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10.1126/science.abg2264

http://scihub22266oqcxt.onion/10.1126/science.abg2264
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34244417!7611482!34244417
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suck abstract from ncbi


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pmid34244417      Science 2021 ; 373 (6551): 231-236
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  • An isoform of Dicer protects mammalian stem cells against multiple RNA viruses #MMPMID34244417
  • Poirier EZ; Buck MD; Chakravarty P; Carvalho J; Frederico B; Cardoso A; Healy L; Ulferts R; Beale R; Reis e Sousa C
  • Science 2021[Jul]; 373 (6551): 231-236 PMID34244417show ga
  • In mammals, early resistance to viruses relies on interferons, which protect differentiated cells but not stem cells from viral replication. Many other organisms rely instead on RNA interference (RNAi) mediated by a specialized Dicer protein that cleaves viral double-stranded RNA. Whether RNAi also contributes to mammalian antiviral immunity remains controversial. We identified an isoform of Dicer, named antiviral Dicer (aviD), that protects tissue stem cells from RNA viruses-including Zika virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-by dicing viral double-stranded RNA to orchestrate antiviral RNAi. Our work sheds light on the molecular regulation of antiviral RNAi in mammalian innate immunity, in which different cell-intrinsic antiviral pathways can be tailored to the differentiation status of cells.
  • |*RNA Interference[MESH]
  • |Alternative Splicing[MESH]
  • |Animals[MESH]
  • |Brain/enzymology/virology[MESH]
  • |Cell Line[MESH]
  • |DEAD-box RNA Helicases/chemistry/*genetics/*metabolism[MESH]
  • |Humans[MESH]
  • |Immunity, Innate[MESH]
  • |Isoenzymes/chemistry/genetics/metabolism[MESH]
  • |Mice[MESH]
  • |Organoids/enzymology/virology[MESH]
  • |RNA Virus Infections/enzymology/immunology/virology[MESH]
  • |RNA Viruses/genetics/immunology/*physiology[MESH]
  • |RNA, Double-Stranded/metabolism[MESH]
  • |RNA, Small Interfering/metabolism[MESH]
  • |RNA, Viral/*metabolism[MESH]
  • |Ribonuclease III/chemistry/*genetics/*metabolism[MESH]
  • |SARS-CoV-2/genetics/immunology/physiology[MESH]
  • |Stem Cells/*enzymology/*virology[MESH]
  • |Virus Replication[MESH]
  • |Zika Virus Infection/enzymology/immunology/virology[MESH]


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