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10.1038/s41467-020-20457-w

http://scihub22266oqcxt.onion/10.1038/s41467-020-20457-w
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33420022!7794309!33420022
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suck abstract from ncbi


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pmid33420022      Nat+Commun 2021 ; 12 (1): 134
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  • Host and viral determinants for efficient SARS-CoV-2 infection of the human lung #MMPMID33420022
  • Chu H; Hu B; Huang X; Chai Y; Zhou D; Wang Y; Shuai H; Yang D; Hou Y; Zhang X; Yuen TT; Cai JP; Zhang AJ; Zhou J; Yuan S; To KK; Chan IH; Sit KY; Foo DC; Wong IY; Ng AT; Cheung TT; Law SY; Au WK; Brindley MA; Chen Z; Kok KH; Chan JF; Yuen KY
  • Nat Commun 2021[Jan]; 12 (1): 134 PMID33420022show ga
  • Understanding the factors that contribute to efficient SARS-CoV-2 infection of human cells may provide insights on SARS-CoV-2 transmissibility and pathogenesis, and reveal targets of intervention. Here, we analyze host and viral determinants essential for efficient SARS-CoV-2 infection in both human lung epithelial cells and ex vivo human lung tissues. We identify heparan sulfate as an important attachment factor for SARS-CoV-2 infection. Next, we show that sialic acids present on ACE2 prevent efficient spike/ACE2-interaction. While SARS-CoV infection is substantially limited by the sialic acid-mediated restriction in both human lung epithelial cells and ex vivo human lung tissues, infection by SARS-CoV-2 is limited to a lesser extent. We further demonstrate that the furin-like cleavage site in SARS-CoV-2 spike is required for efficient virus replication in human lung but not intestinal tissues. These findings provide insights on the efficient SARS-CoV-2 infection of human lungs.
  • |*Virus Attachment[MESH]
  • |Angiotensin-Converting Enzyme 2/*metabolism[MESH]
  • |Animals[MESH]
  • |COVID-19/*pathology/*transmission[MESH]
  • |Caco-2 Cells[MESH]
  • |Cell Line, Tumor[MESH]
  • |Chlorocebus aethiops[MESH]
  • |Cricetinae[MESH]
  • |Furin/metabolism[MESH]
  • |HEK293 Cells[MESH]
  • |Heparitin Sulfate/metabolism[MESH]
  • |Humans[MESH]
  • |Intestinal Mucosa/metabolism[MESH]
  • |Intestines/virology[MESH]
  • |Lung/pathology/virology[MESH]
  • |SARS-CoV-2/physiology[MESH]
  • |Severe Acute Respiratory Syndrome/pathology[MESH]
  • |Sialic Acids/*metabolism[MESH]
  • |Spike Glycoprotein, Coronavirus/*metabolism[MESH]
  • |Vero Cells[MESH]
  • |Virus Internalization[MESH]


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