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	<title>Scientific Poster Archives - X-Chem</title>
	<atom:link href="https://www.x-chemrx.com/fr/portfolio_category/scientific-poster/feed/" rel="self" type="application/rss+xml" />
	<link>https://www.x-chemrx.com/fr/portfolio_category/scientific-poster/</link>
	<description>Prenez les devants. Favorisez la découverte.</description>
	<lastbuilddate>Fri, 10 Apr 2026 20:41:57 +0000</lastbuilddate>
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		<title>DNA-encoded chemical library screening for glue discovery for oncology targets</title>
		<link>https://www.x-chemrx.com/fr/projects/dna-encoded-chemical-library-screening-for-glue-discovery-for-oncology-targets/</link>
		
		<dc:creator><![CDATA[Lisa Yoder]]></dc:creator>
		<pubdate>Sun, 19 Apr 2026 00:12:38 +0000</pubdate>
				<guid ispermalink="false">https://www.x-chemrx.com/?post_type=avada_portfolio&#038;p=6259</guid>

					<description><![CDATA[<p>There is considerable interest in the discovery of novel molecular glues that induce proximity between oncology targets and their modulators. Induced proximity can be used to degrade proteins by a range of mechanisms, including ubiquitination and trafficking to the proteasome. DNA-Encoded Chemical Library screening can readily be adapted to the discovery of glues, and  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/dna-encoded-chemical-library-screening-for-glue-discovery-for-oncology-targets/">DNA-encoded chemical library screening for glue discovery for oncology targets</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-1"><p>There is considerable interest in the discovery of novel molecular glues that induce proximity between oncology targets and their modulators. Induced proximity can be used to degrade proteins by a range of mechanisms, including ubiquitination and trafficking to the proteasome. DNA-Encoded Chemical Library screening can readily be adapted to the discovery of glues, and we will describe case studies that exemplify how carefully designed screening campaigns with billions of encoded compounds can find rare examples of compounds able to induce proximity. Case studies will include a small molecule discovered in a DEL screen against ATAD2 that is able to inappropriately dimerize ATAD2 thereby reducing its ability to bind to acetylated histones and an activator of the integrated stress response pathway that only binds to the eIF2b complex, not its isolated components, thereby stabilizing it.</p>
</div></div></div><div class="fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_3 1_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div ><a class="fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-1 fusion-button-default-span fusion-button-default-type" target="_self" href="#" data-toggle="modal" data-target=".fusion-modal.hubspot"><span class="fusion-button-text awb-button__text awb-button__text--default">Télécharger l'affiche</span></a></div><div class="fusion-modal modal fade modal-1 hubspot" tabindex="-1" role="dialog" aria-labelledby="modal-heading-1" aria-hidden="true" style="--awb-border-color:var(--awb-color3);--awb-background:var(--awb-color1);"><div class="modal-dialog modal-lg" role="document"><div class="modal-content fusion-modal-content"><div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-hidden="true" aria-label="Fermer">×</button><h3 class="modal-title" id="modal-heading-1" data-dismiss="modal" aria-hidden="true">Your Content Goes Here</h3></div><div class="modal-body fusion-clearfix"><script charset="utf-8" type="text/javascript" src="//js.hsforms.net/forms/embed/v2.js"></script><br />
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</div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/dna-encoded-chemical-library-screening-for-glue-discovery-for-oncology-targets/">DNA-encoded chemical library screening for glue discovery for oncology targets</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>DEL-Chemomics Approach for the Discovery of Targeted Protein Degraders (TPDs) for Cancer Therapy</title>
		<link>https://www.x-chemrx.com/fr/projects/del-chemomics-approach-for-the-discovery-of-targeted-protein-degraders-tpds-for-cancer-therapy/</link>
		
		<dc:creator><![CDATA[Lisa Yoder]]></dc:creator>
		<pubdate>Sat, 18 Apr 2026 19:27:34 +0000</pubdate>
				<guid ispermalink="false">https://www.x-chemrx.com/?post_type=avada_portfolio&#038;p=6238</guid>

					<description><![CDATA[<p>DNA-encoded chemical library (DEL) technology has become a powerful tool for hit identification, enabling the efficient screening of large collections of encoded compounds with advantages over traditional high-throughput screening in terms of library size, cost, and resource efficiency. The high chemical diversity and encoding fidelity of DELs yields extensive data that can support computational  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/del-chemomics-approach-for-the-discovery-of-targeted-protein-degraders-tpds-for-cancer-therapy/">DEL-Chemomics Approach for the Discovery of Targeted Protein Degraders (TPDs) for Cancer Therapy</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-3"><p>La technologie des bibliothèques chimiques codées par l'ADN (DEL) est devenue un outil puissant pour l'identification des pistes, permettant le criblage efficace de grandes collections de composés codés, avec des avantages par rapport au criblage à haut débit traditionnel en termes de taille de bibliothèque, de coût et d'efficacité des ressources. La diversité chimique élevée et la fidélité de codage des DEL génèrent des données étendues qui peuvent supporter des approches computationnelles telles que l'apprentissage automatique (ML), la génération de pharmacophores 3D et la découverte basée sur la structure. Cette approche DEL-chémomique a été appliquée à la découverte de nouveaux ligands récepteurs de ligases E3, élargissant le répertoire des ligands E3 au-delà des CRBN et VHL traditionnels pour la dégradation des cibles médicamenteuses. Une étude de cas sur la découverte d'un ligand DCAF1 et son application dans les PROTACs ciblant WDR5 pour la dégradation sera présentée.</p>
</div></div></div><div class="fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_3 1_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div ><a class="fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-2 fusion-button-default-span fusion-button-default-type" target="_self" href="#" data-toggle="modal" data-target=".fusion-modal.hubspot"><span class="fusion-button-text awb-button__text awb-button__text--default">Télécharger l'affiche</span></a></div><div class="fusion-modal modal fade modal-2 hubspot" tabindex="-1" role="dialog" aria-labelledby="modal-heading-2" aria-hidden="true" style="--awb-border-color:var(--awb-color3);--awb-background:var(--awb-color1);"><div class="modal-dialog modal-lg" role="document"><div class="modal-content fusion-modal-content"><div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-hidden="true" aria-label="Fermer">×</button><h3 class="modal-title" id="modal-heading-2" data-dismiss="modal" aria-hidden="true">Veuillez remplir le formulaire ci-dessous</h3></div><div class="modal-body fusion-clearfix"><script charset="utf-8" type="text/javascript" src="//js.hsforms.net/forms/embed/v2.js"></script><br />
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</div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/del-chemomics-approach-for-the-discovery-of-targeted-protein-degraders-tpds-for-cancer-therapy/">DEL-Chemomics Approach for the Discovery of Targeted Protein Degraders (TPDs) for Cancer Therapy</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></content:encoded>
					
		
		
			</item>
		<item>
		<title>Compound Collection Digitization</title>
		<link>https://www.x-chemrx.com/fr/projects/compound-collection-digitization/</link>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Fri, 30 Jan 2026 19:20:16 +0000</pubdate>
				<guid ispermalink="false">https://www.x-chemrx.com/?post_type=avada_portfolio&#038;p=6199</guid>

					<description><![CDATA[<p>DNA-encoded library (DEL) screening with encoded combinatorial chemical synthesis has emerged as a powerful approach to discover novel ligands for targets of interest. Here, we describe a complementary “digitization” workflow that encodes pre-synthesized (non-combinatorial) compounds. In this approach, a bifunctional linker is photoactivated to generate a carbene that directly inserts into the putative ligand,  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/compound-collection-digitization/">Compound Collection Digitization</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-3 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-5"><p>Le criblage de bibliothèques codées par l'ADN (DEL) avec synthèse chimique combinatoire codée est apparu comme une approche puissante pour découvrir de nouveaux ligands pour des cibles d'intérêt. Nous décrivons ici un flux de travail complémentaire de “numérisation” qui encode des composés présynthétisés (non combinatoires). Dans cette approche, un linker bifonctionnel est photoactivé pour générer un carbène qui s'insère directement dans le ligand putatif, suivi d'une cycloaddition [3+2] pour conjuguer un code-barres ADN unique. Les composés marqués par l'ADN qui en résultent sont regroupés et criblés en parallèle contre des cibles protéiques, et les ligands actifs sont enrichis.</p>
</div></div></div><div class="fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_3 1_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div ><a class="fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-3 fusion-button-span-yes fusion-button-default-type" target="_self" href="#" data-toggle="modal" data-target=".fusion-modal.hubspot"><i class="fa-arrow-down fas awb-button__icon awb-button__icon--default button-icon-left" aria-hidden="true"></i><span class="fusion-button-text awb-button__text awb-button__text--default">Télécharger l'affiche</span></a></div><div class="fusion-modal modal fade modal-3 hubspot" tabindex="-1" role="dialog" aria-labelledby="modal-heading-3" aria-hidden="true" style="--awb-border-color:var(--awb-color3);--awb-background:var(--awb-color1);"><div class="modal-dialog modal-lg" role="document"><div class="modal-content fusion-modal-content"><div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-hidden="true" aria-label="Fermer">×</button><h3 class="modal-title" id="modal-heading-3" data-dismiss="modal" aria-hidden="true">Veuillez remplir le formulaire ci-dessous</h3></div><div class="modal-body fusion-clearfix">
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		<title>Exploration, Exploitation and Summarization: Leveraging Thompson Sampling, Deep Data Mining and Pharmacophore Modeling to Access the Wealth of DEL Data for Drug Design Acceleration</title>
		<link>https://www.x-chemrx.com/fr/projects/exploration-exploitation-and-summarization/</link>
					<comments>https://www.x-chemrx.com/fr/projects/exploration-exploitation-and-summarization/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Mon, 15 Sep 2025 15:15:08 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=5678</guid>

					<description><![CDATA[<p>DNA-encoded library (DEL) screening has historically been used to identify hits from libraries of hundreds of billions of diverse molecules. We have developed novel methods to access and leverage the DEL screens into actionable SAR. Thompson sampling is method that has been re-implemented in our hands to harvest DEL data, both positive and negative.  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/exploration-exploitation-and-summarization/">Exploration, Exploitation and Summarization: Leveraging Thompson Sampling, Deep Data Mining and Pharmacophore Modeling to Access the Wealth of DEL Data for Drug Design Acceleration</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-4 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-6"><p>Le criblage de bibliothèques codées par l'ADN (DEL) a toujours été utilisé pour identifier des résultats positifs à partir de bibliothèques contenant des centaines de milliards de molécules diverses. Nous avons mis au point de nouvelles méthodes pour accéder aux cribles DEL et les exploiter pour obtenir des données SAR exploitables. L'échantillonnage de Thompson est une méthode qui a été réimplémentée entre nos mains pour récolter les données DEL, qu'elles soient positives ou négatives. Nous avons également mis au point de nouvelles méthodes de pharmacophore qui résument les principales caractéristiques de milliers de composés DEL chimiquement et mécanistiquement apparentés afin de permettre leur utilisation plus large dans la conception de la chimie médicale. L'accès combiné aux deux méthodes produit des données qui facilitent non seulement l'identification des résultats, mais aussi des ensembles de données qui facilitent l'accélération rapide des efforts de chimie médicinale.</p>
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</script></div></div></div></div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/exploration-exploitation-and-summarization/">Exploration, Exploitation and Summarization: Leveraging Thompson Sampling, Deep Data Mining and Pharmacophore Modeling to Access the Wealth of DEL Data for Drug Design Acceleration</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></content:encoded>
					
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		<item>
		<title>Advancing Macrocyclic DNA-Encoded Libraries for Challenging Targets</title>
		<link>https://www.x-chemrx.com/fr/projects/advancing-macrocyclic-dna-encoded-libraries-for-challenging-targets/</link>
					<comments>https://www.x-chemrx.com/fr/projects/advancing-macrocyclic-dna-encoded-libraries-for-challenging-targets/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Mon, 15 Sep 2025 15:13:37 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=5674</guid>

					<description><![CDATA[<p>Macrocyclic DNA-encoded libraries (DELs) offer a powerful approach for discovering novel therapeutics, especially against challenging biological targets. Previously, we identified potent, selective macrocyclic inhibitors of Bcl-2 family proteins, optimized to low-nanomolar potency with favorable drug-like properties. Building on this success, our next-generation macrocyclic DEL features diverse ring sizes, rich stereochemistry, and proprietary chemistries, enabling  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/advancing-macrocyclic-dna-encoded-libraries-for-challenging-targets/">Advancing Macrocyclic DNA-Encoded Libraries for Challenging Targets</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-5 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-7"><p>Les bibliothèques macrocycliques codées pour l'ADN (DEL) constituent une approche puissante pour la découverte de nouvelles thérapies, en particulier contre des cibles biologiques difficiles. Précédemment, nous avons identifié des inhibiteurs macrocycliques puissants et sélectifs des protéines de la famille Bcl-2, optimisés pour une puissance faible en nanomolaires avec des propriétés favorables de type médicament. S'appuyant sur ce succès, notre DEL macrocyclique de nouvelle génération présente diverses tailles d'anneaux, une stéréochimie riche et des chimies propriétaires, permettant une exploration efficace de cibles complexes et accélérant le chemin vers des pistes de haute qualité.</p>
</div></div></div><div class="fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_3 1_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div ><a class="fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-5 fusion-button-span-yes fusion-button-default-type" target="_self" href="#" data-toggle="modal" data-target=".fusion-modal.hubspot"><i class="fa-arrow-down fas awb-button__icon awb-button__icon--default button-icon-left" aria-hidden="true"></i><span class="fusion-button-text awb-button__text awb-button__text--default">Télécharger l'affiche</span></a></div><div class="fusion-modal modal fade modal-5 hubspot" tabindex="-1" role="dialog" aria-labelledby="modal-heading-5" aria-hidden="true" style="--awb-border-color:var(--awb-color3);--awb-background:var(--awb-color1);"><div class="modal-dialog modal-lg" role="document"><div class="modal-content fusion-modal-content"><div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-hidden="true" aria-label="Fermer">×</button><h3 class="modal-title" id="modal-heading-5" data-dismiss="modal" aria-hidden="true">Veuillez remplir le formulaire ci-dessous</h3></div><div class="modal-body fusion-clearfix">
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		<title>Recent Trends, Limitations, and New Opportunities in Covalent Drug Discovery</title>
		<link>https://www.x-chemrx.com/fr/projects/recent-trends-limitations-and-new-opportunities-in-covalent-drug-discovery/</link>
					<comments>https://www.x-chemrx.com/fr/projects/recent-trends-limitations-and-new-opportunities-in-covalent-drug-discovery/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Mon, 11 Aug 2025 20:34:35 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=5357</guid>

					<description><![CDATA[<p>Covalent drug discovery has reshaped pharma, expanding targetable residues and warhead diversity. While GSH half-life remains key for intrinsic reactivity, consensus on optimal reactivity and potency metrics is lacking. This evolving field brings new warheads, mechanisms, and kinetics. This poster highlights novel kinetic parameters for GSH reactivity and X-Chem’s approach to de-risk covalent leads  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/recent-trends-limitations-and-new-opportunities-in-covalent-drug-discovery/">Recent Trends, Limitations, and New Opportunities in Covalent Drug Discovery</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-6 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-8"><p>La découverte de médicaments covalents a remodelé l'industrie pharmaceutique, en augmentant le nombre de résidus ciblés et la diversité des ogives. Si la demi-vie du GSH reste essentielle pour la réactivité intrinsèque, il n'existe pas de consensus sur les mesures optimales de réactivité et de puissance. Ce domaine en évolution apporte de nouvelles ogives, de nouveaux mécanismes et de nouvelles cinétiques. Ce poster met en évidence de nouveaux paramètres cinétiques pour la réactivité du GSH et l'approche de X-Chem pour dé-risquer les pistes covalentes en mesurant les potentiels de liaison et de réduction des phospholipides et de l'albumine.</p>
</div></div></div><div class="fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_3 1_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div ><a class="fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-6 fusion-button-span-yes fusion-button-default-type" target="_self" href="#" data-toggle="modal" data-target=".fusion-modal.hubspot"><i class="fa-arrow-down fas awb-button__icon awb-button__icon--default button-icon-left" aria-hidden="true"></i><span class="fusion-button-text awb-button__text awb-button__text--default">Télécharger l'affiche</span></a></div><div class="fusion-modal modal fade modal-6 hubspot" tabindex="-1" role="dialog" aria-labelledby="modal-heading-6" aria-hidden="true" style="--awb-border-color:var(--awb-color3);--awb-background:var(--awb-color1);"><div class="modal-dialog modal-lg" role="document"><div class="modal-content fusion-modal-content"><div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-hidden="true" aria-label="Fermer">×</button><h3 class="modal-title" id="modal-heading-6" data-dismiss="modal" aria-hidden="true">Veuillez remplir le formulaire ci-dessous</h3></div><div class="modal-body fusion-clearfix">

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</div></div></div></div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/recent-trends-limitations-and-new-opportunities-in-covalent-drug-discovery/">Recent Trends, Limitations, and New Opportunities in Covalent Drug Discovery</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
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		<title>Discovery of highly selective ligands for the Bcl-2 family of proteins using DNA-Encoded Chemical Libraries</title>
		<link>https://www.x-chemrx.com/fr/projects/discovery-of-highly-selective-ligands-for-the-bcl-2-family-of-proteins-using-dna-encoded-chemical-libraries/</link>
					<comments>https://www.x-chemrx.com/fr/projects/discovery-of-highly-selective-ligands-for-the-bcl-2-family-of-proteins-using-dna-encoded-chemical-libraries/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Wed, 23 Apr 2025 18:29:17 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=3522</guid>

					<description><![CDATA[<p>DNA-encoded chemical library (DEL) technology enables the efficient screening of large collections of encoded compounds and has emerged as a powerful tool for hit identification. De Novo design and synthesis of non-traditional encoded libraries such as a reversible covalent compound library and beyond Lipinski’s rule of five (bRo5) macrocyclic (MC) libraries have significantly expanded  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/discovery-of-highly-selective-ligands-for-the-bcl-2-family-of-proteins-using-dna-encoded-chemical-libraries/">Discovery of highly selective ligands for the Bcl-2 family of proteins using DNA-Encoded Chemical Libraries</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-7 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-9"><p>La technologie des bibliothèques chimiques codées dans l'ADN (DEL) permet le criblage efficace de vastes collections de composés codés et s'est imposée comme un outil puissant pour l'identification des résultats. La conception et la synthèse de novo de bibliothèques codées non traditionnelles, telles qu'une bibliothèque de composés covalents réversibles et des bibliothèques macrocycliques (MC) au-delà de la règle des cinq de Lipinski (bRo5), ont considérablement élargi l'espace chimique disponible pour le criblage DEL, et améliorent encore la faisabilité de la découverte de ligands hautement sélectifs pour des cibles oncologiques difficiles. Nous présenterons des exemples de découverte de ligands par affinité ciblant les interactions protéine-protéine au sein de la famille des protéines Bcl-2, en nous concentrant spécifiquement sur MCL1 et BFL1. Nous soulignons la stratégie de sélection multiplexée des DEL employée et élucidons les détails moléculaires concernant le caractère unique des interactions entre les ligands.</p>
</div></div></div><div class="fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_3 1_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-spacing-right-large:5.76%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:5.76%;--awb-width-medium:33.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:5.76%;--awb-spacing-left-medium:5.76%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div ><a class="fusion-button button-flat fusion-button-default-size button-default fusion-button-default button-7 fusion-button-span-yes fusion-button-default-type" target="_self" href="#" data-toggle="modal" data-target=".fusion-modal.hubspot"><i class="fa-arrow-down fas awb-button__icon awb-button__icon--default button-icon-left" aria-hidden="true"></i><span class="fusion-button-text awb-button__text awb-button__text--default">Télécharger l'affiche</span></a></div><div class="fusion-modal modal fade modal-7 hubspot" tabindex="-1" role="dialog" aria-labelledby="modal-heading-7" aria-hidden="true" style="--awb-border-color:var(--awb-color3);--awb-background:var(--awb-color1);"><div class="modal-dialog modal-lg" role="document"><div class="modal-content fusion-modal-content"><div class="modal-header"><button class="close" type="button" data-dismiss="modal" aria-hidden="true" aria-label="Fermer">×</button><h3 class="modal-title" id="modal-heading-7" data-dismiss="modal" aria-hidden="true">Veuillez remplir le formulaire ci-dessous</h3></div><div class="modal-body fusion-clearfix">

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		<title>DEL Screening and ML for Hit ID for the WD40-Repeat Oncology Targets DCAF1, WDR5 and WDR12</title>
		<link>https://www.x-chemrx.com/fr/projects/del-screening-and-ml-for-hit-id-for-the-wd40-repeat-oncology-targets-dcaf1-wdr5-and-wdr12/</link>
					<comments>https://www.x-chemrx.com/fr/projects/del-screening-and-ml-for-hit-id-for-the-wd40-repeat-oncology-targets-dcaf1-wdr5-and-wdr12/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Wed, 23 Apr 2025 18:23:33 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=3515</guid>

					<description><![CDATA[<p>Training machine-learned models using DNA-Encoded Chemical Library screening data “DEL-ML” and using these models to rank compounds in virtual catalogs has been successful for hit identification for a range of individual oncology targets including ER alpha and c-KIT [McCloskey et al 2020]. Here we describe the importance of library quality and diversity, protein quality,  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/del-screening-and-ml-for-hit-id-for-the-wd40-repeat-oncology-targets-dcaf1-wdr5-and-wdr12/">DEL Screening and ML for Hit ID for the WD40-Repeat Oncology Targets DCAF1, WDR5 and WDR12</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-8 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-10"><p>La formation de modèles appris par la machine à l'aide des données de criblage de la bibliothèque chimique codée par l'ADN “DEL-ML” et l'utilisation de ces modèles pour classer les composés dans des catalogues virtuels ont été couronnées de succès pour l'identification de succès pour une série de cibles oncologiques individuelles, y compris ER alpha et c-KIT [McCloskey et al. 2020]. Nous décrivons ici l'importance de la qualité et de la diversité des bibliothèques, de la qualité des protéines, de la conception des cribles, du choix des profils appropriés, de la préparation et de l'évaluation des ensembles d'entraînement, du marquage de la promiscuité, des représentations chimiques, des algorithmes de modélisation et de leur mise au point dans le contexte d'une évaluation systématique basée sur les classes de cibles pour une série de cibles oncologiques, notamment DCAF1, WDR5 et WDR12. Cette approche a permis d'obtenir des ligands de type médicamenteux, premiers de leur classe, pour de multiples cibles qui ont été caractérisées à l'aide d'une série d'approches biophysiques, y compris la cristallographie aux rayons X.</p>
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</div></div></div></div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/del-screening-and-ml-for-hit-id-for-the-wd40-repeat-oncology-targets-dcaf1-wdr5-and-wdr12/">DEL Screening and ML for Hit ID for the WD40-Repeat Oncology Targets DCAF1, WDR5 and WDR12</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
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		<item>
		<title>Mirror-image RNA-targeted DEL Screens</title>
		<link>https://www.x-chemrx.com/fr/projects/mirror-image-rna-targeted-del-screens/</link>
					<comments>https://www.x-chemrx.com/fr/projects/mirror-image-rna-targeted-del-screens/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Tue, 15 Apr 2025 18:31:23 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=3524</guid>

					<description><![CDATA[<p>Discovering RNA-binding small molecules is a formidable challenge with immense therapeutic potential but few reported successes. Here we report the discovery of specific small molecule ligands for expansion repeat, splice site, and riboswitch targets via affinity-mediated selection of DNA-encoded libraries (DELs) against immobilized mirror-image RNA. In a model system, we demonstrate that the mirror-image  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/mirror-image-rna-targeted-del-screens/">Mirror-image RNA-targeted DEL Screens</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-9 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-11"><p>La découverte de petites molécules se liant à l'ARN est un défi formidable avec un immense potentiel thérapeutique mais peu de succès signalés. Nous rapportons ici la découverte de petites molécules ligands spécifiques pour des cibles de répétitions d'expansion, de sites d'épissage et de riboswitchs via la sélection par affinité de bibliothèques codées par l'ADN (DEL) contre de l'ARN immobilisé à l'image d'un miroir. Dans un système modèle, nous démontrons que la stratégie de l'image miroir élimine le faux enrichissement causé par l'hybridation ADN:ARN (un problème majeur dans les études DEL:ARN précédentes) et améliore l'enrichissement d'un ligand connu marqué par l'ADN, conformément à l'hypothèse sans précédent selon laquelle l'hybridation ADN:ARN ne se produit qu'entre les brins homochiraux. Pour trois cibles d'ARN importantes sur le plan thérapeutique, nous avons utilisé notre jeu de DEL contenant plus de 100 milliards de composés, découvert de nouvelles substances chimiques, synthétisé les versions miroirs des DEL et confirmé leur affinité pour la cible d'ARN naturelle dans des essais biophysiques orthogonaux. Notre méthode rend l'ARN aussi apte aux criblages DEL que d'autres classes de cibles et libère le débit inégalé de DEL pour la découverte de médicaments à base de petites molécules ciblées sur l'ARN.</p>
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</div></div></div></div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/mirror-image-rna-targeted-del-screens/">Mirror-image RNA-targeted DEL Screens</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
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		<title>Discovery of Covalent and Non-covalent Small Molecule Ligands for WDR91 by Applying Machine Learning and Computational Chemistry to DNA-Encoded Library Screening Data</title>
		<link>https://www.x-chemrx.com/fr/projects/discovery-of-covalent-and-non-covalent-small-molecule-ligands-for-wdr91-by-applying-machine-learning-and-computational-chemistry-to-dna-encoded-library-screening-data/</link>
					<comments>https://www.x-chemrx.com/fr/projects/discovery-of-covalent-and-non-covalent-small-molecule-ligands-for-wdr91-by-applying-machine-learning-and-computational-chemistry-to-dna-encoded-library-screening-data/#respond</comments>
		
		<dc:creator><![CDATA[AdminGG]]></dc:creator>
		<pubdate>Mon, 07 Oct 2024 20:23:24 +0000</pubdate>
				<guid ispermalink="false">https://ggdev9.com/?post_type=avada_portfolio&#038;p=3553</guid>

					<description><![CDATA[<p>X-Chem’s DNA-encoded libraries (DELs) contain hundreds of billions of molecules spanning diverse chemical space. When screened against biological targets, positive and negative structure-activity relationship (SAR) trends within this chemical space emerge, yielding rich datasets on which machine learning thrives. Here, we report the discovery of first-in-class ligands for WD40 repeat-containing protein 91 (WDR91) by  [...]</p>
<p>The post <a href="https://www.x-chemrx.com/fr/projects/discovery-of-covalent-and-non-covalent-small-molecule-ligands-for-wdr91-by-applying-machine-learning-and-computational-chemistry-to-dna-encoded-library-screening-data/">Discovery of Covalent and Non-covalent Small Molecule Ligands for WDR91 by Applying Machine Learning and Computational Chemistry to DNA-Encoded Library Screening Data</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
]]></description>
										<content:encoded><![CDATA[<div class="fusion-fullwidth fullwidth-box fusion-builder-row-10 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling" style="--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;" ><div class="fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap" style="max-width:1248px;margin-left: calc(-4% / 2 );margin-right: calc(-4% / 2 );"><div class="fusion-layout-column fusion_builder_column fusion-builder-column-18 fusion_builder_column_2_3 2_3 fusion-flex-column" style="--awb-bg-size:cover;--awb-width-large:66.666666666667%;--awb-spacing-right-large:2.88%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.88%;--awb-width-medium:66.666666666667%;--awb-order-medium:0;--awb-spacing-right-medium:2.88%;--awb-spacing-left-medium:2.88%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;"><div class="fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column"><div class="fusion-text fusion-text-12"><p>Les bibliothèques codées dans l'ADN (DEL) de X-Chem contiennent des centaines de milliards de molécules couvrant un espace chimique diversifié. Lorsqu'elles sont examinées par rapport à des cibles biologiques, des tendances positives et négatives en matière de relations structure-activité (RAS) émergent au sein de cet espace chimique, produisant de riches ensembles de données sur lesquels l'apprentissage automatique se développe. Nous rapportons ici la découverte de premiers ligands pour la protéine 91 contenant des répétitions WD40 (WDR91) en appliquant des modèles d'apprentissage automatique formés sur les données de criblage DEL de X-Chem à des catalogues de composés commerciaux accessibles synthétiquement. Les prédictions initiales ont abouti à la découverte d'un composé sélectif de la WDR91 avec un K<sub>D</sub> de 6±2 μM, l'expansion SAR basée sur l'apprentissage automatique des résultats primaires a permis d'identifier 11 composés supplémentaires avec un K<sub>D</sub> ≤ 25 μM et %R<sub>max</sub> &gt; 60%, et la conception de médicaments basée sur la structure (SBDD) a permis de découvrir 2 analogues covalents avec KD ≤ 45 μM et %R.<sub>max</sub> &gt; 50%, pour lesquels la formation d'adduits covalents a été confirmée par chromatographie liquide-spectrométrie de masse intacte.</p>
<p>Ce poster a été présenté lors du <a href="https://www.delsymposium.org/">12<sup>th</sup> Symposium international sur les chimiothèques encodées dans l'ADN</a></p>
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</div></div></div></div></div></div></div></div><p>The post <a href="https://www.x-chemrx.com/fr/projects/discovery-of-covalent-and-non-covalent-small-molecule-ligands-for-wdr91-by-applying-machine-learning-and-computational-chemistry-to-dna-encoded-library-screening-data/">Discovery of Covalent and Non-covalent Small Molecule Ligands for WDR91 by Applying Machine Learning and Computational Chemistry to DNA-Encoded Library Screening Data</a> appeared first on <a href="https://www.x-chemrx.com/fr">X-Chem</a>.</p>
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