Assessment of Oxidative Stress Parameters in Iraqi Male Patients with Covid-19; A Case Control Study
Zainab Nazar, Hasan Anber, Basil Oied Saleh, Riyadh Hassan Majed
Background: SARS-CoV-2 infection can cause significant alterations in our lives. Oxidative stress (OS) has been proposed to play a major role in COVID-19 pathogenesis, and the determination of OS biomarkers provides insight into disease severity. Methods: The study was conducted during the second wave of the pandemic in 2020. Fifty blood samples were collected from patients admitted to one of the COVID-19 isolation centers in Baghdad, Iraq. The samples were subdivided into 25 patients admitted to the intensive care unit (ICU) and 25 non-ICU patients, compared to 25 healthy controls. All participants were aged 35-52 years.
Results: The study showed that the mean (±SD) serum total oxidant status (TOS) and malondialdehyde (MDA) levels were significantly increased (p< 0.001) in the ICU group compared to the control and non-ICU groups. Conversely, the levels of serum total antioxidant capacity (TAC) and serum antioxidative enzymes superoxide dismutase (SOD), glutathione peroxidase (GPX), catalase, and glutathione (GSH) were significantly decreased (p< 0.001) in the ICU group compared to both the control and non-ICU groups. Serum zinc levels were significantly decreased (p< 0.001) in both ICU and non-ICU groups compared to the control group, while serum selenium (Se), copper (Cu), and vitamins C and E were significantly decreased (p< 0.001) in the ICU group compared to both the control and non-ICU groups.
Conclusion: The presence of OS biomarkers in the sera of COVID-19 patients offers a potential new approach for the treatment of this disease.
Ethical Information and conflict of interest The entire work had permitted by the Ethical Committees of local authorities. All participants provided an inscribed informed consent, and the research had conducted in line with the ethical morals identified in the 1975 treaty of Helsinki. The authors declare no potential conflicts of interest related to the present research.
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