Proteomics

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Analysis of innate immune antagonism by SARS-CoV-2 reveals options for therapeutic immune modulation and differences to SARS-CoV


ABSTRACT: The novel coronavirus SARS-CoV-2 has rapidly caused a global pandemic, due to higher transmission rates and lower mortality than previous epidemic CoVs. Here, we systematically analysed changes in the proteome of HEK293 cells upon overexpression of key SARS-CoV-2 encoded proteins and compared them to changes upon SARS-CoV-2 infection.

INSTRUMENT(S): timsTOF Pro

ORGANISM(S): Homo Sapiens (human) Severe Acute Respiratory Syndrome Coronavirus 2

DISEASE(S): Severe Acute Respiratory Syndrome Coronavirus 2

SUBMITTER: Ignasi Forne  

LAB HEAD: Prof. Dr. Axel Imhof

PROVIDER: PXD021899 | Pride | 2021-06-23

REPOSITORIES: Pride

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Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) evades most innate immune responses but may still be vulnerable to some. Here, we systematically analyze the impact of SARS-CoV-2 proteins on interferon (IFN) responses and autophagy. We show that SARS-CoV-2 proteins synergize to counteract anti-viral immune responses. For example, Nsp14 targets the type I IFN receptor for lysosomal degradation, ORF3a prevents fusion of autophagosomes and lysosomes, and ORF7a interferes with autophagos  ...[more]

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