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iScience . Multi-omics analysis of respiratory specimen characterizes baseline molecular determinants associated with SARS-CoV-2 outcome

tetano

Editor, Senior Moderator
iScience


. 2021 Aug 20;24(8):102823.
doi: 10.1016/j.isci.2021.102823. Epub 2021 Jul 9.
Multi-omics analysis of respiratory specimen characterizes baseline molecular determinants associated with SARS-CoV-2 outcome


Jaswinder Singh Maras[SUP] 1 [/SUP], Shvetank Sharma[SUP] 1 [/SUP], Adil Bhat[SUP] 1 [/SUP], Sheetalnath Rooge[SUP] 2 [/SUP], Reshu Aggrawal[SUP] 2 [/SUP], Ekta Gupta[SUP] 2 [/SUP], Shiv K Sarin[SUP] 1 3 [/SUP]



Affiliations

Abstract

Rapid diagnosis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection still remains a major challenge. A multi-omic approach was adopted to analyze the respiratory specimens of 20 SARS-CoV-2-positive, 20 negative and 15 H1N1 pdm 2009 positive cases. Increased basal level of MX1 (MX dynamin-like GTPase 1) and WARS (tryptophan-tRNA ligase) correlated with SARS-CoV-2 infection and its outcome. These markers were further validated in 200 suspects. MX1>30pg/ml and WARS>25ng/ml segregated virus positives [AUC = 94% CI: (0.91-0.97)] and severe patients [AUC>0.85%]. Our results documented significant increase in immune activation; metabolic reprograming and decrease in oxygen transport, wound healing and others linked proteins and metabolites in patients with coronavirus disease 2019 (COVID-19). Multi-omics profiling correlated with viremia and segregated asymptomatic patients with COVID-19. Additionally, we identified increased respiratory pathogens (Burkholderiales, Klebsiella pneumonia) and decreased lactobacillus salivarius (FDR<0.05) in COVID-19 specimens. In conclusion, increased basal MX1 and WARS levels correlates with SARS-CoV-2 infection and could aid in the identification of patient's predisposed to higher severity.

Keywords: Molecular biology; Virology.
 
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