{"id":3409,"date":"2024-03-15T12:30:13","date_gmt":"2024-03-15T19:30:13","guid":{"rendered":"https:\/\/molecularf.wpenginepowered.com\/cas-pratiques\/molecular-forecaster\/de-lead-a-la-conception-dun-candidat\/"},"modified":"2026-09-18T17:56:44","modified_gmt":"2026-09-19T00:56:44","slug":"de-lead-a-la-conception-dun-candidat","status":"publish","type":"page","link":"https:\/\/molecularforecaster.com\/fr\/cas-pratiques\/molecular-forecaster\/de-lead-a-la-conception-dun-candidat\/","title":{"rendered":"De lead \u00e0 la conception d&rsquo;un candidat"},"content":{"rendered":"\n<div class=\"et_pb_section_0 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_0 et_pb_row et_block_row\"><div class=\"et_pb_column_0 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_0 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p>De lead \u00e0 la conception d'un candidat<\/p>\n<\/div><\/div><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_0_wrapper\"><a class=\"et_pb_button_0 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module\" href=\"https:\/\/molecularforecaster.com\/fr\/cas-pratiques\/molecular-forecaster\/\" data-icon=\"&lt;\">Retour au Cas Pratique d&#039;MFI<\/a><\/div><\/div><\/div><\/div><div class=\"et_pb_section_1 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_1 et_pb_row et_pb_row_4col et_block_row et_block_row_4col\"><div class=\"et_pb_column_1 et_pb_column et_pb_column_1_4 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_1_wrapper\"><a class=\"et_pb_button_1 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module\" href=\"https:\/\/molecularforecaster.com\/fr\/what-we-do\/\">Nos Activit\u00e9s<\/a><\/div><\/div><div class=\"et_pb_column_2 et_pb_column et_pb_column_1_4 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_2_wrapper\"><a class=\"et_pb_button_2 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module\" href=\"https:\/\/molecularforecaster.com\/fr\/technology\/\">Technologie<\/a><\/div><\/div><div class=\"et_pb_column_3 et_pb_column et_pb_column_1_4 et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_3_wrapper\"><a class=\"et_pb_button_3 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module\" href=\"https:\/\/molecularforecaster.com\/fr\/licences\/\">Licences <\/a><\/div><\/div><div class=\"et_pb_column_4 et_pb_column et_pb_column_1_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_module et_pb_button_module_wrapper et_pb_button_4_wrapper\"><a class=\"et_pb_button_4 et_pb_button et_pb_bg_layout_light et_pb_module et_block_module\" href=\"https:\/\/molecularforecaster.com\/fr\/services\/\">Services<\/a><\/div><\/div><\/div><\/div><div class=\"et_pb_section_2 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_2 et_pb_row et_block_row\"><div class=\"et_pb_column_5 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_css_mix_blend_mode_passthrough\"><div class=\"et_pb_text_1 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><h1><strong><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW25772850 BCX8\"><span class=\"NormalTextRun SCXW25772850 BCX8\">Un cas pratique de la conception d'un compos\u00e9 lead \u00e0 <\/span><span class=\"NormalTextRun SCXW25772850 BCX8\">un compos\u00e9 candidat: <\/span><span class=\"NormalTextRun SCXW25772850 BCX8\">Un compos\u00e9 en phase II clinique<\/span><\/span><\/strong><strong><span class=\"EOP SCXW25772850 BCX8\" data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"><\/span><\/strong><\/h1>\n<p><strong><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW25772850 BCX8\"><span class=\"NormalTextRun SCXW25772850 BCX8\"><\/span><\/span><\/strong><\/p>\n<p><span class=\"EOP SCXW25772850 BCX8\" data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"><strong><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">PH-797804\u00a0 <\/span><\/span><\/strong><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">est <\/span><\/span><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">un inhibiteur de la MAP kinase p38 <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">inhibiteur, <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">est en<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">Phase II d'<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">essais clinique <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">pour le traitement de l'inflammation<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">. <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">Le r\u00e9sultat du <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">criblage \u00e0 haut d\u00e9bit (<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">HTS<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">)<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> initial <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">\u00e9tait <\/span><\/span><strong><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">SC-25028<\/span><\/span><\/strong><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">,<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> qui <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">a d\u00e9montr\u00e9<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> un profil prometteur<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">:<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">\u00b5<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">M<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">puissance <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">contre p38, une s\u00e9lectivit\u00e9 contre <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">un ensemble<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">de kinases <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">(200) <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">mais qui <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">a souffert <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">d'une <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">pauvre stabilit\u00e9 <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">m\u00e9tabolique<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> [<\/span><\/span><span data-contrast=\"none\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun Superscript SCXW154580217 BCX8\" data-fontsize=\"11\">2]<\/span><\/span><span data-contrast=\"none\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">.<\/span> <span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span> <span class=\"NormalTextRun SCXW154580217 BCX8\">Pour relever ce d\u00e9fi, <\/span><\/span> <span data-contrast=\"auto\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">les auteurs ont m\u00e9ticuleusement con\u00e7u plus de 80 analogues <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">gr\u00e2ce \u00e0 leurs comp\u00e9tences en chimie m\u00e9dicinale et en mod\u00e9lisation. <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">Cette \u00e9quipe interdisciplinaire<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> a abord\u00e9 les questions de stabilit\u00e9 m\u00e9tabolique de mani\u00e8re syst\u00e9matique tout en am\u00e9liorant la puissance, la s\u00e9lectivit\u00e9 et l'efficacit\u00e9 des analogues. <\/span><span class=\"NormalTextRun SCXW154580217 BCX8\">Ce qui a conduit au d\u00e9veloppement de PH-797804.<\/span><\/span><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\"> <\/span><strong><span class=\"NormalTextRun SCXW154580217 BCX8\">(Figure 1)<\/span><\/strong><\/span><span data-contrast=\"none\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun SCXW154580217 BCX8\">.<\/span><span class=\"NormalTextRun SCXW154580217 BCX8\"> [<\/span><\/span><span class=\"FieldRange SCXW154580217 BCX8\"><span data-contrast=\"auto\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW154580217 BCX8\"><span class=\"NormalTextRun Superscript SCXW154580217 BCX8\" data-fontsize=\"11\">2-4[<\/span><\/span><\/span><\/span><\/p>\n<\/div><\/div><div class=\"et_pb_image_0 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS1.png\" width=\"846\" height=\"487\" srcset=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS1.png 846w, https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS1-480x276.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 846px, 100vw\" class=\"wp-image-3340\" title=\"Impact_des_IMPACTS#1\" \/><\/span><\/div><div class=\"et_pb_text_2 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><i><span data-contrast=\"auto\"><strong>Figure 1 <\/strong>: Efforts d'optimisation de la chimie m\u00e9dicinale sur le premier r\u00e9sultat HTS (SC-25028) jusqu'au d\u00e9veloppement du candidat PH-797804 pour \u00e9tudier les profils de puissance, de stabilit\u00e9 m\u00e9tabolique et pharmacocin\u00e9tique. <\/span><\/i><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<p><span data-contrast=\"none\">Le candidat gagnant, <\/span><b><span data-contrast=\"none\">SC-25028 <\/span><\/b><span data-contrast=\"none\">a \u00e9t\u00e9 fortement m\u00e9tabolis\u00e9 : seuls 52 % de ce compos\u00e9 ont \u00e9t\u00e9 d\u00e9tect\u00e9s apr\u00e8s 45 minutes d'incubation. L'hypoth\u00e8se initiale \u00e9tait que les cycles aromatiques non substitu\u00e9s \u00e9taient des sites de m\u00e9tabolisation. Nous nous sommes demand\u00e9 si<\/span><strong> IMPACTS<\/strong><span data-contrast=\"none\"> pourrait g\u00e9n\u00e9rer des hypoth\u00e8ses align\u00e9es sur les sch\u00e9mas de pens\u00e9e des chimistes m\u00e9dicinaux et suivre potentiellement un chemin de pens\u00e9es similaire. <\/span> <span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<p><span data-contrast=\"auto\">Nous avons demand\u00e9 \u00e0 <\/span><strong>IMPACTS<\/strong> <span data-contrast=\"auto\">de pr\u00e9dire les cinq SoMs les plus probables pour <strong>SC-25028<\/strong> en utilisant tous les mod\u00e8les de CYP disponibles dans la version actuelle, \u00e9tant donn\u00e9 qu'il n'est pas clair quel CYP est le plus susceptible de m\u00e9taboliser le compos\u00e9. Apr\u00e8s chaque cycle d'<\/span><strong>IMPACTS<\/strong>\u00a0<span data-contrast=\"auto\">les 5 premiers SoMs sont g\u00e9n\u00e9r\u00e9s comme demand\u00e9, avec les \u00e9nergies d'activation, les types de r\u00e9action et les \u00e9tats de transition de la mol\u00e9cule r\u00e9agissant avec les CYP. Ces informations sont essentielles pour comprendre les sites m\u00e9taboliques potentiels et \u00e9clairer les d\u00e9cisions de conception ult\u00e9rieures. <\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559738=\"\" :240=\"\" 335559739=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<p><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559738=\"\" :240=\"\" 335559739=\"\" 335559740=\"\" :259=\"\"><\/span><\/p>\n<p><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559738=\"\" :240=\"\" 335559739=\"\" 335559740=\"\" :259=\"\"><\/span><\/p>\n<h2><b><span data-contrast=\"auto\">Pr\u00e9dictions d'<\/span><\/b><strong>IMPACTS<\/strong><b><span data-contrast=\"auto\">: <\/span><\/b> <span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :276=\"\"> <\/span><\/h2>\n<p><strong>IMPACTS<\/strong> <span data-contrast=\"auto\">a pr\u00e9dit une O-d\u00e9salkylation sur le groupe m\u00e9thyl\u00e8ne en position benzylique de la fraction benzyloxy en tant que SoM primaire, comme le montre la figure 2. L'oxydation aromatique a \u00e9t\u00e9 pr\u00e9dite comme prochain site m\u00e9tabolique potentiel sur les deux cycles aromatiques non substitu\u00e9s du compos\u00e9. Ces pr\u00e9dictions faites par <\/span><strong>IMPACTS<\/strong><span data-contrast=\"auto\">\u00a0correspondaient \u00e9troitement aux hypoth\u00e8ses des chimistes m\u00e9dicinaux. Selon la litt\u00e9rature, les chercheurs ont men\u00e9 des \u00e9tudes d'optimisation sp\u00e9cifiquement ax\u00e9es sur ces sites identifi\u00e9s.<\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559738=\"\" :240=\"\" 335559739=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<\/div><\/div><div class=\"et_pb_image_1 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS2.png\" width=\"733\" height=\"350\" srcset=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS2.png 733w, https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS2-480x229.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 733px, 100vw\" class=\"wp-image-3344\" title=\"Impact_des_IMPACTS#2\" \/><\/span><\/div><div class=\"et_pb_text_3 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><span data-contrast=\"auto\"><i><strong>Figure 2<\/strong> : <\/i><em>Pr\u00e9dictions<\/em><\/span><i><span data-contrast=\"auto\"><em> des<\/em> site de m\u00e9tabolisation (SoMs) faites par <strong>IMPACTS<\/strong> pour <strong>SC-25028<\/strong>. Les SoMs sont d\u00e9finis comme des cercles, dont la taille indique la priorit\u00e9 : les cercles les plus grands correspondent aux sites les plus prioritaires et les cercles les plus petits aux sites moins critiques. Chaque CYP est d\u00e9sign\u00e9 par un code couleur unique.<\/span><\/i><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" 335559740=\"\" :276=\"\"> <\/span><\/p>\n<p><span data-contrast=\"auto\">Tous les mod\u00e8les CYP ont pr\u00e9dit que le groupe m\u00e9thyl\u00e8ne de la fraction benzyloxy \u00e9tait un SoM de premier ordre, indiquant une O-d\u00e9salkylation. Les donn\u00e9es provenant de la litt\u00e9rature indiquent que les chercheurs n'ont explor\u00e9 que les liaisons \u00e9thyl\u00e8ne et benzylamine \u00e0 cette position et qu'ils ont trouv\u00e9 ces modifications moins efficaces. Les auteurs ont indiqu\u00e9 que la fraction benzyloxy s'est av\u00e9r\u00e9e \u00eatre la substitution id\u00e9ale pour occuper la poche lipophile au-del\u00e0 du r\u00e9sidu de garde, Thr103. Cette position n'a pas \u00e9t\u00e9 \u00e9xamin\u00e9 du point de vue de la stabilit\u00e9 m\u00e9tabolique, de sorte que nous ne pouvons pas comparer l'impact des SoMs sur la stabilit\u00e9 m\u00e9tabolique. (Figure 3).<\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559738=\"\" :240=\"\" 335559739=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<\/div><\/div><div class=\"et_pb_image_2 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS3.png\" width=\"397\" height=\"296\" srcset=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS3.png 397w, https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS3-300x224.png 300w\" sizes=\"(max-width: 397px) 100vw, 397px\" class=\"wp-image-3347\" title=\"Impact_des_IMPACTS#3\" \/><\/span><\/div><div class=\"et_pb_text_4 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><i><span data-contrast=\"auto\"><strong>Figure 3<\/strong> : <\/span><\/i><strong> IMPACTS<\/strong><i><span data-contrast=\"auto\"> pr\u00e9dit que le groupe m\u00e9thyl\u00e8ne de la fraction benzyloxy est un \"hot spot\" m\u00e9tabolique potentiel (SoM), alors que ce groupe s'est av\u00e9r\u00e9 \u00eatre une substitution id\u00e9ale et est rest\u00e9 non encha\u00een\u00e9 pendant l'optimisation du lead.<\/span><\/i><span data-contrast=\"auto\"> <\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :276=\"\"> <\/span><\/p>\n<p><span data-contrast=\"auto\">Diverses mono et di-substitutions ont \u00e9t\u00e9 explor\u00e9es pour la position 2', 4'- du groupe benzyloxy, y compris des halog\u00e8nes (Cl et F). En termes de stabilit\u00e9 m\u00e9tabolique et de s\u00e9lectivit\u00e9, le 2,4-difluorobenzyloxy s'est av\u00e9r\u00e9 \u00eatre la modification la plus efficace. Cette hypoth\u00e8se et ces efforts en mati\u00e8re de chimie m\u00e9dicinale \u00e9taient tr\u00e8s bien align\u00e9s sur les pr\u00e9visions d'<strong>IMPACTS<\/strong>. L'utilisation d'<strong>IMPACTS<\/strong> aurait \u00e9t\u00e9 tr\u00e8s utile pour comprendre les \"hot spots\" (SoM) et pour prendre des d\u00e9cisions (figure 4).<\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<\/div><\/div><div class=\"et_pb_image_3 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS4.png\" width=\"879\" height=\"427\" srcset=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS4.png 879w, https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS4-480x233.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 879px, 100vw\" class=\"wp-image-3350\" title=\"Impact_des_IMPACTS#4\" \/><\/span><\/div><div class=\"et_pb_text_5 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><i><span data-contrast=\"auto\"><strong>Figure 4<\/strong> : <\/span><\/i><i><span data-contrast=\"auto\">Pr\u00e9dictions du mod\u00e8le CYP1A2 par <strong>IMPACTS<\/strong> mettant en \u00e9vidence les SoMs sur la partie benzyloxy et les substitutions repr\u00e9sentatives explor\u00e9es autour du groupe benzyloxy pour des questions de stabilit\u00e9 m\u00e9tabolique [2].<\/span><\/i><i><span data-contrast=\"auto\"> Ici, nous avons pris en compte exclusivement les pr\u00e9dictions du CYP1A2 puisque les auteurs n'ont pas pr\u00e9cis\u00e9 quelle enzyme CYP \u00e9tait responsable de la m\u00e9tabolisation du compos\u00e9. Les pr\u00e9dictions pour les quatre enzymes CYP ont indiqu\u00e9 que les positions 2' ou 4', ou les deux, \u00e9taient des sites de m\u00e9tabolisation (SoM), comme l'illustre la figure 2.<\/span><\/i><span data-ccp-props=\"{\" 134233117=\"\" :true=\"\" 134233118=\"\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :240=\"\"> <\/span><\/p>\n<p><span data-contrast=\"auto\">Dans un second temps, les auteurs ont remplac\u00e9 le groupe N-benzyle par le groupe N-ph\u00e9nyle afin de s'attaquer \u00e0 la stabilit\u00e9 m\u00e9tabolique et de concevoir des inhibiteurs plus s\u00e9lectifs de la p38. Diverses mono et di-substitutions ont \u00e9t\u00e9 explor\u00e9es sur la partie N-ph\u00e9nyle, l'objectif \u00e9tant d'am\u00e9liorer la s\u00e9lectivit\u00e9 et la stabilit\u00e9 m\u00e9tabolique en introduisant des groupes polaires sur les positions 3' et 4' du N-ph\u00e9nyle pour engager l'Asp112 et l'Asn115. Les it\u00e9rations de chimie m\u00e9dicinale ont permis d'identifier la substitution 3'-CONHMe comme \u00e9tant la plus prometteuse, ce qui a finalement conduit \u00e0 la d\u00e9couverte du <strong>PH-797804<\/strong> en tant que candidat clinique. Dans la figure 5, les pr\u00e9dictions d'<\/span><strong>IMPACTS<\/strong> <span data-contrast=\"auto\">pour <strong>SC-25028<\/strong> (par le mod\u00e8le CYP 3A4A) et le compos\u00e9 2 sont bien align\u00e9es avec les plans de chimie m\u00e9dicinale. Comme nous n'avons pas observ\u00e9 de SoM sur les groupes N-ph\u00e9nyle dans d'autres mod\u00e8les CYP, nous avons captur\u00e9 les pr\u00e9dictions de CYP2D6 pour le compos\u00e9 2. <\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<\/div><\/div><div class=\"et_pb_image_4 et_pb_image et_pb_module et_block_module\"><span class=\"et_pb_image_wrap\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS5.png\" width=\"880\" height=\"430\" srcset=\"https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS5.png 880w, https:\/\/molecularforecaster.com\/wp-content\/uploads\/2024\/03\/Impact_of_IMPACTS5-480x235.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 880px, 100vw\" class=\"wp-image-3353\" title=\"Impact_des_IMPACTS#5\" \/><\/span><\/div><div class=\"et_pb_text_6 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><i><span data-contrast=\"auto\"><strong>Figure 5<\/strong> : <\/span><\/i><span data-contrast=\"none\"> Pr\u00e9diction d'<strong>IMPACTS<\/strong><\/span> pour<i><span data-contrast=\"auto\"> SC-25028 et le compos\u00e9 2 mettant en \u00e9vidence les SoMs sur les parties N-benzyle et N-ph\u00e9nyle et les substitutions repr\u00e9sentatives explor\u00e9es autour de ce groupe pour r\u00e9pondre aux pr\u00e9occupations en mati\u00e8re de stabilit\u00e9 m\u00e9tabolique[<\/span><\/i><span><i>2,3].<\/i><\/span><i><span data-contrast=\"auto\"> Ici, nous avons saisi les pr\u00e9dictions du mod\u00e8le CYP3A4 pour le SC-25028, et observ\u00e9 des SoM similaires ou identiques, comme l'illustre la figure 2.<\/span><\/i> <i><span data-contrast=\"auto\">Pour le compos\u00e9 2, nous avons observ\u00e9 des SoMs sur le groupe N-ph\u00e9nyle par le CYP2D6, et aucune pr\u00e9diction de ce type n'a \u00e9t\u00e9 observ\u00e9e sur ce groupe par les 3 autres mod\u00e8les CYP. Nous avons donc saisi les pr\u00e9dictions du CYP2D6 pour le compos\u00e9 2.<\/span><\/i><span data-ccp-props=\"{\" 134233117=\"\" :true=\"\" 134233118=\"\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :240=\"\"> <\/span><\/p>\n<p><span data-contrast=\"auto\">En conclusion, cette \u00e9tude de cas r\u00e9trospective illustre la fa\u00e7on dont l<\/span><span data-contrast=\"auto\">es SoMs mis en avant par <strong>IMPACTS<\/strong> am\u00e9liorent la prise de d\u00e9cision pour les candidats initiaux en correspondant \u00e9troitement avec les strat\u00e9gies de chimie m\u00e9dicinale. Ces outils peuvent acc\u00e9l\u00e9rer la d\u00e9couverte et r\u00e9duire la n\u00e9cessit\u00e9 d'une synth\u00e8se et d'un criblage approfondis. L'analyse pr\u00e9dictive peut rendre la d\u00e9couverte de m\u00e9dicaments plus efficace, en am\u00e9liorant le processus de prise de d\u00e9cision et en acc\u00e9l\u00e9rant le d\u00e9veloppement du concept au candidat.<\/span><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559739=\"\" :160=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<\/div><\/div><div class=\"et_pb_text_7 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><b><span data-contrast=\"none\">LES AJOUTS DE VALEUR :<\/span><\/b><span data-ccp-props=\"{\" 201341983=\"\" :0=\"\" 335551550=\"\" :6=\"\" 335551620=\"\" 335559740=\"\" :259=\"\"> <\/span><\/p>\n<p>Les outils pr\u00e9dictifs comme <strong>IMPACTS<\/strong> am\u00e9liorent la planification strat\u00e9gique dans les projets de conception de m\u00e9dicaments en permettant :<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"9\" data-list-defn-props=\"{\" 335552541=\"\" :1=\"\" 335559685=\"\" :720=\"\" 335559991=\"\" :360=\"\" 469769226=\"\" :=\"\" wingdings=\"\" 469769242=\"\" 9642=\"\" 469777803=\"\" left=\"\" 469777804=\"\" 469777815=\"\" hybridmultilevel=\"\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\">Une base de donn\u00e9es pour la prise de d\u00e9cision<\/li>\n<li data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"9\" data-list-defn-props=\"{\" 335552541=\"\" :1=\"\" 335559685=\"\" :720=\"\" 335559991=\"\" :360=\"\" 469769226=\"\" :=\"\" wingdings=\"\" 469769242=\"\" 9642=\"\" 469777803=\"\" left=\"\" 469777804=\"\" 469777815=\"\" hybridmultilevel=\"\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\">Identification pr\u00e9coce des probl\u00e8mes m\u00e9taboliques potentiels<\/li>\n<li data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"9\" data-list-defn-props=\"{\" 335552541=\"\" :1=\"\" 335559685=\"\" :720=\"\" 335559991=\"\" :360=\"\" 469769226=\"\" :=\"\" wingdings=\"\" 469769242=\"\" 9642=\"\" 469777803=\"\" left=\"\" 469777804=\"\" 469777815=\"\" hybridmultilevel=\"\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\">La conception de candidats principaux ayant de meilleures chances de r\u00e9ussite en mati\u00e8re de d\u00e9veloppement<\/li>\n<li data-leveltext=\"\uf0a7\" data-font=\"Wingdings\" data-listid=\"9\" data-list-defn-props=\"{\" 335552541=\"\" :1=\"\" 335559685=\"\" :720=\"\" 335559991=\"\" :360=\"\" 469769226=\"\" :=\"\" wingdings=\"\" 469769242=\"\" 9642=\"\" 469777803=\"\" left=\"\" 469777804=\"\" 469777815=\"\" hybridmultilevel=\"\" aria-setsize=\"-1\" data-aria-posinset=\"4\" data-aria-level=\"1\">R\u00e9duction significative des co\u00fbts de d\u00e9veloppement en minimisant le nombre de synth\u00e8ses et de criblages (par exemple, plus de 80 compos\u00e9s dans cette \u00e9tude de cas r\u00e9trospective).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div><div class=\"et_pb_text_8 et_pb_text et_pb_bg_layout_light et_pb_module et_block_module\"><div class=\"et_pb_text_inner\"><p><strong>R\u00e9f\u00e9rences :<\/strong><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><strong><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/22916680\/\"><span data-contrast=\"auto\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW228691999 BCX8\"><span class=\"NormalTextRun SCXW228691999 BCX8\" data-ccp-parastyle=\"Bibliography\">Campagna-Slater, V ; Pottel, J. ; Therrien, E. ; Cantin, L.-D. ; Moitessier, N. D\u00e9veloppement d'un outil informatique pour rivaliser avec les experts dans la pr\u00e9diction des sites de m\u00e9tabolisme des x\u00e9nobiotiques par les P450.<\/span><\/span><\/a><\/strong><\/li>\n<li><strong><span data-contrast=\"auto\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW228691999 BCX8\"><span class=\"NormalTextRun SCXW228691999 BCX8\" data-ccp-parastyle=\"Bibliography\"><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19751974\/\"><span class=\"NormalTextRun SCXW72788744 BCX8\" data-ccp-parastyle=\"Bibliography\">Selness, S. R.et al,<\/span><span class=\"NormalTextRun SCXW72788744 BCX8\" data-ccp-parastyle=\"Bibliography\"> D\u00e9couverte de pyridinones N-substitu\u00e9es <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW72788744 BCX8\" data-ccp-parastyle=\"Bibliography\">pyridinones<\/span><span class=\"NormalTextRun SCXW72788744 BCX8\" data-ccp-parastyle=\"Bibliography\"> comme inhibiteurs puissants et s\u00e9lectifs de la kinase P38.<\/span><\/a><\/span><\/span><\/strong><\/li>\n<li><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0960894X11005907?via%3Dihub\"><strong><span data-contrast=\"auto\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW228691999 BCX8\"><span class=\"NormalTextRun SCXW228691999 BCX8\" data-ccp-parastyle=\"Bibliography\"><span class=\"NormalTextRun SCXW72788744 BCX8\" data-ccp-parastyle=\"Bibliography\"><span class=\"NormalTextRun SCXW64383301 BCX8\" data-ccp-parastyle=\"Bibliography\">Selness, S. R. et al,<\/span><span class=\"NormalTextRun SCXW64383301 BCX8\" data-ccp-parastyle=\"Bibliography\"> Conception, synth\u00e8se et activit\u00e9 d'une s\u00e9rie puissante et s\u00e9lective de N-Aryl <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW64383301 BCX8\" data-ccp-parastyle=\"Bibliography\">pyridinone<\/span><span class=\"NormalTextRun SCXW64383301 BCX8\" data-ccp-parastyle=\"Bibliography\"> Inhibiteurs de la kinase P38.<\/span><\/span><\/span><\/span><\/strong><\/a><\/li>\n<li><a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/21641211\/\"><strong><span data-contrast=\"auto\" xml:lang=\"EN-IN\" lang=\"EN-IN\" class=\"TextRun SCXW228691999 BCX8\"><span class=\"NormalTextRun SCXW228691999 BCX8\" data-ccp-parastyle=\"Bibliography\"><span class=\"NormalTextRun SCXW72788744 BCX8\" data-ccp-parastyle=\"Bibliography\"><span class=\"NormalTextRun SCXW64383301 BCX8\" data-ccp-parastyle=\"Bibliography\"><span class=\"NormalTextRun SCXW249807912 BCX8\" data-ccp-parastyle=\"Bibliography\">Selness, S. R. et al,<\/span><span class=\"NormalTextRun SCXW249807912 BCX8\" data-ccp-parastyle=\"Bibliography\"> D\u00e9couverte du PH-797804, un inhibiteur hautement s\u00e9lectif et puissant de la P38 MAP Kinase<\/span><\/span><\/span><\/span><\/span><\/strong><\/a><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/div><\/div><\/div><\/div><\/div><div class=\"et_pb_section_3 et_pb_section et_section_regular et_block_section\"><div class=\"et_pb_row_3 et_pb_row et-vb-row--no-module et_block_row\"><div class=\"et_pb_column_6 et_pb_column et_pb_column_4_4 et-last-child et_block_column et_pb_column_empty et_pb_css_mix_blend_mode_passthrough\"><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":3400,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3409","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - 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