{"id":2774,"date":"2025-09-23T08:38:33","date_gmt":"2025-09-23T12:38:33","guid":{"rendered":"https:\/\/medicamentquebec.ca\/?p=2774"},"modified":"2025-11-12T13:17:59","modified_gmt":"2025-11-12T18:17:59","slug":"plateforme-de-nanoparticules-lipidiques-avec-systeme-de-fuite-des-endosomes-actifs-pour-vaccins-a-arn","status":"publish","type":"post","link":"https:\/\/medicamentquebec.ca\/index.php\/2025\/09\/23\/plateforme-de-nanoparticules-lipidiques-avec-systeme-de-fuite-des-endosomes-actifs-pour-vaccins-a-arn\/","title":{"rendered":"Plateforme de nanoparticules lipidiques avec syst\u00e8me de fuite des endosomes actifs pour vaccins \u00e0 ARN"},"content":{"rendered":"<p><strong>23 septembre 2025 &#8211; Activit\u00e9s financ\u00e9es<\/strong><\/p>\n<p><!--more--><\/p>\n<p><strong>Dans le cadre de son programme <em data-start=\"95\" data-end=\"135\">Innovations en technologies vaccinales<\/em>, M\u00e9dicament Qu\u00e9bec soutient quatre activit\u00e9s de recherche collaborative alliant milieux universitaires et partenaires industriels. D\u00e9couvrez le projet de Pr. Gaillet portant sur le d\u00e9veloppement d&#8217;une plateforme de nanoparticules lipidiques avec syst\u00e8me de fuite des endosomes actifs pour vaccins \u00e0 ARN.<\/strong><\/p>\n<p><span data-contrast=\"none\"><strong>Les nanoparticules lipidiques (LNP)<\/strong>\u00a0ont jou\u00e9 un r\u00f4le crucial dans la mise au point rapide des<strong>\u00a0vaccins \u00e0 ARNm<\/strong>\u00a0contre la COVID-19, en prot\u00e9geant et en transportant l\u2019ARN messager jusqu\u2019aux cellules. Cependant, une grande partie de cet ARNm reste bloqu\u00e9e dans la cellule sans pouvoir produire l\u2019effet d\u00e9sir\u00e9\u202f: seule une petite fraction r\u00e9ussit \u00e0 atteindre sa cible. Am\u00e9liorer ce processus est essentiel pour rendre les vaccins plus efficaces, r\u00e9duire les doses n\u00e9cessaires et limiter les effets secondaires.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Afin d\u2019am\u00e9liorer l\u2019internalisation des ARNm, l\u2019\u00e9quipe du Pr Gaillet d\u00e9veloppera un syst\u00e8me de fuite des endosomes aux LNP afin de produire une\u00a0<\/span><strong>plateforme r\u00e9volutionnaire capable d\u2019augmenter drastiquement le pourcentage d\u2019ARNm livr\u00e9<\/strong><span data-contrast=\"none\">\u00a0dans le cytoplasme des cellules.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">Plusieurs partenaires seront impliqu\u00e9s dans le projet:<\/span><\/p>\n<ul>\n<li><span data-contrast=\"none\">Des chercheurs de\u00a0<\/span>l\u2019<strong><a href=\"https:\/\/www.ulaval.ca\/\">Universit\u00e9 Laval<\/a><\/strong><b><span data-contrast=\"none\">\u00a0;<\/span><\/b><\/li>\n<li><span data-contrast=\"none\">Le partenaire industriel\u00a0<\/span><strong><a href=\"https:\/\/www.feldan.com\/fr\/\">Feldan Th\u00e9rapeutiques\u00a0<\/a><\/strong>qui\u00a0<span data-contrast=\"none\">prendra en charge le d\u00e9veloppement de la plateforme et qui sera activement impliqu\u00e9 dans la lev\u00e9e des fonds n\u00e9cessaires pour son d\u00e9ploiement, ce qui aura un effet multiplicateur pour le financement de nouvelles technologies vaccinales au Qu\u00e9bec ;<\/span><\/li>\n<li><span data-contrast=\"none\">Le Centre Coll\u00e9gial de Transfert Technologique,\u00a0<\/span><a href=\"https:\/\/www.transbio.tech\/\"><strong>TransBIOTech<\/strong><\/a><b><span data-contrast=\"none\">,<\/span><\/b><span data-contrast=\"none\">\u00a0\u00e9valuera la technologie dans le mod\u00e8le animal appropri\u00e9.<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">En plus de d\u00e9velopper une plateforme am\u00e9liorant l\u2019efficacit\u00e9 des vaccins ARNm, cette activit\u00e9 favorisera la\u00a0<strong>cr\u00e9ation d\u2019un r\u00e9seau de personnes hautement qualifi\u00e9es<\/strong>\u00a0en R&amp;D, en fabrication et en commercialisation des vaccins \u00e0 ARNm au Qu\u00e9bec.<\/span><span data-contrast=\"auto\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">Ce projet b\u00e9n\u00e9ficie du soutien du gouvernement du Qu\u00e9bec par l\u2019entremise de M\u00e9dicament Qu\u00e9bec, qui y investit 1,5 M$. \u00c0 cette contribution s\u2019ajoutent 1 M$ provenant de partenaires industriels, pour un investissement total de 2,5 M$.<\/span><\/p>\n<p><a href=\"https:\/\/medicamentquebec.ca\/index.php\/2025\/09\/09\/medicament-quebec-finance-quatre-activites-novatrices-en-technologies-vaccinales\/\">Lire le communiqu\u00e9<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>23 septembre 2025 &#8211; Activit\u00e9s financ\u00e9es<\/p>\n","protected":false},"author":7,"featured_media":2777,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[85],"tags":[],"class_list":["post-2774","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Plateforme de nanoparticules lipidiques avec syst\u00e8me de fuite des endosomes actifs pour vaccins \u00e0 ARN - M\u00e9dicament Qu\u00e9bec<\/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:\/\/medicamentquebec.ca\/index.php\/2025\/09\/23\/plateforme-de-nanoparticules-lipidiques-avec-systeme-de-fuite-des-endosomes-actifs-pour-vaccins-a-arn\/\" \/>\n<meta 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