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Overview
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Background
Trametinib (also known as GSK1120212 or JTP 74057), originally identified as a p15 inductive compound, is a novel and potent allosteric inhibitor of MEK kinase, which exhibits ATP non-competitive inhibition against MEK1 and MEK2 kinase. It has demonstrated broad antitumor activities in a variety of tumor xgenograft models, including HT-29 and COLO205 colorectal tumor cell lines. Trametinib induces expression of p15 and p27, reduces cyclin D1 levels, and causes dephosphorylation of RB protein and G1-phase arrest with a reduction of TS expression in HT-29 cells. It also effectively inhibits p-ERK 1/2 resulting in cell growth inhibition in tumor cell lines harboring B-RAF mutant.
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- Properties
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Overview