Antivirulence Isoquinolone Mannosides: Optimization of the Biaryl Aglycone for FimH Lectin Binding Affinity and Efficacy in the Treatment of Chronic UTI
العنوان: | Antivirulence Isoquinolone Mannosides: Optimization of the Biaryl Aglycone for FimH Lectin Binding Affinity and Efficacy in the Treatment of Chronic UTI |
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المؤلفون: | James W. Janetka, Laurel Mydock-McGrane, Jerome S. Pinkner, Vasilios Kalas, Zhenfu Han, Corinne K. Cusumano, Jana Binkley, Bradley Ford, Roger D. Klein, Cassie M. Jarvis, Zachary T. Cusumano, Scott J. Hultgren |
المصدر: | ChemMedChem. 11(4) |
سنة النشر: | 2016 |
مصطلحات موضوعية: | 0301 basic medicine, Mannosides, Hemagglutination, medicine.drug_class, Stereochemistry, 030106 microbiology, Urinary Bladder, Carboxamide, Biochemistry, Article, 03 medical and health sciences, chemistry.chemical_compound, Drug Discovery, medicine, Potency, Humans, Uropathogenic Escherichia coli, General Pharmacology, Toxicology and Pharmaceutics, Escherichia coli Infections, Pharmacology, Adhesins, Escherichia coli, Chemistry, Organic Chemistry, Biofilm, Rational design, Isoquinolines, Anti-Bacterial Agents, Bacterial adhesin, Molecular Docking Simulation, 030104 developmental biology, Aglycone, Chronic Disease, Urinary Tract Infections, Molecular Medicine, Fimbriae Proteins |
الوصف: | Uropathogenic E. coli (UPEC) employ the mannose-binding adhesin FimH to colonize the bladder epithelium during urinary tract infection (UTI). Previously reported FimH antagonists exhibit good potency and efficacy, but low bioavailability and a short half-life in vivo. In a rational design strategy, we obtained an X-ray structure of lead mannosides and then designed mannosides with improved drug-like properties. We show that cyclizing the carboxamide onto the biphenyl B-ring aglycone of biphenyl mannosides into a fused heterocyclic ring, generates new biaryl mannosides such as isoquinolone 22 (2-methyl-4-(1-oxo-1,2-dihydroisoquinolin-7-yl)phenyl α-d-mannopyranoside) with enhanced potency and in vivo efficacy resulting from increased oral bioavailability. N-Substitution of the isoquinolone aglycone with various functionalities produced a new potent subseries of FimH antagonists. All analogues of the subseries have higher FimH binding affinity than unsubstituted lead 22, as determined by thermal shift differential scanning fluorimetry assay. Mannosides with pyridyl substitution on the isoquinolone group inhibit bacteria-mediated hemagglutination and prevent biofilm formation by UPEC with single-digit nanomolar potency, which is unprecedented for any FimH antagonists or any other antivirulence compounds reported to date. |
تدمد: | 1860-7187 |
URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0870168f07aa020437a9a39095c673b1 https://pubmed.ncbi.nlm.nih.gov/26812660 |
Rights: | OPEN |
رقم الانضمام: | edsair.doi.dedup.....0870168f07aa020437a9a39095c673b1 |
قاعدة البيانات: | OpenAIRE |
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Previously reported FimH antagonists exhibit good potency and efficacy, but low bioavailability and a short half-life in vivo. In a rational design strategy, we obtained an X-ray structure of lead mannosides and then designed mannosides with improved drug-like properties. We show that cyclizing the carboxamide onto the biphenyl B-ring aglycone of biphenyl mannosides into a fused heterocyclic ring, generates new biaryl mannosides such as isoquinolone 22 (2-methyl-4-(1-oxo-1,2-dihydroisoquinolin-7-yl)phenyl α-d-mannopyranoside) with enhanced potency and in vivo efficacy resulting from increased oral bioavailability. N-Substitution of the isoquinolone aglycone with various functionalities produced a new potent subseries of FimH antagonists. All analogues of the subseries have higher FimH binding affinity than unsubstituted lead 22, as determined by thermal shift differential scanning fluorimetry assay. 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