Glycolipides fluorescents et gouttelettes glycosylées

Abstract : Some pathogens or tumour cells escape the immune system because the immune cells misrecognize their surface peptides or proteins. Therapeutic approaches, promoting the recognition of these poorly immunogenic peptides or proteins are thus very attractive. The strategy is then to process directly peptides or proteins through cell presentating cells. To this end, some systems have been described, based on liposome or nanoparticles. We propose to use an oil droplet based system. Among the microparticles, vegetal oil microdroplets have numerous advantages over solid microparticles. Made of natural triglycerides, they are biocompatible and biodegradable. They are ideal platforms to build multifunctional assemblies for vectorization. In this project, we aim to design and address lipid (soya oil) droplet to dendritic cells via the lectin DC -sign. The first part deals of the synthesis of glycolipids necessary for the recognition by lectins. The second part presents the fabrication of functionalized oil droplets with previously synthesized glycolipids and their interaction with lectins.
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Pascal Matton. Glycolipides fluorescents et gouttelettes glycosylées. Chimie organique. PSL Research University, 2017. Français. ⟨NNT : 2017PSLEE037⟩. ⟨tel-02161481⟩

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