Targeted Down Regulation Of Core Mitochondrial Genes During SARS-CoV-2 Infection

Date
2022-02-22
Authors
Wurtele, Eve
Guarnieri, Joseph W.
Saravia-Butler, Amanda
Singh, Urminder
Wurtele, Eve Syrkin
Beheshti, Afshin
Wallace, Douglas C.
et al.
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Genetics, Development and Cell Biology
Abstract
Defects in mitochondrial oxidative phosphorylation (OXPHOS) have been reported in COVID-19 patients, but the timing and organs affected vary among reports. Here, we reveal the dynamics of COVID-19 through transcription profiles in nasopharyngeal and autopsy samples from patients and infected rodent models. While mitochondrial bioenergetics is repressed in the viral nasopharyngeal portal of entry, it is up regulated in autopsy lung tissues from deceased patients. In most disease stages and organs, discrete OXPHOS functions are blocked by the virus, and this is countered by the host broadly up regulating unblocked OXPHOS functions. No such rebound is seen in autopsy heart, results in severe repression of genes across all OXPHOS modules. Hence, targeted enhancement of mitochondrial gene expression may mitigate the pathogenesis of COVID-19.
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This preprint is made available through bioRxiv at doi:10.1101/2022.02.19.481089. Works produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted.
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