Pluto Bioinformatics

GSE150847: Generation of a Broadly Useful Model for COVID-19 Pathogenesis, Vaccination, and Treatment

Bulk RNA sequencing

COVID-19, caused by SARS-CoV-2, is a virulent pneumonia, with >4,000,000 confirmed cases worldwide and >280,000 deaths as of May 13, 2020. It is critical to develop and evaluate vaccines and therapeutic interventions as rapidly as possible. Mice, the ideal animal for such studies, are resistant to SARS-CoV-2. Here, we overcome this difficulty by exogenous delivery of human ACE2 with a replication-deficient adenovirus (Ad5-hACE2). Ad5-hACE2-sensitized mice developed pneumonia characterized by weight loss, severe pulmonary pathology, and high-titer virus replication in lungs. Type I interferon, T cells and, most importantly, signal transducer and activator of transcription 1 (STAT1) are critical for virus clearance and diminished disease in these mice. Ad5-hACE2-transduced mice enabled rapid assessments of a vaccine candidate, of human convalescent plasma, and of two antiviral therapies (poly I:C and remdesivir). In summary, we describe a murine model of broad and immediate utility to investigate COVID-19 pathogenesis, and to evaluate new therapies and vaccines. SOURCE: Jiangping He ( - Guangzhou Institutes of Biomedicine and Health (GIBH), CAS

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