Article ; Online: Necroptosis does not drive disease pathogenesis in a mouse infective model of SARS-CoV-2 in vivo.
2024 Volume 15, Issue 1, Page(s) 100
Abstract: Necroptosis, a type of lytic cell death executed by the pseudokinase Mixed Lineage Kinase Domain-Like (MLKL) has been implicated in the detrimental inflammation caused by SARS-CoV-2 infection. We minimally and extensively passaged a single clinical SARS- ... ...
Abstract | Necroptosis, a type of lytic cell death executed by the pseudokinase Mixed Lineage Kinase Domain-Like (MLKL) has been implicated in the detrimental inflammation caused by SARS-CoV-2 infection. We minimally and extensively passaged a single clinical SARS-CoV-2 isolate to create models of mild and severe disease in mice allowing us to dissect the role of necroptosis in SARS-CoV-2 disease pathogenesis. We infected wild-type and MLKL-deficient mice and found no significant differences in viral loads or lung pathology. In our model of severe COVID-19, MLKL-deficiency did not alter the host response, ameliorate weight loss, diminish systemic pro-inflammatory cytokines levels, or prevent lethality in aged animals. Our in vivo models indicate that necroptosis is dispensable in the pathogenesis of mild and severe COVID-19. |
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MeSH term(s) | Animals ; Mice ; SARS-CoV-2/metabolism ; Necroptosis/physiology ; Protein Kinases/metabolism ; COVID-19 ; Disease Models, Animal ; Receptor-Interacting Protein Serine-Threonine Kinases/metabolism |
Chemical Substances | Protein Kinases (EC 2.7.-) ; Receptor-Interacting Protein Serine-Threonine Kinases (EC 2.7.11.1) |
Language | English |
Publishing date | 2024-01-30 |
Publishing country | England |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 2541626-1 |
ISSN | 2041-4889 ; 2041-4889 |
ISSN (online) | 2041-4889 |
ISSN | 2041-4889 |
DOI | 10.1038/s41419-024-06471-6 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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