COVID-19 vakalarında DNA hasarı ve enflamasyon DOI Open Access
Gonca Gülbay, Atakan Savrun

Çukurova medical journal (Online)/Çukurova medical journal, Год журнала: 2022, Номер 47(3), С. 1073 - 1079

Опубликована: Сен. 20, 2022

Purpose: The aim of this study is to see oxidative DNA damage (8-OHdG), its relationship with inflammatory mediators (IL6 and TNFA), reflections on laboratory findings in patients who had COVID-19 infection at different intensities. Materials Methods: Serum interleukin-6 (IL6), tumor necrosis factor-alpha (TNFA), 8-hydroxy-2′-deoxyguanosine (8-OHdG) levels were measured using kits based the enzyme-linked immunosorbent assay (ELISA) principle. Results: In positive treated intensive care 8-OHdG marker level highest statistically significant. receiving inpatient treatment hospitalized, higher than control outpatient groups. IL6 values patient group unit There was no significant difference between groups terms TNFA values. Neutrophil-to-lymphocyte ratio (NLR) lower all C-reactive protein (CRP) hospitalized group. Lactate dehydrogenase (LDH) found be significantly outpatients. Conclusion: As severity increases, serum also increase. These parameters can guide diagnosis early stages disease course.

Язык: Английский

Aging mitochondria in the context of SARS-CoV-2: exploring interactions and implications DOI Creative Commons
M. Victoria Delpino, Jorge Quarleri

Frontiers in Aging, Год журнала: 2024, Номер 5

Опубликована: Сен. 24, 2024

The coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome 2 (SARS-CoV-2), has presented global challenges with a diverse clinical spectrum, including complications and systemic effects. This review explores the intricate relationship between mitochondrial dysfunction, aging, obesity in COVID-19. Mitochondria are vital for cellular energy provision resilience against age-related macromolecule damage accumulation. They manage allocation cells, activating adaptive responses stress signals such as redox imbalance innate immunity activation. As organisms age, function diminishes. Aging obesity, linked to compromise antiviral response, affecting release of interferons, worsening COVID-19 severity. Furthermore, development post-acute sequelae SARS-CoV-2 infection (PASC), also known long COVID been associated altered metabolism, chronic immune dysregulation derived from dysfunction. Understanding interplay mitochondria, viral infections provides insights into pathogenesis. Targeting health may offer potential therapeutic strategies mitigate outcomes address long-term consequences infected individuals.

Язык: Английский

Процитировано

1

Membrane Blue Dual Protects Retinal Pigment Epithelium Cells/Ganglion Cells—Like through Modulation of Mitochondria Function DOI Creative Commons
Elena Grossini, Sakthipriyan Venkatesan, Micol Alkabes

и другие.

Biomedicines, Год журнала: 2022, Номер 10(11), С. 2854 - 2854

Опубликована: Ноя. 8, 2022

Although recent data highlight the greater protective effects exerted by Membrane Blue Dual (MBD), a precise analysis of mechanisms action is missing. We examined MBD with/without polyethylene glycol (PEG) on both human retinal pigment epithelial cells (ARPE-19) and ganglion cells-like (RGC-5) cultured in presence/absence ultraviolet B (UVB) treatment mitochondria function, oxidants, apoptosis. In ARPE-19/RGC-5 either treated or not with UVB, PEG were evaluated specific assays for viability, mitochondrial membrane potential reactive oxygen species (mitoROS) release. Annexin V was used to detect apoptosis, whereas trypan blue scratch assay proliferation/migration. physiologic conditions presence increased cell potential, proliferation migration ARPE-19 RGC-5 cells. general, than those caused without PEG. Our results suggest that, particular, safe effective dye vitreoretinal surgery through modulation function.

Язык: Английский

Процитировано

6

COVID-19 and silent hypoxemia in a minimal closed-loop model of the respiratory rhythm generator DOI Creative Commons
Casey O. Diekman, Peter J. Thomas, Christopher G. Wilson

и другие.

bioRxiv (Cold Spring Harbor Laboratory), Год журнала: 2023, Номер unknown

Опубликована: Апрель 19, 2023

Abstract Silent hypoxemia, or ‘happy hypoxia’, is a puzzling phenomenon in which patients who have contracted COVID-19 exhibit very low oxygen saturation (SaO 2 < 80%) but do not experience discomfort breathing. The mechanism by this blunted response to hypoxia occurs unknown. We previously shown that computational model (Diekman et al., 2017, J. Neurophysiol) of the respiratory neural network can be used test hypotheses focused on changes chemosensory inputs central pattern generator (CPG). hypothesize altered function at level carotid bodies and/or nucleus tractus solitarii are responsible for hypoxia. Here, we use our explore hypothesis altering properties gain representing sensing CPG. then vary other parameters and show carrying capacity most salient factor producing silent hypoxemia. call clinicians measure hematocrit as clinical index physiology infection.

Язык: Английский

Процитировано

1

COVID-19 vakalarında DNA hasarı ve enflamasyon DOI Open Access
Gonca Gülbay, Atakan Savrun

Çukurova medical journal (Online)/Çukurova medical journal, Год журнала: 2022, Номер 47(3), С. 1073 - 1079

Опубликована: Сен. 20, 2022

Purpose: The aim of this study is to see oxidative DNA damage (8-OHdG), its relationship with inflammatory mediators (IL6 and TNFA), reflections on laboratory findings in patients who had COVID-19 infection at different intensities. Materials Methods: Serum interleukin-6 (IL6), tumor necrosis factor-alpha (TNFA), 8-hydroxy-2′-deoxyguanosine (8-OHdG) levels were measured using kits based the enzyme-linked immunosorbent assay (ELISA) principle. Results: In positive treated intensive care 8-OHdG marker level highest statistically significant. receiving inpatient treatment hospitalized, higher than control outpatient groups. IL6 values patient group unit There was no significant difference between groups terms TNFA values. Neutrophil-to-lymphocyte ratio (NLR) lower all C-reactive protein (CRP) hospitalized group. Lactate dehydrogenase (LDH) found be significantly outpatients. Conclusion: As severity increases, serum also increase. These parameters can guide diagnosis early stages disease course.

Язык: Английский

Процитировано

1