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    Publication Date: 2013-02-23
    Description: Influenza antiviral agents play important roles in modulating disease severity and in controlling pandemics while vaccines are prepared, but the development of resistance to agents like the commonly used neuraminidase inhibitor oseltamivir may limit their future utility. We report here on a new class of specific, mechanism-based anti-influenza drugs that function through the formation of a stabilized covalent intermediate in the influenza neuraminidase enzyme, and we confirm this mode of action with structural and mechanistic studies. These compounds function in cell-based assays and in animal models, with efficacies comparable to that of the neuraminidase inhibitor zanamivir and with broad-spectrum activity against drug-resistant strains in vitro. The similarity of their structure to that of the natural substrate and their mechanism-based design make these attractive antiviral candidates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kim, Jin-Hyo -- Resende, Ricardo -- Wennekes, Tom -- Chen, Hong-Ming -- Bance, Nicole -- Buchini, Sabrina -- Watts, Andrew G -- Pilling, Pat -- Streltsov, Victor A -- Petric, Martin -- Liggins, Richard -- Barrett, Susan -- McKimm-Breschkin, Jennifer L -- Niikura, Masahiro -- Withers, Stephen G -- G0600514/Medical Research Council/United Kingdom -- Canadian Institutes of Health Research/Canada -- New York, N.Y. -- Science. 2013 Apr 5;340(6128):71-5. doi: 10.1126/science.1232552. Epub 2013 Feb 21.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antiviral Agents/*chemistry/pharmacology ; Crystallography, X-Ray ; Dogs ; Enzyme Inhibitors/*chemistry/pharmacology ; Humans ; Madin Darby Canine Kidney Cells ; Neuraminidase/*antagonists & inhibitors/chemistry ; Orthomyxoviridae/*drug effects/enzymology ; Oseltamivir/chemistry/pharmacology ; Protein Conformation ; Sialic Acids/*chemistry/pharmacology ; Structure-Activity Relationship ; Zanamivir/chemistry/pharmacology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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