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10.1073/pnas.2012939117

http://scihub22266oqcxt.onion/10.1073/pnas.2012939117
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33184176!7720140!33184176
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suck abstract from ncbi


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pmid33184176      Proc+Natl+Acad+Sci+U+S+A 2020 ; 117 (48): 30687-30698
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  • The SKI complex is a broad-spectrum, host-directed antiviral drug target for coronaviruses, influenza, and filoviruses #MMPMID33184176
  • Weston S; Baracco L; Keller C; Matthews K; McGrath ME; Logue J; Liang J; Dyall J; Holbrook MR; Hensley LE; Jahrling PB; Yu W; MacKerell AD Jr; Frieman MB
  • Proc Natl Acad Sci U S A 2020[Dec]; 117 (48): 30687-30698 PMID33184176show ga
  • The SARS-CoV-2 pandemic has made it clear that we have a desperate need for antivirals. We present work that the mammalian SKI complex is a broad-spectrum, host-directed, antiviral drug target. Yeast suppressor screening was utilized to find a functional genetic interaction between proteins from influenza A virus (IAV) and Middle East respiratory syndrome coronavirus (MERS-CoV) with eukaryotic proteins that may be potential host factors involved in replication. This screening identified the SKI complex as a potential host factor for both viruses. In mammalian systems siRNA-mediated knockdown of SKI genes inhibited replication of IAV and MERS-CoV. In silico modeling and database screening identified a binding pocket on the SKI complex and compounds predicted to bind. Experimental assays of those compounds identified three chemical structures that were antiviral against IAV and MERS-CoV along with the filoviruses Ebola and Marburg and two further coronaviruses, SARS-CoV and SARS-CoV-2. The mechanism of antiviral activity is through inhibition of viral RNA production. This work defines the mammalian SKI complex as a broad-spectrum antiviral drug target and identifies lead compounds for further development.
  • |Antiviral Agents/*pharmacology[MESH]
  • |Cell Line[MESH]
  • |Coronavirus/*drug effects[MESH]
  • |Filoviridae/*drug effects[MESH]
  • |Genes, Suppressor[MESH]
  • |Host-Pathogen Interactions/*drug effects[MESH]
  • |Models, Molecular[MESH]
  • |Molecular Targeted Therapy[MESH]
  • |Multiprotein Complexes/*metabolism[MESH]
  • |Orthomyxoviridae/*drug effects[MESH]
  • |Protein Binding[MESH]
  • |RNA, Small Interfering/metabolism[MESH]
  • |RNA, Viral/genetics/metabolism[MESH]
  • |Saccharomyces cerevisiae/genetics[MESH]
  • |Viral Proteins/metabolism[MESH]


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