SARS-CoV-2 Nsp6 causes cardiac defects through MGA/MAX complex-mediated increased glycolysis DOI Creative Commons
Junyi Zhu, Guanglei Wang,

Xiaohu Huang

et al.

Research Square (Research Square), Journal Year: 2022, Volume and Issue: unknown

Published: June 6, 2022

Abstract SARS-CoV-2 infection causes COVID-19, a severe acute respiratory disease associated with cardiovascular complications including long-term outcomes. The presence of virus in cardiac tissue patients COVID-19 suggests this is direct, rather than secondary, effect infection. By expressing individual proteins the Drosophila heart we demonstrated interaction Nsp6 host MGA/MAX complex (MGA, PCGF6 and TFDP1). Complementing transcriptomic data from fly revealed that blocks antagonistic complex, which shifts balance towards MYC/MAX activates glycolysis—with similar findings mouse cardiomyocytes. Further, Nsp6-induced glycolysis disrupted mitochondrial function, known to increase reactive oxygen species (ROS) failure; could explain COVID-19-associated pathology. Furthermore, inhibiting pathway by 2-deoxy-D-glucose (2DG) treatment attenuated phenotype mice; thus, suggesting as potential pharmacological target for treating failure.

Language: Английский

Glutathione: A Samsonian life-sustaining small molecule that protects against oxidative stress, ageing and damaging inflammation DOI Creative Commons
Carlos A. Labarrere, Ghassan S. Kassab

Frontiers in Nutrition, Journal Year: 2022, Volume and Issue: 9

Published: Nov. 1, 2022

Many local and systemic diseases especially that are leading causes of death globally like chronic obstructive pulmonary disease, atherosclerosis with ischemic heart disease stroke, cancer severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causing 19 (COVID-19), involve both, (1) oxidative stress excessive production reactive oxygen species (ROS) lower glutathione (GSH) levels, (2) inflammation. The GSH tripeptide (γ- L-glutamyl-L-cysteinyl-glycine), the most abundant water-soluble non-protein thiol in cell (1–10 mM) is fundamental for life by (a) sustaining adequate redox signaling needed to maintain physiologic levels control processes, (b) limiting tissue damage. activity facilitated activation Kelch-like ECH-associated protein 1 (Keap1)-Nuclear factor erythroid 2-related (Nrf2)-antioxidant response element (ARE) regulator pathway, releasing Nrf2 regulates expression genes controlling antioxidant, inflammatory immune system responses. exists thiol-reduced (>98% total GSH) disulfide-oxidized (GSSG) forms, concentrations GSSG their molar ratio indicators functionality cell. depletion may play a central role COVID-19 pathophysiology, host severity mortality. Therapies enhancing could become cornerstone reduce fatal outcomes increasing prevent subdue these diseases. value makes paramount research field biology medicine be key against inflammation SARS-CoV-2 infection disease. In this review, we emphasize on as risk (ischemic stroke), importance antioxidants (3) significance counteract persistent damaging inflammation, inflammaging early (premature) associated damage caused lack antioxidant defenses younger individuals, (4) new therapies include restoration.

Language: Английский

Citations

72

Targeting immunometabolism against acute lung injury DOI Open Access

Li Ning,

Zou Shishi,

Bo Wang

et al.

Clinical Immunology, Journal Year: 2023, Volume and Issue: 249, P. 109289 - 109289

Published: March 12, 2023

Language: Английский

Citations

43

The Role of Macrophages and Alveolar Epithelial Cells in the Development of ARDS DOI Open Access
Huan Tao, Younian Xu, Shihai Zhang

et al.

Inflammation, Journal Year: 2022, Volume and Issue: 46(1), P. 47 - 55

Published: Sept. 1, 2022

Language: Английский

Citations

39

Glutathione deficiency in the pathogenesis of SARS-CoV-2 infection and its effects upon the host immune response in severe COVID-19 disease DOI Creative Commons
Carlos A. Labarrere, Ghassan S. Kassab

Frontiers in Microbiology, Journal Year: 2022, Volume and Issue: 13

Published: Oct. 6, 2022

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that causes disease 19 (COVID-19) has numerous risk factors leading to severe with high mortality rate. Oxidative stress excessive production of reactive oxygen species (ROS) lower glutathione (GSH) levels seems be a common pathway associated the COVID-19 mortality. GSH is unique small but powerful molecule paramount for life. It sustains adequate redox cell signaling since physiologic level oxidative fundamental controlling life processes via signaling, oxidation and tissue damage. The water-soluble tripeptide (γ-L-glutamyl-L-cysteinyl-glycine) present in cytoplasm all cells. at 1–10 mM concentrations mammalian tissues (highest concentration liver) as most abundant non-protein thiol protects against stress. also activates Kelch-like ECH-associated protein 1 (Keap1)-Nuclear factor erythroid 2-related (Nrf2)-antioxidant response element (ARE) regulator pathway, releasing Nrf2 regulate expression genes control antioxidant, inflammatory immune system responses, facilitating activity. exists thiol-reduced disulfide-oxidized (GSSG) forms. Reduced prevailing form accounting >98% total GSH. GSSG their molar ratio are indicators functionality its alteration related various human pathological including COVID-19. plays prominent role SARS-CoV-2 infection following recognition viral S-protein by angiotensin converting enzyme-2 receptor pattern receptors like toll-like 4, activation transcription nuclear kappa B, subsequently activate nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX) succeeded ROS production. depletion may have pathophysiology, host severity Therapies enhancing could become cornerstone reduce fatal outcomes increasing prevent subdue disease. value makes research field biology medicine key

Language: Английский

Citations

36

SARS-CoV-2 Nsp6 damages Drosophila heart and mouse cardiomyocytes through MGA/MAX complex-mediated increased glycolysis DOI Creative Commons
Jun‐yi Zhu, Guanglei Wang, Xiaohu Huang

et al.

Communications Biology, Journal Year: 2022, Volume and Issue: 5(1)

Published: Sept. 30, 2022

Abstract SARS-CoV-2 infection causes COVID-19, a severe acute respiratory disease associated with cardiovascular complications including long-term outcomes. The presence of virus in cardiac tissue patients COVID-19 suggests this is direct, rather than secondary, effect infection. Here, by expressing individual proteins the Drosophila heart, we demonstrate interaction Nsp6 host MGA/MAX complex (MGA, PCGF6 and TFDP1). Complementing transcriptomic data from fly heart reveal that blocks antagonistic complex, which shifts balance towards MYC/MAX activates glycolysis—with similar findings mouse cardiomyocytes. Further, -induced glycolysis disrupts mitochondrial function, known to increase reactive oxygen species (ROS) failure; could explain COVID-19-associated pathology. Inhibiting pathway 2-deoxy-D-glucose (2DG) treatment attenuates phenotype flies mice. These point as potential pharmacological target for treating failure.

Language: Английский

Citations

26

Metabolism of NK cells during viral infections DOI Creative Commons

Kenia Y. Osuna-Espinoza,

Adrián G. Rosas-Taraco

Frontiers in Immunology, Journal Year: 2023, Volume and Issue: 14

Published: Jan. 18, 2023

Cellular metabolism is essential for the correct function of immune system cells, including Natural Killer cells (NK). These depend on energy to carry out their effector functions, especially in early stages viral infection. NK participate innate response against viruses and tumors. Their main functions are cytotoxicity cytokine production. Metabolic changes can impact intracellular signals, molecule production, secretion, cell activation which as first line defense. variations different a tumor or pathogen infection have been described; however, little known about context This review summarizes activation-specific metabolic immunometabolism during early, late, chronic antiviral responses, alterations SARS-CoV2 The modulation points these routes also discussed explore potential new immunotherapies infections.

Language: Английский

Citations

13

Long COVID: General Perceptions and Challenges in Diagnosis and Management DOI Creative Commons

Katia Ozanic,

Aripuanã Sakurada Aranha Watanabe,

Andre Machado

et al.

COVID, Journal Year: 2025, Volume and Issue: 5(3), P. 41 - 41

Published: March 12, 2025

On 11 March 2020, the World Health Organization (WHO) declared a pandemic caused by SARS-CoV-2, raising global health concerns. Reports of persistent and new symptoms following acute phase infection highlighted complexities recovery prompted investigation what is now termed long COVID. Officially recognized WHO in October 2021, COVID presents various implications, though terminology—such as post-COVID syndrome post-acute sequelae COVID-19 (PASC)—remains inconsistent, complicating diagnostic standardization. Long affects an estimated 10% to 30% SARS-CoV-2-infected individuals, with common including fatigue, dyspnea, cognitive dysfunction, joint pain, all which significantly impair quality life. Public perception influenced factors like education history, while misinformation stigma hinder accurate diagnosis treatment. The absence biomarkers overlap other post-viral syndromes further complicate clinical recognition. Experts emphasize need for refined criteria integrated strategies combining biomedical research, public policy, educational initiatives improve management, address healthcare inequalities, mitigate impacts This review unveils state art knowledge gaps encourage discussion, aim achieving better decision-making awareness related

Language: Английский

Citations

0

Immunometabolic Signature during Respiratory Viral Infection: A Potential Target for Host-Directed Therapies DOI Creative Commons
Larissa Menezes dos Reis, Marcelo Rodrigues Berçot, Bianca Gazieri Castelucci

et al.

Viruses, Journal Year: 2023, Volume and Issue: 15(2), P. 525 - 525

Published: Feb. 13, 2023

RNA viruses are known to induce a wide variety of respiratory tract illnesses, from simple colds the latest coronavirus pandemic, causing effects on public health and economy worldwide. Influenza virus (IV), parainfluenza (PIV), metapneumovirus (MPV), syncytial (RSV), rhinovirus (RhV), (CoV) some most notable viruses. Despite efforts, due high mutation rate, there still no effective scalable treatments that accompany rapid emergence new diseases associated with Host-directed therapies have been applied combat infections by interfering host cell factors enhance ability immune cells respond against those pathogens. The reprogramming metabolism has recently emerged as central mechanism in orchestrated immunity Therefore, understanding metabolic signature during infection may be promising tool for developing host-directed therapies. In this review, we revisit recent findings immunometabolic modulation response discuss how these pathways used targets illnesses caused

Language: Английский

Citations

7

Using Machine Learning Methods in Identifying Genes Associated with COVID-19 in Cardiomyocytes and Cardiac Vascular Endothelial Cells DOI Creative Commons
Yaochen Xu,

Qinglan Ma,

Jingxin Ren

et al.

Life, Journal Year: 2023, Volume and Issue: 13(4), P. 1011 - 1011

Published: April 14, 2023

Corona Virus Disease 2019 (COVID-19) not only causes respiratory system damage, but also imposes strain on the cardiovascular system. Vascular endothelial cells and cardiomyocytes play an important role in cardiac function. The aberrant expression of genes vascular can lead to diseases. In this study, we sought explain influence syndrome coronavirus 2 (SARS-CoV-2) infection gene levels cardiomyocytes. We designed advanced machine learning-based workflow analyze profile data from patients with COVID-19 healthy controls. An incremental feature selection method a decision tree was used building efficient classifiers summarizing quantitative classification rules. Some key genes, such as MALAT1, MT-CO1, CD36, were extracted, which exert effects function, matrix 104,182 cardiomyocytes, including 12,007 92,175 controls, 22,438 cells, 10,812 11,626 findings reported study may provide insights into effect further pathogenesis COVID-19, they facilitate identification potential therapeutic targets.

Language: Английский

Citations

2

Improving Mitochondrial Function in Viral Infection: Targeting Cellular Metabolism DOI Creative Commons
Brydie R. Huckestein, John F. Alcorn

American Journal of Respiratory Cell and Molecular Biology, Journal Year: 2022, Volume and Issue: 66(6), P. 598 - 600

Published: April 20, 2022

Language: Английский

Citations

3