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Published on: July 7, 2014
Redox imbalance in COVID-19 pathophysiology
Nairrita Majumder1, Vishal Deepak2, Sarah Hadique2
1Department of Physiology and Pharmacology, School of Medicine, West Virginia University, Morgantown, WV, USA.
COVID-19 infection causes significant redox imbalance, increasing free radicals and inflammatory markers. Understanding these oxidative stress pathways is crucial for developing effective COVID-19 treatments.
Area of Science:
- Biochemistry
- Immunology
- Infectious Diseases
Background:
- Redox imbalance is implicated in COVID-19 pathophysiology.
- Comprehensive understanding of redox parameters in COVID-19 is needed.
Purpose of the Study:
- To investigate redox-related parameters in COVID-19 patients.
- To assess the association between redox parameters and clinical outcomes.
Main Methods:
- Serum multiplex assays and mRNA sequencing were performed on COVID-19 and control subjects.
- Oxidant/antioxidant levels were measured using EPR spectroscopy, nitrite-nitrate assay, and ORAC assay.
- Multivariate analyses evaluated the predictive potential of parameters for clinical outcomes.
Main Results:
- COVID-19 patients exhibited elevated inflammatory and vascular markers, particularly in ICU admissions.
- Increased free radical production and uric acid reduction were observed in COVID-19 subjects.
- VCAM-1, ICAM-1, and specific oxidants were associated with mortality, while IL-17c and TSLP predicted ICU need.
Conclusions:
- COVID-19 infection causes significant redox imbalance.
- Targeting oxidative stress pathways offers potential therapeutic strategies for COVID-19.
- Further research is needed to identify specific oxidants for targeted therapies.
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