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Synthèse d'inhibiteurs multivalents des anhydrases carboniques

Abstract : Carbonic anhydrases (CAs, EC. 4.2.1.1) are ubiquitous zinc metalloenzymes which catalyze the reversible hydration of CO2 with formation of bicarbonate and release of a proton. On the 13 active isoforms present in human, some of them are involved in pathological processes. CAs are known for more than 50 years as a therapeutic targets, and some inhibitors are currently in clinic or in (pre)clinical studies for the treatment of glaucoma, epilepsy and cancer. Nevertheless the lack of selectivity against the different isoforms responsible of side-effects requires the development of new strategies. The aim of this work is to develop a new way for CA inhibition by taking advantage of multivalent interaction to selectively and efficiently inhibit CA isoforms. Indeed, multivalent clusters represent an emerging class of compounds for enzymes inhibition. This strategy has been recently developed for CA inhibition and activation, some studies reporting improvements in inhibitory potency and selectivity. In this project, different platforms (peptides, polymers, silica nanoparticles) multifunctional were coated with sulfonamides as inhibitors of CA by bioconjugation. The inhibitory effect and specificity of the multivalency were studied isoforms CA.
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Nasreddine Kanfar. Synthèse d'inhibiteurs multivalents des anhydrases carboniques. Chimie organique. Université Montpellier, 2017. Français. ⟨NNT : 2017MONTT197⟩. ⟨tel-01871367⟩

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