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<dc:title xml:lang="fr">Exploration de la modulation allostérique du récepteur nicotinique de l'acétylcholine alpha 7 par des simulations de dynamique moléculaire</dc:title>
<dcterms:alternative xml:lang="en">Exploring the allosteric modulation of the nicotinic acetylcholine receptor alpha 7 by molecular dynamics simulations</dcterms:alternative>
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<dc:subject xml:lang="fr">Récepteur nicotinique de l'acétylcholine α7</dc:subject>
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<dc:subject xml:lang="fr">Désensibilisation</dc:subject>
<dc:subject xml:lang="fr">Modulation allostérique</dc:subject>
<dc:subject xml:lang="fr">Etudes Structurales</dc:subject>
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<dc:subject xml:lang="en">Neurotransmitter receptors</dc:subject>
<dc:subject xml:lang="en">Nicotinic Acetylcholine Receptor α7</dc:subject>
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<dc:subject xml:lang="en">Desensitization</dc:subject>
<dc:subject xml:lang="en">Allosteric Modulation</dc:subject>
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<dcterms:abstract xml:lang="fr">Le récepteur nicotinique α7 de l'acétylcholine (α7 nAChR), qui fait partie de la superfamille des récepteurs synaptiques -- canaux ioniques pentamériques ligand-guidés, joue un rôle crucial dans la transmission des signaux neuronaux et a un impact sur l'apprentissage, la mémoire et l'attention. Ce récepteur est impliqué dans une variété de maladies, y compris des troubles neurologiques et même le COVID-19, ce qui en fait une cible pharmacologique intéressante. Il est impératif d'acquérir une compréhension structurelle du fonctionnement du récepteur pour la découverte rationnelle de médicaments. Dans ce travail de thèse, nous appliquons des simulations de dynamique moléculaire pour explorer le α7 nAChR dans ses différents états conformationnels. Grâce à ces simulations, nous comprenons mieux le processus de désensibilisation dans ce type de récepteur. Ces connaissances nous éclairent sur le mécanisme d'action de divers modulateurs allostériques positifs de l' α7 nAChR</dcterms:abstract>
<dcterms:abstract xml:lang="en">The nicotinic acetylcholine receptor α7 (α7 nAChR), part of the pentameric Ligand-Gated Ion Channel(pLGIC) superfamily of synaptic receptors, plays a crucial role in neural signal transmission, impactinglearning, memory, and attention. This receptor is implicated in a variety of diseases includingneurological disorders and even COVID-19, which makes it an interesting pharmacological target. It is imperative for rational drug discovery to gain a structural understanding of the receptor's functioning. In this thesis work, we apply molecular dynamics simulations to explore α7 nAChR at its various conformational states. Through these simulations, we gain a better understanding of thedesensitization process in this type of receptor. This knowledge sheds light on the mechanism of action of various positive allosteric modulators of α7 nAChR.</dcterms:abstract>
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