1. Redox Homeostasis Alteration Is Restored through Melatonin Treatment in COVID-19 Patients: A Preliminary Study.
- Author
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Soto ME, Pérez-Torres I, Manzano-Pech L, Palacios-Chavarría A, Valdez-Vázquez RR, Guarner-Lans V, Soria-Castro E, Díaz-Díaz E, and Castrejón-Tellez V
- Subjects
- Humans, Male, Female, Middle Aged, Lipid Peroxidation drug effects, Aged, Adult, Reactive Oxygen Species metabolism, Glutathione metabolism, Glutathione blood, Melatonin therapeutic use, Melatonin pharmacology, Oxidation-Reduction drug effects, COVID-19 metabolism, COVID-19 virology, COVID-19 blood, Homeostasis drug effects, Antioxidants metabolism, Antioxidants therapeutic use, Oxidative Stress drug effects, COVID-19 Drug Treatment, SARS-CoV-2 drug effects
- Abstract
Type II pneumocytes are the target of the SARS-CoV-2 virus, which alters their redox homeostasis to increase reactive oxygen species (ROS). Melatonin (MT) has antioxidant proprieties and protects mitochondrial function. In this study, we evaluated whether treatment with MT compensated for the redox homeostasis alteration in serum from COVID-19 patients. We determined oxidative stress (OS) markers such as carbonyls, glutathione (GSH), total antioxidant capacity (TAC), thiols, nitrites (NO
2 - ), lipid peroxidation (LPO), and thiol groups in serum. We also studied the enzymatic activities of glutathione peroxidase (GPx), glutathione-S-transferase (GST), reductase (GR), thioredoxin reductase (TrxR), extracellular superoxide dismutase (ecSOD) and peroxidases. There were significant increases in LPO and carbonyl quantities ( p ≤ 0.03) and decreases in TAC and the quantities of NO2 - ≤ 0.04) after the MT treatment. The treatment with MT favored the activity of the antioxidant enzymes that contributed to an increase in TAC and restored the lost redox homeostasis. MT also modulated glucose homeostasis, functioning as a glycolytic agent, and inhibited the Warburg effect. Thus, MT restores the redox homeostasis that is altered in COVID-19 patients and can be used as adjuvant therapy in SARS-CoV-2 infection.p < 0.001) in COVID-19 patients. The activities of the antioxidant enzymes such as ecSOD, TrxR, GPx, GST, GR, and peroxidases were decreased ( p ≤ 0.04) after the MT treatment. The treatment with MT favored the activity of the antioxidant enzymes that contributed to an increase in TAC and restored the lost redox homeostasis. MT also modulated glucose homeostasis, functioning as a glycolytic agent, and inhibited the Warburg effect. Thus, MT restores the redox homeostasis that is altered in COVID-19 patients and can be used as adjuvant therapy in SARS-CoV-2 infection.- Published
- 2024
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