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10.1038/s41467-021-21825-w

http://scihub22266oqcxt.onion/10.1038/s41467-021-21825-w
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33750821!7943568!33750821
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suck abstract from ncbi


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pmid33750821      Nat+Commun 2021 ; 12 (1): 1517
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  • Cross-linking peptide and repurposed drugs inhibit both entry pathways of SARS-CoV-2 #MMPMID33750821
  • Zhao H; To KKW; Lam H; Zhou X; Chan JF; Peng Z; Lee ACY; Cai J; Chan WM; Ip JD; Chan CC; Yeung ML; Zhang AJ; Chu AWH; Jiang S; Yuen KY
  • Nat Commun 2021[Mar]; 12 (1): 1517 PMID33750821show ga
  • Up to date, effective antivirals have not been widely available for treating COVID-19. In this study, we identify a dual-functional cross-linking peptide 8P9R which can inhibit the two entry pathways (endocytic pathway and TMPRSS2-mediated surface pathway) of SARS-CoV-2 in cells. The endosomal acidification inhibitors (8P9R and chloroquine) can synergistically enhance the activity of arbidol, a spike-ACE2 fusion inhibitor, against SARS-CoV-2 and SARS-CoV in cells. In vivo studies indicate that 8P9R or the combination of repurposed drugs (umifenovir also known as arbidol, chloroquine and camostat which is a TMPRSS2 inhibitor), simultaneously interfering with the two entry pathways of coronaviruses, can significantly suppress SARS-CoV-2 replication in hamsters and SARS-CoV in mice. Here, we use drug combination (arbidol, chloroquine, and camostat) and a dual-functional 8P9R to demonstrate that blocking the two entry pathways of coronavirus can be a promising and achievable approach for inhibiting SARS-CoV-2 replication in vivo. Cocktail therapy of these drug combinations should be considered in treatment trials for COVID-19.
  • |*COVID-19 Drug Treatment[MESH]
  • |*Drug Repositioning[MESH]
  • |Animals[MESH]
  • |Antiviral Agents/*pharmacology[MESH]
  • |COVID-19/virology[MESH]
  • |Chlorocebus aethiops[MESH]
  • |Chloroquine/pharmacology[MESH]
  • |Drug Discovery[MESH]
  • |Female[MESH]
  • |HEK293 Cells[MESH]
  • |Humans[MESH]
  • |Indoles/pharmacology[MESH]
  • |Mice[MESH]
  • |Mice, Inbred BALB C[MESH]
  • |Peptides/*pharmacology[MESH]
  • |SARS-CoV-2/*drug effects[MESH]
  • |Serine Endopeptidases/metabolism[MESH]
  • |Vero Cells[MESH]


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