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10.1016/j.virusres.2020.198154

http://scihub22266oqcxt.onion/10.1016/j.virusres.2020.198154
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suck abstract from ncbi


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pmid32918944      Virus+Res 2020 ; 289 (ä): 198154
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  • SARS-CoV-2 host tropism: An in silico analysis of the main cellular factors #MMPMID32918944
  • Rangel HR; Ortega JT; Maksoud S; Pujol FH; Serrano ML
  • Virus Res 2020[Nov]; 289 (ä): 198154 PMID32918944show ga
  • Recent reports have shown that small and big felines could be infected by SARS-CoV-2, while other animals, like swines and mice, are apparently not susceptible to this infection. These findings raise the question of the role of cell factors associated with early stages of the viral infection in host selectivity. The cellular receptor for SARS-CoV-2 is the Angiotensin Converting Enzyme (ACE2). Transmembrane protease serine 2 (TMPRSS2) has been shown to prime the viral spike for its interaction with its receptor. GRP78 has also been proposed as a possible co-receptor. In this study, we used several bioinformatics approaches to bring clues in the interaction of ACE2, TMPRSS2, and GRP78 with SARS-CoV-2. We selected several mammalian hosts that could play a key role in viral spread by acting as secondary hosts (cats, dogs, pigs, mice, and ferrets) and evaluated their predicted permissiveness by in silico analysis. Results showed that ionic pairs (salt bridges, N-O pair, and long-range interactions) produced between ACE2 and the viral spike has an essential function in the host interaction. On the other hand, TMPRSS2 and GRP78 are proteins with high homology in all the evaluated hosts. Thus, these proteins do not seem to play a role in host selectivity, suggesting that other factors may play a role in the non-permissivity in some of these hosts. These proteins represent however interesting cell targets that could be explored in order to control the virus replication in humans and in the intermediary hosts.
  • |*Viral Tropism[MESH]
  • |Amino Acid Sequence[MESH]
  • |Angiotensin-Converting Enzyme 2[MESH]
  • |Animals[MESH]
  • |Antiviral Agents/pharmacology[MESH]
  • |Benzamidines[MESH]
  • |Betacoronavirus/*physiology[MESH]
  • |COVID-19[MESH]
  • |Cats[MESH]
  • |Coronavirus Infections/*virology[MESH]
  • |Dogs[MESH]
  • |Endoplasmic Reticulum Chaperone BiP[MESH]
  • |Ferrets[MESH]
  • |Guanidines/pharmacology[MESH]
  • |Heat-Shock Proteins/*chemistry/metabolism[MESH]
  • |Humans[MESH]
  • |Mammals/*metabolism[MESH]
  • |Mice[MESH]
  • |Models, Molecular[MESH]
  • |Molecular Docking Simulation[MESH]
  • |Pandemics[MESH]
  • |Peptidyl-Dipeptidase A/*chemistry/metabolism[MESH]
  • |Pneumonia, Viral/*virology[MESH]
  • |Protein Conformation[MESH]
  • |Receptors, Virus/*chemistry/metabolism[MESH]
  • |SARS-CoV-2[MESH]
  • |Sequence Alignment[MESH]
  • |Sequence Homology, Amino Acid[MESH]
  • |Serine Endopeptidases/*chemistry/metabolism[MESH]
  • |Species Specificity[MESH]
  • |Spike Glycoprotein, Coronavirus/*metabolism[MESH]
  • |Swine[MESH]
  • |Virus Attachment[MESH]


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