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<dc:title xml:lang="fr">Chémoinformatique des chimiothèques à codage ADN : design, génération in silico, gestion, analyse, et comparaison</dc:title>
<dcterms:alternative xml:lang="en">Chemoinformatics of DNA-encoded libraries : design, in silico generation, management, analysis, and comparison</dcterms:alternative>
<dc:subject xml:lang="fr">Chimiothèques à codage ADN</dc:subject>
<dc:subject xml:lang="fr">Chimiothèques combinatoires</dc:subject>
<dc:subject xml:lang="fr">Comparaison de chimiothèques</dc:subject>
<dc:subject xml:lang="fr">GTM</dc:subject>
<dc:subject xml:lang="fr">Visualisation de l'espace chimique</dc:subject>
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<dc:subject xml:lang="fr">Apprentissage profond</dc:subject>
<dc:subject xml:lang="en">DNA-encoded libraries</dc:subject>
<dc:subject xml:lang="en">Combinatorial libraries</dc:subject>
<dc:subject xml:lang="en">Library comparison</dc:subject>
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<dcterms:abstract xml:lang="fr">Cette thèse est dédiée à la génération de l'espace virtuel de 2.5K chimiothèques codées par ADN et à leur analyse chémoinformatique détaillée par structures et propriétés. Des méthodologies basées sur GTM permettant de comparer rapidement et de sélectionner les chimiothèques DEL optimales parmi des milliers de possibilités en fonction de la similarité structurelle ou par propriétés par rapport à une base de données de référence ont été développées. Le problème de l'énumération combinatoire des composés a été abordé en développant un modèle d’apprentissage profond capable de prédire la position d'un composé sur la GTM en se basant uniquement sur les réactifs associés et les réactions, en évitant l'énumération. Des modèles permettant de prédire la réactivité des réactifs et l'activité biologique des composés DEL ont été créés. Ces derniers couplés à la visualisation GTM, ont permis de rationaliser et de faciliter la sélection des réactifs pour la synthèse DEL et la priorisation des hits.</dcterms:abstract>
<dcterms:abstract xml:lang="en">This thesis is dedicated to the generation of the virtual space of 2.5K DNA-encoded libraries and its detailed structural and property chemoinformatic analysis. GTM-based methodologies allowing to quickly compare and select optimal DELs out of thousands of possible ones based on the structural or property similarity to a reference database were developed. The problem of combinatorial compound enumeration was addressed by developing a highly performant deep learning model capable of predicting the position of a compound on the GTM based solely on its building blocks and reactions, skipping compound enumeration. Machine learning models allowing to predict the reactivity of building blocks and activity of DEL compounds were created. The latter coupled with GTM visualization, allowed to rationalize and facilitate the reagent selection for DEL synthesis and hit prioritization.</dcterms:abstract>
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