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- W2044778854 abstract "The MAPKKK8 Cot/tpl-2, identified as an oncogene (Cot-T), participates in the intracellular signaling activated by members of the TLR and TNFα receptor superfamilies. Here we demonstrate that Cot promotes cell migration by regulating different steps involved in this process, such as cell adhesion and metalloproteinase activity. Indeed, Cot also regulates the cytoskeleton and Cot-T overexpression provokes the polarization of microtubules and the loss of stress fibers. Moreover, and in accordance with the increased Rac-GTP levels observed, Cot-T overexpressing cells develop more lamellipodia than control cells. Conversely, depletion of endogenous Cot increases the formation of stress fibers which is correlated with the high levels of Rho-GTP observed in these cells. In addition, the increase in COX2 expression and the activation of Erk1/2 regulated by Cot are essential for the induction of cell migration. Together, these data provide evidence of a new role for both proto-oncogenic and oncogenic Cot." @default.
- W2044778854 created "2016-06-24" @default.
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- W2044778854 date "2008-09-01" @default.
- W2044778854 modified "2023-10-18" @default.
- W2044778854 title "COX2 expression and Erk1/Erk2 activity mediate Cot-induced cell migration" @default.
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- W2044778854 doi "https://doi.org/10.1016/j.cellsig.2008.05.008" @default.
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