{"id":11639,"date":"2024-04-17T11:21:32","date_gmt":"2024-04-17T11:21:32","guid":{"rendered":"https:\/\/dailyai.com\/?p=11639"},"modified":"2024-04-17T12:42:25","modified_gmt":"2024-04-17T12:42:25","slug":"scientists-accelerate-search-for-parkinsons-treatments-using-ai","status":"publish","type":"post","link":"https:\/\/dailyai.com\/fr\/2024\/04\/scientists-accelerate-search-for-parkinsons-treatments-using-ai\/","title":{"rendered":"Les scientifiques acc\u00e9l\u00e8rent la recherche de traitements contre la maladie de Parkinson gr\u00e2ce \u00e0 l'IA"},"content":{"rendered":"<p><b>Des chercheurs de l'universit\u00e9 de Cambridge ont exploit\u00e9 l'IA pour acc\u00e9l\u00e9rer consid\u00e9rablement la recherche de nouvelles th\u00e9rapies contre la maladie de Parkinson.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">En utilisant des techniques d'apprentissage automatique, ils ont pu passer au crible des millions de compos\u00e9s m\u00e9dicamenteux potentiels et identifier les candidats les plus prometteurs dix fois plus rapidement et 1000 fois plus \u00e9conomiquement que les m\u00e9thodes conventionnelles.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La maladie de Parkinson est une maladie neurod\u00e9g\u00e9n\u00e9rative complexe et progressive qui touche environ 6 millions de personnes dans le monde. Ce chiffre devrait tripler d'ici 2040. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Actuellement, aucun traitement ne permet de ralentir ou d'arr\u00eater de mani\u00e8re fiable la progression de la maladie.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Le processus traditionnel de s\u00e9lection de vastes chimioth\u00e8ques pour trouver des m\u00e9dicaments potentiels est extr\u00eamement lent, co\u00fbteux et souvent infructueux.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"L'une des voies de recherche de traitements potentiels de la maladie de Parkinson passe par l'identification de petites mol\u00e9cules capables d'inhiber l'agr\u00e9gation de l'alpha-synucl\u00e9ine, une prot\u00e9ine \u00e9troitement associ\u00e9e \u00e0 la maladie\", explique le professeur Michele Vendruscolo, chercheur principal de l'\u00e9tude. <\/span><a href=\"https:\/\/www.cam.ac.uk\/research\/news\/ai-speeds-up-drug-design-for-parkinsons-ten-fold\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">a d\u00e9clar\u00e9 \u00e0 l'universit\u00e9 de Cambridge.<\/span><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\"Mais c'est un processus qui prend \u00e9norm\u00e9ment de temps - le simple fait d'identifier un candidat principal pour des tests suppl\u00e9mentaires peut prendre des mois, voire des ann\u00e9es\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pour relever ce d\u00e9fi, M. Vendruscolo et son \u00e9quipe ont mis au point une approche d'apprentissage automatique en cinq \u00e9tapes. L'approche <\/span><a href=\"https:\/\/www.nature.com\/articles\/s41589-024-01580-x\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">\u00e9tude<\/span><\/a><span style=\"font-weight: 400;\"> a \u00e9t\u00e9 publi\u00e9 en <em>Nature Chemical Biology<\/em>.\u00a0<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Commencez par un petit ensemble de compos\u00e9s, identifi\u00e9s par des simulations, qui ont le potentiel de bloquer l'agglutination de la prot\u00e9ine alpha-synucl\u00e9ine, qui est la cause principale de la maladie de Parkinson. Testez ensuite leur efficacit\u00e9 de mani\u00e8re exp\u00e9rimentale.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Utiliser les r\u00e9sultats pour former un mod\u00e8le d'apprentissage automatique afin de pr\u00e9dire quelles structures et propri\u00e9t\u00e9s mol\u00e9culaires rendent un compos\u00e9 efficace pour pr\u00e9venir l'agr\u00e9gation des prot\u00e9ines.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e9ployer le mod\u00e8le form\u00e9 pour passer rapidement au crible une biblioth\u00e8que virtuelle contenant des millions de compos\u00e9s et pr\u00e9dire les candidats les plus puissants.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Valider exp\u00e9rimentalement les meilleurs candidats s\u00e9lectionn\u00e9s par l'IA en laboratoire. Introduire ces r\u00e9sultats dans le mod\u00e8le afin d'affiner ses capacit\u00e9s de pr\u00e9diction.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9p\u00e9tez ce cycle de pr\u00e9diction informatique et de test exp\u00e9rimental, le mod\u00e8le d'IA devenant de plus en plus intelligent \u00e0 chaque tour, en se concentrant sur les compos\u00e9s les plus puissants.<\/span><\/li>\n<\/ol>\n<figure id=\"attachment_11640\" aria-describedby=\"caption-attachment-11640\" style=\"width: 685px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11640 size-full\" src=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/04\/41589_2024_1580_Figa_HTML.webp\" alt=\"AI Parkinson\" width=\"685\" height=\"395\" srcset=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/04\/41589_2024_1580_Figa_HTML.webp 685w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/04\/41589_2024_1580_Figa_HTML-300x173.webp 300w, https:\/\/dailyai.com\/wp-content\/uploads\/2024\/04\/41589_2024_1580_Figa_HTML-60x35.webp 60w\" sizes=\"auto, (max-width: 685px) 100vw, 685px\" \/><figcaption id=\"caption-attachment-11640\" class=\"wp-caption-text\">Syst\u00e8me it\u00e9ratif de d\u00e9couverte de m\u00e9dicaments contre la maladie de Parkinson de l'Universit\u00e9 de Cambridge. Source : <a href=\"https:\/\/www.nature.com\/articles\/s41589-024-01580-x\">Nature Chemical Biology<\/a> (acc\u00e8s libre)<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Apr\u00e8s plusieurs it\u00e9rations, le taux d'optimisation - le pourcentage de compos\u00e9s test\u00e9s qui inhibent l'agglutination de l'alpha-synucl\u00e9ine associ\u00e9e \u00e0 la maladie de Parkinson - est pass\u00e9 de 4% \u00e0 plus de 20%.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">De plus, les compos\u00e9s d\u00e9couverts par l'IA \u00e9taient, en moyenne, beaucoup plus puissants que tous ceux qui avaient \u00e9t\u00e9 identifi\u00e9s auparavant. Certains ont montr\u00e9 une activit\u00e9 prometteuse \u00e0 des doses huit fois plus faibles. Ils \u00e9taient \u00e9galement plus diversifi\u00e9s sur le plan chimique, le mod\u00e8le ayant d\u00e9couvert des compos\u00e9s efficaces qui diff\u00e9raient des structures connues.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"L'apprentissage automatique a un impact r\u00e9el sur la d\u00e9couverte de m\u00e9dicaments - il acc\u00e9l\u00e8re l'ensemble du processus d'identification des candidats les plus prometteurs\", a d\u00e9clar\u00e9 M. Vendruscolo. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"En utilisant les connaissances acquises lors du premier criblage avec notre mod\u00e8le d'apprentissage automatique, nous avons pu entra\u00eener le mod\u00e8le \u00e0 identifier les r\u00e9gions sp\u00e9cifiques de ces petites mol\u00e9cules responsables de la liaison, ce qui nous permet de refaire un criblage et de trouver des mol\u00e9cules plus puissantes\".<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Pour nous, cela signifie que nous pouvons commencer \u00e0 travailler sur plusieurs programmes de d\u00e9couverte de m\u00e9dicaments - au lieu d'un seul. La r\u00e9duction massive des d\u00e9lais et des co\u00fbts nous permet d'envisager de nombreuses possibilit\u00e9s - c'est une p\u00e9riode passionnante.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Les chercheurs soulignent que ce n'est que le d\u00e9but de ce que les approches fond\u00e9es sur l'IA pourraient permettre dans la d\u00e9couverte de m\u00e9dicaments pour la maladie de Parkinson et d'autres maladies caract\u00e9ris\u00e9es par le mauvais pliage et l'agr\u00e9gation des prot\u00e9ines.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Le pouvoir pr\u00e9dictif de ces mod\u00e8les devrait encore s'am\u00e9liorer gr\u00e2ce \u00e0 un d\u00e9veloppement plus pouss\u00e9 et \u00e0 des ensembles de donn\u00e9es d'entra\u00eenement plus importants.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bien qu'il reste encore un long chemin \u00e0 parcourir pour transformer ces candidats identifi\u00e9s par l'IA en traitements approuv\u00e9s, cette \u00e9tude d\u00e9montre comment l'apprentissage automatique, intelligemment combin\u00e9 \u00e0 la biologie exp\u00e9rimentale, peut grandement acc\u00e9l\u00e9rer les premi\u00e8res \u00e9tapes de la d\u00e9couverte de m\u00e9dicaments.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ces travaux s'appuient sur un ensemble de recherches visant \u00e0 localiser de nouveaux traitements m\u00e9dicamenteux, notamment <\/span><a href=\"https:\/\/dailyai.com\/fr\/2023\/06\/researchers-build-breakthrough-ai-model-for-drug-discovery\/\"><span style=\"font-weight: 400;\">du MIT et de Tufts<\/span><\/a><span style=\"font-weight: 400;\">qui a r\u00e9cemment construit un mod\u00e8le capable de passer au crible quelque 100 millions de compos\u00e9s par jour. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Plusieurs <\/span><a href=\"https:\/\/dailyai.com\/fr\/2023\/05\/ai-helps-researchers-discover-a-new-antibiotic-for-treating-drug-resistant-bacteria\/\"><span style=\"font-weight: 400;\">mod\u00e8les de d\u00e9couverte d'antibiotiques<\/span><\/a><span style=\"font-weight: 400;\"> ont produit des compos\u00e9s exp\u00e9rimentaux, dont certains sont <a href=\"https:\/\/dailyai.com\/fr\/2023\/07\/first-ai-generated-drug-given-go-ahead-for-human-trials\/\">vers les essais cliniques<\/a>.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Autre <\/span><a href=\"https:\/\/dailyai.com\/fr\/2023\/08\/ai-eye-scan-yields-excellent-results-for-parkinsons-disease-early-detection\/\"><span style=\"font-weight: 400;\">projet de grande envergure<\/span><\/a><span style=\"font-weight: 400;\"> en collaboration avec le Moorfields Eye Hospital au Royaume-Uni, a utilis\u00e9 l'ann\u00e9e derni\u00e8re des scanners oculaires pour identifier les signes pr\u00e9coces de la maladie de Parkinson - une nouvelle m\u00e9thode rendue possible par l'IA.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Avec cette nouvelle \u00e9tude qui vise \u00e0 d\u00e9couvrir des traitements efficaces contre la maladie de Parkinson, les m\u00e9thodes d'IA sont extr\u00eamement prometteuses pour red\u00e9finir la m\u00e9decine et les soins de sant\u00e9.\u00a0<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Des chercheurs de l'universit\u00e9 de Cambridge ont exploit\u00e9 l'IA pour acc\u00e9l\u00e9rer consid\u00e9rablement la recherche de nouvelles th\u00e9rapies contre la maladie de Parkinson.  En utilisant des techniques d'apprentissage automatique, ils ont pu passer au crible des millions de compos\u00e9s m\u00e9dicamenteux potentiels et identifier les candidats les plus prometteurs dix fois plus vite et 1000 fois plus \u00e9conomiquement que les m\u00e9thodes conventionnelles. La maladie de Parkinson est une maladie neurod\u00e9g\u00e9n\u00e9rative complexe et progressive qui touche environ 6 millions de personnes dans le monde. Ce chiffre devrait tripler d'ici 2040. \u00c0 l'heure actuelle, aucun traitement ne permet de ralentir ou d'arr\u00eater de mani\u00e8re fiable la progression de la maladie.  Le processus traditionnel consistant \u00e0 passer au crible de vastes chimioth\u00e8ques pour trouver des m\u00e9dicaments potentiels est extr\u00eamement difficile \u00e0 mettre en \u0153uvre.<\/p>","protected":false},"author":2,"featured_media":11641,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[204,178],"class_list":["post-11639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-healthcare","tag-medicine"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Scientists accelerate the search for Parkinson&#039;s treatments using AI | DailyAI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/fr\/2024\/04\/scientists-accelerate-search-for-parkinsons-treatments-using-ai\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scientists accelerate the search for Parkinson&#039;s treatments using AI | DailyAI\" \/>\n<meta property=\"og:description\" content=\"Researchers at the University of Cambridge have harnessed AI to dramatically accelerate the search for new Parkinson&#8217;s disease therapies.\u00a0 By using machine learning techniques, they were able to screen millions of potential drug compounds and identify the most promising candidates ten times faster and 1000 times more cost-effectively than conventional methods. Parkinson&#8217;s disease is a complex, progressive neurodegenerative disease that afflicts approximately 6 million people worldwide. That figure is expected to triple by 2040. Currently, no treatments can reliably slow or halt the disease&#8217;s progression.\u00a0 The traditional process of screening vast chemical libraries to find potential drug candidates is extremely\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dailyai.com\/fr\/2024\/04\/scientists-accelerate-search-for-parkinsons-treatments-using-ai\/\" \/>\n<meta property=\"og:site_name\" content=\"DailyAI\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-17T11:21:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-17T12:42:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dailyai.com\/wp-content\/uploads\/2024\/04\/DALL\u00b7E-2024-04-17-12.16.35-A-modern-high-tech-laboratory-specifically-focused-on-Parkinsons-disease-research-but-without-any-people.-The-scene-includes-sleek-futuristic-devi.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1792\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Sam Jeans\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:site\" content=\"@DailyAIOfficial\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sam Jeans\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" 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