci Pierfausto, Walczak Henning, Delia Domenico, Lecis Daniele
Abstract excerpt
KRAS is mutated in about 20-25% of all human cancers and especially in pancreatic, lung and colorectal tumors. Oncogenic KRAS stimulates several pro-survival pathways, but it also triggers the trans-activation of pro-apoptotic genes. In our work, we show that G13D mutations of KRAS activate the MAPK pathway, and ERK2, but not ERK1, up-regulates Noxa basal levels. Accordingly, premalignant epithelial cells are...
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