Identification of new aminoacid amides containing the imidazo[2,1-b]benzothiazol-2-ylphenyl moiety as inhibitors of tumorigenesis by oncogenic Met signaling

Abstract : The Met receptor tyrosine kinase is a promising target in anticancer therapies for its role during tumor evolution and resistance to treatment. It is characterized by an unusual structural plasticity as its active site accepts different inhibitor binding modes. Such feature can be exploited to identify distinct agents targeting tumor dependence and/or resistance by oncogenic Met. Here we report the identification of bioactive agents, featuring a new 4-(imidazo[2,1-b]benzothiazol-2-yl)phenyl moiety, targeting cancer cells dependent on oncogenic Met. One of these compounds (7c; Triflorcas) impairs survival, anchorageindependent growth, and in vivo tumorigenesis, without showing side effects. Our medicinal chemistry strategy was based on an in-house Met-focused library of aminoacid-amide derivatives enriched through structure-based computer modeling, taking into account the Met multiple-binding-mode feature. Altogether, our findings show how a rational structure-based drug design approach coupled to cell-based drug evaluation strategies can be applied in medicinal chemistry to identify new agents targeting a given oncogenic-dependency setting.
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European Journal of Medicinal Chemistry, Elsevier, 2012, 47, pp.239-254. 〈10.1016/j.ejmech.2011.10.051〉
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Soumis le : mardi 11 décembre 2012 - 16:16:43
Dernière modification le : mardi 28 août 2018 - 16:34:02

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Alessandro Furlan, Francesco Colombo, Andrea Kover, Nathalie Issaly, Cristina Tintori, et al.. Identification of new aminoacid amides containing the imidazo[2,1-b]benzothiazol-2-ylphenyl moiety as inhibitors of tumorigenesis by oncogenic Met signaling. European Journal of Medicinal Chemistry, Elsevier, 2012, 47, pp.239-254. 〈10.1016/j.ejmech.2011.10.051〉. 〈hal-00763849〉

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