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SARS-CoV-2 Infection Dysregulates the Metabolomic and Lipidomic Profiles of Serum #MMPMID33043283
Bruzzone C; Bizkarguenaga M; Gil-Redondo R; Diercks T; Arana E; Garcia de Vicuna A; Seco M; Bosch A; Palazon A; San Juan I; Lain A; Gil-Martinez J; Bernardo-Seisdedos G; Fernandez-Ramos D; Lopitz-Otsoa F; Embade N; Lu S; Mato JM; Millet O
iScience 2020[Oct]; 23 (10): 101645 PMID33043283show ga
COVID-19 is a systemic infection that exerts significant impact on the metabolism. Yet, there is little information on how SARS-CoV-2 affects metabolism. Using NMR spectroscopy, we measured the metabolomic and lipidomic serum profile from 263 (training cohort) + 135 (validation cohort) symptomatic patients hospitalized after positive PCR testing for SARS-CoV-2 infection. We also established the profiles of 280 persons collected before the coronavirus pandemic started. Principal-component analysis discriminated both cohorts, highlighting the impact that the infection has on overall metabolism. The lipidomic analysis unraveled a pathogenic redistribution of the lipoprotein particle size and composition to increase the atherosclerotic risk. In turn, metabolomic analysis reveals abnormally high levels of ketone bodies (acetoacetic acid, 3-hydroxybutyric acid, and acetone) and 2-hydroxybutyric acid, a readout of hepatic glutathione synthesis and marker of oxidative stress. Our results are consistent with a model in which SARS-CoV-2 infection induces liver damage associated with dyslipidemia and oxidative stress.