An Interplay between Oxidative Stress Mediates COVID-19 Severity Defined by Routine Clinical Markers

Viral infections activate the innate immune response and the secretion of inflammatory cytokines. They also alter oxidative stress markers, which potentially can have an involvement in the pathogenesis of the disease. The aim of this research was to study the role of the oxidative stress process ass...

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Published in:Antioxidants 2023-01, Vol.12 (2)
Main Authors: Alonso-Bernáldez, Marta, Cuevas-Sierra, Amanda, Micó, Víctor, Higuera-Gómez, Andrea, Ramos-Lopez, Omar, Daimiel, Lidia, Dávalos, Alberto, Martínez-Urbistondo, María, Moreno-Torres, Víctor, Ramirez de Molina, Ana, Vargas, Juan Antonio, Ma
Format: Article
Language:English
Subjects:
Development and progression
Diagnosis
Erythrocytes
Health aspects
Inflammation
Lactate dehydrogenase
Measurement
Medical research
Medicine, Experimental
Oxidative stress
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Summary:Viral infections activate the innate immune response and the secretion of inflammatory cytokines. They also alter oxidative stress markers, which potentially can have an involvement in the pathogenesis of the disease. The aim of this research was to study the role of the oxidative stress process assessed through lactate dehydrogenase (LDH) on the severity of COVID-19 measured by oxygen saturation (SaO[sub.2]) and the putative interaction with inflammation. The investigation enrolled 1808 patients (mean age of 68 and 60% male) with COVID-19 from the HM Hospitals database. To explore interactions, a regression model and mediation analyses were performed. The patients with lower SaO[sub.2] presented lymphopenia and higher values of neutrophils-to-lymphocytes ratio and on the anisocytosis coefficient. The regression model showed an interaction between LDH and anisocytosis, suggesting that high levels of LDH (>544 U/L) and an anisocytosis coefficient higher than 10% can impact SaO[sub.2] in COVID-19 patients. Moreover, analysis revealed that LDH mediated 41% (p value = 0.001) of the effect of anisocytosis on SaO[sub.2] in this cohort. This investigation revealed that the oxidative stress marker LDH and the interaction with anisocytosis have an important role in the severity of COVID-19 infection and should be considered for the management and treatment of the oxidative phenomena concerning this within a precision medicine strategy.
ISSN:2076-3921
2076-3921
DOI:10.3390/antiox12020234