Collaboration public privé Jean-Luc GALZI
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Small molecules to understand living systems and treat diseases Chemo- Chemical informatics libraries Advice and project management Screening ADME-Tox https://chembiofrance.cn.cnrs.fr/fr/
The National Chemical library 45 academic laboratories (shareholders) Compounds gathered: 73397 Compounds in plates: 54166 Natural extracts: 15116 Iso 9000 Certification One unique distribution Center in Toulouse (GLP) • Collect new compounds • Distribute molecules • Quality control (MS) • Maintain database (FAIR) • Re-synthetize hit molecules • Train users and librarians http://chimiotheque-nationale.cn.cnrs.fr/?lang=en
Notable features of the National Design of sub-libraries Chemical No - Essential collection Library commercial - Focused libraries compound ✔ - On demand (cherry picking) ✔ Collaboration with chemists ✔ for hit re-synthesis, analogs design and synthesis, drug development specificities Integration to other pillars of the infrastructure ✔ (chemoinformatics, ADMET …)
Chemoinformatics network Virtual ü ligand-based Screenings ü structure-based A network of 8 sites : ü CN subset Libraries ü approved drugs Design ü commercial cpds PPI QSAR,QSPR ADMET Raw data ü PAINS/reacBvity alert Virtual screening/ analysis ü analogs in catalogs Membrane proteins and ü properBes predicBon Library design SAR building LogP, Sol.,Kd, Kon/Koff ü prioritizing cpds Synthesis ü prioritizing reagents ü scaffold hopping Kinases / Nucl R QSAR Bio-Profiling ü Metabolism (site, CYP450s…) & ADME-Tox ü Off-targets PPI PredicBon https://www.ibisa.net/plateformes/detail.php?tri=Criblage%20et%20chimioth%E8que&srch=&q=586
A network of screening centers Screening = Binding + Function HCS Soluble target - Cell metabolism (proliferation, Kinases Fluorescence apoptosis, nécrosis, mitosis, Cancer Target-based polarization, alpha- autophagy, autophagy, screen, TRF, Membrane potential) radioactivity - Gene expression (Reporter gene expression, chemokines, Natural Membrane proteins cytokines, etc) substances FRET, HTRF - Migration (chemotaxis, Wound healing) Label free methods - Morphology (Intracellular Phenotypic screens (DMR etc..) trafficking, cytoskeleton) - Signalling (cAMP, IP1, calcium, Biomarker detection and GPCRs quantification …) - Microbiology (viral replication, Emerging diseases/ NMR/ microbiology bacterial proliferation) Fragment-based
A network of ADMET centers Three pla)orms : - Physicochemistry (solub; LogP/D; pKa; Chemical stab; plasma stab; prot binding …) - AbsorpCon (vitro/vivo) (caco2; PAMPA; p.o.; i.v.; cut; i.p., i.n. …) Labeling of molecules - DistribuCon (vivo) (all Cssues) - Metabolism (vitro / vivo) (metab stab; recombinant CYP; microsomes; primary & secondary metabolites; metabolite id) - PharmacokineCc (vivo) (8 routes of administraCon; brain)
Achievements (2007-2017) Published articles 1450 theses 500 training 1000 users >1000 Number of screens 385 Patents / active licences 84 / 35 BioTools identified 65 (database under construction) Laboratories of excellence 2 (20M€ funding for probe discovery) Start-up created 7 Cellipse, Biokinesis, Ecrins therapeutics, Abivax, Biodol, Therapeutics, Quiid, aptaeus, Manros Therap Associated companies Prestwick Chemical (Strasbg), Domain Therapeutics (Strasbg), Bioversys (Lille)
Aknowledgements • Dr Florence MAHUTEAU, Pr. Pascal BONNET, Heads of chemical library • Dr. Didier ROGNAN, Dr. Dominique DOUGUET Heads of chemoinformatics • Dr. Pascal VILLA, Dr. M-Odile FAUVARQUE, Heads of Screening platforms • Dr. Pascal VILLA Head of ADME-T
Prestwick Chemical: What Do We Offer? • Prestwick Chemical Library ® • Prestwick CNS and GPCR Library • Prestwick Drug Fragment Library • Hit Discovery • Prestwick Phytochemical Library • Post HTS Services • Prestwick Peptidic Macrocycle Library • MedChem Projects • Prestwick Original Molecules • Chemistry Services • Prestwick Frag-to-lead Library (2019) • Computational Services • Analytical Services
The Prestwick Chemical Library ® 1280 small molecules: Royalty-free “no strings attached” compounds 95% FDA-EMA approved drugs - marketed off-patent Since 2000 Regularly updated, new update in July 2019, up to 1520 compounds Designed to increase potential “high –quality” hits Compounds selected for: ○ high chemical diversity ○ high pharmacological diversity ○ known bioavailability ○ safety in humans
The Prestwick Chemical Library ® Used for : o Assay validation o Start of new optimization process o Finding of stem cell growth modulators o Repurposing/ repositioning o …….
Highly annotated database
The Prestwick Chemical Library ® FACTS o High quality Library, each compound checked for identity & purity (powder stock and DMSO) o Mentioned in > 400 publications worldwide, around 20 on Rare Diseases projects o Tested on Rare Diseases platforms: 14 x at PCBIS + 1 project ongoing and several other platforms (Lille, Grenoble, Saclay, Toulouse, …) o Direct Repositioning is possible (Ann. Neurol 2018: 84:260 – Acute Ischemic stroke) o Drug-drug combination will allow new IP issues (ex anti-inflammatory + a drug)
Neutraligands de Chimiokines Criblage « target-based » Applications : Inflammations – douleur, asthme, dermatites, WHIM, cancer, etc. Porteurs : J-L Galzi, N Frossard, M Hibert, D Bonnet UMR7200 - UMR 7242 Strasbourg Chimiothèques criblées : • Chimiothèque Nale : 6000 composés • Prestwick : 1200 composés 2009 : Criblage moléculaire (FRET) 2010 : Nouveau concept – Neutraligand -> orphan drug designation 2010-2017 : hit to lead, prodrug, antedrug 2010-2018 : Efficacité in vivo sur modèles d’inflammation, de douleur, asthme, dermatite, lupus, WHIM, etc. • PK / Imagerie 2017 : Brevet Maturation SATT Conectus – Recherche de partenaire industriel Brevet : 2017, extension 2018 Publis : - Neutralizing endogenous chemokines with small molecules. Principles and potential therapeutic applications. Hachet-Haas M. et al. Pharmacol Therapeut 2010, 126, 39-55. - Prodrugs of a CXC Chemokine-12 (CXCL12) Neutraligand Prevent Inflammatory Reactions in an Asthma Model in Vivo Gasparik V et al. ACS Med Chem Lett 2012, 3, 10-14 - An antedrug of the CXCL12 neutraligand blocks experimental allergic asthma without systemic effect in mice. Daubeuf F. et al. J Biol Chem. 2013 288(17):11865-76. - A strategy to discover decoy chemokine ligands with an anti-inflammatory activity. Abboud D. et al. Sci Rep. 2015 Oct 7;5:14746.
Correction des mutations non sens Criblage phénotypique Proposer des approches thérapeutiques pour les maladies génétiques causées par des mutations non sens Porteur : Fabrice Lejeune Équipes : UMR 8161 (IBL – Lille) UMR 7245 (MNHN - Paris) Chimiothèques criblées : • Prestwick (1200 composés ) • CNE (640 composés) • Extractothèque Nale (20.000 extraits) Lepista flaccida 2012… : Criblage, validaUon sur lignées cellulaires, cellules de paUents et in vivo dans des modèles murins, mesure de la concentraUon efficace et déterminaUon du mode d'acUon détermination du composé actif de l'extrait et test de molécules dérivées (mucoviscidose) Maturation en cours… Brevet français déposé en 2016 et international en 2017 Publication : H Benhabiles, S Gonzalez-Hilarion, S Amand, C Bailly, A Prévotat, P Reix, D Hubert, E Adriaenssens, S Rebuffat, D Tulasne, F Lejeune Optimized approach for the identification of highly efficient correctors of nonsense mutations in human diseases PLOS ONE 2017.
Other Screening Libraries o Prestwick CNS Library : subset of 320 drugs meeting BBB penetration criteria o Prestwick GPCR Library: subset of 270 drugs dedicated to GPCR research o Prestwick Phytochemical Library : selection of 320 pure natural compounds o Prestwick Fragment Library: extended to 1464 fragments coming from smart fragmentation of marketed drugs o Prestwick Original Molecules Library: a set of 344 exclusive compounds – provided for being tested at PCBIS o Prestwick Macrocyclic Peptide Library: a set of 400 short macrocycles o Prestwick Frag-to-lead Library: a set of 400 arising from combination of fragments from approved drugs o Focused and customized Libraries: for a broader offer 18
Post HTS Services Hit Confirmation: hit re–resupply, hit analysis, hit analogs procurement Includes: o Selection of hit series (1-5) o Search and selection of structural analogues within the available chemical space (10Mo compounds) Deliverable: 10 to 50 QCed analogues Overall Duration: 1-3 months Hit / Series Validation: design and synthesis of new analogues Includes: o SAR-driven design with IP consideration and chemical traceability o Iterative cycles including design/synthesis of analogues and activity testing o Early ADME/Tox characterization for selection WITH PCBIS/TECHMEDILL Deliverable: 15 to 40 analogues Overall Duration: 3-4 months Aim: confirm biological activity for 1 or 2 chemical series possibly entering Hit to Lead phases
Post HTS Services Hit to Lead Selection in a multidisciplinary environment of the most promising scaffold Allows to get a compound towards POC in an animal model Includes: o Multiparameter optimization of 1 or 2 chemical series (e.g. activity, selectivity, early ADME profile) o Iterative cycles including design/synthesis and activity testing o IP landscape will be considered for the design o Bi-weekly reports Deliverable: o 80-120 compounds (20 mg) o Lead compound Overall Duration: 8-12 months
Thank you! Marie-Louise Jung, Pharm D., PhD. Prestwick Chemical VP Sales Business Development Europe, Asia, Australia Email: marielouise.jung@prestwickchemical.fr www.prestwickchemical.com Boulevard Gonthier d’Andernach Parc d’Innovation, 67400 ILLKIRCH – STRASBOURG France
Stimulators of Interferon Genes Criblage phénotypique Stimulateurs de la réponse immunitaire innée & antiviraux à large spectre Chimiothèque criblée : • Chimiothèque Nale (~25.900 composés) Porteur : Pierre-Olivier Vidalain (UMR 3569, Paris) • Prestwick (1200 composés) • Chemical Diversity (~ 14000 composés) • Chem-X-Infinity (10000 composés) è ~ 50 hits 2008-2010 : criblage cellulaire inducteurs de la réponse interféron 2011 : criblage cellulaire inhibiteurs du virus de ISRE luciferase la rougeole (interferon inducible antiviral genes) 2013 : identification de la cible (voie de biosynthèse des pyrimidine: DHODH) 2009-2015 : validation des hits - études structure/activité – études ADME-Tox Luciférase 2016… : maturaion en cours sur d’autres applicaions thérapeuiques 2 brevets (2010 et 2014) 10 publis : • Lucas-Hourani M, Dauzonne D, Jorda P, Cousin G, Lupan A, Helynck O, Caignard G, Janvier G, André-Leroux G, Khiar S, Escriou N, Desprès P, Jacob Y, Munier-Lehmann H, Tangy F, Vidalain PO. PLoS Pathog. 2013;9(10):e1003678. • Munier-Lehmann H, Lucas-Hourani M, Guillou S, Helynck O, Zanghi G, Noel A, Tangy F, Vidalain PO, Janin YL. J Med Chem. 2015;58(2):860-77. • Lucas-Hourani M, Dauzonne D, Munier-Lehmann H, Khiar S, Nisole S, Dairou J, Helynck O, Afonso PV, Tangy F, Vidalain PO. Antimicrob Agents Chemother. 2017;61(10).
The chemical biology academic initiative in France A vision: From gene to function From function to gene A mission: Discover Small molecules (Biotools) to understand living systems An infrastructure with four pillars : ChemBioFrance - The National Chemical Library - A chemoinformatics network - A screening platforms network - An ADME-T platforms network
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