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Abstract
Coronavirus Disease-19 (COVID-19) pandemic is caused by SARS-CoV-2 that has infected more than 600 million people and killed more than 6 million people worldwide. This infection affects mainly certain groups of people that have high susceptibility to present severe COVID-19 due to comorbidities. Moreover, the long-COVID-19 comprises a series of symptoms that may remain in some patients for months after infection that further compromises their health. Thus, since this pandemic is profoundly affecting health, economy, and social life of societies, a deeper understanding of viral replication cycle could help to envisage novel therapeutic alternatives that limit or stop COVID-19. Several findings have unexpectedly discovered that mitochondria play a critical role in SARS-CoV-2 cell infection. Indeed, it has been suggested that this organelle could be the origin of its replication niches, the double membrane vesicles (DMV). In this regard, mitochondria derived vesicles (MDV), involved in mitochondria quality control, discovered almost 15 years ago, comprise a subpopulation characterized by a double membrane. MDV shedding is induced by mitochondrial stress, and it has a fast assembly dynamic, reason that perhaps has precluded their identification in electron microscopy or tomography studies. These and other features of MDV together with recent SARS-CoV-2 protein interactome and other findings link SARS-CoV-2 to mitochondria and support that these vesicles are the precursors of SARS-CoV-2 induced DMV. In this work, the morphological, biochemical, molecular, and cellular evidence that supports this hypothesis is reviewed and integrated into the current model of SARS-CoV-2 cell infection. In this scheme, some relevant questions are raised as pending topics for research that would help in the near future to test this hypothesis. The intention of this work is to provide a novel framework that could open new possibilities to tackle SARS-CoV-2 pandemic through mitochondria and DMV targeted therapies.
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Affiliation(s)
- Pavel Montes de Oca-B
- Neurociencia Cognitiva, Instituto de Fisiologia-UNAM, CDMX, CDMX, 04510, Mexico
- Unidad de Neurobiologia Dinamica, Instituto Nacional de Neurologia y Neurocirugia, CDMX, CDMX, 14269, Mexico
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López-Ayllón BD, Marin S, Fernández MF, García-García T, Fernández-Rodríguez R, de Lucas-Rius A, Redondo N, Mendoza-García L, Foguet C, Grigas J, Calvet A, Villalba JM, Gómez MJR, Megías D, Mandracchia B, Luque D, Lozano JJ, Calvo C, Herrán UM, Thomson TM, Garrido JJ, Cascante M, Montoya M. Metabolic and mitochondria alterations induced by SARS-CoV-2 accessory proteins ORF3a, ORF9b, ORF9c and ORF10. J Med Virol 2024; 96:e29752. [PMID: 38949191 DOI: 10.1002/jmv.29752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 06/07/2024] [Accepted: 06/08/2024] [Indexed: 07/02/2024]
Abstract
Antiviral signaling, immune response and cell metabolism are dysregulated by SARS-CoV-2, the causative agent of COVID-19. Here, we show that SARS-CoV-2 accessory proteins ORF3a, ORF9b, ORF9c and ORF10 induce a significant mitochondrial and metabolic reprogramming in A549 lung epithelial cells. While ORF9b, ORF9c and ORF10 induced largely overlapping transcriptomes, ORF3a induced a distinct transcriptome, including the downregulation of numerous genes with critical roles in mitochondrial function and morphology. On the other hand, all four ORFs altered mitochondrial dynamics and function, but only ORF3a and ORF9c induced a marked alteration in mitochondrial cristae structure. Genome-Scale Metabolic Models identified both metabolic flux reprogramming features both shared across all accessory proteins and specific for each accessory protein. Notably, a downregulated amino acid metabolism was observed in ORF9b, ORF9c and ORF10, while an upregulated lipid metabolism was distinctly induced by ORF3a. These findings reveal metabolic dependencies and vulnerabilities prompted by SARS-CoV-2 accessory proteins that may be exploited to identify new targets for intervention.
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Affiliation(s)
- Blanca D López-Ayllón
- Viral Immunology Lab, Molecular Biomedicine Department, BICS Unit. Margarita Salas Center for Biological Research (CIB-CSIC), Madrid, Spain
| | - Silvia Marin
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona (UB), Barcelona, Spain
- CIBER of Hepatic and Digestive Diseases (CIBEREHD), Institute of Health Carlos III (ISCIII), Madrid, Spain
- Institute of Biomedicine of University of Barcelona (IBUB), University of Barcelona (UB), Barcelona, Spain
| | - Marco Fariñas Fernández
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona (UB), Barcelona, Spain
- Department of Biomedical Laboratory Science, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Tránsito García-García
- Immunogenomics and Molecular Pathogenesis Group, UIC Zoonoses and Emergent Diseases ENZOEM, Department of Genetics, University of Córdoba, Córdoba, Spain
- Maimónides Biomedical Research, Institute of Córdoba (IMIBIC), Córdoba, Spain
| | - Raúl Fernández-Rodríguez
- Immunogenomics and Molecular Pathogenesis Group, UIC Zoonoses and Emergent Diseases ENZOEM, Department of Genetics, University of Córdoba, Córdoba, Spain
- Maimónides Biomedical Research, Institute of Córdoba (IMIBIC), Córdoba, Spain
| | - Ana de Lucas-Rius
- Viral Immunology Lab, Molecular Biomedicine Department, BICS Unit. Margarita Salas Center for Biological Research (CIB-CSIC), Madrid, Spain
| | - Natalia Redondo
- Unit of Infectious Diseases, University Hospital '12 de Octubre', Institute for Health Research Hospital '12 de Octubre' (imas12), Madrid, Spain
- Centre for Biomedical Research Network on Infectious Diseases (CIBERINFEC), Institute of Health Carlos III (ISCIII), Madrid, Spain
| | - Laura Mendoza-García
- Viral Immunology Lab, Molecular Biomedicine Department, BICS Unit. Margarita Salas Center for Biological Research (CIB-CSIC), Madrid, Spain
| | - Carles Foguet
- British Heart Foundation Cardiovascular Epidemiology Unit and Victor Phillip Dahdaleh Heart and Lung Research Institute, University of Cambridge, Cambridge, UK
| | - Juozas Grigas
- Laboratory of Immunology, Department of Anatomy and Physiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
- Institute of Microbiology and Virology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Alba Calvet
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona (UB), Barcelona, Spain
- Institute of Biomedicine of University of Barcelona (IBUB), University of Barcelona (UB), Barcelona, Spain
| | - José Manuel Villalba
- Department of Cell Biology, Physiology and Immunology, Agrifood Campus of International Excellence, University of Córdoba, Córdoba, Spain
| | - María Josefa Rodríguez Gómez
- Scientific-Technical Central Units, Instituto de Salud Carlos III (ISCIII), Majadahonda, Spain
- Centro de Biología Molecular "Severo Ochoa" (CSIC-UAM), Universidad Autónoma de Madrid, Madrid, Spain
| | - Diego Megías
- Scientific-Technical Central Units, Instituto de Salud Carlos III (ISCIII), Majadahonda, Spain
| | - Biagio Mandracchia
- Scientific-Technical Central Units, Instituto de Salud Carlos III (ISCIII), Majadahonda, Spain
- ETSI Telecommunication, University of Valladolid, Valladolid, Spain
| | - Daniel Luque
- Scientific-Technical Central Units, Instituto de Salud Carlos III (ISCIII), Majadahonda, Spain
- Electron Microscope Unit, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, Australia
- School of Biomedical Sciences, University of New South Wales, Sydney, Australia
| | - Juan José Lozano
- CIBER of Hepatic and Digestive Diseases (CIBEREHD), Institute of Health Carlos III (ISCIII), Madrid, Spain
| | - Cristina Calvo
- Barcelona Institute for Molecular Biology (IBMB-CSIC), Barcelona, Spain
| | - Unai Merino Herrán
- Viral Immunology Lab, Molecular Biomedicine Department, BICS Unit. Margarita Salas Center for Biological Research (CIB-CSIC), Madrid, Spain
| | - Timothy M Thomson
- CIBER of Hepatic and Digestive Diseases (CIBEREHD), Institute of Health Carlos III (ISCIII), Madrid, Spain
- Barcelona Institute for Molecular Biology (IBMB-CSIC), Barcelona, Spain
- Translational Research and Computational Biology Laboratory, Faculty of Science and Engineering, Peruvian University Cayetano Heredia, Lima, Perú
| | - Juan J Garrido
- Immunogenomics and Molecular Pathogenesis Group, UIC Zoonoses and Emergent Diseases ENZOEM, Department of Genetics, University of Córdoba, Córdoba, Spain
- Maimónides Biomedical Research, Institute of Córdoba (IMIBIC), Córdoba, Spain
| | - Marta Cascante
- Department of Biochemistry and Molecular Biomedicine, Faculty of Biology, Universitat de Barcelona (UB), Barcelona, Spain
- CIBER of Hepatic and Digestive Diseases (CIBEREHD), Institute of Health Carlos III (ISCIII), Madrid, Spain
- Institute of Biomedicine of University of Barcelona (IBUB), University of Barcelona (UB), Barcelona, Spain
| | - María Montoya
- Viral Immunology Lab, Molecular Biomedicine Department, BICS Unit. Margarita Salas Center for Biological Research (CIB-CSIC), Madrid, Spain
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3
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Rurek M. Mitochondria in COVID-19: from cellular and molecular perspective. Front Physiol 2024; 15:1406635. [PMID: 38974521 PMCID: PMC11224649 DOI: 10.3389/fphys.2024.1406635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/27/2024] [Indexed: 07/09/2024] Open
Abstract
The rapid development of the COVID-19 pandemic resulted in a closer analysis of cell functioning during β-coronavirus infection. This review will describe evidence for COVID-19 as a syndrome with a strong, albeit still underestimated, mitochondrial component. Due to the sensitivity of host mitochondria to coronavirus infection, SARS-CoV-2 affects mitochondrial signaling, modulates the immune response, modifies cellular energy metabolism, induces apoptosis and ageing, worsening COVID-19 symptoms which can sometimes be fatal. Various aberrations across human systems and tissues and their relationships with mitochondria were reported. In this review, particular attention is given to characterization of multiple alterations in gene expression pattern and mitochondrial metabolism in COVID-19; the complexity of interactions between SARS-CoV-2 and mitochondrial proteins is presented. The participation of mitogenome fragments in cell signaling and the occurrence of SARS-CoV-2 subgenomic RNA within membranous compartments, including mitochondria is widely discussed. As SARS-CoV-2 severely affects the quality system of mitochondria, the cellular background for aberrations in mitochondrial dynamics in COVID-19 is additionally characterized. Finally, perspectives on the mitigation of COVID-19 symptoms by affecting mitochondrial biogenesis by numerous compounds and therapeutic treatments are briefly outlined.
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Affiliation(s)
- Michał Rurek
- Department of Molecular and Cellular Biology, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznań, Poland
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Fang L, Kang X, Hong Q, Xue C, Pan L, Chen J, Tang C, Sun L, Xu X, Yuan J, Du Y, Xu A. Virological and Mitochondriopathogical Characteristics of the SARS-CoV-2 Omicron XBB.1.16 Spike. ACS APPLIED MATERIALS & INTERFACES 2024; 16:29716-29727. [PMID: 38814480 DOI: 10.1021/acsami.4c02798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
The emergence of XBB.1.16 has gained rapid global prominence. Previous studies have elucidated that the infection of SARS-CoV-2 induces alterations in the mitochondrial integrity of host cells, subsequently influencing the cellular response to infection. In this study, we compared the differences in infectivity and pathogenicity between XBB.1.16 and the parental Omicron sublineages BA.1 and BA.2 and assessed their impact on host mitochondria. Our findings suggest that, in comparison with BA.1 and BA.2, XBB.1.16 exhibits more efficient spike protein cleavage, more efficient mediating syncytia formation, mild mitochondriopathy, and less pathogenicity. Altogether, our investigations suggest that, based on the mutation of key sites, XBB.1.16 exhibited enhanced infectivity but lower pathogenicity. This will help us to further investigate the biological functions of key mutation sites.
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Affiliation(s)
- Liaoxin Fang
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
- Affiliated Huaihai Hospital of Xuzhou Medical University/71st Group Army Hospital of CPLA Army, Xuzhou 221004, Jiangsu,China
| | - Xiaofeng Kang
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Qian Hong
- Affiliated Huaihai Hospital of Xuzhou Medical University/71st Group Army Hospital of CPLA Army, Xuzhou 221004, Jiangsu,China
| | - Chunyuan Xue
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Lu Pan
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Jiaxin Chen
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Chuanhao Tang
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Liying Sun
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Xiaojie Xu
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - Jing Yuan
- Department of Bacteriology, Capital Institute of Pediatrics, Beijing 100020, China
| | - Yimeng Du
- Department of Genetic Engineering, Beijing Institute of Biotechnology, Beijing 100071, China
| | - An Xu
- Department of Oncology, The Second Medical Center of Chinese PLA General Hospital, Beijing 100853, China
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Li W, Li Y, Zhao J, Liao J, Wen W, Chen Y, Cui H. Release of damaged mitochondrial DNA: A novel factor in stimulating inflammatory response. Pathol Res Pract 2024; 258:155330. [PMID: 38733868 DOI: 10.1016/j.prp.2024.155330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 04/03/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024]
Abstract
Mitochondrial DNA (mtDNA) is a circular double-stranded genome that exists independently of the nucleus. In recent years, research on mtDNA has significantly increased, leading to a gradual increase in understanding of its physiological and pathological characteristics. Reactive oxygen species (ROS) and other factors can damage mtDNA. This damaged mtDNA can escape from the mitochondria to the cytoplasm or extracellular space, subsequently activating immune signaling pathways, such as NLR family pyrin domain protein 3 (NLRP3), and triggering inflammatory responses. Numerous studies have demonstrated the involvement of mtDNA damage and leakage in the pathological mechanisms underlying various diseases including infectious diseases, metabolic inflammation, and immune disorders. Consequently, comprehensive investigation of mtDNA can elucidate the pathological mechanisms underlying numerous diseases. The prevention of mtDNA damage and leakage has emerged as a novel approach to disease treatment, and mtDNA has emerged as a promising target for drug development. This article provides a comprehensive review of the mechanisms underlying mtDNA-induced inflammation, its association with various diseases, and the methods used for its detection.
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Affiliation(s)
- Wenting Li
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Yunnan 650500, China
| | - Yuting Li
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin 300193, China
| | - Jie Zhao
- Department of TCM Endocrinology, Yunnan Provincial Hospital of Traditional Chinese Medicine, Yunnan 650021, China
| | - Jiabao Liao
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Yunnan 650500, China
| | - Weibo Wen
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Yunnan 650500, China.
| | - Yao Chen
- Department of TCM Encephalopathy, Yunnan Provincial Hospital of Traditional Chinese Medicine, Yunnan 650021, China.
| | - Huantian Cui
- The First School of Clinical Medicine, Yunnan University of Chinese Medicine, Yunnan 650500, China.
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6
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Burtscher J, Pasha Q, Chanana N, Millet GP, Burtscher M, Strasser B. Immune consequences of exercise in hypoxia: A narrative review. JOURNAL OF SPORT AND HEALTH SCIENCE 2024; 13:297-310. [PMID: 37734549 PMCID: PMC11116970 DOI: 10.1016/j.jshs.2023.09.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 08/14/2023] [Accepted: 08/23/2023] [Indexed: 09/23/2023]
Abstract
Immune outcomes are key mediators of many health benefits of exercise and are determined by exercise type, dose (frequency/duration, intensity), and individual characteristics. Similarly, reduced availability of ambient oxygen (hypoxia) modulates immune functions depending on the hypoxic dose and the individual capacity to respond to hypoxia. How combined exercise and hypoxia (e.g., high-altitude training) sculpts immune responses is not well understood, although such combinations are becoming increasingly popular. Therefore, in this paper, we summarize the impact on immune responses of exercise and of hypoxia, both independently and together, with a focus on specialized cells in the innate and adaptive immune system. We review the regulation of the immune system by tissue oxygen levels and the overlapping and distinct immune responses related to exercise and hypoxia, then we discuss how they may be modulated by nutritional strategies. Mitochondrial, antioxidant, and anti-inflammatory mechanisms underlie many of the adaptations that can lead to improved cellular metabolism, resilience, and overall immune functions by regulating the survival, differentiation, activation, and migration of immune cells. This review shows that exercise and hypoxia can impair or complement/synergize with each other while regulating immune system functions. Appropriate acclimatization, training, and nutritional strategies can be used to avoid risks and tap into the synergistic potentials of the poorly studied immune consequences of exercising in a hypoxic state.
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Affiliation(s)
- Johannes Burtscher
- Institute of Sport Sciences, University of Lausanne, Lausanne 1015, Switzerland
| | - Qadar Pasha
- Institute of Hypoxia Research, New Delhi 110067, India
| | - Neha Chanana
- Department of Biochemistry, Jamia Hamdard, New Delhi 110062, India
| | - Grégoire P Millet
- Institute of Sport Sciences, University of Lausanne, Lausanne 1015, Switzerland
| | - Martin Burtscher
- Department of Sport Science, University of Innsbruck, Innsbruck 6020, Austria.
| | - Barbara Strasser
- Faculty of Medicine, Sigmund Freud Private University, Vienna 1020, Austria; Ludwig Boltzmann Institute for Rehabilitation Research, Vienna 1100, Austria
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Osei D, Baumgart-Vogt E, Ahlemeyer B, Herden C. Tumor Necrosis Factor-α Receptor 1 Mediates Borna Disease Virus 1-Induced Changes in Peroxisomal and Mitochondrial Dynamics in Neurons. Int J Mol Sci 2024; 25:1849. [PMID: 38339126 PMCID: PMC10855776 DOI: 10.3390/ijms25031849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 01/28/2024] [Accepted: 02/01/2024] [Indexed: 02/12/2024] Open
Abstract
Borna disease virus 1 (BoDV1) causes a persistent infection in the mammalian brain. Peroxisomes and mitochondria play essential roles in the cellular antiviral immune response, but the effect of BoDV1 infection on peroxisomal and mitochondrial dynamics and their respective antioxidant capacities is still not clear. Using different mouse lines-i.e., tumor necrosis factor-α transgenic (TNFTg; to pro-inflammatory status), TNF receptor-1 knockout (TNFR1ko), and TNFR2ko mice in comparison to wild-type (Wt) mice-we analyzed the abundances of both organelles and their main antioxidant enzymes, catalase and superoxide dismutase 2 (SOD2), in neurons of the hippocampal, cerebral, and cerebellar cortices. In TNFTg mice, a strong increase in mitochondrial (6.9-fold) and SOD2 (12.1-fold) abundances was detected; meanwhile, peroxisomal abundance increased slightly (1.5-fold), but that of catalase decreased (2.9-fold). After BoDV1 infection, a strong decrease in mitochondrial (2.1-6.5-fold), SOD2 (2.7-9.1-fold), and catalase (2.7-10.3-fold) abundances, but a slight increase in peroxisomes (1.3-1.6-fold), were detected in Wt and TNFR2ko mice, whereas no changes occurred in TNFR1ko mice. Our data suggest that the TNF system plays a crucial role in the biogenesis of both subcellular organelles. Moreover, TNFR1 signaling mediated the changes in peroxisomal and mitochondrial dynamics after BoDV1 infection, highlighting new mechanisms by which BoDV1 may achieve immune evasion and viral persistence.
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Affiliation(s)
- Dominic Osei
- Institute for Anatomy and Cell Biology, Justus Liebig University Giessen, 35392 Giessen, Germany; (D.O.); (E.B.-V.)
- Institute of Veterinary Pathology, Justus Liebig University Giessen, 35392 Giessen, Germany
| | - Eveline Baumgart-Vogt
- Institute for Anatomy and Cell Biology, Justus Liebig University Giessen, 35392 Giessen, Germany; (D.O.); (E.B.-V.)
| | - Barbara Ahlemeyer
- Institute for Anatomy and Cell Biology, Justus Liebig University Giessen, 35392 Giessen, Germany; (D.O.); (E.B.-V.)
| | - Christiane Herden
- Institute of Veterinary Pathology, Justus Liebig University Giessen, 35392 Giessen, Germany
- Center for Mind, Brain and Behavior, Justus Liebig University Giessen, 35392 Giessen, Germany
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Montenegro YHA, Bobermin LD, Sesterheim P, Salvato RS, Anschau F, de Oliveira MJS, Wyse ATS, Netto CA, Gonçalves CAS, Quincozes-Santos A, Leipnitz G. Serum of COVID-19 patients changes neuroinflammation and mitochondrial homeostasis markers in hippocampus of aged rats. J Neurovirol 2023; 29:577-587. [PMID: 37501054 DOI: 10.1007/s13365-023-01156-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/18/2023] [Accepted: 06/26/2023] [Indexed: 07/29/2023]
Abstract
Patients affected by COVID-19 present mostly with respiratory symptoms but acute neurological symptoms are also commonly observed. Furthermore, a considerable number of individuals develop persistent and often remitting symptoms months after infection, characterizing the condition called long-COVID. Since the pathophysiology of acute and persistent neurological manifestations is not fully established, we evaluated the expression of different genes in hippocampal slices of aged rats exposed to the serum of a post-COVID (sPC) individual and to the serum of patients infected by SARS-CoV-2 [Zeta (sZeta) and Gamma (sGamma) variants]. The expression of proteins related to inflammatory process, redox homeostasis, mitochondrial quality control and glial reactivity was determined. Our data show that the exposure to sPC, sZeta and sGamma differentially altered the mRNA levels of most inflammatory proteins and reduced those of antioxidant response markers in rat hippocampus. Furthermore, a decrease in the expression of mitochondrial biogenesis genes was induced by all serum samples, whereas a reduction in mitochondrial dynamics was only caused by sPC. Regarding the glial reactivity, S100B expression was modified by sPC and sZeta. These findings demonstrate that changes in the inflammatory response and a reduction of mitochondrial biogenesis and dynamics may contribute to the neurological damage observed in COVID-19 patients.
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Affiliation(s)
- Yorran Hardman A Montenegro
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil.
| | - Larissa Daniele Bobermin
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Patrícia Sesterheim
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
- Programa de Pós-Graduação em Ciências da Saúde: Cardiologia, Instituto de Cardiologia/ Fundação Universitária de Cardiologia, RS, Porto Alegre, Brazil
- Centro de Desenvolvimento Científico e Tecnológico, Centro Estadual de Vigilância em Saúde da Secretaria de Saúde do Estado do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Richard Steiner Salvato
- Centro de Desenvolvimento Científico e Tecnológico, Centro Estadual de Vigilância em Saúde da Secretaria de Saúde do Estado do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Fernando Anschau
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
- Setor de Pesquisa da Gerência de Ensino, Pesquisa e Inovação do Grupo Hospitalar Conceição (GHC), RS, Porto Alegre, Brazil
- Programa de Pós-Graduação em Avaliação de Tecnologias para o SUS do GHC, Porto Alegre, RS, Brazil
- Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Maria José Santos de Oliveira
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Angela T S Wyse
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Carlos Alexandre Netto
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Carlos-Alberto Saraiva Gonçalves
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - André Quincozes-Santos
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil
| | - Guilhian Leipnitz
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil.
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, RS, Porto Alegre, Brazil.
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9
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Proust A, Queval CJ, Harvey R, Adams L, Bennett M, Wilkinson RJ. Differential effects of SARS-CoV-2 variants on central nervous system cells and blood-brain barrier functions. J Neuroinflammation 2023; 20:184. [PMID: 37537664 PMCID: PMC10398935 DOI: 10.1186/s12974-023-02861-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 07/25/2023] [Indexed: 08/05/2023] Open
Abstract
BACKGROUND Although mainly causing a respiratory syndrome, numerous neurological symptoms have been identified following of SARS-CoV-2 infection. However, how the virus affects the brain and how the mutations carried by the different variants modulate those neurological symptoms remain unclear. METHODS We used primary human pericytes, foetal astrocytes, endothelial cells and a microglial cell line to investigate the effect of several SARS-CoV-2 variants of concern or interest on their functional activities. Cells and a 3D blood-brain barrier model were infected with the wild-type form of SARS-CoV-2, Alpha, Beta, Delta, Eta, or Omicron (BA.1) variants at various MOI. Cells and supernatant were used to evaluate cell susceptibility to the virus using a microscopic assay as well as effects of infection on (i) cell metabolic activity using a colorimetric MTS assay; (ii) viral cytopathogenicity using the xCELLigence system; (iii) extracellular glutamate concentration by fluorometric assay; and (iv) modulation of blood-brain barrier permeability. RESULTS We demonstrate that productive infection of brain cells is SARS-CoV-2 variant dependent and that all the variants induce stress to CNS cells. The wild-type virus was cytopathic to all cell types except astrocytes, whilst Alpha and Beta variants were only cytopathic for pericytes, and the Omicron variant cytopathic for endothelial cells and pericytes. Lastly wild-type virus increases blood-brain barrier permeability and all variants, except Beta, modulate extracellular glutamate concentration, which can lead to excitotoxicity or altered neurotransmission. CONCLUSIONS These results suggest that SARS-CoV-2 is neurotropic, with deleterious consequences for the blood-brain barrier integrity and central nervous system cells, which could underlie neurological disorders following SARS-CoV-2 infection.
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Affiliation(s)
- Alizé Proust
- Tuberculosis Laboratory, The Francis Crick Institute, London, NW1 1AT, UK.
| | - Christophe J Queval
- High Throughput Screening Laboratory, The Francis Crick Institute, London, NW1 1AT, UK
| | - Ruth Harvey
- Worldwide Influenza Centre, The Francis Crick Institute, London, NW1 1AT, UK
| | - Lorin Adams
- Worldwide Influenza Centre, The Francis Crick Institute, London, NW1 1AT, UK
| | - Michael Bennett
- Worldwide Influenza Centre, The Francis Crick Institute, London, NW1 1AT, UK
| | - Robert J Wilkinson
- Tuberculosis Laboratory, The Francis Crick Institute, London, NW1 1AT, UK
- Department of Infectious Diseases, Imperial College London, London, W12 0NN, UK
- Institute of Infectious Disease and Molecular Medicine and Department of Medicine, Wellcome Centre for Infectious Diseases Research in Africa, University of Cape Town, Observatory, Cape Town, 7925, Republic of South Africa
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10
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Ikezaki H, Nomura H, Shimono N. Impact of peripheral mitochondrial DNA level on immune response after COVID-19 vaccination. iScience 2023; 26:107094. [PMID: 37351502 PMCID: PMC10256584 DOI: 10.1016/j.isci.2023.107094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 04/30/2023] [Accepted: 06/07/2023] [Indexed: 06/24/2023] Open
Abstract
The efficacy of vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the elderly is partially hindered by immunosenescence, resulting from decreased mtDNA levels. This study evaluated the correlation between mtDNA levels in peripheral leukocytes and immune response to the SARS-CoV-2 vaccine. Two hundred ten participants (median age 79.5 years), including 83 frail residents/inpatients and 70 robust outpatients, were analyzed. Anti-spike IgG antibody (IgG(S)) titers were serially measured from before the first vaccination to after the third vaccination. The mtDNA levels and cell-mediated immunity were measured in 45 elderly and 22 elderly individuals two months after the third vaccination. The robust group had consistently higher IgG(S) titers than the frail group. The mtDNA levels positively correlated with IgG(S) titers, as well as with cell-mediated immunity. These findings suggest that mtDNA levels positively impact vaccine-induced immunity. Further studies into maintaining mtDNA levels may provide insights into immunosenescence in the elderly.
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Affiliation(s)
- Hiroaki Ikezaki
- Department of General Internal Medicine, Kyushu University Hospital, Fukuoka 8128582, Japan
- Department of Comprehensive General Internal Medicine, Kyushu University Faculty of Medical Sciences, Fukuoka 8128582, Japan
- Department of Internal Medicine, Haradoi Hospital, Fukuoka 8138588, Japan
| | - Hideyuki Nomura
- Department of Internal Medicine, Haradoi Hospital, Fukuoka 8138588, Japan
| | - Nobuyuki Shimono
- Department of General Internal Medicine, Kyushu University Hospital, Fukuoka 8128582, Japan
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11
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Bhowal C, Ghosh S, Ghatak D, De R. Pathophysiological involvement of host mitochondria in SARS-CoV-2 infection that causes COVID-19: a comprehensive evidential insight. Mol Cell Biochem 2023; 478:1325-1343. [PMID: 36308668 PMCID: PMC9617539 DOI: 10.1007/s11010-022-04593-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 10/13/2022] [Indexed: 10/31/2022]
Abstract
SARS-CoV-2 is a positive-strand RNA virus that infects humans through the nasopharyngeal and oral route causing COVID-19. Scientists left no stone unturned to explore a targetable key player in COVID-19 pathogenesis against which therapeutic interventions can be initiated. This article has attempted to review, coordinate and accumulate the most recent observations in support of the hypothesis predicting the altered state of mitochondria concerning mitochondrial redox homeostasis, inflammatory regulations, morphology, bioenergetics and antiviral signalling in SARS-CoV-2 infection. Mitochondria is extremely susceptible to physiological as well as pathological stimuli, including viral infections. Recent studies suggest that SARS-CoV-2 pathogeneses alter mitochondrial integrity, in turn mitochondria modulate cellular response against the infection. SARS-CoV-2 M protein inhibited mitochondrial antiviral signalling (MAVS) protein aggregation in turn hinders innate antiviral response. Viral open reading frames (ORFs) also play an instrumental role in altering mitochondrial regulation of immune response. Notably, ORF-9b and ORF-6 impair MAVS activation. In aged persons, the NLRP3 inflammasome is over-activated due to impaired mitochondrial function, increased mitochondrial reactive oxygen species (mtROS), and/or circulating free mitochondrial DNA, resulting in a hyper-response of classically activated macrophages. This article also tries to understand how mitochondrial fission-fusion dynamics is affected by the virus. This review comprehends the overall mitochondrial attribute in pathogenesis as well as prognosis in patients infected with COVID-19 taking into account pertinent in vitro, pre-clinical and clinical data encompassing subjects with a broad range of severity and morbidity. This endeavour may help in exploring novel non-canonical therapeutic strategies to COVID-19 disease and associated complications.
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Affiliation(s)
- Chandan Bhowal
- Amity Institute of Biotechnology, Amity University, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata, 700135, West Bengal, India
| | - Sayak Ghosh
- Amity Institute of Biotechnology, Amity University, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata, 700135, West Bengal, India
| | - Debapriya Ghatak
- Indian Association for the Cultivation of Science, Jadavpur, 700032, Kolkata, India
| | - Rudranil De
- Amity Institute of Biotechnology, Amity University, Plot No: 36, 37 & 38, Major Arterial Road, Action Area II, Kadampukur Village, Newtown, Kolkata, 700135, West Bengal, India.
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12
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Singh TK, Zidar DA, McCrae K, Highland KB, Englund K, Cameron SJ, Chung MK. A Post-Pandemic Enigma: The Cardiovascular Impact of Post-Acute Sequelae of SARS-CoV-2. Circ Res 2023; 132:1358-1373. [PMID: 37167358 PMCID: PMC10171306 DOI: 10.1161/circresaha.122.322228] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
COVID-19 has become the first modern-day pandemic of historic proportion, affecting >600 million individuals worldwide and causing >6.5 million deaths. While acute infection has had devastating consequences, postacute sequelae of SARS-CoV-2 infection appears to be a pandemic of its own, impacting up to one-third of survivors and often causing symptoms suggestive of cardiovascular phenomena. This review will highlight the suspected pathophysiology of postacute sequelae of SARS-CoV-2, its influence on the cardiovascular system, and potential treatment strategies.
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Affiliation(s)
- Tamanna K Singh
- Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH (TKS, MC, SJC)
- Cleveland Clinic Lerner College of Medicine, OH (T.K.S., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
| | - David A Zidar
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Louise Stokes Cleveland Veterans Affairs Medical Center, Department of Cardiovascular Medicine, Cleveland, OH (D.A.Z.)
| | - Keith McCrae
- Hematology and Medical Oncology, Cleveland Clinic, Cleveland, OH (KM)
- Cleveland Clinic Lerner College of Medicine, OH (T.K.S., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
| | - Kristin B Highland
- Pulmonary Medicine, Cleveland Clinic, Cleveland, OH (KBH)
- Cleveland Clinic Lerner College of Medicine, OH (T.K.S., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
| | - Kristin Englund
- Infectious Disease, Cleveland Clinic, Cleveland, OH (KE)
- Cleveland Clinic Lerner College of Medicine, OH (T.K.S., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
| | - Scott J Cameron
- Heart, Vascular, and Thoracic Institute, Cleveland Clinic, Cleveland, OH (TKS, MC, SJC)
- Cleveland Clinic Lerner College of Medicine, OH (T.K.S., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
| | - Mina K Chung
- Cleveland Clinic Lerner College of Medicine, OH (T.K.S., K.M., K.B.H., K.E., S.J.C., M.K.C.)
- Case Western Reserve University School of Medicine, Cleveland, OH (T.K.S., D.A.Z., K.M., K.B.H., K.E., S.J.C., M.K.C.)
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13
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Chen TH, Chang CJ, Hung PH. Possible Pathogenesis and Prevention of Long COVID: SARS-CoV-2-Induced Mitochondrial Disorder. Int J Mol Sci 2023; 24:8034. [PMID: 37175745 PMCID: PMC10179190 DOI: 10.3390/ijms24098034] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/27/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
Patients who have recovered from coronavirus disease 2019 (COVID-19) infection may experience chronic fatigue when exercising, despite no obvious heart or lung abnormalities. The present lack of effective treatments makes managing long COVID a major challenge. One of the underlying mechanisms of long COVID may be mitochondrial dysfunction. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections can alter the mitochondria responsible for energy production in cells. This alteration leads to mitochondrial dysfunction which, in turn, increases oxidative stress. Ultimately, this results in a loss of mitochondrial integrity and cell death. Moreover, viral proteins can bind to mitochondrial complexes, disrupting mitochondrial function and causing the immune cells to over-react. This over-reaction leads to inflammation and potentially long COVID symptoms. It is important to note that the roles of mitochondrial damage and inflammatory responses caused by SARS-CoV-2 in the development of long COVID are still being elucidated. Targeting mitochondrial function may provide promising new clinical approaches for long-COVID patients; however, further studies are needed to evaluate the safety and efficacy of such approaches.
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Affiliation(s)
- Tsung-Hsien Chen
- Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi 60002, Taiwan;
| | - Chia-Jung Chang
- Division of Critical Care Medicine, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi 60002, Taiwan
| | - Peir-Haur Hung
- Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi 60002, Taiwan;
- Department of Life and Health Science, Chia-Nan University of Pharmacy and Science, Tainan 717301, Taiwan
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14
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Severe acute respiratory syndrome coronaviruses contributing to mitochondrial dysfunction: Implications for post-COVID complications. Mitochondrion 2023; 69:43-56. [PMID: 36690315 PMCID: PMC9854144 DOI: 10.1016/j.mito.2023.01.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 01/03/2023] [Accepted: 01/03/2023] [Indexed: 01/21/2023]
Abstract
Mitochondria play a central role in oxidative phosphorylation (OXPHOS), bioenergetics linked with ATP production, fatty acids biosynthesis, calcium signaling, cell cycle regulation, apoptosis, and innate immune response. Severe acute respiratory syndrome-associated coronavirus (SARS-CoV) infection manipulates the host cellular machinery for its survival and replication in the host cell. The infectiaon causes perturbed the cellular metabolism that favours viral replication leading to mitochondrial dysfunction and chronic inflammation. By localizing to the mitochondria, SARS CoV proteins increase reactive oxygen species (ROS) levels, perturbation of Ca2+ signaling, changes in mtDNA copy number, mitochondrial membrane potential (MMP), mitochondrial mass, and induction of mitophagy. These proteins also influence the fusion and fission kinetics, size, structure, and distribution of mitochondria in the infected host cells. This results in compromised bioenergetics, altered metabolism, and innate immune signaling, and hence can be a key player in determining the outcome of SARS-CoV infection. SARS-CoV infection contributes to stress and activates apoptotic pathways. This review summarizes how mitochondrial function and dynamics are affected by SARS-CoV and how the mitochondria-SARS-CoV interaction benefits viral survival and growth by evading innate host immunity. We also highlight how the SARS-CoV-mediated mitochondrial dysfunction contributes to post-COVID complications. Besides, a discussion on targeting virus-mitochondria interactions as a therapeutic strategy is presented.
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15
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Taylor L, Von Lendenfeld F, Ashton A, Sanghani H, Di Pretoro S, Usselmann L, Veretennikova M, Dallmann R, McKeating JA, Vasudevan S, Jagannath A. Sleep and circadian rhythm disruption alters the lung transcriptome to predispose to viral infection. iScience 2023; 26:105877. [PMID: 36590897 PMCID: PMC9788990 DOI: 10.1016/j.isci.2022.105877] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 10/11/2022] [Accepted: 12/21/2022] [Indexed: 12/26/2022] Open
Abstract
Sleep and circadian rhythm disruption (SCRD), as encountered during shift work, increases the risk of respiratory viral infection including SARS-CoV-2. However, the mechanism(s) underpinning higher rates of respiratory viral infection following SCRD remain poorly characterized. To address this, we investigated the effects of acute sleep deprivation on the mouse lung transcriptome. Here we show that sleep deprivation profoundly alters the transcriptional landscape of the lung, causing the suppression of both innate and adaptive immune systems, disrupting the circadian clock, and activating genes implicated in SARS-CoV-2 replication, thereby generating a lung environment that could promote viral infection and associated disease pathogenesis. Our study provides a mechanistic explanation of how SCRD increases the risk of respiratory viral infections including SARS-CoV-2 and highlights possible therapeutic avenues for the prevention and treatment of respiratory viral infection.
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Affiliation(s)
- Lewis Taylor
- Sleep and Circadian Neuroscience Institute (SCNi), Nuffield Department of Clinical Neurosciences, New Biochemistry Building, University of Oxford, South Parks Road, Oxford OX1 3QU, UK
| | - Felix Von Lendenfeld
- Sleep and Circadian Neuroscience Institute (SCNi), Nuffield Department of Clinical Neurosciences, New Biochemistry Building, University of Oxford, South Parks Road, Oxford OX1 3QU, UK
| | - Anna Ashton
- Sleep and Circadian Neuroscience Institute (SCNi), Nuffield Department of Clinical Neurosciences, New Biochemistry Building, University of Oxford, South Parks Road, Oxford OX1 3QU, UK
| | - Harshmeena Sanghani
- Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Simona Di Pretoro
- Sleep and Circadian Neuroscience Institute (SCNi), Nuffield Department of Clinical Neurosciences, New Biochemistry Building, University of Oxford, South Parks Road, Oxford OX1 3QU, UK
| | - Laura Usselmann
- Division of Biomedical Sciences, Warwick Medical School, Interdisciplinary Biomedical Research Building, Gibbet Hill Campus, University of Warwick, Coventry CV4 7AL, UK
| | - Maria Veretennikova
- Zeeman Institute for Systems Biology & Infectious Disease Epidemiology Research, Department of Mathematics, Mathematical Sciences Building, University of Warwick, Coventry CV4 7AL, UK
| | - Robert Dallmann
- Division of Biomedical Sciences, Warwick Medical School, Interdisciplinary Biomedical Research Building, Gibbet Hill Campus, University of Warwick, Coventry CV4 7AL, UK
| | - Jane A. McKeating
- Nuffield Department of Medicine, University of Oxford, Old Road Campus, Oxford OX3 7BN, UK
- Chinese Academy of Medical Sciences (CAMS) Oxford Institute (COI), University of Oxford, Old Road Campus, Oxford OX3 7BN, UK
| | - Sridhar Vasudevan
- Department of Pharmacology, University of Oxford, Mansfield Road, Oxford OX1 3QT, UK
| | - Aarti Jagannath
- Sleep and Circadian Neuroscience Institute (SCNi), Nuffield Department of Clinical Neurosciences, New Biochemistry Building, University of Oxford, South Parks Road, Oxford OX1 3QU, UK
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16
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Haunhorst S, Bloch W, Javelle F, Krüger K, Baumgart S, Drube S, Lemhöfer C, Reuken P, Stallmach A, Müller M, Zielinski CE, Pletz MW, Gabriel HHW, Puta C. A scoping review of regulatory T cell dynamics in convalescent COVID-19 patients - indications for their potential involvement in the development of Long COVID? Front Immunol 2022; 13:1070994. [PMID: 36582234 PMCID: PMC9792979 DOI: 10.3389/fimmu.2022.1070994] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
Background Recovery from coronavirus disease 2019 (COVID-19) can be impaired by the persistence of symptoms or new-onset health complications, commonly referred to as Long COVID. In a subset of patients, Long COVID is associated with immune system perturbations of unknown etiology, which could be related to compromised immunoregulatory mechanisms. Objective The objective of this scoping review was to summarize the existing literature regarding the frequency and functionality of Tregs in convalescent COVID-19 patients and to explore indications for their potential involvement in the development of Long COVID. Design A systematic search of studies investigating Tregs during COVID-19 convalescence was conducted on MEDLINE (via Pubmed) and Web of Science. Results The literature search yielded 17 relevant studies, of which three included a distinct cohort of patients with Long COVID. The reviewed studies suggest that the Treg population of COVID-19 patients can reconstitute quantitatively and functionally during recovery. However, the comparison between recovered and seronegative controls revealed that an infection-induced dysregulation of the Treg compartment can be sustained for at least several months. The small number of studies investigating Tregs in Long COVID allowed no firm conclusions to be drawn about their involvement in the syndrome's etiology. Yet, even almost one year post-infection Long COVID patients exhibit significantly altered proportions of Tregs within the CD4+ T cell population. Conclusions Persistent alterations in cell frequency in Long COVID patients indicate that Treg dysregulation might be linked to immune system-associated sequelae. Future studies should aim to address the association of Treg adaptations with different symptom clusters and blood parameters beyond the sole quantification of cell frequencies while adhering to consensualized phenotyping strategies.
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Affiliation(s)
- Simon Haunhorst
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
| | - Wilhelm Bloch
- Department for Molecular and Cellular Sports Medicine, Institute for Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
| | - Florian Javelle
- Department for Molecular and Cellular Sports Medicine, Institute for Cardiovascular Research and Sports Medicine, German Sport University Cologne, Cologne, Germany
| | - Karsten Krüger
- Department of Exercise Physiology and Sports Therapy, Institute of Sports Science, Justus-Liebig-University Giessen, Giessen, Germany
| | - Sabine Baumgart
- Institute for Immunology, Jena University Hospital, Jena, Germany
| | - Sebastian Drube
- Institute for Immunology, Jena University Hospital, Jena, Germany
| | | | - Philipp Reuken
- Clinic for Internal Medicine IV (Gastroenterology, Hepatology and Infectious Diseases), Jena University Hospital, Jena, Germany
| | - Andreas Stallmach
- Clinic for Internal Medicine IV (Gastroenterology, Hepatology and Infectious Diseases), Jena University Hospital, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany
| | - Michael Müller
- Department of Infection Immunology, Leibniz Institue for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Christina E. Zielinski
- Department of Infection Immunology, Leibniz Institue for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Mathias W. Pletz
- Institute for Immunology, Jena University Hospital, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany
- Institute for Infectious Diseases and Infection Control, Jena University Hospital, Jena, Germany
| | - Holger H. W. Gabriel
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
| | - Christian Puta
- Department of Sports Medicine and Health Promotion, Friedrich-Schiller-University Jena, Jena, Germany
- Center for Sepsis Control and Care (CSCC), Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany
- Center for Interdisciplinary Prevention of Diseases related to Professional Activities, Jena, Germany
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17
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Nunn AVW, Guy GW, Brysch W, Bell JD. Understanding Long COVID; Mitochondrial Health and Adaptation-Old Pathways, New Problems. Biomedicines 2022; 10:3113. [PMID: 36551869 PMCID: PMC9775339 DOI: 10.3390/biomedicines10123113] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/04/2022] Open
Abstract
Many people infected with the SARS-CoV-2 suffer long-term symptoms, such as "brain fog", fatigue and clotting problems. Explanations for "long COVID" include immune imbalance, incomplete viral clearance and potentially, mitochondrial dysfunction. As conditions with sub-optimal mitochondrial function are associated with initial severity of the disease, their prior health could be key in resistance to long COVID and recovery. The SARs virus redirects host metabolism towards replication; in response, the host can metabolically react to control the virus. Resolution is normally achieved after viral clearance as the initial stress activates a hormetic negative feedback mechanism. It is therefore possible that, in some individuals with prior sub-optimal mitochondrial function, the virus can "tip" the host into a chronic inflammatory cycle. This might explain the main symptoms, including platelet dysfunction. Long COVID could thus be described as a virally induced chronic and self-perpetuating metabolically imbalanced non-resolving state characterised by mitochondrial dysfunction, where reactive oxygen species continually drive inflammation and a shift towards glycolysis. This would suggest that a sufferer's metabolism needs to be "tipped" back using a stimulus, such as physical activity, calorie restriction, or chemical compounds that mimic these by enhancing mitochondrial function, perhaps in combination with inhibitors that quell the inflammatory response.
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Affiliation(s)
- Alistair V. W. Nunn
- Research Centre for Optimal Health, Department of Life Sciences, University of Westminster, London W1W 6UW, UK
| | - Geoffrey W. Guy
- The Guy Foundation, Chedington Court, Beaminster, Dorset DT8 3HY, UK
| | | | - Jimmy D. Bell
- Research Centre for Optimal Health, Department of Life Sciences, University of Westminster, London W1W 6UW, UK
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18
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Maxwell CA, Roberts C, Oesmann K, Muhimpundu S, Archer KR, Patel MR, Mulubrhan MF, Muchira J, Boon J, LaNoue M. Health and wellness for disadvantaged older adults: The AFRESH pilot study. PEC INNOVATION 2022; 1:100084. [PMID: 37213747 PMCID: PMC10194225 DOI: 10.1016/j.pecinn.2022.100084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 08/23/2022] [Accepted: 09/13/2022] [Indexed: 05/23/2023]
Abstract
Introduction Older adults are unaware of the biological mechanisms that contribute to the development of disabilities, chronic conditions, and frailty, yet, when made aware, desire to employ lifestyle changes to mitigate these conditions. We developed the AFRESH health and wellness program and report on pilot testing undertaken in a local older adults apartment community. Materials and methods After program development, pilot testing was conducted. Participants: Older adults (N = 20; age 62+) residing in an apartment community. Procedures: Collection of baseline objective and self-report measures with a focus on physical activity; administration of the 10-week AFRESH program via weekly sessions; collection of follow-up data 12 and 36 weeks after baseline data collection. Data analysis: Descriptive statistics, growth curve analyses. Results Significant increases were observed for grip strength (lbs) (T1:56.2; T2:65.0 [d = 0.77]; T3:69.4 [d = 0.62], p = .001), the 6-min walk test (meters) (T1:327m: T2:388.7 m [d = 0.99]; T3:363.3 m [d = 0.60], p = .001), the Rapid Assessment of Physical Activity (RAPA) strength and flexibility score, and the Pittsburg Sleep Quality Index (PSQI) global score. These effects showed some attenuation by the final time point. Conclusion By combining novel educational content (bioenergetics), facilitation of physical activity, and habit formation, AFRESH is a multicomponent intervention that shows promise for future research.
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Affiliation(s)
- Cathy A Maxwell
- Vanderbilt University School of Nursing, 461 21st Ave. South, Nashville, TN 37240, USA
| | - Corley Roberts
- Catholic Charities, 2806 McGavock Pike, Nashville, TN 37214, USA
| | - Kelsey Oesmann
- Urban Housing Solutions, 822 Woodland St., Nashville, TN 37206, USA
| | - Sylvie Muhimpundu
- Vanderbilt University School of Nursing, 461 21st Ave. South, Nashville, TN 37240, USA
| | - Kristin R Archer
- Vanderbilt University Medical Center, 1215 21 Ave. South, Nashville, TN 37232, USA
| | - Maulik R Patel
- Vanderbilt University Biological Sciences, Box 351634, Nashville, TN 37235, USA
| | - Mogos F Mulubrhan
- Vanderbilt University School of Nursing, 461 21st Ave. South, Nashville, TN 37240, USA
| | - James Muchira
- Vanderbilt University School of Nursing, 461 21st Ave. South, Nashville, TN 37240, USA
| | - Jeffrey Boon
- Vanderbilt University School of Nursing, 461 21st Ave. South, Nashville, TN 37240, USA
| | - Marianna LaNoue
- Vanderbilt University School of Nursing, 461 21st Ave. South, Nashville, TN 37240, USA
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19
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De Vitis C, Capalbo C, Torsello A, Napoli C, Salvati V, Loffredo C, Blandino G, Piaggio G, Auciello FR, Pelliccia F, Salerno G, Simmaco M, Di Magno L, Canettieri G, Coluzzi F, Mancini R, Rocco M, Sciacchitano S. Opposite Effect of Thyroid Hormones on Oxidative Stress and on Mitochondrial Respiration in COVID-19 Patients. Antioxidants (Basel) 2022; 11:antiox11101998. [PMID: 36290721 PMCID: PMC9598114 DOI: 10.3390/antiox11101998] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 10/03/2022] [Accepted: 10/04/2022] [Indexed: 01/08/2023] Open
Abstract
Background: Thyroid hormones (TH)s are master regulators of mitochondrial activity and biogenesis. Nonthyroidal illness syndrome (NTIS) is generally considered an adaptative response to reduced energy that is secondary to critical illness, including COVID-19. COVID-19 has been associated with profound changes in the cell energy metabolism, especially in the cells of the immune system, with a central role played by the mitochondria, considered the power units of every cell. Infection by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) affects and alters mitochondrial functions, both to influence its intracellular survival and to evade host immunity. Aim of the study: This study was undertaken to analyze the oxidative balance and mitochondrial respiration in COVID-19 patients with and without NTIS to elucidate the role that thyroid hormones (TH)s play in this context. Methods: In our cohort of 54 COVID-19 patients, admitted to our University Hospital during the COVID-19 pandemic, we evaluated the generation of reactive oxygen species (ROS) by measuring the serum levels of derivatives of reactive oxygen metabolites (dROMs), and we analyzed the antioxidant capacity by measuring the serum biological antioxidant potential (BAP). We then analyzed the mitochondrial respiration in peripheral blood mononuclear cells (PBMC)s of 28 of our COVID-19 patients, using the seahorse instrument (Agilent). Results were correlated with the serum levels of THs and, in particular, of FT3. In addition, the role of T3 on bioelectrical impedance analysis (BIA) and mitochondrial respiration parameters was directly evaluated in two COVID-19 patients with NTIS, in which treatment with synthetic liothyronine (LT3) was given both in vivo and in vitro. Results: In our COVID-19 patients with NTIS, the dROMs values were significantly lower and the BAP values were significantly higher. Consequently, the oxidative stress index (OSi), measured as BAP/dROMs ratio was reduced compared to that observed in COVID-19 patients without NTIS, indicating a protective role exerted by NTIS on oxidative stress. In our COVID-19 patients, the mitochondrial respiration, measured in PBMCs, was reduced compared to healthy controls. Those with NTIS showed a reduced maximal respiratory capacity and a reduced proton leak, compared to those with normal FT3 serum values. Such lowered mitochondrial respiratory capacity makes the cells more vulnerable to bioenergetic exhaustion. In a pilot study involving two COVID-19 patients with NTIS, we could reinforce our previous observation regarding the role of T3 in the maintenance of adequate peripheral hydroelectrolytic balance. In addition, in these two patients, we demonstrated that by treating their PBMCs with LT3, both in vitro and in vivo, all mitochondrial respiration parameters significantly increased. Conclusions: Our results regarding the reduction in the serum levels of the reactive oxygen species (ROS) of COVID-19 patients with NTIS support the hypothesis that NTIS could represent an adaptative response to severe COVID-19. However, beside this beneficial effect, we demonstrate that, in the presence of an acute reduction of FT3 serum levels, the mitochondrial respiration is greatly impaired, with a consequent establishment of a hypoenergetic state of the immune cells that may hamper their capacity to react to massive viral infection.
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Affiliation(s)
- Claudia De Vitis
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
| | - Carlo Capalbo
- Department of Medical Oncology, Sant’Andrea University Hospital, 00189 Rome, Italy
- Department of Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
| | - Alessandra Torsello
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
| | - Christian Napoli
- Department of Surgical and Medical Science and Translational Medicine, Sapienza University of Rome, 00181 Rome, Italy
| | - Valentina Salvati
- Scientific Direction, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy
| | - Chiara Loffredo
- Unit of Anesthesia, Intensive Care and Pain Medicine, Sant’Andrea University Hospital, 00189 Rome, Italy
| | - Giovanni Blandino
- Translational Oncology Research Unit, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy
| | - Giulia Piaggio
- UOSD SAFU, Department of Research, Diagnosis and Innovative Technologies, IRCCS Regina Elena National Cancer Institute, 00144 Roma, Italy
| | - Francesca Romana Auciello
- Translational Oncology Research Unit, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy
| | - Flaminia Pelliccia
- Unit of Anesthesia, Intensive Care and Pain Medicine, Sant’Andrea University Hospital, 00189 Rome, Italy
| | - Gerardo Salerno
- Department of Neuroscience, Mental Health, and Sensory Organs (NESMOS), Sapienza University of Rome, 00189 Rome, Italy
| | - Maurizio Simmaco
- Department of Neuroscience, Mental Health, and Sensory Organs (NESMOS), Sapienza University of Rome, 00189 Rome, Italy
| | - Laura Di Magno
- Department of Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
| | - Gianluca Canettieri
- Department of Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
- Pasteur Institute, Cenci-Bolognetti Foundation, 00161 Rome, Italy
| | - Flaminia Coluzzi
- Unit of Anesthesia, Intensive Care and Pain Medicine, Sant’Andrea University Hospital, 00189 Rome, Italy
- Department Medical and Surgical Sciences and Biotechnologies, Sapienza University of Rome, Polo Pontino, 04100 Latina, Italy
| | - Rita Mancini
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
| | - Monica Rocco
- Department of Surgical and Medical Science and Translational Medicine, Sapienza University of Rome, 00181 Rome, Italy
- Unit of Anesthesia, Intensive Care and Pain Medicine, Sant’Andrea University Hospital, 00189 Rome, Italy
| | - Salvatore Sciacchitano
- Department of Clinical and Molecular Medicine, Sapienza University of Rome, 00189 Rome, Italy
- Correspondence:
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The Efficacy of Methylprednisolone in Clinical Manifestations, Inflammatory Biomarkers, and Antioxidant Changes in the COVID-19 Patients. ARCHIVES OF CLINICAL INFECTIOUS DISEASES 2022. [DOI: 10.5812/archcid-129799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: The application of methylprednisolone in ARDS patients has led to a sustained reduction in inflammatory plasma cytokines and chemokines and has recently been used in the treatment of patients with SARS-CoV-2 infection. Objectives: In this study, the effect of methylprednisolone on clinical symptoms and antioxidant changes of patients with COVID-19 has been investigated. Methods: In the present study, patients with moderate to severe COVID-19 who required hospitalization were entered into the study phase. Then, in addition to standard treatment, patients received methylprednisolone at a dose of 250 mg intravenously over three days. Necessary evaluations include analysis of arterial blood gases, pulse oximetry, monitoring of patient clinical signs, examination of inflammatory biomarkers, and also receiving 10 cc of peripheral blood samples to check for antioxidant changes, at the beginning of the study, after 24 hours, and 72 hours after receiving methylprednisolone was on the agenda. Results: Changes in fever, superoxide dismutase (SOD, Glutathione-S-Transferase (GST, the ferric reducing ability of plasma (FRAP, malondialdehyde (MDA, Nitric oxide, Ferritin, and TNF-α before treatment and 72 hours after treatment were significantly different between the two stages (P < 0.05). Conclusions: The use of methylprednisolone improves the balance of antioxidants and immunological factors in patients with COVID-19 and thus improves some clinical indicators in these patients.
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Ceperuelo-Mallafré V, Reverté L, Peraire J, Madeira A, Maymó-Masip E, López-Dupla M, Gutierrez-Valencia A, Ruiz-Mateos E, Buzón MJ, Jorba R, Vendrell J, Auguet T, Olona M, Vidal F, Rull A, Fernández-Veledo S. Circulating pyruvate is a potent prognostic marker for critical COVID-19 outcomes. Front Immunol 2022; 13:912579. [PMID: 36189213 PMCID: PMC9515795 DOI: 10.3389/fimmu.2022.912579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundCoronavirus-19 (COVID-19) disease is driven by an unchecked immune response to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus which alters host mitochondrial-associated mechanisms. Compromised mitochondrial health results in abnormal reprogramming of glucose metabolism, which can disrupt extracellular signalling. We hypothesized that examining mitochondrial energy-related signalling metabolites implicated in host immune response to SARS-CoV-2 infection would provide potential biomarkers for predicting the risk of severe COVID-19 illness.MethodsWe used a semi-targeted serum metabolomics approach in 273 patients with different severity grades of COVID-19 recruited at the acute phase of the infection to determine the relative abundance of tricarboxylic acid (Krebs) cycle-related metabolites with known extracellular signaling properties (pyruvate, lactate, succinate and α-ketoglutarate). Abundance levels of energy-related metabolites were evaluated in a validation cohort (n=398) using quantitative fluorimetric assays.ResultsIncreased levels of four energy-related metabolites (pyruvate, lactate, a-ketoglutarate and succinate) were found in critically ill COVID-19 patients using semi-targeted and targeted approaches (p<0.05). The combined strategy proposed herein enabled us to establish that circulating pyruvate levels (p<0.001) together with body mass index (p=0.025), C-reactive protein (p=0.039), D-Dimer (p<0.001) and creatinine (p=0.043) levels, are independent predictors of critical COVID-19. Furthermore, classification and regression tree (CART) analysis provided a cut-off value of pyruvate in serum (24.54 µM; p<0.001) as an early criterion to accurately classify patients with critical outcomes.ConclusionOur findings support the link between COVID-19 pathogenesis and immunometabolic dysregulation, and show that fluorometric quantification of circulating pyruvate is a cost-effective clinical decision support tool to improve patient stratification and prognosis prediction.
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Affiliation(s)
- Victòria Ceperuelo-Mallafré
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metaboílicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Laia Reverté
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
| | - Joaquim Peraire
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Ana Madeira
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metaboílicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Elsa Maymó-Masip
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metaboílicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
| | - Miguel López-Dupla
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Alicia Gutierrez-Valencia
- Clinical Unit of Infectious Diseases, Microbiology and Preventive Medicine, Institute of Biomedicine of Seville (IBiS), Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | - Ezequiel Ruiz-Mateos
- Clinical Unit of Infectious Diseases, Microbiology and Preventive Medicine, Institute of Biomedicine of Seville (IBiS), Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas (CSIC), University of Seville, Seville, Spain
| | - Maria José Buzón
- Infectious Diseases Department, Vall d’Hebron Institute of Research (VHIR), Hospital Universitari Vall d’Hebron, Universitat Autònoma de Barcelona, (VHIR) Task Force COVID-19, Barcelona, Spain
| | - Rosa Jorba
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Joan Vendrell
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metaboílicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Teresa Auguet
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Montserrat Olona
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Francesc Vidal
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
| | - Anna Rull
- Universitat Rovira i Virgili (URV), Tarragona, Spain
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER Enfermedades Infecciosas (CIBERINFEC)-Instituto de Salud Carlos III, Madrid, Spain
- Hospital Universitari de Tarragona Joan XXIII (HJ23), Tarragona, Spain
- *Correspondence: Sonia Fernández-Veledo, ; Anna Rull,
| | - Sonia Fernández-Veledo
- Institut Investigació Sanitària Pere Virgili (IISPV), Tarragona, Spain
- CIBER de Diabetes y Enfermedades Metaboílicas Asociadas (CIBERDEM)-Instituto de Salud Carlos III, Madrid, Spain
- *Correspondence: Sonia Fernández-Veledo, ; Anna Rull,
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Cao T, Liu L, To KK, Lim C, Zhou R, Ming Y, Kwan K, Yu S, Chan C, Zhou B, Huang H, Mo Y, Du Z, Gong R, Yat L, Hung IF, Tam AR, To W, Leung W, Chik TS, Tsang OT, Lin X, Song Y, Yuen K, Chen Z. Mitochondrial regulation of acute extrafollicular B-cell responses to COVID-19 severity. Clin Transl Med 2022; 12:e1025. [PMID: 36103567 PMCID: PMC9473490 DOI: 10.1002/ctm2.1025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 08/01/2022] [Accepted: 08/08/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Patients with COVID-19 display a broad spectrum of manifestations from asymptomatic to life-threatening disease with dysregulated immune responses. Mechanisms underlying the detrimental immune responses and disease severity remain elusive. METHODS We investigated a total of 137 APs infected with SARS-CoV-2. Patients were divided into mild and severe patient groups based on their requirement of oxygen supplementation. All blood samples from APs were collected within three weeks after symptom onset. Freshly isolated PBMCs were investigated for B cell subsets, their homing potential, activation state, mitochondrial functionality and proliferative response. Plasma samples were tested for cytokine concentration, and titer of Nabs, RBD-, S1-, SSA/Ro- and dsDNA-specific IgG. RESULTS While critically ill patients displayed predominantly extrafollicular B cell activation with elevated inflammation, mild patients counteracted the disease through the timely induction of mitochondrial dysfunction in B cells within the first week post symptom onset. Rapidly increased mitochondrial dysfunction, which was caused by infection-induced excessive intracellular calcium accumulation, suppressed excessive extrafollicular responses, leading to increased neutralizing potency index and decreased inflammatory cytokine production. Patients who received prior COVID-19 vaccines before infection displayed significantly decreased extrafollicular B cell responses and mild disease. CONCLUSION Our results reveal an immune mechanism that controls SARS-CoV-2-induced detrimental B cell responses and COVID-19 severity, which may have implications for viral pathogenesis, therapeutic interventions and vaccine development.
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Affiliation(s)
- Tianyu Cao
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Department of ImmunologyFourth Military Medical UniversityXi'anPeople's Republic of China
- Department of DermatologyTangdu Hospital, Fourth Military Medical UniversityXi'anPeople's Republic of China
| | - Li Liu
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Department of Microbiology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Centre for VirologyVaccinology and Therapeutics LimitedHong Kong Special Administrative RegionPeople's Republic of China
| | - Kelvin Kai‐Wang To
- Department of Microbiology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Department of ImmunologyFourth Military Medical UniversityXi'anPeople's Republic of China
- State Key Laboratory of Emerging Infectious Diseases, Department of MicrobiologyThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Centre for VirologyVaccinology and Therapeutics LimitedHong Kong Special Administrative RegionPeople's Republic of China
| | - Chun‐Yu Lim
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Runhong Zhou
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Department of Microbiology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Yue Ming
- School of Biomedical SciencesUniversity of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Ka‐Yi Kwan
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Sulan Yu
- School of Chinese MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Chun‐Yin Chan
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Biao Zhou
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Haode Huang
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Yufei Mo
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Department of Microbiology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Zhenglong Du
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Ruomei Gong
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Luk‐Tsz Yat
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Ivan Fan‐Ngai Hung
- Department of Medicine, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Anthony Raymond Tam
- Department of MedicineQueen Mary HospitalHong Kong Special Administrative RegionPeople's Republic of China
| | - Wing‐Kin To
- Department of PathologyPrincess Margaret HospitalHong Kong Special Administrative RegionPeople's Republic of China
| | - Wai‐Shing Leung
- Department of Medicine and GeriatricsPrincess Margaret HospitalHong Kong Special Administrative RegionPeople's Republic of China
| | - Thomas Shiu‐Hong Chik
- Department of Medicine and GeriatricsPrincess Margaret HospitalHong Kong Special Administrative RegionPeople's Republic of China
| | - Owen Tak‐Yin Tsang
- Department of Medicine and GeriatricsPrincess Margaret HospitalHong Kong Special Administrative RegionPeople's Republic of China
| | - Xiang Lin
- School of Chinese MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - You‐qiang Song
- School of Biomedical SciencesUniversity of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
| | - Kwok‐Yung Yuen
- Department of Microbiology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- State Key Laboratory of Emerging Infectious Diseases, Department of MicrobiologyThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Centre for VirologyVaccinology and Therapeutics LimitedHong Kong Special Administrative RegionPeople's Republic of China
| | - Zhiwei Chen
- AIDS Institute, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Department of Microbiology, Li Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- State Key Laboratory of Emerging Infectious Diseases, Department of MicrobiologyThe University of Hong KongHong Kong Special Administrative RegionPeople's Republic of China
- Centre for VirologyVaccinology and Therapeutics LimitedHong Kong Special Administrative RegionPeople's Republic of China
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Sukocheva OA, Maksoud R, Beeraka NM, Madhunapantula SV, Sinelnikov M, Nikolenko VN, Neganova ME, Klochkov SG, Amjad Kamal M, Staines DR, Marshall-Gradisnik S. Analysis of post COVID-19 condition and its overlap with myalgic encephalomyelitis/chronic fatigue syndrome. J Adv Res 2022; 40:179-196. [PMID: 36100326 PMCID: PMC8619886 DOI: 10.1016/j.jare.2021.11.013] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/02/2021] [Accepted: 11/22/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) disease (COVID-19) triggers the development of numerous pathologies and infection-linked complications and exacerbates existing pathologies in nearly all body systems. Aside from the primarily targeted respiratory organs, adverse SARS-CoV-2 effects were observed in nervous, cardiovascular, gastrointestinal/metabolic, immune, and other systems in COVID-19 survivors. Long-term effects of this viral infection have been recently observed and represent distressing sequelae recognised by the World Health Organisation (WHO) as a distinct clinical entity defined as post-COVID-19 condition. Considering the pandemic is still ongoing, more time is required to confirm post COVID-19 condition diagnosis in the COVID-19 infected cohorts, although many reported post COVID-19 symptoms overlap with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS). AIMS OF REVIEW In this study, COVID-19 clinical presentation and associated post-infection sequelae (post-COVID-19 condition) were reviewed and compared with ME/CFS symptomatology. KEY SCIENTIFIC CONCEPTS OF REVIEW The onset, progression, and symptom profile of post COVID-19 condition patients have considerable overlap with ME/CFS. Considering the large scope and range of pro-inflammatory effects of this virus, it is reasonable to expect development of post COVID-19 clinical complications in a proportion of the affected population. There are reports of a later debilitating syndrome onset three months post COVID-19 infection (often described as long-COVID-19), marked by the presence of fatigue, headache, cognitive dysfunction, post-exertional malaise, orthostatic intolerance, and dyspnoea. Acute inflammation, oxidative stress, and increased levels of interleukin-6 (IL-6) and tumor necrosis factor α (TNFα), have been reported in SARS-CoV-2 infected patients. Longitudinal monitoring of post COVID-19 patients is warranted to understand the long-term effects of SARS-CoV-2 infection and the pathomechanism of post COVID-19 condition.
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Affiliation(s)
- Olga A Sukocheva
- College of Nursing and Health Sciences, Flinders University of South Australia, Bedford Park 5042, SA, Australia; The National Centre for Neuroimmunology and Emerging Diseases, Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia.
| | - Rebekah Maksoud
- The National Centre for Neuroimmunology and Emerging Diseases, Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia; Consortium Health International for Myalgic Encephalomyelitis, National Centre for Neuroimmunology and Emerging Diseases, Griffith University, Gold Coast, QLD, Australia
| | - Narasimha M Beeraka
- Department of Biochemistry, Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR), JSS Academy of Higher Education & Research (JSS AHER), Mysore, India
| | - SabbaRao V Madhunapantula
- Department of Biochemistry, Center of Excellence in Molecular Biology and Regenerative Medicine (CEMR), JSS Academy of Higher Education & Research (JSS AHER), Mysore, India; Special Interest Group in Cancer Biology and Cancer Stem Cells (SIG-CBCSC), JSS Medical College, JSS Academy of Higher Education & Research (JSS AHER), Mysore, India
| | - Mikhail Sinelnikov
- I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Mohovaya 11c10, Moscow, Russia
| | - Vladimir N Nikolenko
- I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Mohovaya 11c10, Moscow, Russia
| | - Margarita E Neganova
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka 142432, Russia
| | - Sergey G Klochkov
- Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka 142432, Russia
| | - Mohammad Amjad Kamal
- King Fahd Medical Research Center, King Abdulaziz University, P. O. Box 80216, Jeddah 21589, Saudi Arabia; Enzymoics, 7 Peterlee Place, Novel Global Community Educational Foundation, Hebersham, NSW 2770, Australia
| | - Donald R Staines
- The National Centre for Neuroimmunology and Emerging Diseases, Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia; Consortium Health International for Myalgic Encephalomyelitis, National Centre for Neuroimmunology and Emerging Diseases, Griffith University, Gold Coast, QLD, Australia
| | - Sonya Marshall-Gradisnik
- The National Centre for Neuroimmunology and Emerging Diseases, Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia; Consortium Health International for Myalgic Encephalomyelitis, National Centre for Neuroimmunology and Emerging Diseases, Griffith University, Gold Coast, QLD, Australia
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24
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Çakırlar FK. Application of Biomarkers in the Diagnostic Distinction of Bacterial and Viral Infections. Biomark Med 2022. [DOI: 10.2174/9789815040463122010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Infectious diseases, which pose a great threat worldwide, have a significant
impact on public health and the world economy. It contributes to increased healthcare
costs, unnecessary drug-related side effects, and increased antimicrobial resistance. It is
not always easy to distinguish the etiological differentiation of diseases that can
develop with bacteria and viruses. Therefore, one of the biggest challenges in medicine
is how to correctly distinguish between the different causes of these infections and how
to manage the patient. Because bacterial and viral infections often present similar
symptoms. The real decision is whether the infection is caused by bacteria or viruses
and whether to treat the patient with antibiotics. There are many different
methodological approaches to diagnosing infections. Biomarkers have been used in the
diagnosis of diseases and other conditions for many years. Biomarkers are molecules
found in blood and body fluids in measurable amounts, which can evaluate biological
and pathological processes. These key indicators can provide vital information in
determining disease prognosis, predicting response to treatments, adverse events and
drug interactions, and identifying key risks. An effective biomarker is extremely
important for the early diagnosis of various diseases. The explosion of interest in
biomarker research is driving the development of new predictive, diagnostic, and
prognostic products in modern medical practice. The purpose of this review is to
demonstrate the use and diagnostic potential of current and investigational biomarkers
in the distinction between bacterial and viral infections.
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Affiliation(s)
- Fatma Köksal Çakırlar
- Faculty of Cerrahpaşa Medicine, University of İstanbul- Cerrahpaşa,Department of Medical Microbiology,Department of Medical Microbiology, Faculty of Cerrahpaşa Medicine, University of İstanbul- Cerrahpaşa, Istanbul, Turkey,Istanbul,Turkey
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25
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Post-COVID-19 Parkinsonism and Parkinson’s Disease Pathogenesis: The Exosomal Cargo Hypothesis. Int J Mol Sci 2022; 23:ijms23179739. [PMID: 36077138 PMCID: PMC9456372 DOI: 10.3390/ijms23179739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/21/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Parkinson’s disease (PD) is the second most prevalent neurodegenerative disease after Alzheimer’s disease, globally. Dopaminergic neuron degeneration in substantia nigra pars compacta and aggregation of misfolded alpha-synuclein are the PD hallmarks, accompanied by motor and non-motor symptoms. Several viruses have been linked to the appearance of a post-infection parkinsonian phenotype. Coronavirus disease 2019 (COVID-19), caused by emerging severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection, has evolved from a novel pneumonia to a multifaceted syndrome with multiple clinical manifestations, among which neurological sequalae appear insidious and potentially long-lasting. Exosomes are extracellular nanovesicles bearing a complex cargo of active biomolecules and playing crucial roles in intercellular communication under pathophysiological conditions. Exosomes constitute a reliable route for misfolded protein transmission, contributing to PD pathogenesis and diagnosis. Herein, we summarize recent evidence suggesting that SARS-CoV-2 infection shares numerous clinical manifestations and inflammatory and molecular pathways with PD. We carry on hypothesizing that these similarities may be reflected in exosomal cargo modulated by the virus in correlation with disease severity. Travelling from the periphery to the brain, SARS-CoV-2-related exosomal cargo contains SARS-CoV-2 RNA, viral proteins, inflammatory mediators, and modified host proteins that could operate as promoters of neurodegenerative and neuroinflammatory cascades, potentially leading to a future parkinsonism and PD development.
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26
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Adesse D, Gladulich L, Alvarez-Rosa L, Siqueira M, Marcos AC, Heider M, Motta CS, Torices S, Toborek M, Stipursky J. Role of aging in Blood-Brain Barrier dysfunction and susceptibility to SARS-CoV-2 infection: impacts on neurological symptoms of COVID-19. Fluids Barriers CNS 2022; 19:63. [PMID: 35982454 PMCID: PMC9386676 DOI: 10.1186/s12987-022-00357-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 07/18/2022] [Indexed: 12/21/2022] Open
Abstract
COVID-19, which is caused by Severe Acute Respiratory Syndrome Corona Virus 2 (SARS-CoV-2), has resulted in devastating morbidity and mortality worldwide due to lethal pneumonia and respiratory distress. In addition, the central nervous system (CNS) is well documented to be a target of SARS-CoV-2, and studies detected SARS-CoV-2 in the brain and the cerebrospinal fluid of COVID-19 patients. The blood-brain barrier (BBB) was suggested to be the major route of SARS-CoV-2 infection of the brain. Functionally, the BBB is created by an interactome between endothelial cells, pericytes, astrocytes, microglia, and neurons, which form the neurovascular units (NVU). However, at present, the interactions of SARS-CoV-2 with the NVU and the outcomes of this process are largely unknown. Moreover, age was described as one of the most prominent risk factors for hospitalization and deaths, along with other comorbidities such as diabetes and co-infections. This review will discuss the impact of SARS-CoV-2 on the NVU, the expression profile of SARS-CoV-2 receptors in the different cell types of the CNS and the possible role of aging in the neurological outcomes of COVID-19. A special emphasis will be placed on mitochondrial functions because dysfunctional mitochondria are also a strong inducer of inflammatory reactions and the "cytokine storm" associated with SARS-CoV-2 infection. Finally, we will discuss possible drug therapies to treat neural endothelial function in aged patients, and, thus, alleviate the neurological symptoms associated with COVID-19.
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Affiliation(s)
- Daniel Adesse
- Laboratório de Biologia Estrutural, Instituto Oswaldo Cruz, Fiocruz, Avenida Brasil, 4365, Pavilhão Carlos Chagas, sala 307b, Rio de Janeiro, RJ, 21040-360, Brazil.
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, 33136, USA.
| | - Luis Gladulich
- Laboratório de Biologia Estrutural, Instituto Oswaldo Cruz, Fiocruz, Avenida Brasil, 4365, Pavilhão Carlos Chagas, sala 307b, Rio de Janeiro, RJ, 21040-360, Brazil
| | - Liandra Alvarez-Rosa
- Laboratório de Biologia Estrutural, Instituto Oswaldo Cruz, Fiocruz, Avenida Brasil, 4365, Pavilhão Carlos Chagas, sala 307b, Rio de Janeiro, RJ, 21040-360, Brazil
- Laboratório Compartilhado, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Michele Siqueira
- Laboratório Compartilhado, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Anne Caroline Marcos
- Laboratório de Biologia Estrutural, Instituto Oswaldo Cruz, Fiocruz, Avenida Brasil, 4365, Pavilhão Carlos Chagas, sala 307b, Rio de Janeiro, RJ, 21040-360, Brazil
| | - Marialice Heider
- Laboratório de Biologia Estrutural, Instituto Oswaldo Cruz, Fiocruz, Avenida Brasil, 4365, Pavilhão Carlos Chagas, sala 307b, Rio de Janeiro, RJ, 21040-360, Brazil
| | - Caroline Soares Motta
- Laboratório de Biologia Estrutural, Instituto Oswaldo Cruz, Fiocruz, Avenida Brasil, 4365, Pavilhão Carlos Chagas, sala 307b, Rio de Janeiro, RJ, 21040-360, Brazil
| | - Silvia Torices
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
| | - Michal Toborek
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, 33136, USA
- Institute of Physiotherapy and Health Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland
| | - Joice Stipursky
- Laboratório Compartilhado, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Habeichi NJ, Tannous C, Yabluchanskiy A, Altara R, Mericskay M, Booz GW, Zouein FA. Insights into the modulation of the interferon response and NAD + in the context of COVID-19. Int Rev Immunol 2022; 41:464-474. [PMID: 34378474 DOI: 10.1080/08830185.2021.1961768] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has resulted in dramatic worldwide mortality. Along with developing vaccines, the medical profession is exploring new strategies to curb this pandemic. A better understanding of the molecular consequences of SARS-CoV-2 cellular infection could lead to more effective and safer treatments. This review discusses the potential underlying impact of SARS-CoV-2 in modulating interferon (IFN) secretion and in causing mitochondrial NAD+ depletion that could be directly linked to COVID-19's deadly manifestations. What is known or surmised about an imbalanced innate immune response and mitochondrial dysfunction post-SARS-CoV-2 infection, and the potential benefits of well-timed IFN treatments and NAD+ boosting therapies in the context of the COVID-19 pandemic are discussed.
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Affiliation(s)
- Nada J Habeichi
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon.,Department of Signaling and Cardiovascular Pathophysiology, Université Paris-Saclay, Inserm, UMR-S 1180, Châtenay-Malabry, France
| | - Cynthia Tannous
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
| | - Andriy Yabluchanskiy
- Center for Geroscience and Healthy Brain Aging, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Raffaele Altara
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway.,KG Jebsen Center for Cardiac Research, Oslo, Norway.,Department of Pathology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Mathias Mericskay
- Department of Signaling and Cardiovascular Pathophysiology, Université Paris-Saclay, Inserm, UMR-S 1180, Châtenay-Malabry, France
| | - George W Booz
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, USA
| | - Fouad A Zouein
- Department of Pharmacology and Toxicology, American University of Beirut Faculty of Medicine, Beirut, Lebanon
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28
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Duan C, Ma R, Zeng X, Chen B, Hou D, Liu R, Li X, Liu L, Li T, Huang H. SARS-CoV-2 Achieves Immune Escape by Destroying Mitochondrial Quality: Comprehensive Analysis of the Cellular Landscapes of Lung and Blood Specimens From Patients With COVID-19. Front Immunol 2022; 13:946731. [PMID: 35844544 PMCID: PMC9283956 DOI: 10.3389/fimmu.2022.946731] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 06/13/2022] [Indexed: 12/15/2022] Open
Abstract
Mitochondria get caught in the crossfire of coronavirus disease 2019 (COVID-19) and antiviral immunity. The mitochondria-mediated antiviral immunity represents the host’s first line of defense against viral infection, and the mitochondria are important targets of COVID-19. However, the specific manifestations of mitochondrial damage in patients with COVID-19 have not been systematically clarified. This study comprehensively analyzed one single-cell RNA-sequencing dataset of lung tissue and two bulk RNA-sequencing datasets of blood from COVID-19 patients. We found significant changes in mitochondrion-related gene expression, mitochondrial functions, and related metabolic pathways in patients with COVID-19. SARS-CoV-2 first infected the host alveolar epithelial cells, which may have induced excessive mitochondrial fission, inhibited mitochondrial degradation, and destroyed the mitochondrial calcium uniporter (MCU). The type II alveolar epithelial cell count decreased and the transformation from type II to type I alveolar epithelial cells was blocked, which exacerbated viral immune escape and replication in COVID-19 patients. Subsequently, alveolar macrophages phagocytized the infected alveolar epithelial cells, which decreased mitochondrial respiratory capacity and activated the ROS–HIF1A pathway in macrophages, thereby aggravating the pro-inflammatory reaction in the lungs. Infected macrophages released large amounts of interferon into the blood, activating mitochondrial IFI27 expression and destroying energy metabolism in immune cells. The plasma differentiation of B cells and lung-blood interaction of regulatory T cells (Tregs) was exacerbated, resulting in a cytokine storm and excessive inflammation. Thus, our findings systematically explain immune escape and excessive inflammation seen during COVID-19 from the perspective of mitochondrial quality imbalance.
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Affiliation(s)
- Chenyang Duan
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Chenyang Duan, ; He Huang,
| | - Ruiyan Ma
- Department of Cardiovascular Surgery, Xinqiao Hospital, Army Medical University, Chongqing, China
| | - Xue Zeng
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Bing Chen
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dongyao Hou
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ruixue Liu
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Xuehan Li
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Liangming Liu
- Department of Shock and Transfusion, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, China
| | - Tao Li
- Department of Shock and Transfusion, State Key Laboratory of Trauma, Burns and Combined Injury, Daping Hospital, Army Medical University, Chongqing, China
| | - He Huang
- Department of Anesthesiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
- *Correspondence: Chenyang Duan, ; He Huang,
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Mahmoodpoor A, Sanaie S, Ostadi Z, Eskandari M, Behrouzi N, Asghari R, Zahirnia A, Sohrabifar N, Kazeminasab S. Roles of mitochondrial DNA in dynamics of the immune response to COVID-19. Gene 2022; 836:146681. [PMID: 35728769 PMCID: PMC9219426 DOI: 10.1016/j.gene.2022.146681] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 05/29/2022] [Accepted: 06/10/2022] [Indexed: 12/18/2022]
Abstract
Mitochondria dynamics have a pivotal role in many aspects of immune function. Viral infections affect mitochondrial dynamics and trigger the release of mitochondrial DNA (mtDNA) in host cells. Released mtDNA guides the immune response towards an inflammatory response against pathogens. In addition, circulating cell-free mtDNA (ccf-mtDNA) is considered an invaluable indicator for the prognosis and severity of infectious diseases. This study provides an overview of the role of mtDNA in the dynamics of the immune response to COVID-19. We focused on the possible roles of mtDNA in inducing the signaling pathways, and the inflammasome activation and regulation in SARS-CoV-2. Targeting mtDNA-related pathways can provide critical insights into therapeutic strategies for COVID-19.
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Affiliation(s)
- Ata Mahmoodpoor
- Research Center for Integrative Medicine in Aging, Aging research institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sarvin Sanaie
- Research Center for Integrative Medicine in Aging, Aging research institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zoherh Ostadi
- Department of Anesthesiology and intensive care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maqsoud Eskandari
- Department of Anesthesiology and intensive care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nazila Behrouzi
- Department of Anesthesiology and intensive care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Roqayyeh Asghari
- Department of Anesthesiology and intensive care, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ahmad Zahirnia
- Nasle Farda Health Foundation, Medical Genetic Laboratory, Tabriz, Iran
| | - Nasim Sohrabifar
- Cardiovascular Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Somayeh Kazeminasab
- Nasle Farda Health Foundation, Medical Genetic Laboratory, Tabriz, Iran; Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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30
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Rubio-Casillas A, Redwan EM, Uversky VN. SARS-CoV-2: A Master of Immune Evasion. Biomedicines 2022; 10:biomedicines10061339. [PMID: 35740361 PMCID: PMC9220273 DOI: 10.3390/biomedicines10061339] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/03/2022] [Accepted: 06/04/2022] [Indexed: 02/07/2023] Open
Abstract
Viruses and their hosts have coevolved for a long time. This coevolution places both the pathogen and the human immune system under selective pressure; on the one hand, the immune system has evolved to combat viruses and virally infected cells, while viruses have developed sophisticated mechanisms to escape recognition and destruction by the immune system. SARS-CoV-2, the pathogen that is causing the current COVID-19 pandemic, has shown a remarkable ability to escape antibody neutralization, putting vaccine efficacy at risk. One of the virus’s immune evasion strategies is mitochondrial sabotage: by causing reactive oxygen species (ROS) production, mitochondrial physiology is impaired, and the interferon antiviral response is suppressed. Seminal studies have identified an intra-cytoplasmatic pathway for viral infection, which occurs through the construction of tunneling nanotubes (TNTs), hence enhancing infection and avoiding immune surveillance. Another method of evading immune monitoring is the disruption of the antigen presentation. In this scenario, SARS-CoV-2 infection reduces MHC-I molecule expression: SARS-CoV-2’s open reading frames (ORF 6 and ORF 8) produce viral proteins that specifically downregulate MHC-I molecules. All of these strategies are also exploited by other viruses to elude immune detection and should be studied in depth to improve the effectiveness of future antiviral treatments. Compared to the Wuhan strain or the Delta variant, Omicron has developed mutations that have impaired its ability to generate syncytia, thus reducing its pathogenicity. Conversely, other mutations have allowed it to escape antibody neutralization and preventing cellular immune recognition, making it the most contagious and evasive variant to date.
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Affiliation(s)
- Alberto Rubio-Casillas
- Biology Laboratory, Autlán Regional Preparatory School, University of Guadalajara, Autlán 48900, Jalisco, Mexico
- Correspondence: (A.R.-C.); (V.N.U.); Tel.: +52-317-38-935-55 (A.R.-C.)
| | - Elrashdy M. Redwan
- Biological Science Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia;
- Therapeutic and Protective Proteins Laboratory, Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City for Scientific Research and Technology Applications, New Borg EL-Arab, Alexandria 21934, Egypt
| | - Vladimir N. Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer’s Research Institute, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
- Correspondence: (A.R.-C.); (V.N.U.); Tel.: +52-317-38-935-55 (A.R.-C.)
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31
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Rahmatbakhsh M, Moutaoufik MT, Gagarinova A, Babu M. HPiP: an R/Bioconductor package for predicting host-pathogen protein-protein interactions from protein sequences using ensemble machine learning approach. BIOINFORMATICS ADVANCES 2022; 2:vbac038. [PMID: 35669347 PMCID: PMC9154073 DOI: 10.1093/bioadv/vbac038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 04/27/2022] [Accepted: 05/17/2022] [Indexed: 01/26/2023]
Abstract
Motivation Despite arduous and time-consuming experimental efforts, protein-protein interactions (PPIs) for many pathogenic microbes with their human host are still unknown, limiting our understanding of the intricate interactions during infection and the identification of therapeutic targets. Since computational tools offer a promising alternative, we developed an R/Bioconductor package, HPiP (Host-Pathogen Interaction Prediction) software with a series of amino acid sequence property descriptors and an ensemble machine learning classifiers to predict the yet unmapped interactions between pathogen and host proteins. Results Using severe acute respiratory syndrome coronavirus 1 (SARS-CoV-1) or the novel SARS-CoV-2 coronavirus-human PPI training sets as a case study, we show that HPiP achieves a good performance with PPI predictions between SARS-CoV-2 and human proteins, which we confirmed experimentally in human monocyte THP-1 cells, and with several quality control metrics. HPiP also exhibited strong performance in accurately predicting the previously reported PPIs when tested against the sequences of pathogenic bacteria, Mycobacterium tuberculosis and human proteins. Collectively, our fully documented HPiP software will hasten the exploration of PPIs for a systems-level understanding of many understudied pathogens and uncover molecular targets for repurposing existing drugs. Availability and implementation HPiP is released as an open-source code under the MIT license that is freely available on GitHub (https://github.com/BabuLab-UofR/HPiP) as well as on Bioconductor (http://bioconductor.org/packages/devel/bioc/html/HPiP.html). Supplementary information Supplementary data are available at Bioinformatics Advances online.
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Affiliation(s)
| | | | - Alla Gagarinova
- Department of Biochemistry, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada
| | - Mohan Babu
- Department of Biochemistry, University of Regina, Regina, SK S4S 0A2, Canada
- To whom correspondence should be addressed.
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Tereshin AE, Kiryanova VV, Reshetnik DA. Correction of Mitochondrial Dysfunction in the Complex Rehabilitation of COVID-19 Patients. NEUROSCIENCE AND BEHAVIORAL PHYSIOLOGY 2022; 52:511-514. [PMID: 35892008 PMCID: PMC9304544 DOI: 10.1007/s11055-022-01269-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 05/24/2021] [Indexed: 11/24/2022]
Abstract
Objective. To study the efficacy of courses of i.v., Cytoflavin in combination with the standard rehabilitation program for postcovid syndrome for correction of postcovid asthenia. Materials and methods. Follow-up investigations were carried out in 45 patients with postcovid syndrome at the second stage of rehabilitation. Patients were divided into two groups of comparable sex and age. The volume of lung damage was also similar in both groups, at 25–80%. The 24 patients making up the comparison group received standard postcovid rehabilitation: pulsed magnetotherapy, inhalation therapy, aeroionotherapy, infrared laser therapy, courses of aerobic training, rational psychotherapy, and successive drug therapy. The 21 patients of the study group additionally received intravenous Cytoflavin daily for 10 days. The dynamics of increases in scores on the Rehabilitation Routing Scale, the Hamilton Depression Rating Scale (HDRS), the Asthenic Status Scale, and the 6-minute walk test at admission and discharge were also monitored. Results and conclusions. Addition of courses of intravenous Cytoflavin to the complex rehabilitation program for postcovid syndrome significantly improved the general functional state of the body, decreased levels of depression and asthenization, and increased physical exercise tolerance.
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Affiliation(s)
- A. E. Tereshin
- Mechnikov North-Western State Medical University, Russian Ministry of Health, St. Petersburg, Russia
- Nikolaevskaya Hospital, St. Petersburg, Russia
| | - V. V. Kiryanova
- Mechnikov North-Western State Medical University, Russian Ministry of Health, St. Petersburg, Russia
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Díaz-Resendiz KJG, Benitez-Trinidad AB, Covantes-Rosales CE, Toledo-Ibarra GA, Ortiz-Lazareno PC, Girón-Pérez DA, Bueno-Durán AY, Pérez-Díaz DA, Barcelos-García RG, Girón-Pérez MI. Loss of mitochondrial membrane potential (ΔΨ m ) in leucocytes as post-COVID-19 sequelae. J Leukoc Biol 2022; 112:23-29. [PMID: 35355308 PMCID: PMC9088601 DOI: 10.1002/jlb.3ma0322-279rrr] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 03/04/2022] [Indexed: 12/15/2022] Open
Abstract
The mitochondrial membrane potential (ΔΨm) is a parameter often used to determine mitochondrial function; therefore, it can be used to determine the integrity and functionality of cells. A decrement of ΔΨm is implicated in several inflammatory‐related pathologies, such phenomena can be related to COVID‐19 infection. The present work aimed to compare the ΔΨm in leucocytes (human PBMCs; HPBMC) isolated from healthy control (HC) subjects, patients with COVID‐19 (C‐19), recovered subjects at 40 ± 13 (R1) and 335 ± 20 (R2) days after infection (dai). Obtained data showed that ΔΨm decreased in HPBMC of subjects with C‐19, R1, and R2 compared with HC. When analyzing the ΔΨm data by sex, in females, a significant decrease was observed in R1 and R2 groups versus HC. Regarding men, a significant decrease of ΔΨm was observed in R1, with respect to HC, contrary to R2 group, who reestablished this parameter. Obtained results suggest that the loss of ΔΨm could be related to the long‐COVID.
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Affiliation(s)
| | - Alma Betsaida Benitez-Trinidad
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Carlos Eduardo Covantes-Rosales
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Gladys Alejandra Toledo-Ibarra
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Pablo Cesar Ortiz-Lazareno
- Instituto Mexicano del Seguro Social (IMSS), Centro de Investigación Biomédica de Occidente (CIBO), Guadalajara, Jalisco, Mexico
| | - Daniel Alberto Girón-Pérez
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Adela Yolanda Bueno-Durán
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Daniela Alejandra Pérez-Díaz
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Rocío Guadalupe Barcelos-García
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
| | - Manuel Iván Girón-Pérez
- Laboratorio Nacional de Investigación para la Inocuidad Alimentaria (LANIIA)-Unidad Nayarit, Universidad Autónoma de Nayarit, Nayarit, Mexico
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Yang K, Holt M, Fan M, Lam V, Yang Y, Ha T, Williams DL, Li C, Wang X. Cardiovascular Dysfunction in COVID-19: Association Between Endothelial Cell Injury and Lactate. Front Immunol 2022; 13:868679. [PMID: 35401579 PMCID: PMC8984030 DOI: 10.3389/fimmu.2022.868679] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/01/2022] [Indexed: 12/27/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), an infectious respiratory disease propagated by a new virus known as Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), has resulted in global healthcare crises. Emerging evidence from patients with COVID-19 suggests that endothelial cell damage plays a central role in COVID-19 pathogenesis and could be a major contributor to the severity and mortality of COVID-19. Like other infectious diseases, the pathogenesis of COVID-19 is closely associated with metabolic processes. Lactate, a potential biomarker in COVID-19, has recently been shown to mediate endothelial barrier dysfunction. In this review, we provide an overview of cardiovascular injuries and metabolic alterations caused by SARS-CoV-2 infection. We also propose that lactate plays a potential role in COVID-19-driven endothelial cell injury.
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Affiliation(s)
- Kun Yang
- Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
- Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Matthew Holt
- James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Min Fan
- Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
- Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Victor Lam
- College of Arts and Science, New York University, New York City, NY, United States
| | - Yong Yang
- James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Tuanzhu Ha
- Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
- Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - David L. Williams
- Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
- Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Chuanfu Li
- Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
- Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Xiaohui Wang
- Department of Surgery, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
- Center of Excellence in Inflammation, Infectious Disease and Immunity, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
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Rolfo A, Cosma S, Nuzzo AM, Salio C, Moretti L, Sassoè-Pognetto M, Carosso AR, Borella F, Cutrin JC, Benedetto C. Increased Placental Anti-Oxidant Response in Asymptomatic and Symptomatic COVID-19 Third-Trimester Pregnancies. Biomedicines 2022; 10:biomedicines10030634. [PMID: 35327436 PMCID: PMC8945802 DOI: 10.3390/biomedicines10030634] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 12/16/2022] Open
Abstract
Despite Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) -induced Oxidative Stress (OxS) being well documented in different organs, the molecular pathways underlying placental OxS in late-pregnancy women with SARS-CoV-2 infection are poorly understood. Herein, we performed an observational study to determine whether placentae of women testing positive for SARS-CoV-2 during the third trimester of pregnancy showed redox-related alterations involving Catalase (CAT) and Superoxide Dismutase (SOD) antioxidant enzymes as well as placenta morphological anomalies relative to a cohort of healthy pregnant women. Next, we evaluated if placental redox-related alterations and mitochondria pathological changes were correlated with the presence of maternal symptoms. We observed ultrastructural alterations of placental mitochondria accompanied by increased levels of oxidative stress markers Thiobarbituric Acid Reactive Substances (TBARS) and Hypoxia Inducible Factor-1 α (HIF-1α) in SARS-CoV-2 women during the third trimester of pregnancy. Importantly, we found an increase in placental CAT and SOD antioxidant enzymes accompanied by physiological neonatal outcomes. Our findings strongly suggest a placenta-mediated OxS inhibition in response to SARS-CoV-2 infection, thus contrasting the cytotoxic profile caused by Coronavirus Disease 2019 (COVID-19).
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Affiliation(s)
- Alessandro Rolfo
- Department of Surgical Sciences, University of Turin, 10126 Turin, Italy; (A.R.); (A.M.N.); (L.M.)
| | - Stefano Cosma
- Gynecology and Obstetrics 1, Department of Surgical Sciences, City of Health and Science, University of Turin, 10126 Turin, Italy; (S.C.); (A.R.C.); (F.B.)
| | - Anna Maria Nuzzo
- Department of Surgical Sciences, University of Turin, 10126 Turin, Italy; (A.R.); (A.M.N.); (L.M.)
| | - Chiara Salio
- Department of Veterinary Sciences, University of Turin, 10095 Grugliasco, Italy;
| | - Laura Moretti
- Department of Surgical Sciences, University of Turin, 10126 Turin, Italy; (A.R.); (A.M.N.); (L.M.)
| | - Marco Sassoè-Pognetto
- Department of Neuroscience “Rita Levi Montalcini”, University of Turin, 10126 Turin, Italy;
| | - Andrea Roberto Carosso
- Gynecology and Obstetrics 1, Department of Surgical Sciences, City of Health and Science, University of Turin, 10126 Turin, Italy; (S.C.); (A.R.C.); (F.B.)
| | - Fulvio Borella
- Gynecology and Obstetrics 1, Department of Surgical Sciences, City of Health and Science, University of Turin, 10126 Turin, Italy; (S.C.); (A.R.C.); (F.B.)
| | - Juan Carlos Cutrin
- Center of Imaging Molecular, Department of Molecular Biotechnology and Sciences for the Health, University of Turin, 10126 Turin, Italy
- Correspondence: (J.C.C.); (C.B.)
| | - Chiara Benedetto
- Gynecology and Obstetrics 1, Department of Surgical Sciences, City of Health and Science, University of Turin, 10126 Turin, Italy; (S.C.); (A.R.C.); (F.B.)
- Correspondence: (J.C.C.); (C.B.)
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The roles of Eph receptors, neuropilin-1, P2X7, and CD147 in COVID-19-associated neurodegenerative diseases: inflammasome and JaK inhibitors as potential promising therapies. Cell Mol Biol Lett 2022; 27:10. [PMID: 35109786 PMCID: PMC8809072 DOI: 10.1186/s11658-022-00311-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/14/2022] [Indexed: 12/20/2022] Open
Abstract
The novel coronavirus disease 2019 (COVID-19) pandemic has spread worldwide, and finding a safe therapeutic strategy and effective vaccine is critical to overcoming severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Therefore, elucidation of pathogenesis mechanisms, especially entry routes of SARS-CoV-2 may help propose antiviral drugs and novel vaccines. Several receptors have been demonstrated for the interaction of spike (S) protein of SARS-CoV-2 with host cells, including angiotensin-converting enzyme (ACE2), ephrin ligands and Eph receptors, neuropilin 1 (NRP-1), P2X7, and CD147. The expression of these entry receptors in the central nervous system (CNS) may make the CNS prone to SARS-CoV-2 invasion, leading to neurodegenerative diseases. The present review provides potential pathological mechanisms of SARS-CoV-2 infection in the CNS, including entry receptors and cytokines involved in neuroinflammatory conditions. Moreover, it explains several neurodegenerative disorders associated with COVID-19. Finally, we suggest inflammasome and JaK inhibitors as potential therapeutic strategies for neurodegenerative diseases.
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Cavezzi A, Menicagli R, Troiani E, Corrao S. COVID-19, Cation Dysmetabolism, Sialic Acid, CD147, ACE2, Viroporins, Hepcidin and Ferroptosis: A Possible Unifying Hypothesis. F1000Res 2022; 11:102. [PMID: 35340277 PMCID: PMC8921693 DOI: 10.12688/f1000research.108667.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 01/20/2022] [Indexed: 08/26/2024] Open
Abstract
Background: iron and calcium dysmetabolism, with hyperferritinemia, hypoferremia, hypocalcemia and anemia have been documented in the majority of COVID-19 patients at later/worse stages. Furthermore, complementary to ACE2, both sialic acid (SA) molecules and CD147 proved relevant host receptors for SARS-CoV-2 entry, which explains the viral attack to multiple types of cells, including erythrocytes, endothelium and neural tissue. Several authors advocated that cell ferroptosis may be the core and final cell degenerative mechanism. Methods: a literature research was performed in several scientific search engines, such as PubMed Central, Cochrane Library, Chemical Abstract Service. More than 500 articles were retrieved until mid-December 2021, to highlight the available evidence about the investigated issues. Results: based on COVID-19 literature data, we have highlighted a few pathophysiological mechanisms, associated with virus-based cation dysmetabolism, multi-organ attack, mitochondria degeneration and ferroptosis. Our suggested elucidated pathological sequence is: a) spike protein subunit S1 docking with sialylated membrane glycoproteins/receptors (ACE2, CD147), and S2 subunit fusion with the lipid layer; b) cell membrane morpho-functional changes due to the consequent electro-chemical variations and viroporin action, which induce an altered ion channel function and intracellular cation accumulation; c) additional intracellular iron concentration due to a deregulated hepcidin-ferroportin axis, with higher hepcidin levels. Viral invasion may also affect erythrocytes/erythroid precursors, endothelial cells and macrophages, through SA and CD147 receptors, with relative hemoglobin and iron/calcium dysmetabolism. AB0 blood group, hemochromatosis, or environmental elements may represent possible factors which affect individual susceptibility to COVID-19. Conclusions: our literature analysis confirms the combined role of SA molecules, ACE2, CD147, viroporins and hepcidin in determining the cation dysmetabolism and final ferroptosis in the cells infected by SARS-CoV-2. The altered ion channels and electrochemical gradients of the cell membrane have a pivotal role in the virus entry and cell dysmetabolism, with subsequent multi-organ immune-inflammatory degeneration and erythrocyte/hemoglobin alterations.
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Affiliation(s)
- Attilio Cavezzi
- Eurocenter Venalinfa, San Benedetto del Tronto, AP, 63074, Italy
| | | | - Emidio Troiani
- Cardiology Unit, Social Security Institute, State Hospital, Cailungo, 47893, San Marino
| | - Salvatore Corrao
- Department of Clinical Medicine, Internal Medicine Division,, ARNAS Civico Di Cristina Benfratelli Hospital Trust, Palermo, Italy
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38
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Cavezzi A, Menicagli R, Troiani E, Corrao S. COVID-19, Cation Dysmetabolism, Sialic Acid, CD147, ACE2, Viroporins, Hepcidin and Ferroptosis: A Possible Unifying Hypothesis. F1000Res 2022; 11:102. [PMID: 35340277 PMCID: PMC8921693 DOI: 10.12688/f1000research.108667.2] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/17/2022] [Indexed: 12/15/2022] Open
Abstract
Background: iron and calcium dysmetabolism, with hyperferritinemia, hypoferremia, hypocalcemia and anemia have been documented in the majority of COVID-19 patients at later/worse stages. Furthermore, complementary to ACE2, both sialic acid (SA) molecules and CD147 proved relevant host receptors for SARS-CoV-2 entry, which explains the viral attack to multiple types of cells, including erythrocytes, endothelium and neural tissue. Several authors advocated that cell ferroptosis may be the core and final cell degenerative mechanism. Methods: a literature research was performed in several scientific search engines, such as PubMed Central, Cochrane Library, Chemical Abstract Service. More than 500 articles were retrieved until mid-December 2021, to highlight the available evidence about the investigated issues. Results: based on COVID-19 literature data, we have highlighted a few pathophysiological mechanisms, associated with virus-based cation dysmetabolism, multi-organ attack, mitochondria degeneration and ferroptosis. Our suggested elucidated pathological sequence is: a) spike protein subunit S1 docking with sialylated membrane glycoproteins/receptors (ACE2, CD147), and S2 subunit fusion with the lipid layer; b) cell membrane morpho-functional changes due to the consequent electro-chemical variations and viroporin action, which induce an altered ion channel function and intracellular cation accumulation; c) additional intracellular iron concentration due to a deregulated hepcidin-ferroportin axis, with higher hepcidin levels. Viral invasion may also affect erythrocytes/erythroid precursors, endothelial cells and macrophages, through SA and CD147 receptors, with relative hemoglobin and iron/calcium dysmetabolism. AB0 blood group, hemochromatosis, or environmental elements may represent possible factors which affect individual susceptibility to COVID-19. Conclusions: our literature analysis confirms the combined role of SA molecules, ACE2, CD147, viroporins and hepcidin in determining the cation dysmetabolism and final ferroptosis in the cells infected by SARS-CoV-2. The altered ion channels and electrochemical gradients of the cell membrane have a pivotal role in the virus entry and cell dysmetabolism, with subsequent multi-organ immune-inflammatory degeneration and erythrocyte/hemoglobin alterations.
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Affiliation(s)
- Attilio Cavezzi
- Eurocenter Venalinfa, San Benedetto del Tronto, AP, 63074, Italy
| | | | - Emidio Troiani
- Cardiology Unit, Social Security Institute, State Hospital, Cailungo, 47893, San Marino
| | - Salvatore Corrao
- Department of Clinical Medicine, Internal Medicine Division,, ARNAS Civico Di Cristina Benfratelli Hospital Trust, Palermo, Italy
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Shang C, Liu Z, Zhu Y, Lu J, Ge C, Zhang C, Li N, Jin N, Li Y, Tian M, Li X. SARS-CoV-2 Causes Mitochondrial Dysfunction and Mitophagy Impairment. Front Microbiol 2022; 12:780768. [PMID: 35069483 PMCID: PMC8770829 DOI: 10.3389/fmicb.2021.780768] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 12/13/2021] [Indexed: 11/13/2022] Open
Abstract
Mitochondria, which is essential for adequate innate immune response, energy metabolism and mitochondria reactive oxygen species (ROS) production, might be in the cross fire of Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) and host cell defense. However, little is known about interactions between mitochondria and SARS-CoV-2. We performed fluorescent microscopy and found an enrichment of SARS-CoV-2 replication products double stranded RNA (dsRNA) within mitochondria. The entry process of dsRNA might be mediated by Tom20 as observed by reduced mitochondrial localization of SARS-CoV-2 dsRNA in Tom20 knockdown cells. Importantly, decreased mitochondrial localization of dsRNA, as well as mitochondrial membrane stabilizers mdivi-1 and cyclosporin A, inhibited viral load in cells. Next, we detected mitochondrial dysfunction caused by SARS-CoV-2 infection, including mitochondrial membrane depolarization, mitochondrial permeability transition pore opening and increased ROS release. In response to mitochondrial damage, we observed an increase in expression and mitochondrial accumulation of Pink1 and Parkin proteins, as well as Pink-1-mediated recruitment of P62 to mitochondria, suggesting initiated mitophagy for mitochondrial quality control and virus clearance. Nevertheless, we observed that mitophagy was inhibited and stayed in early stage with an unchanged Hsp60 expression post SARS-CoV-2 infection. This might be one of the anti-autophagy strategies of SARS-CoV-2 and we used co-immunoprecipitation to found that SARS-CoV-2 infection inhibited P62 and LC3 binding which plays a critical role in selective envelopment of substrates into autophagosomes. Our results suggest that mitochondria are closely involved in SARS-CoV-2 replication and mitochondrial homeostasis is disrupted by SARS-CoV-2 in the virus-cell confrontation.
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Affiliation(s)
- Chao Shang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CASS), Changchun, China
| | - Zirui Liu
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yilong Zhu
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Jing Lu
- Agricultural College, Yanbian University, Yanji, China
| | - Chenchen Ge
- Agricultural College, Yanbian University, Yanji, China
| | - Cuiling Zhang
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CASS), Changchun, China
| | - Nan Li
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CASS), Changchun, China
| | - Ningyi Jin
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CASS), Changchun, China.,Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Yiquan Li
- Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China
| | - Mingyao Tian
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CASS), Changchun, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
| | - Xiao Li
- Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences (CASS), Changchun, China.,Academician Workstation of Jilin Province, Changchun University of Chinese Medicine, Changchun, China.,Agricultural College, Yanbian University, Yanji, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
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Shenoy S. Gut microbiome, Vitamin D, ACE2 interactions are critical factors in immune-senescence and inflammaging: key for vaccine response and severity of COVID-19 infection. Inflamm Res 2022; 71:13-26. [PMID: 34738147 PMCID: PMC8568567 DOI: 10.1007/s00011-021-01510-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 09/21/2021] [Accepted: 09/23/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The SARS-CoV-2 pandemic continues to spread sporadically in the Unites States and worldwide. The severity and mortality excessively affected the frail elderly with co-existing medical diseases. There is growing evidence that cross-talk between the gut microbiome, Vitamin D and RAS/ACE2 system is essential for a balanced functioning of the elderly immune system and in regulating inflammation. In this review, we hypothesize that the state of gut microbiome, prior to infection determines the outcome associated with COVID-19 sepsis and may also be a critical factor in success to vaccination. METHODS Articles from PubMed/Medline searches were reviewed using a combination of terms "SARS-CoV-2, COVID-19, Inflammaging, Immune-senescence, Gut microbiome, Vitamin D, RAS/ACE2, Vaccination". CONCLUSION Evidence indicates a complex association between gut microbiota, ACE-2 expression and Vitamin D in COVID-19 severity. Status of gut microbiome is highly predictive of the blood molecular signatures and inflammatory markers and host responses to infection. Vitamin D has immunomodulatory function in innate and adaptive immune responses to viral infection. Anti-inflammatory functions of Vit D include regulation of gut microbiome and maintaining microbial diversity. It promotes growth of gut-friendly commensal strains of Bifida and Fermicutus species. In addition, Vitamin D is a negative regulator for expression of renin and interacts with the RAS/ ACE/ACE-2 signaling axis. Collectively, this triad may be the critical, link in determination of outcomes in SARS-CoV-2 infection. The presented data are empirical and informative. Further research using advanced systems biology techniques and artificial intelligence-assisted integration could assist with correlation of the gut microbiome with sepsis and vaccine responses. Modulating these factors may impact in guiding the success of vaccines and clinical outcomes in COVID-19 infections.
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Affiliation(s)
- Santosh Shenoy
- Department of Surgery, Kansas City VA Medical Center, University of Missouri Kansas City, 4801 E Linwood Blvd., Kansas City , MO, 64128, USA.
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41
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Long-COVID Syndrome and the Cardiovascular System: A Review of Neurocardiologic Effects on Multiple Systems. Curr Cardiol Rep 2022; 24:1711-1726. [PMID: 36178611 PMCID: PMC9524329 DOI: 10.1007/s11886-022-01786-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/12/2022] [Indexed: 01/11/2023]
Abstract
PURPOSE OF REVIEW Long-COVID syndrome is a multi-organ disorder that persists beyond 12 weeks post-acute SARS-CoV-2 infection (COVID-19). Here, we provide a definition for this syndrome and discuss neuro-cardiology involvement due to the effects of (1) angiotensin-converting enzyme 2 receptors (the entry points for the virus), (2) inflammation, and (3) oxidative stress (the resultant effects of the virus). RECENT FINDINGS These effects may produce a spectrum of cardio-neuro effects (e.g., myocardial injury, primary arrhythmia, and cardiac symptoms due to autonomic dysfunction) which may affect all systems of the body. We discuss the symptoms and suggest therapies that target the underlying autonomic dysfunction to relieve the symptoms rather than merely treating symptoms. In addition to treating the autonomic dysfunction, the therapy also treats chronic inflammation and oxidative stress. Together with a full noninvasive cardiac workup, a full assessment of the autonomic nervous system, specifying parasympathetic and sympathetic (P&S) activity, both at rest and in response to challenges, is recommended. Cardiac symptoms must be treated directly. Cardiac treatment is often facilitated by treating the P&S dysfunction. Cardiac symptoms of dyspnea, chest pain, and palpitations, for example, need to be assessed objectively to differentiate cardiac from neural (autonomic) etiology. Long-term myocardial injury commonly involves P&S dysfunction. P&S assessment usually connects symptoms of Long-COVID to the documented autonomic dysfunction(s).
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Bautista-Becerril B, Pérez-Dimas G, Sommerhalder-Nava PC, Hanono A, Martínez-Cisneros JA, Zarate-Maldonado B, Muñoz-Soria E, Aquino-Gálvez A, Castillejos-López M, Juárez-Cisneros A, Lopez-Gonzalez JS, Camarena A. miRNAs, from Evolutionary Junk to Possible Prognostic Markers and Therapeutic Targets in COVID-19. Viruses 2021; 14:41. [PMID: 35062245 PMCID: PMC8781105 DOI: 10.3390/v14010041] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 12/21/2021] [Indexed: 01/08/2023] Open
Abstract
The COVID-19 pandemic has been a public health issue around the world in the last few years. Currently, there is no specific antiviral treatment to fight the disease. Thus, it is essential to highlight possible prognostic predictors that could identify patients with a high risk of developing complications. Within this framework, miRNA biomolecules play a vital role in the genetic regulation of various genes, principally, those related to the pathophysiology of the disease. Here, we review the interaction of host and viral microRNAs with molecular and cellular elements that could potentiate the main pulmonary, cardiac, renal, circulatory, and neuronal complications in COVID-19 patients. miR-26a, miR-29b, miR-21, miR-372, and miR-2392, among others, have been associated with exacerbation of the inflammatory process, increasing the risk of a cytokine storm. In addition, increased expression of miR-15b, -199a, and -491 are related to the prognosis of the disease, and miR-192 and miR-323a were identified as clinical predictors of mortality in patients admitted to the intensive care unit. Finally, we address miR-29, miR-122, miR-155, and miR-200, among others, as possible therapeutic targets. However, more studies are required to confirm these findings.
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Affiliation(s)
- Brandon Bautista-Becerril
- Laboratorio HLA, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (B.B.-B.); (A.J.-C.)
- Escuela Superior de Medicina, Departamento de Posgrado, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (G.P.-D.); (E.M.-S.)
| | - Guillermo Pérez-Dimas
- Escuela Superior de Medicina, Departamento de Posgrado, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (G.P.-D.); (E.M.-S.)
| | - Paola C. Sommerhalder-Nava
- Facultad de Ciencias de la Salud, Universidad Anáhuac México Norte, Mexico City 52786, Mexico; (P.C.S.-N.); (A.H.); (B.Z.-M.)
| | - Alejandro Hanono
- Facultad de Ciencias de la Salud, Universidad Anáhuac México Norte, Mexico City 52786, Mexico; (P.C.S.-N.); (A.H.); (B.Z.-M.)
| | | | - Bárbara Zarate-Maldonado
- Facultad de Ciencias de la Salud, Universidad Anáhuac México Norte, Mexico City 52786, Mexico; (P.C.S.-N.); (A.H.); (B.Z.-M.)
| | - Evangelina Muñoz-Soria
- Escuela Superior de Medicina, Departamento de Posgrado, Instituto Politécnico Nacional, Mexico City 11340, Mexico; (G.P.-D.); (E.M.-S.)
| | - Arnoldo Aquino-Gálvez
- Laboratorio de Biología Molecular, Departamento de Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico;
| | - Manuel Castillejos-López
- Departamento de Epidemiología Hospitalaria e Infectología, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico;
| | - Armida Juárez-Cisneros
- Laboratorio HLA, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (B.B.-B.); (A.J.-C.)
| | - Jose S. Lopez-Gonzalez
- Laboratorio de Cáncer Pulmonar, Departamento de Enfermedades Crónico-Degenerativas, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico;
| | - Angel Camarena
- Laboratorio HLA, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City 14080, Mexico; (B.B.-B.); (A.J.-C.)
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Medini H, Zirman A, Mishmar D. Immune system cells from COVID-19 patients display compromised mitochondrial-nuclear expression co-regulation and rewiring toward glycolysis. iScience 2021; 24:103471. [PMID: 34812416 PMCID: PMC8599136 DOI: 10.1016/j.isci.2021.103471] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 09/15/2021] [Accepted: 11/14/2021] [Indexed: 01/06/2023] Open
Abstract
Mitochondria are pivotal for bioenergetics, as well as in cellular response to viral infections. Nevertheless, their role in COVID-19 was largely overlooked. Here, we analyzed available bulk RNA-seq datasets from COVID-19 patients and corresponding healthy controls (three blood datasets, N = 48 healthy, 119 patients; two respiratory tract datasets, N = 157 healthy, 524 patients). We found significantly reduced mtDNA gene expression in blood, but not in respiratory tract samples from patients. Next, analysis of eight single-cells RNA-seq datasets from peripheral blood mononuclear cells, nasopharyngeal samples, and Bronchoalveolar lavage fluid (N = 1,192,243 cells), revealed significantly reduced mtDNA gene expression especially in immune system cells from patients. This is associated with elevated expression of nuclear DNA-encoded OXPHOS subunits, suggesting compromised mitochondrial-nuclear co-regulation. This, together with elevated expression of ROS-response genes and glycolysis enzymes in patients, suggest rewiring toward glycolysis, thus generating beneficial conditions for SARS-CoV-2 replication. Our findings underline the centrality of mitochondrial dysfunction in COVID-19. mtDNA gene expression is downregulated in COVID-19 blood, but not in respiratory tract Decreased mtDNA gene expression disrupts mito-nuclear coordination mtDNA is downregulated and rewired toward glycolysis especially in immune system cells Mitochondrial dysfunction is central to the etiology of COVID19
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Affiliation(s)
- Hadar Medini
- Department of Life Sciences, Ben-Gurion University of the Negev, Building 40, Room 009, Beer-Sheva 84105, Israel
| | - Amit Zirman
- Department of Life Sciences, Ben-Gurion University of the Negev, Building 40, Room 009, Beer-Sheva 84105, Israel
| | - Dan Mishmar
- Department of Life Sciences, Ben-Gurion University of the Negev, Building 40, Room 009, Beer-Sheva 84105, Israel
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Srinivasan K, Pandey AK, Livingston A, Venkatesh S. Roles of host mitochondria in the development of COVID-19 pathology: Could mitochondria be a potential therapeutic target? MOLECULAR BIOMEDICINE 2021; 2:38. [PMID: 34841263 PMCID: PMC8608434 DOI: 10.1186/s43556-021-00060-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 11/04/2021] [Indexed: 02/07/2023] Open
Abstract
The recent emergence of severe acute respiratory syndrome-Corona Virus 2 (SARS-CoV-2) in late 2019 and its spread worldwide caused an acute pandemic of Coronavirus disease 19 (COVID-19). Since then, COVID-19 has been under intense scrutiny as its outbreak led to significant changes in healthcare, social activities, and economic settings worldwide. Although angiotensin-converting enzyme-2 (ACE-2) receptor is shown to be the primary port of SARS-CoV-2 entry in cells, the mechanisms behind the establishment and pathologies of COVID-19 are poorly understood. As recent studies have shown that host mitochondria play an essential role in virus-mediated innate immune response, pathologies, and infection, in this review, we will discuss in detail the entry and progression of SARS-CoV-2 and how mitochondria could play roles in COVID-19 disease. We will also review the potential interactions between SARS-CoV-2 and mitochondria and discuss possible treatments, including whether mitochondria as a potential therapeutic target in COVID-19. Understanding SARS-CoV-2 and mitochondrial interactions mediated virus establishment, inflammation, and other consequences may provide a unique mechanism and conceptual advancement in finding a novel treatment for COVID-19.
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Affiliation(s)
- Kavya Srinivasan
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers -New Jersey Medical School, The State University of New Jersey, Newark, NJ USA
- New York Institute of Technology, Old Westbury, NY USA
| | - Ashutosh Kumar Pandey
- Department of Pharmacology, Physiology and Neuroscience, Rutgers -New Jersey Medical School, The State University of New Jersey, Newark, NJ USA
| | | | - Sundararajan Venkatesh
- Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers -New Jersey Medical School, The State University of New Jersey, Newark, NJ USA
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Costa TJ, Potje SR, Fraga-Silva TFC, da Silva-Neto JA, Barros PR, Rodrigues D, Machado MR, Martins RB, Santos-Eichler RA, Benatti MN, de Sá KSG, Almado CEL, Castro ÍA, Pontelli MC, Serra LL, Carneiro FS, Becari C, Louzada-Junior P, Oliveira RDR, Zamboni DS, Arruda E, Auxiliadora-Martins M, Giachini FRC, Bonato VLD, Zachara NE, Bomfim GF, Tostes RC. Mitochondrial DNA and TLR9 activation contribute to SARS-CoV-2-induced endothelial cell damage. Vascul Pharmacol 2021; 142:106946. [PMID: 34838735 PMCID: PMC8612754 DOI: 10.1016/j.vph.2021.106946] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 11/15/2021] [Indexed: 12/11/2022]
Abstract
Background and purpose Mitochondria play a central role in the host response to viral infection and immunity, being key to antiviral signaling and exacerbating inflammatory processes. Mitochondria and Toll-like receptor (TLR) have been suggested as potential targets in SARS-CoV-2 infection. However, the involvement of TLR9 in SARS-Cov-2-induced endothelial dysfunction and potential contribution to cardiovascular complications in COVID-19 have not been demonstrated. This study determined whether infection of endothelial cells by SARS-CoV-2 affects mitochondrial function and induces mitochondrial DNA (mtDNA) release. We also questioned whether TLR9 signaling mediates the inflammatory responses induced by SARS-CoV-2 in endothelial cells. Experimental approach Human umbilical vein endothelial cells (HUVECs) were infected by SARS-CoV-2 and immunofluorescence was used to confirm the infection. Mitochondrial function was analyzed by specific probes and mtDNA levels by real-time polymerase chain reaction (RT-PCR). Inflammatory markers were measured by ELISA, protein expression by western blot, intracellular calcium (Ca2+) by FLUOR-4, and vascular reactivity with a myography. Key results SARS-CoV-2 infected HUVECs, which express ACE2 and TMPRSS2 proteins, and promoted mitochondrial dysfunction, i.e. it increased mitochondria-derived superoxide anion, mitochondrial membrane potential, and mtDNA release, leading to activation of TLR9 and NF-kB, and release of cytokines. SARS-CoV-2 also decreased nitric oxide synthase (eNOS) expression and inhibited Ca2+ responses in endothelial cells. TLR9 blockade reduced SARS-CoV-2-induced IL-6 release and prevented decreased eNOS expression. mtDNA increased vascular reactivity to endothelin-1 (ET-1) in arteries from wild type, but not TLR9 knockout mice. These events were recapitulated in serum samples from COVID-19 patients, that exhibited increased levels of mtDNA compared to sex- and age-matched healthy subjects and patients with comorbidities. Conclusion and applications SARS-CoV-2 infection impairs mitochondrial function and activates TLR9 signaling in endothelial cells. TLR9 triggers inflammatory responses that lead to endothelial cell dysfunction, potentially contributing to the severity of symptoms in COVID-19. Targeting mitochondrial metabolic pathways may help to define novel therapeutic strategies for COVID-19.
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Affiliation(s)
- Tiago J Costa
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil; Department of Biological Chemistry, The Johns Hopkins University School of Medicine, USA.
| | - Simone R Potje
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil; Minas Gerais State University - UEMG, Brazil
| | - Thais F C Fraga-Silva
- Department of Biochemistry and Immunology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Júlio A da Silva-Neto
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Paula R Barros
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Daniel Rodrigues
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Mirele R Machado
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Ronaldo B Martins
- Virology Research Center, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | | | - Maira N Benatti
- Department of Clinical Medicine, Division of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Keyla S G de Sá
- Department of Cell and Molecular Biology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Carlos Eduardo L Almado
- Institute of Biological and Health Sciences, Federal University of Mato Grosso - UFMT, Brazil
| | - Ítalo A Castro
- Virology Research Center, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Marjorie C Pontelli
- Virology Research Center, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Leonardo La Serra
- Virology Research Center, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Fernando S Carneiro
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Christiane Becari
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Paulo Louzada-Junior
- Department of Clinical Medicine, Division of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Rene D R Oliveira
- Department of Clinical Medicine, Division of Internal Medicine, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Dario S Zamboni
- Department of Cell and Molecular Biology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Eurico Arruda
- Virology Research Center, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Maria Auxiliadora-Martins
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Fernanda R C Giachini
- Institute of Biological and Health Sciences, Federal University of Mato Grosso - UFMT, Brazil
| | - Vânia L D Bonato
- Department of Biochemistry and Immunology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil
| | - Natasha E Zachara
- Department of Biological Chemistry, The Johns Hopkins University School of Medicine, USA
| | - Gisele F Bomfim
- Institute of Health Sciences, Federal University of Mato Grosso - UFMT, Brazil
| | - Rita C Tostes
- Department of Pharmacology, Ribeirao Preto Medical School, University of São Paulo - USP, Brazil.
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Nunn AVW, Guy GW, Botchway SW, Bell JD. SARS-CoV-2 and EBV; the cost of a second mitochondrial "whammy"? Immun Ageing 2021; 18:40. [PMID: 34717676 PMCID: PMC8556816 DOI: 10.1186/s12979-021-00252-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 10/21/2021] [Indexed: 12/26/2022]
Abstract
We, and others, have suggested that as the SARS-CoV-2 virus may modulate mitochondrial function, good mitochondrial reserve and health could be key in determining disease severity when exposed to this virus, as the immune system itself is dependent on this organelle's function. With the recent publication of a paper showing that long COVID could be associated with the reactivation of the Epstein Barr Virus, which is well known to manipulate mitochondria, we suggest that this could represent a second mitochondrial "whammy" that might support the mitochondrial hypothesis underlying COVID-19 severity and potentially, the occurrence of longer-term symptoms. As mitochondrial function declines with age, this could be an important factor in why older populations are more susceptible. Key factors which ensure optimal mitochondrial health are generally those that ensure healthy ageing, such as a good lifestyle with plenty of physical activity. The ability of viruses to manipulate mitochondrial function is well described, and it is now also thought that for evolutionary reasons, they also manipulate the ageing process. Given that slowing the ageing process could well be linked to better economic outcomes, the link between mitochondrial health, economics, COVID-19 and other viruses, as well as lifestyle, needs to be considered.
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Affiliation(s)
- Alistair V W Nunn
- Research Centre for Optimal Health, Department of Life Sciences, University of Westminster, W1W 6UW, London, UK.
| | | | - Stanley W Botchway
- Department of Biological and Medical Sciences, UKRI, STFC, Central Laser Facility, Oxford Brookes University, OX1 10QX, Oxford, UK
| | - Jimmy D Bell
- Research Centre for Optimal Health, Department of Life Sciences, University of Westminster, W1W 6UW, London, UK
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Alayash AI. The Impact of COVID-19 Infection on Oxygen Homeostasis: A Molecular Perspective. Front Physiol 2021; 12:711976. [PMID: 34690793 PMCID: PMC8532809 DOI: 10.3389/fphys.2021.711976] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 08/27/2021] [Indexed: 12/14/2022] Open
Abstract
The novel coronavirus (2019-nCoV/SARS-CoV-2) causes respiratory symptoms including a substantial pulmonary dysfunction with worsening arterial hypoxemia (low blood oxygenation), eventually leading to acute respiratory distress syndrome (ARDS). The impact of the viral infection on blood oxygenation and other elements of oxygen homeostasis, such as oxygen sensing and respiratory mitochondrial mechanisms, are not well understood. As a step toward understanding these mechanisms in the context of COVID-19, recent experiments revealed contradictory data on the impact of COVID-19 infection on red blood cells (RBCs) oxygenation parameters. However, structural protein damage and membrane lipid remodeling in RBCs from COVID-19 patients that may impact RBC function have been reported. Moreover, COVID-19 infection could potentially disrupt one, if not all, of the other major pathways of homeostasis. Understanding the nature of the crosstalk among normal homeostatic pathways; oxygen carrying, oxygen sensing (i.e., hypoxia inducible factor, HIF) proteins, and the mitochondrial respiratory machinery may provide a target for therapeutic interventions.
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Affiliation(s)
- Abdu I Alayash
- Division of Blood and Devices (DBCD), United States Food and Drug Administration, Silver Spring, MD, United States
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Fratta Pasini AM, Stranieri C, Girelli D, Busti F, Cominacini L. Is Ferroptosis a Key Component of the Process Leading to Multiorgan Damage in COVID-19? Antioxidants (Basel) 2021; 10:1677. [PMID: 34829548 PMCID: PMC8615234 DOI: 10.3390/antiox10111677] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/20/2021] [Accepted: 10/22/2021] [Indexed: 01/08/2023] Open
Abstract
Even though COVID-19 is mostly well-known for affecting respiratory pathology, it can also result in several extrapulmonary manifestations, leading to multiorgan damage. A recent reported case of SARS-CoV-2 myocarditis with cardiogenic shock showed a signature of myocardial and kidney ferroptosis, a novel, iron-dependent programmed cell death. The term ferroptosis was coined in the last decade to describe the form of cell death induced by the small molecule erastin. As a specific inducer of ferroptosis, erastin inhibits cystine-glutamate antiporter system Xc-, blocking transportation into the cytoplasm of cystine, a precursor of glutathione (GSH) in exchange with glutamate and the consequent malfunction of GPX4. Ferroptosis is also promoted by intracellular iron overload and by the iron-dependent accumulation of polyunsaturated fatty acids (PUFA)-derived lipid peroxides. Since depletion of GSH, inactivation of GPX4, altered iron metabolism, and upregulation of PUFA peroxidation by reactive oxygen species are peculiar signs of COVID-19, there is the possibility that SARS-CoV-2 may trigger ferroptosis in the cells of multiple organs, thus contributing to multiorgan damage. Here, we review the molecular mechanisms of ferroptosis and its possible relationship with SARS-CoV-2 infection and multiorgan damage. Finally, we analyze the potential interventions that may combat ferroptosis and, therefore, reduce multiorgan damage.
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Affiliation(s)
- Anna Maria Fratta Pasini
- Department of Medicine, Section of Internal Medicine D, University of Verona, 37134 Verona, Italy; (C.S.); (D.G.); (F.B.); (L.C.)
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Moos WH, Faller DV, Glavas IP, Harpp DN, Kamperi N, Kanara I, Kodukula K, Mavrakis AN, Pernokas J, Pernokas M, Pinkert CA, Powers WR, Steliou K, Tamvakopoulos C, Vavvas DG, Zamboni RJ, Sampani K. Pathogenic mitochondrial dysfunction and metabolic abnormalities. Biochem Pharmacol 2021; 193:114809. [PMID: 34673016 DOI: 10.1016/j.bcp.2021.114809] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 02/07/2023]
Abstract
Herein we trace links between biochemical pathways, pathogenesis, and metabolic diseases to set the stage for new therapeutic advances. Cellular and acellular microorganisms including bacteria and viruses are primary pathogenic drivers that cause disease. Missing from this statement are subcellular compartments, importantly mitochondria, which can be pathogenic by themselves, also serving as key metabolic disease intermediaries. The breakdown of food molecules provides chemical energy to power cellular processes, with mitochondria as powerhouses and ATP as the principal energy carrying molecule. Most animal cell ATP is produced by mitochondrial synthase; its central role in metabolism has been known for >80 years. Metabolic disorders involving many organ systems are prevalent in all age groups. Progressive pathogenic mitochondrial dysfunction is a hallmark of genetic mitochondrial diseases, the most common phenotypic expression of inherited metabolic disorders. Confluent genetic, metabolic, and mitochondrial axes surface in diabetes, heart failure, neurodegenerative disease, and even in the ongoing coronavirus pandemic.
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Affiliation(s)
- Walter H Moos
- Department of Pharmaceutical Chemistry, School of Pharmacy, University of California San Francisco, San Francisco, CA, USA.
| | - Douglas V Faller
- Department of Medicine, Boston University School of Medicine, Boston, MA, USA; Cancer Research Center, Boston University School of Medicine, Boston, MA, USA
| | - Ioannis P Glavas
- Department of Ophthalmology, New York University School of Medicine, New York, NY, USA
| | - David N Harpp
- Department of Chemistry, McGill University, Montreal, QC, Canada
| | - Natalia Kamperi
- Center for Clinical, Experimental Surgery and Translational Research Pharmacology-Pharmacotechnology, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | | | | | - Anastasios N Mavrakis
- Department of Medicine, Tufts University School of Medicine, St. Elizabeth's Medical Center, Boston, MA, USA
| | - Julie Pernokas
- Advanced Dental Associates of New England, Woburn, MA, USA
| | - Mark Pernokas
- Advanced Dental Associates of New England, Woburn, MA, USA
| | - Carl A Pinkert
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Whitney R Powers
- Department of Health Sciences, Boston University, Boston, MA, USA; Department of Anatomy, Boston University School of Medicine, Boston, MA, USA
| | - Kosta Steliou
- Cancer Research Center, Boston University School of Medicine, Boston, MA, USA; PhenoMatriX, Inc., Natick, MA, USA
| | - Constantin Tamvakopoulos
- Center for Clinical, Experimental Surgery and Translational Research Pharmacology-Pharmacotechnology, Biomedical Research Foundation, Academy of Athens, Athens, Greece
| | - Demetrios G Vavvas
- Department of Ophthalmology, Harvard Medical School, Boston, MA, USA; Retina Service, Angiogenesis Laboratory, Massachusetts Eye and Ear Infirmary, Boston, MA, USA
| | - Robert J Zamboni
- Department of Chemistry, McGill University, Montreal, QC, Canada
| | - Konstantina Sampani
- Beetham Eye Institute, Joslin Diabetes Center, Boston, MA, USA; Department of Medicine, Harvard Medical School, Boston, MA, USA.
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50
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Kalyanaraman B. Reactive oxygen species, proinflammatory and immunosuppressive mediators induced in COVID-19: overlapping biology with cancer. RSC Chem Biol 2021; 2:1402-1414. [PMID: 34704045 PMCID: PMC8496060 DOI: 10.1039/d1cb00042j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 06/30/2021] [Indexed: 12/14/2022] Open
Abstract
This review analyzes the published literature linking the different mechanisms focused on oxidative stress and inflammation that contribute to COVID-19 disease severity. The objective is to bring together potential proinflammatory mechanisms of COVID-19 pathogenesis and address mitigation strategies using naturally occurring compounds and FDA-approved drugs. Outstanding questions addressed include the following: What is the mechanistic basis for linking enhanced vulnerability in COVID-19 to increased oxidative damage and proinflammatory mediators (e.g., cytokines), especially in high-risk people? Can we repurpose anti-inflammatory and immunomodulatory agents to mitigate inflammation in COVID-19 patients? How does 2-deoxy-d-glucose function as an anti-COVID drug? COVID-19, cancer biology, and immunotherapy share many mechanistic similarities. Repurposing drugs that already have been FDA-approved for mitigating inflammation and immunosuppression in cancer may be a way to counteract disease severity, progression, and chronic inflammation in COVID-19. What are the long-term effects of reactive oxygen species-inducing immune cells and sustained inflammation in so-called long-haulers (long COVID) after recovery from COVID-19? Can we use mitochondria-targeted agents prophylactically to prevent inflammation and boost immunity in long-haulers? Addressing the oxidative chemical biology of COVID-19 and the mechanistic commonalities with cancer may provide new insights potentially leading to appropriate clinical trials and new treatments.
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Affiliation(s)
- Balaraman Kalyanaraman
- Department of Biophysics, Cancer Center, Center for Disease Prevention Research, Medical College of Wisconsin 8701 Watertown Plank Road Milwaukee WI 53226 USA
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