1
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Quiroga J, Cortes B, Sarmiento J, Morán G, Henríquez C. Characterization of extracellular trap production and release by equine neutrophils in response to different stimuli. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2024; 155:105151. [PMID: 38423491 DOI: 10.1016/j.dci.2024.105151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 01/31/2024] [Accepted: 02/19/2024] [Indexed: 03/02/2024]
Abstract
This study explores Neutrophil Extracellular Trap (NET) formation in equine neutrophils, which is crucial for eliminating infections and is implicated in various equine inflammatory diseases. We investigated the molecular pathways involved in NET release by equine neutrophils in response to stimuli. We use PMA, A23187, LPS, PAF, OZ, and cytokines, observing NET release in response to PMA, PAF, and A23187. In contrast, LPS, OZ, and the cytokines tested did not induce DNA release or did not consistently induce citrullination of histone 4. Peptidyl-arginine deiminase inhibition completely halted NET release, while NADPH oxidase and mitochondrial reactive oxygen species only played a role in PMA-induced NETs. Neutrophil elastase inhibition modestly affected PAF-induced NET liberation but not in PMA or A23187-induced NET, while myeloperoxidase did not contribute to NET release. We expect to provide a foundation for future investigations into the role of NETs in equine health and disease and the search for potential therapeutic targets.
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Affiliation(s)
- John Quiroga
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Chile
| | - Bayron Cortes
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Chile
| | - José Sarmiento
- Instituto de Fisiología, Facultad de Medicina, Universidad Austral de Chile, Chile
| | - Gabriel Morán
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Chile
| | - Claudio Henríquez
- Instituto de Farmacología y Morfofisiología, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Chile.
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2
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Dos Ramos Almeida CJL, Veras FP, Paiva IM, Schneider AH, da Costa Silva J, Gomes GF, Costa VF, Silva BMS, Caetite DB, Silva CMS, Salina ACG, Martins R, Bonilha CS, Cunha LD, Jamur MC, da Silva LLP, Arruda E, Zamboni DS, Louzada-Junior P, de Oliveira RDR, Alves-Filho JC, Cunha TM, de Queiroz Cunha F. Neutrophil Virucidal Activity Against SARS-CoV-2 Is Mediated by Neutrophil Extracellular Traps. J Infect Dis 2024; 229:1352-1365. [PMID: 38015657 DOI: 10.1093/infdis/jiad526] [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: 03/06/2023] [Revised: 11/10/2023] [Accepted: 11/27/2023] [Indexed: 11/30/2023] Open
Abstract
BACKGROUND Inflammation in the lungs and other vital organs in COVID-19 is characterized by the presence of neutrophils and a high concentration of neutrophil extracellular traps (NETs), which seems to mediate host tissue damage. However, it is not known whether NETs could have virucidal activity against SARS-CoV-2. METHODS We investigated whether NETs could prevent SARS-CoV-2 replication in neutrophils and epithelial cells and what the consequence of NETs degradation would be in K18-humanized ACE2 transgenic mice infected with SARS-CoV-2. RESULTS Here, by immunofluorescence microscopy, we observed that viral particles colocalize with NETs in neutrophils isolated from patients with COVID-19 or healthy individuals and infected in vitro. The inhibition of NETs production increased virus replication in neutrophils. In parallel, we observed that NETs inhibited virus abilities to infect and replicate in epithelial cells after 24 hours of infection. Degradation of NETs with DNase I prevented their virucidal effect in vitro. Using K18-humanized ACE2 transgenic mice, we observed a higher viral load in animals treated with DNase I. However, the virucidal effect of NETs was not dependent on neutrophil elastase or myeloperoxidase activity. CONCLUSIONS Our results provide evidence of the role of NETosis as a mechanism of SARS-CoV-2 viral capture and inhibition.
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Affiliation(s)
| | - Flávio Protásio Veras
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
- Department of BioMolecular Sciences, School of Pharmaceutical Sciences of Ribeirão Preto
| | - Isadora Marques Paiva
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | - Ayda Henriques Schneider
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | - Juliana da Costa Silva
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | - Giovanni Freitas Gomes
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | - Victor Ferreira Costa
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | | | - Diego Brito Caetite
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | | | | | - Ronaldo Martins
- Department of Cellular and Molecular Biology and Pathogenic Bioagents
- Virology Research Center, Ribeirão Preto Medical School, University of São Paulo, Brazil
| | - Caio Santos Bonilha
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | | | - Maria Célia Jamur
- Department of Cellular and Molecular Biology and Pathogenic Bioagents
| | - Luís Lamberti Pinto da Silva
- Department of Cellular and Molecular Biology and Pathogenic Bioagents
- Virology Research Center, Ribeirão Preto Medical School, University of São Paulo, Brazil
| | - Eurico Arruda
- Department of Cellular and Molecular Biology and Pathogenic Bioagents
- Virology Research Center, Ribeirão Preto Medical School, University of São Paulo, Brazil
| | | | - Paulo Louzada-Junior
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | | | - José Carlos Alves-Filho
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | - Thiago Mattar Cunha
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
| | - Fernando de Queiroz Cunha
- Center for Research in Inflammatory Diseases
- Department of Pharmacology, Ribeirão Preto Medical School
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3
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da Silva NM, Leite NPDM, Carvalho AE, Almeida VDD, Santos ÍKD, Cavalcanti JRLDP, Fernandes TAADM, Nascimento EGCD, Andrade MFD. The Role of Extracellular Traps in HIV Infection. AIDS Res Hum Retroviruses 2024; 40:308-316. [PMID: 37772695 DOI: 10.1089/aid.2022.0178] [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] [Indexed: 09/30/2023] Open
Abstract
Human immunodeficiency virus (HIV) infection is still an important public health problem, which justifies the research of new therapies to combat it. Recent studies show that Extracellular Traps (ETs) are cellular mechanisms useful in the capture and destruction of some viruses, such as the HIV. Here, we show that neutrophils from peripheral blood, genital tissues, and placenta are activated when exposed to human immunodeficiency virus type 1 (HIV-1) and release Neutrophil Extracellular Traps (NETs). The NETs can capture, neutralize, and inactivate the virus and, also, protect other target cells from HIV infection, as long as the DNA and other constituents of the NETs remain intact. Further, the review indicates that the immunoprotective role of NETs in the context of HIV-1 infection is a promising finding for the development of new antiviral therapies. It is necessary, however, the development of studies that evaluate the tissue injury that NETs can cause and the biological relationships with other cells to improve them as therapeutic targets.
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Affiliation(s)
- Natanias Macson da Silva
- Graduate Program in Health and Society, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Department of Biomedical Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
| | | | - Amanda Estevam Carvalho
- Multicenter Graduate Program in Biochemistry and Molecular Biology, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
| | - Valéria Duarte de Almeida
- Multicenter Graduate Program in Physiological Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
| | - Ísis Kelly Dos Santos
- Department of Physical Education, School of Physical Education, University of Rio Grande do Norte State, Mossoro, Brazil
| | - José Rodolfo Lopes de Paiva Cavalcanti
- Graduate Program in Health and Society, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Department of Biomedical Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Multicenter Graduate Program in Biochemistry and Molecular Biology, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Multicenter Graduate Program in Physiological Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
| | - Thales Allyrio Araújo de Medeiros Fernandes
- Graduate Program in Health and Society, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Department of Biomedical Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Multicenter Graduate Program in Biochemistry and Molecular Biology, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Multicenter Graduate Program in Physiological Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
| | - Ellany Gurgel Cosme do Nascimento
- Graduate Program in Health and Society, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Department of Biomedical Sciences, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
| | - Micássio Fernandes de Andrade
- Graduate Program in Health and Society, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Multicenter Graduate Program in Biochemistry and Molecular Biology, School of Health Sciences, University of Rio Grande do Norte State, Mossoro, Brazil
- Department of Health Sciences, School of Biological and Health Sciences, Federal Rural University of the Semi-arid, Mossoro, Brazil
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4
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Valentin S, Regnault V, Gueant JL, Ribeiro Baptista B, Abel T, Lacolley P, Schlemmer F, Chaouat A, Chabot F, Gueant-Rodriguez RM. Long-term follow-up of neutrophil activation after severe-to-critical SARS-CoV-2 infection: A longitudinal study. Allergy 2024. [PMID: 38610102 DOI: 10.1111/all.16123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/19/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024]
Affiliation(s)
- Simon Valentin
- Département de Pneumologie, Vandœuvre-lès-Nancy, Université de Lorraine, CHRU de Nancy, France
- Inserm U1254 IADI Imagerie Adaptative Diagnostique et Interventionnelle, Université de Lorraine, Nancy, France
| | - Veronique Regnault
- Inserm U1116 DCAC Défaillance Cardiovasculaire Aiguë et Chronique, Université de Lorraine, Nancy, France
| | - Jean-Louis Gueant
- Inserm U1256 NGERE Nutrition-Génétique et Exposition aux Risques Environnementaux, Université de Lorraine, Nancy, France
| | - Bruno Ribeiro Baptista
- Département de Pneumologie, Vandœuvre-lès-Nancy, Université de Lorraine, CHRU de Nancy, France
- Inserm U1116 DCAC Défaillance Cardiovasculaire Aiguë et Chronique, Université de Lorraine, Nancy, France
| | - Thery Abel
- Département de Pneumologie, Vandœuvre-lès-Nancy, Université de Lorraine, CHRU de Nancy, France
| | - Patrick Lacolley
- Inserm U1116 DCAC Défaillance Cardiovasculaire Aiguë et Chronique, Université de Lorraine, Nancy, France
| | - Frederic Schlemmer
- Inserm U955, Université Paris Est Créteil, Créteil, France
- Assistance Publique Hôpitaux de Paris, Hôpitaux Universitaires Henri-Mondor, Unité de Pneumologie, Créteil, France
| | - Ari Chaouat
- Département de Pneumologie, Vandœuvre-lès-Nancy, Université de Lorraine, CHRU de Nancy, France
- Inserm U1116 DCAC Défaillance Cardiovasculaire Aiguë et Chronique, Université de Lorraine, Nancy, France
| | - François Chabot
- Département de Pneumologie, Vandœuvre-lès-Nancy, Université de Lorraine, CHRU de Nancy, France
- Inserm U1116 DCAC Défaillance Cardiovasculaire Aiguë et Chronique, Université de Lorraine, Nancy, France
| | - Rosa-Maria Gueant-Rodriguez
- Inserm U1256 NGERE Nutrition-Génétique et Exposition aux Risques Environnementaux, Université de Lorraine, Nancy, France
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5
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Mader K, Dustin LB. Beyond bNAbs: Uses, Risks, and Opportunities for Therapeutic Application of Non-Neutralising Antibodies in Viral Infection. Antibodies (Basel) 2024; 13:28. [PMID: 38651408 PMCID: PMC11036282 DOI: 10.3390/antib13020028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 03/27/2024] [Accepted: 03/30/2024] [Indexed: 04/25/2024] Open
Abstract
The vast majority of antibodies generated against a virus will be non-neutralising. However, this does not denote an absence of protective capacity. Yet, within the field, there is typically a large focus on antibodies capable of directly blocking infection (neutralising antibodies, NAbs) of either specific viral strains or multiple viral strains (broadly-neutralising antibodies, bNAbs). More recently, a focus on non-neutralising antibodies (nNAbs), or neutralisation-independent effects of NAbs, has emerged. These can have additive effects on protection or, in some cases, be a major correlate of protection. As their name suggests, nNAbs do not directly neutralise infection but instead, through their Fc domains, may mediate interaction with other immune effectors to induce clearance of viral particles or virally infected cells. nNAbs may also interrupt viral replication within infected cells. Developing technologies of antibody modification and functionalisation may lead to innovative biologics that harness the activities of nNAbs for antiviral prophylaxis and therapeutics. In this review, we discuss specific examples of nNAb actions in viral infections where they have known importance. We also discuss the potential detrimental effects of such responses. Finally, we explore new technologies for nNAb functionalisation to increase efficacy or introduce favourable characteristics for their therapeutic applications.
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Affiliation(s)
| | - Lynn B. Dustin
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Headington, Oxford OX3 7FY, UK;
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6
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Convertino D, Nencioni M, Russo L, Mishra N, Hiltunen VM, Bertilacchi MS, Marchetti L, Giacomelli C, Trincavelli ML, Coletti C. Interaction of graphene and WS 2 with neutrophils and mesenchymal stem cells: implications for peripheral nerve regeneration. NANOSCALE 2024; 16:1792-1806. [PMID: 38175567 DOI: 10.1039/d3nr04927b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Graphene and bidimensional (2D) materials have been widely used in nerve conduits to boost peripheral nerve regeneration. Nevertheless, the experimental and commercial variability in graphene-based materials generates graphene forms with different structures and properties that can trigger entirely diverse biological responses from all the players involved in nerve repair. Herein, we focus on the graphene and tungsten disulfide (WS2) interaction with non-neuronal cell types involved in nerve tissue regeneration. We synthesize highly crystalline graphene and WS2 with scalable techniques such as thermal decomposition and chemical vapor deposition. The materials were able to trigger the activation of a neutrophil human model promoting Neutrophil Extracellular Traps (NETs) production, particularly under basal conditions, although neutrophils were not able to degrade graphene. Of note is that pristine graphene acts as a repellent for the NET adhesion, a beneficial property for nerve conduit long-term applications. Mesenchymal stem cells (MSCs) have been proposed as a promising strategy for nerve regeneration in combination with a conduit. Thus, the interaction of graphene with MSCs was also investigated, and reduced viability was observed only on specific graphene substrates. Overall, the results confirm the possibility of regulating the cell response by varying graphene properties and selecting the most suitable graphene forms.
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Affiliation(s)
- Domenica Convertino
- Center for Nanotechnology Innovation @ NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, Pisa, Italy.
| | - Martina Nencioni
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy.
| | - Lara Russo
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy.
| | - Neeraj Mishra
- Center for Nanotechnology Innovation @ NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, Pisa, Italy.
- Graphene Labs, Istituto Italiano di Tecnologia, Via Morego 30, Genova, Italy
| | - Vesa-Matti Hiltunen
- Center for Nanotechnology Innovation @ NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, Pisa, Italy.
- Graphene Labs, Istituto Italiano di Tecnologia, Via Morego 30, Genova, Italy
| | | | - Laura Marchetti
- Center for Nanotechnology Innovation @ NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, Pisa, Italy.
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy.
| | - Chiara Giacomelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa, Italy.
| | | | - Camilla Coletti
- Center for Nanotechnology Innovation @ NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, Pisa, Italy.
- Graphene Labs, Istituto Italiano di Tecnologia, Via Morego 30, Genova, Italy
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7
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Pourazizi M, Hakamifard A, Peyman A, Mohammadi R, Dehghani S, Tavousi N, Hosseini NS, Azhdari Tehrani H, Abtahi-Naeini B. COVID-19 associated mucormycosis surge: A review on multi-pathway mechanisms. Parasite Immunol 2024; 46:e13016. [PMID: 37846902 DOI: 10.1111/pim.13016] [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: 02/25/2023] [Revised: 09/29/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023]
Abstract
Mucormycosis is a fungal infection caused by moulds from the Mucorales order. Concerns have been mounting due to the alarming increase in severe morbidity and mortality associated with mucormycosis during the COVID-19 pandemic. This condition, known as COVID-19-associated mucormycosis (CAM), has been linked to various environmental, host-related, and medical factors on a global scale. We have categorized the most significant potential risk factors for developing mucormycosis in individuals with a previous history of coronavirus infection into 10 major categories. These categories include acute hyperglycemia, the impact of cytokine release, immune response deficiencies in COVID-19 patients, microvasculopathy and dysfunction of endothelial cells, imbalances in iron metabolism, metabolic acidosis, organ damage resulting from COVID-19, underlying health conditions (such as diabetes), environmental factors, and medical treatments that can be iatrogenic in nature (such as inappropriate glucocorticoid use). Many of these factors can lead to potentially life-threatening infections that can complicate the treatment of COVID-19. Physicians should be vigilant about these factors because early detection of mucormycosis is crucial for effective management of this condition.
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Affiliation(s)
- Mohsen Pourazizi
- Isfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Atousa Hakamifard
- Infectious Diseases and Tropical Medicine Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Peyman
- Isfahan Eye Research Center, Department of Ophthalmology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Rasoul Mohammadi
- Department of Medical Parasitology and Mycology, School of Medicine, Infectious Diseases and Tropical Medicine Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shakiba Dehghani
- Farabi Eye Hospital, Department of Ophthalmology, Tehran University of Medical Science, Tehran, Iran
| | - Najmeh Tavousi
- School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Hamed Azhdari Tehrani
- Department of Hematology and Medical Oncology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Bahareh Abtahi-Naeini
- Pediatric Dermatology Division of Department of Pediatrics, Imam Hossein Children's Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
- Skin Diseases and Leishmaniasis Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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8
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Salzmann M, Gibler P, Haider P, Brekalo M, Plasenzotti R, Filip T, Nistelberger R, Hartmann B, Wojta J, Hengstenberg C, Podesser BK, Kral-Pointner JB, Hohensinner PJ. Neutrophil extracellular traps induce persistent lung tissue damage via thromboinflammation without altering virus resolution in a mouse coronavirus model. J Thromb Haemost 2024; 22:188-198. [PMID: 37748582 DOI: 10.1016/j.jtha.2023.09.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/27/2023]
Abstract
BACKGROUND During infection, neutrophil extracellular traps (NETs) are associated with severity of pulmonary diseases such as acute respiratory disease syndrome. NETs induce subsequent immune responses, are directly cytotoxic to pulmonary cells, and are highly procoagulant. Anticoagulation treatment was shown to reduce in-hospital mortality, indicating thromboinflammatory complications. However, data are sparsely available on the involvement of NETs in secondary events after virus clearance, which can lead to persistent lung damage and postacute sequelae with chronic fatigue and dyspnea. OBJECTIVES This study focuses on late-phase events using a murine model of viral lung infection with postacute sequelae after virus resolution. METHODS C57BL/6JRj mice were infected intranasally with the betacoronavirus murine coronavirus (MCoV, strain MHV-A95), and tissue samples were collected after 2, 4, and 10 days. For NET modulation, mice were pretreated with OM-85 or GSK484 and DNase I were administered intraperitoneally between days 2 to 5 and days 4 to 7, respectively. RESULTS Rapid, platelet-attributed thrombus formation was followed by a second, late phase of thromboinflammation. This phase was characterized by negligible virus titers but pronounced tissue damage, apoptosis, oxidative DNA damage, and presence of NETs. Inhibition of NETs during the acute phase did not impact virus burden but decreased lung cell apoptosis by 67% and oxidative stress by 94%. Prevention of neutrophil activation by immune training before virus infection reduced damage by 75%, NETs by 31%, and pulmonary thrombi by 93%. CONCLUSION NETs are detrimental inducers of tissue damage during respiratory virus infection but do not contribute to virus clearance.
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Affiliation(s)
- Manuel Salzmann
- Department of Internal Medicine II/Cardiology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria
| | - Patrizia Gibler
- Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria
| | - Patrick Haider
- Department of Internal Medicine II/Cardiology, Medical University of Vienna, Vienna, Austria
| | - Mira Brekalo
- Department of Internal Medicine II/Cardiology, Medical University of Vienna, Vienna, Austria
| | - Roberto Plasenzotti
- Core facility laboratory animal breeding and husbandry, Medical University of Vienna, Vienna, Austria
| | - Thomas Filip
- Core facility laboratory animal breeding and husbandry, Medical University of Vienna, Vienna, Austria
| | - Rebecca Nistelberger
- Core facility laboratory animal breeding and husbandry, Medical University of Vienna, Vienna, Austria
| | - Boris Hartmann
- Institute of Veterinary Disease Control, AGES, Mödling, Austria
| | - Johann Wojta
- Department of Internal Medicine II/Cardiology, Medical University of Vienna, Vienna, Austria; Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria
| | - Christian Hengstenberg
- Department of Internal Medicine II/Cardiology, Medical University of Vienna, Vienna, Austria
| | - Bruno K Podesser
- Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria; Center for Biomedical Research and Translational Surgery, Medical University of Vienna, Vienna, Austria
| | - Julia B Kral-Pointner
- Department of Internal Medicine II/Cardiology, Medical University of Vienna, Vienna, Austria
| | - Philipp J Hohensinner
- Ludwig Boltzmann Institute for Cardiovascular Research, Vienna, Austria; Center for Biomedical Research and Translational Surgery, Medical University of Vienna, Vienna, Austria.
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9
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Zafarani A, Razizadeh MH, Haghi A. Neutrophil extracellular traps in influenza infection. Heliyon 2023; 9:e23306. [PMID: 38144312 PMCID: PMC10746519 DOI: 10.1016/j.heliyon.2023.e23306] [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: 05/19/2023] [Revised: 11/22/2023] [Accepted: 11/30/2023] [Indexed: 12/26/2023] Open
Abstract
Despite recent progress in developing novel therapeutic approaches and vaccines, influenza is still considered a global health threat, with about half a million mortality worldwide. This disease is caused by Influenza viruses, which are known for their rapid evolution due to different genetical mechanisms that help them develop new strains with the ability to evade therapies and immunization. Neutrophils are one of the first immune effectors that act against pathogens. They use multiple mechanisms, including phagocytosis, releasing the reactive oxygen species, degranulation, and the production of neutrophil extracellular traps. Neutrophil extracellular traps are used to ensnare pathogens; however, their dysregulation is attributed to inflammatory and infectious diseases. Here, we discuss the effects of these extracellular traps in the clinical course of influenza infection and their ability to be a potential target in treating influenza infection.
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Affiliation(s)
- Alireza Zafarani
- Department of Hematology & Blood Banking, School of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Razizadeh
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Atousa Haghi
- Young Researchers & Elite Club, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
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10
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Huang MYY, Lippuner C, Schiff M, Book M, Stueber F. Neutrophil extracellular trap formation during surgical procedures: a pilot study. Sci Rep 2023; 13:15217. [PMID: 37709941 PMCID: PMC10502064 DOI: 10.1038/s41598-023-42565-5] [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: 05/23/2023] [Accepted: 09/12/2023] [Indexed: 09/16/2023] Open
Abstract
Neutrophils can release neutrophil extracellular traps (NETs) containing DNA fibres and antimicrobial peptides to immobilize invading pathogens. NET formation (NETosis) plays a vital role in inflammation and immune responses. In this study we investigated the impact of surgical trauma on NETosis of neutrophils. Nine patients undergoing "Transcatheter/percutaneous aortic valve implantation" (TAVI/PAVI, mild surgical trauma), and ten undergoing "Aortocoronary bypass" (ACB, severe surgical trauma) were included in our pilot study. Peripheral blood was collected before, end of, and after surgery (24 h and 48 h). Neutrophilic granulocytes were isolated and stimulated in vitro with Phorbol-12-myristate-13-acetate (PMA). NETosis rate was examined by microscopy. In addition, HLA-DR surface expression on circulating monocytes was analysed by flow-cytometry as a prognostic marker of the immune status. Both surgical procedures led to significant down regulation of monocytic HLA-DR surface expression, albeit more pronounced in ACB patients, and there was a similar trend in NETosis regulation over the surgical 24H course. Upon PMA stimulation, no significant difference in NETosis was observed over time in TAVI/PAVI group; however, a decreasing NETosis trend with a significant drop upon ACB surgery was evident. The reduced PMA-induced NETosis in ACB group suggests that the inducibility of neutrophils to form NETs following severe surgical trauma may be compromised. Moreover, the decreased monocytic HLA-DR expression suggests a post-operative immunosuppressed status in all patients, with a bigger impact by ACB, which might be attributed to the extracorporeal circulation or tissue damage occurring during surgery.
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Affiliation(s)
- Melody Ying-Yu Huang
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
- Department for BioMedical Research, University of Bern, Bern, Switzerland.
- Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zürich, Zürich, Switzerland.
| | - Christoph Lippuner
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Marcel Schiff
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
- Universitätsklinikum Freiburg, Freiburg, Germany
| | - Malte Book
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- Universitätsklinik für Anästhesiologie/Intensiv-/Notfallmedizin/Schmerztherapie, Oldenburg, Germany
| | - Frank Stueber
- Department of Anaesthesiology and Pain Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.
- Department for BioMedical Research, University of Bern, Bern, Switzerland.
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11
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Misra G, Manzoor A, Chopra M, Upadhyay A, Katiyar A, Bhushan B, Anvikar A. Genomic epidemiology of SARS-CoV-2 from Uttar Pradesh, India. Sci Rep 2023; 13:14847. [PMID: 37684328 PMCID: PMC10491582 DOI: 10.1038/s41598-023-42065-6] [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: 05/12/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023] Open
Abstract
The various strains and mutations of SARS-CoV-2 have been tracked using several forms of genomic classification systems. The present study reports high-throughput sequencing and analysis of 99 SARS-CoV-2 specimens from Western Uttar Pradesh using sequences obtained from the GISAID database, followed by phylogeny and clade classification. Phylogenetic analysis revealed that Omicron lineages BA-2-like (55.55%) followed by Delta lineage-B.1.617.2 (45.5%) were predominantly circulating in this area Signature substitution at positions S: N501Y, S: D614G, S: T478K, S: K417N, S: E484A, S: P681H, and S: S477N were commonly detected in the Omicron variant-BA-2-like, however S: D614G, S: L452R, S: P681R and S: D950N were confined to Delta variant-B.1.617.2. We have also identified three escape variants in the S gene at codon position 19 (T19I/R), 484 (E484A/Q), and 681 (P681R/H) during the fourth and fifth waves in India. Based on the phylogenetic diversification studies and similar changes in other lineages, our analysis revealed indications of convergent evolution as the virus adjusts to the shifting immunological profile of its human host. To the best of our knowledge, this study is an approach to comprehensively map the circulating SARS-CoV-2 strains from Western Uttar Pradesh using an integrated approach of whole genome sequencing and phylogenetic analysis. These findings will be extremely valuable in developing a structured approach toward pandemic preparedness and evidence-based intervention plans in the future.
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Affiliation(s)
- Gauri Misra
- Molecular Diagnostics and COVID-19 Kit Testing Laboratory, National Institute of Biologicals (Ministry of Health and Family Welfare), A-32, Sector-62, Institutional Area, Noida, UP, 201309, India.
| | - Ashrat Manzoor
- Molecular Diagnostics and COVID-19 Kit Testing Laboratory, National Institute of Biologicals (Ministry of Health and Family Welfare), A-32, Sector-62, Institutional Area, Noida, UP, 201309, India
| | - Meenu Chopra
- National Dairy Research Institute, Karnal, Haryana, India
| | - Archana Upadhyay
- Molecular Diagnostics and COVID-19 Kit Testing Laboratory, National Institute of Biologicals (Ministry of Health and Family Welfare), A-32, Sector-62, Institutional Area, Noida, UP, 201309, India
| | - Amit Katiyar
- Bioinformatics Facility, Centralized Core Research Facility, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, 110029, India
| | - Brij Bhushan
- Molecular Diagnostics and COVID-19 Kit Testing Laboratory, National Institute of Biologicals (Ministry of Health and Family Welfare), A-32, Sector-62, Institutional Area, Noida, UP, 201309, India
| | - Anup Anvikar
- Molecular Diagnostics and COVID-19 Kit Testing Laboratory, National Institute of Biologicals (Ministry of Health and Family Welfare), A-32, Sector-62, Institutional Area, Noida, UP, 201309, India
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12
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Rojas M, Herrán M, Ramírez-Santana C, Leung PSC, Anaya JM, Ridgway WM, Gershwin ME. Molecular mimicry and autoimmunity in the time of COVID-19. J Autoimmun 2023; 139:103070. [PMID: 37390745 PMCID: PMC10258587 DOI: 10.1016/j.jaut.2023.103070] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/26/2023] [Accepted: 06/03/2023] [Indexed: 07/02/2023]
Abstract
Infectious diseases are commonly implicated as potential initiators of autoimmune diseases (ADs) and represent the most commonly known factor in the development of autoimmunity in susceptible individuals. Epidemiological data and animal studies on multiple ADs suggest that molecular mimicry is one of the likely mechanisms for the loss of peripheral tolerance and the development of clinical disease. Besides molecular mimicry, other mechanisms such as defects in central tolerance, nonspecific bystander activation, epitope-determinant spreading, and/or constant antigenic stimuli, may also contribute for breach of tolerance and to the development of ADs. Linear peptide homology is not the only mechanism by which molecular mimicry is established. Peptide modeling (i.e., 3D structure), molecular docking analyses, and affinity estimation for HLAs are emerging as critical strategies when studying the links of molecular mimicry in the development of autoimmunity. In the current pandemic, several reports have confirmed an influence of SARS-CoV-2 on subsequent autoimmunity. Bioinformatic and experimental evidence support the potential role of molecular mimicry. Peptide dimensional analysis requires more research and will be increasingly important for designing and distributing vaccines and better understanding the role of environmental factors related to autoimmunity.
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Affiliation(s)
- Manuel Rojas
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, CA, 95616, USA; Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia.
| | - María Herrán
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Carolina Ramírez-Santana
- Center for Autoimmune Diseases Research (CREA), School of Medicine and Health Sciences, Universidad del Rosario, Bogota, Colombia
| | - Patrick S C Leung
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, CA, 95616, USA
| | - Juan-Manuel Anaya
- Health Research and Innovation Center at Coosalud, Cartagena, 130001, Colombia
| | - William M Ridgway
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, CA, 95616, USA
| | - M Eric Gershwin
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, CA, 95616, USA
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13
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de Siqueira Santos R, Rochael NC, Mattos TRF, Fallett E Silva MF, Linhares-Lacerda L, de Oliveira LT, Cunha MS, Mohana-Borges R, Gomes TA, Barbosa-Silva MC, Maron-Gutierrez T, Foguel D, Saraiva EM. Peripheral nervous system is injured by neutrophil extracellular traps (NETs) elicited by nonstructural (NS) protein-1 from Zika virus. FASEB J 2023; 37:e23126. [PMID: 37594040 DOI: 10.1096/fj.202201904r] [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: 11/15/2022] [Revised: 07/05/2023] [Accepted: 07/25/2023] [Indexed: 08/19/2023]
Abstract
The involvement of innate immune mediators to the Zika virus (ZIKV)-induced neuroinflammation is not yet well known. Here, we investigated whether neutrophil extracellular traps (NETs), which are scaffolds of DNA associated with proteins, have the potential to injure peripheral nervous. The tissue lesions were evaluated after adding NETs to dorsal root ganglia (DRG) explants and to DRG constituent cells or injecting them into mouse sciatic nerves. Identification of NET harmful components was achieved by pharmacological inhibition of NET constituents. We found that ZIKV inoculation into sciatic nerves recruited neutrophils and elicited the production of the cytokines CXCL1 and IL-1β, classical NET inducers, but did not trigger NET formation. ZIKV blocked PMA- and CXCL8-induced NET release, but, in contrast, the ZIKV nonstructural protein (NS)-1 induced NET formation. NET-enriched supernatants were toxic to DRG explants, decreasing neurite area, length, and arborization. NETs were toxic to DRG constituent cells and affected myelinating cells. Myeloperoxidase (MPO) and histones were identified as the harmful component of NETs. NS1 injection into mouse sciatic nerves recruited neutrophils and triggered NET release and caspase-3 activation, events that were also elicited by the injection of purified MPO. In summary, we found that ZIKV NS1 protein induces NET formation, which causes nervous tissue damages. Our findings reveal new mechanisms leading to neuroinflammation by ZIKV.
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Affiliation(s)
- Raphael de Siqueira Santos
- Laboratório de Agregação de Proteínas e Amiloidoses, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Natalia Cadaxo Rochael
- Laboratório de Imunidade Inata, Departamento de Imunologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Thayana Roberta F Mattos
- Laboratório de Imunidade Inata, Departamento de Imunologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Matheus Felipe Fallett E Silva
- Laboratório de Agregação de Proteínas e Amiloidoses, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Leandra Linhares-Lacerda
- Laboratório de Imunidade Inata, Departamento de Imunologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Leandro Teixeira de Oliveira
- Laboratório de Agregação de Proteínas e Amiloidoses, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Marcela Sabino Cunha
- Laboratório de Genética e Imunologia das Infecções Virais, Departamento de Virologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Ronaldo Mohana-Borges
- Laboratório de Biotecnologia e Bioengenharia Estrutural, Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Tiago Araujo Gomes
- Laboratório de Microbiologia Celular Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Maria Carolina Barbosa-Silva
- Laboratório de Imunofarmacologia - Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Tatiana Maron-Gutierrez
- Laboratório de Imunofarmacologia - Instituto Oswaldo Cruz (IOC), Fundação Oswaldo Cruz (Fiocruz), Rio de Janeiro, Brazil
| | - Debora Foguel
- Laboratório de Agregação de Proteínas e Amiloidoses, Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Elvira Maria Saraiva
- Laboratório de Imunidade Inata, Departamento de Imunologia, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
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14
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Macchia I, La Sorsa V, Urbani F, Moretti S, Antonucci C, Afferni C, Schiavoni G. Eosinophils as potential biomarkers in respiratory viral infections. Front Immunol 2023; 14:1170035. [PMID: 37483591 PMCID: PMC10358847 DOI: 10.3389/fimmu.2023.1170035] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 05/30/2023] [Indexed: 07/25/2023] Open
Abstract
Eosinophils are bone marrow-derived granulocytes that, under homeostatic conditions, account for as much as 1-3% of peripheral blood leukocytes. During inflammation, eosinophils can rapidly expand and infiltrate inflamed tissues, guided by cytokines and alarmins (such as IL-33), adhesion molecules and chemokines. Eosinophils play a prominent role in allergic asthma and parasitic infections. Nonetheless, they participate in the immune response against respiratory viruses such as respiratory syncytial virus and influenza. Notably, respiratory viruses are associated with asthma exacerbation. Eosinophils release several molecules endowed with antiviral activity, including cationic proteins, RNases and reactive oxygen and nitrogen species. On the other hand, eosinophils release several cytokines involved in homeostasis maintenance and Th2-related inflammation. In the context of SARS-CoV-2 infection, emerging evidence indicates that eosinophils can represent possible blood-based biomarkers for diagnosis, prognosis, and severity prediction of disease. In particular, eosinopenia seems to be an indicator of severity among patients with COVID-19, whereas an increased eosinophil count is associated with a better prognosis, including a lower incidence of complications and mortality. In the present review, we provide an overview of the role and plasticity of eosinophils focusing on various respiratory viral infections and in the context of viral and allergic disease comorbidities. We will discuss the potential utility of eosinophils as prognostic/predictive immune biomarkers in emerging respiratory viral diseases, particularly COVID-19. Finally, we will revisit some of the relevant methods and tools that have contributed to the advances in the dissection of various eosinophil subsets in different pathological settings for future biomarker definition.
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Affiliation(s)
- Iole Macchia
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Valentina La Sorsa
- Research Coordination and Support Service, Istituto Superiore di Sanità, Rome, Italy
| | - Francesca Urbani
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Sonia Moretti
- National HIV/AIDS Research Center, Istituto Superiore di Sanità, Rome, Italy
| | - Caterina Antonucci
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Claudia Afferni
- National Center for Drug Research and Evaluation, Istituto Superiore di Sanità, Rome, Italy
| | - Giovanna Schiavoni
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
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15
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Ji W, Zhang X, Sang C, Wang H, Zhou K, Zhang Y, Bo L. Punicalin attenuates LPS-induced acute lung injury by inhibiting inflammatory cytokine production and MAPK/NF-κB signaling in mice. Heliyon 2023; 9:e15434. [PMID: 37101633 PMCID: PMC10123264 DOI: 10.1016/j.heliyon.2023.e15434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/24/2023] [Accepted: 04/07/2023] [Indexed: 04/28/2023] Open
Abstract
Background Acute lung injury (ALI) remains a significant cause of morbidity and mortality in critically ill patients. Novel therapies interfering with the inflammatory response has been an area of focus for infectious disease treatment. Punicalin has shown strong anti-inflammatory and antioxidative properties; however, its effect in ALI has not been previously explored. Purpose To investigate the effects of punicalin in lipopolysaccharide (LPS)-induced ALI and explore the underlying mechanisms. Methods LPS (10 mg/kg) was administered intratracheally to create the ALI model in mice. Punicalin (10 mg/kg) was administered intraperitoneally shortly after LPS to investigate survival rate, lung tissue pathological injury, oxidative stress, levels of inflammatory cytokines in BALF and lung tissue, neutrophil extracellular trap (NET) formation and its effects on NF-κB and mitogen-activated protein kinase (MAPK) signaling pathways. In vitro studies were performed to evaluate the inflammatory cytokine release and NET formation in LPS-induced (1 μg/ml) and punicalin-treated mouse neutrophils derived from the bone marrow. Results In vivo, punicalin reduced mortality, lung injury score, lung wet-to-dry (W/D) weight ratio, protein concentrations in BALF and malondialdehyde (MDA) levels in lung tissues, and increased superoxide dismutase (SOD) levels in lung tissues of LPS-induced ALI mice. Increased secretion of TNF-α, IL-1β, and IL-6 in the BALF and the lungs of ALI mice was reversed by punicalin, whereas IL-10 was upregulated. Neutrophil recruitment and NET formation were also decreased by punicalin. Inhibition of NF-κB and MAPK signaling pathways was observed in punicalin-treated ALI mice. In vitro co-incubation with punicalin (50 μg/ml) inhibited the production of inflammatory cytokines and NET formation in LPS-treated neutrophils derived from mouse bone marrow. Conclusion Punicalin reduces inflammatory cytokine production, prevents neutrophil recruitment and NET formation, and inhibits the activation of NF-κB and MAPK signaling pathways in LPS-induced ALI.
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Affiliation(s)
- Wentao Ji
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Xiaoting Zhang
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Chao Sang
- Department of Anesthesiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201620, China
| | - Huixian Wang
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
| | - Keqian Zhou
- College of Basic Medicine, Naval Medical University, Shanghai 200433, China
| | - Yan Zhang
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
- Corresponding author.
| | - Lulong Bo
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai 200433, China
- Corresponding author.
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16
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Abstract
Neutrophils or polymorphonuclear neutrophils (PMNs) are an important component of innate host defense. These phagocytic leukocytes are recruited to infected tissues and kill invading microbes. There are several general characteristics of neutrophils that make them highly effective as antimicrobial cells. First, there is tremendous daily production and turnover of granulocytes in healthy adults-typically 1011 per day. The vast majority (~95%) of these cells are neutrophils. In addition, neutrophils are mobilized rapidly in response to chemotactic factors and are among the first leukocytes recruited to infected tissues. Most notably, neutrophils contain and/or produce an abundance of antimicrobial molecules. Many of these antimicrobial molecules are toxic to host cells and can destroy host tissues. Thus, neutrophil activation and turnover are highly regulated processes. To that end, aged neutrophils undergo apoptosis constitutively, a process that contains antimicrobial function and proinflammatory capacity. Importantly, apoptosis facilitates nonphlogistic turnover of neutrophils and removal by macrophages. This homeostatic process is altered by interaction with microbes and their products, as well as host proinflammatory molecules. Microbial pathogens can delay neutrophil apoptosis, accelerate apoptosis following phagocytosis, or cause neutrophil cytolysis. Here, we review these processes and provide perspective on recent studies that have potential to impact this paradigm.
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Affiliation(s)
- Scott D Kobayashi
- Laboratory of Bacteriology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, USA
| | - Frank R DeLeo
- Laboratory of Bacteriology, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana, USA
| | - Mark T Quinn
- Department of Microbiology & Cell Biology, Montana State University, Bozeman, Montana, USA
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17
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Nesterova IV, Atazhakhova MG, Teterin YV, Matushkina VA, Chudilova GA, Mitropanova MN. THE ROLE OF NEUTROPHIL EXTRACELLULAR TRAPS (NETS)
IN THE IMMUNOPATHOGENESIS OF SEVERE COVID-19: POTENTIAL IMMUNOTHERAPEUTIC STRATEGIES REGULATING NET FORMATION AND ACTIVITY. RUSSIAN JOURNAL OF INFECTION AND IMMUNITY 2023. [DOI: 10.15789/2220-7619-tro-2058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
Abstract
The role of neutrophil granulocytes (NG) in the pathogenesis of COVID-19 is associated with the recruitment of NG into inflammatory foci, activation of their functions and enhanced formation of neutrophil extracellular networks (NETs). In this review, we analyzed a fairly large volume of scientific literature devoted to the peculiarities of the formation of NETs, their role in the pathogenesis of COVID-19, participation in the occurrence of immunothrombosis, vasculitis, acute respiratory distress syndrome, cytokine storm syndrome, multi-organ lesions. Convincing data are presented that clearly indicate the significant involvement of NETs in the immunopathogenesis of COVID-19 and the associated severe complications resulting from the intensification of the inflammation process, which is key for the course of infection caused by the SARS-CoV-2 virus. The presented role of NG and NETs, along with the role of other immune system cells and pro-inflammatory cytokines, is extremely important in understanding the development of an overactive immune response in severe COVID-19. The obtained scientific results, available today, allow identifying the possibilities of regulatory effects on hyperactivated NG, on the formation of NETs at various stages and on limiting the negative impact of already formed NETs on various tissues and organs. All of the above should help in the creation of new, specialized immunotherapy strategies designed to increase the chances of survival, reduce the severity of clinical manifestations in patients with COVID-19, as well as significantly reduce mortality rates. Currently, it is possible to use existing drugs and a number of new drugs are being developed, the action of which can regulate the amount of NG, positively affect the functions of NG and limit the intensity of NETs formation. Continuing research on the role of hyperactive NG and netosis, as well as understanding the mechanisms of regulation of the phenomenon of formation and restriction of NETs activity in severe COVID-19, apparently, are a priority, since in the future the new data obtained could become the basis for the development of targeted approaches not only to immunotherapy aimed at limiting education and blocking negative effects already formed NETs in severe COVID-19, but also to immunotherapy, which could be used in the complex treatment of other netopathies, first of all, autoimmune diseases, auto-inflammatory syndromes, severe purulent-inflammatory processes, including bacterial sepsis and hematogenous osteomyelitis.
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18
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Role of DAMPs and cell death in autoimmune diseases: the example of multiple sclerosis. Genes Immun 2023; 24:57-70. [PMID: 36750753 DOI: 10.1038/s41435-023-00198-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 01/06/2023] [Accepted: 01/23/2023] [Indexed: 02/09/2023]
Abstract
Multiple sclerosis is a chronic neuroinflammatory demyelinating disease of the central nervous system (CNS) of unknown etiology and still incompletely clarified pathogenesis. The disease is generally considered a disorder resulting from a complex interplay between environmental risk factors and predisposing causal genetic variants. To examine the etiopathogenesis of the disease, two complementary pre-clinical models are currently discussed: the "outside-in" model proposing a peripherally elicited inflammatory/autoimmune attack against degraded myelin as the cause of the disease, and the "inside-out" paradigm implying a primary cytodegenerative process of cells in the CNS that triggers secondary reactive inflammatory/autoimmune responses against myelin debris. In this review, the integrating pathogenetic role of damage-associated molecular patterns (DAMPs) in these two scenario models is examined by focusing on the origin and sources of these molecules, which are known to promote neuroinflammation and, via activation of pattern recognition receptor-bearing antigen-presenting cells, drive and shape autoimmune responses. In particular, environmental factors are discussed that are conceptually defined as agents which produce endogenous DAMPs via induction of regulated cell death (RCD) or act themselves as exogenous DAMPs. Indeed, in the field of autoimmune diseases, including multiple sclerosis, recent research has focused on environmental triggers that cause secondary events in terms of subroutines of RCD, which have been identified as prolific sources of DAMPs. Finally, a model of a DAMP-driven positive feed-forward loop of chronic inflammatory demyelinating processes is proposed, aimed at reconciling the competing "inside-out" and "outside-in" paradigms.
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19
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Kasumba DM, Huot S, Caron E, Fortin A, Laflamme C, Zamorano Cuervo N, Lamontagne F, Pouliot M, Grandvaux N. DUOX2 regulates secreted factors in virus-infected respiratory epithelial cells that contribute to neutrophil attraction and activation. FASEB J 2023; 37:e22765. [PMID: 36607642 PMCID: PMC10107641 DOI: 10.1096/fj.202201205r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 12/10/2022] [Accepted: 12/27/2022] [Indexed: 01/07/2023]
Abstract
The first line of defense against respiratory viruses relies on the antiviral and proinflammatory cytokine response initiated in infected respiratory epithelial cells. The cytokine response not only restricts virus replication and spreading, but also orchestrates the subsequent immune response. The epithelial Dual Oxidase 2 (DUOX2) has recently emerged as a regulator of the interferon antiviral response. Here, we investigated the role of DUOX2 in the inflammatory cytokine response using a model of A549 cells deficient in DUOX2 generated using Crispr-Cas9 and infected by Sendai virus. We found that the absence of DUOX2 selectively reduced the induction of a restricted panel of 14 cytokines and chemokines secreted in response to Sendai virus by 20 to 89%. The secreted factors produced by epithelial cells upon virus infection promoted the migration, adhesion, and degranulation of primary human neutrophils, in part through the DUOX2-dependent secretion of TNF and chemokines. In contrast, DUOX2 expression did not impact neutrophil viability or NETosis, thereby highlighting a selective impact of DUOX2 in neutrophil functions. Overall, this study unveils previously unrecognized roles of epithelial DUOX2 in the epithelial-immune cells crosstalk during respiratory virus infection.
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Affiliation(s)
- Dacquin M Kasumba
- Centre de recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.,Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montréal, Québec, Canada
| | - Sandrine Huot
- Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine de l'Université Laval, Centre de Recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada.,Axe maladies infectieuses et immunitaires, Centre de Recherche du CHU de Québec - Université Laval, Québec City, Québec, Canada
| | - Elise Caron
- Centre de recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Audray Fortin
- Centre de recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Cynthia Laflamme
- Axe maladies infectieuses et immunitaires, Centre de Recherche du CHU de Québec - Université Laval, Québec City, Québec, Canada
| | - Natalia Zamorano Cuervo
- Centre de recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Felix Lamontagne
- Centre de recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Marc Pouliot
- Département de Microbiologie-Infectiologie et Immunologie, Faculté de Médecine de l'Université Laval, Centre de Recherche du CHU de Québec-Université Laval, Québec City, Québec, Canada.,Axe maladies infectieuses et immunitaires, Centre de Recherche du CHU de Québec - Université Laval, Québec City, Québec, Canada
| | - Nathalie Grandvaux
- Centre de recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.,Department of Biochemistry and Molecular Medicine, Faculty of Medicine, Université de Montréal, Montréal, Québec, Canada
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20
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de Moraes Pontes JG, Dos Santos RV, Tasic L. NMR-Metabolomics in COVID-19 Research. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2023; 1412:197-209. [PMID: 37378768 DOI: 10.1007/978-3-031-28012-2_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
COVID-19 stands for Corona Virus Disease 2019, which starts as a viral infection that provokes illness with different symptoms and severity. The infected individuals can be asymptomatic or present with mild, moderate, severe, and critical illness with acute respiratory distress syndrome (ARDS), acute cardiac injury, and multiorgan failure. When the virus enters the cells, it replicates and provokes responses. Most diseased individuals resolve the problems in a short time but unfortunately, some may die, and almost 3 years after the first reported cases, COVID-19 still kills thousands per day worldwide. One of the problems in not curing the viral infection is that the virus passes by undetected in cells. This can be caused by the lack of pathogen-associated molecular patterns (PAMPs) that start an orchestrated immune response, such as activation of type 1 interferons (IFNs), inflammatory cytokines, chemokines, and antiviral defenses. Before all of these events can happen, the virus uses the infected cells and numerous small molecules as sources of energy and building blocks for newly synthesized viral nanoparticles that travel to and infect other host cells. Therefore, studying the cell metabolome and metabolomic changes in biofluids might give insights into the state of the viral infection, viral loads, and defense response. NMR-metabolomics can help in solving the real-time host interactions by monitoring concentration changes in metabolites. This chapter addresses the state of the art of COVIDomics by NMR analyses and presents exemplified biomolecules identified in different world regions and gravities of illness as potential biomarkers.
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Affiliation(s)
| | - Roney Vander Dos Santos
- Laboratory of Chemical Biology, Institute of Chemistry, University of Campinas (UNICAMP), CampinaEs, Sao Paulo, Brazil
| | - Ljubica Tasic
- Laboratory of Chemical Biology, Institute of Chemistry, University of Campinas (UNICAMP), CampinaEs, Sao Paulo, Brazil.
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21
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Targeting neutrophils extracellular traps (NETs) reduces multiple organ injury in a COVID-19 mouse model. Respir Res 2023; 24:66. [PMID: 36864506 PMCID: PMC9978286 DOI: 10.1186/s12931-023-02336-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 01/18/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND COVID-19 is characterized by severe acute lung injury, which is associated with neutrophil infiltration and the release of neutrophil extracellular traps (NETs). COVID-19 treatment options are scarce. Previous work has shown an increase in NETs release in the lung and plasma of COVID-19 patients suggesting that drugs that prevent NETs formation or release could be potential therapeutic approaches for COVID-19 treatment. METHODS Here, we report the efficacy of NET-degrading DNase I treatment in a murine model of COVID-19. SARS-CoV-2-infected K18-hACE2 mice were performed for clinical sickness scores and lung pathology. Moreover, the levels of NETs were assessed and lung injuries were by histopathology and TUNEL assay. Finally, the injury in the heart and kidney was assessed by histopathology and biochemical-specific markers. RESULTS DNase I decreased detectable levels of NETs, improved clinical disease, and reduced lung, heart, and kidney injuries in SARS-CoV-2-infected K18-hACE2 mice. Furthermore, our findings indicate a potentially deleterious role for NETs lung tissue in vivo and lung epithelial (A549) cells in vitro, which might explain part of the pathophysiology of severe COVID-19. This deleterious effect was diminished by the treatment with DNase I. CONCLUSIONS Together, our results support the role of NETs in COVID-19 immunopathology and highlight NETs disruption pharmacological approaches as a potential strategy to ameliorate COVID-19 clinical outcomes.
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22
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A Pleomorphic Puzzle: Heterogeneous Pulmonary Vascular Occlusions in Patients with COVID-19. Int J Mol Sci 2022; 23:ijms232315126. [PMID: 36499449 PMCID: PMC9739020 DOI: 10.3390/ijms232315126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Vascular occlusions in patients with coronavirus diseases 2019 (COVID-19) have been frequently reported in severe outcomes mainly due to a dysregulation of neutrophils mediating neutrophil extracellular trap (NET) formation. Lung specimens from patients with COVID-19 have previously shown a dynamic morphology, categorized into three types of pleomorphic occurrence based on histological findings in this study. These vascular occlusions in lung specimens were also detected using native endogenous fluorescence or NEF in a label-free method. The three types of vascular occlusions exhibit morphology of DNA rich neutrophil elastase (NE) poor (type I), NE rich DNA poor (type II), and DNA and NE rich (type III) cohort of eleven patients with six males and five females. Age and gender have been presented in this study as influencing variables linking the occurrence of several occlusions with pleomorphic contents within a patient specimen and amongst them. This study reports the categorization of pleomorphic occlusions in patients with COVID-19 and the detection of these occlusions in a label-free method utilizing NEF.
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23
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Serrano M, Espinosa G, Serrano A, Cervera R. COVID-19 and the antiphospholipid syndrome. Autoimmun Rev 2022; 21:103206. [PMID: 36195247 PMCID: PMC9527199 DOI: 10.1016/j.autrev.2022.103206] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 09/28/2022] [Indexed: 01/08/2023]
Abstract
Coronavirus disease 2019 (COVID-19) has resulted in a global pandemic. Most COVID-19 patients are asymptomatic or have flu-like symptoms. However, around 15% of the patients may have severe disease, including unilateral or bilateral pneumonia with acute respiratory distress syndrome and progressive hypoxemia that may require mechanical ventilation assistance. A systemic inflammatory response syndrome occurs in the most severe forms of COVID-19, with multiorgan involvement which can be life threatening caused by a cytokine storm. Although what best characterizes COVID-19 are the manifestations of the respiratory system, it has been shown that it also acts at the cardiovascular level, producing coagulation abnormalities, which causes thrombotic events mainly in the arteries/arterioles, microcirculation and venous system, and potentially increased mortality risk. This multiorgan vascular disease overlaps with other known microangiopathies, such as thrombotic microangiopathy or paroxysmal nocturnal hemoglobinuria, where complement overactivation plays an important role in the pathophysiology of thrombosis. Furthermore, coagulopathy secondary to COVID-19 occurs in the context of an uncontrolled inflammatory response, reminiscent of APS, especially in its catastrophic form. This review summarizes the current knowledge regarding the relationship between COVID-19 and the APS.
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Affiliation(s)
- Manuel Serrano
- Department of Immunology, Healthcare Research Institute I+12, Hospital 12 de Octubre, Madrid, Spain
| | - Gerard Espinosa
- Department of Autoimmune Diseases, Hospital Clínic, Insititut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Catalonia, Spain
| | - Antonio Serrano
- Department of Immunology, Healthcare Research Institute I+12, Hospital 12 de Octubre, Madrid, Spain
| | - Ricard Cervera
- Department of Autoimmune Diseases, Hospital Clínic, Insititut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Catalonia, Spain,Corresponding author at: Servei de Malalties Autoimmunes, Hospital Clínic, Villarroel, 170, 08036 Barcelona, Catalonia, Spain
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24
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Eating the Enemy: Mycoplasma Strategies to Evade Neutrophil Extracellular Traps (NETs) Promoting Bacterial Nucleotides Uptake and Inflammatory Damage. Int J Mol Sci 2022; 23:ijms232315030. [PMID: 36499356 PMCID: PMC9740415 DOI: 10.3390/ijms232315030] [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: 11/08/2022] [Revised: 11/22/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022] Open
Abstract
Neutrophils are effector cells involved in the innate immune response against infection; they kill infectious agents in the intracellular compartment (phagocytosis) or in the extracellular milieu (degranulation). Moreover, neutrophils release neutrophil extracellular traps (NETs), complex structures composed of a scaffold of decondensed DNA associated with histones and antimicrobial compounds; NETs entrap infectious agents, preventing their spread and promoting their clearance. NET formation is triggered by microbial compounds, but many microorganisms have evolved several strategies for NET evasion. In addition, the dysregulated production of NETs is associated with chronic inflammatory diseases. Mycoplasmas are reduced genome bacteria, able to induce chronic infections with recurrent inflammatory symptoms. Mycoplasmas' parasitic lifestyle relies on metabolite uptake from the host. Mycoplasmas induce NET release, but their surface or secreted nucleases digest the NETs' DNA scaffold, allowing them to escape from entrapment and providing essential nucleotide precursors, thus promoting the infection. The presence of Mycoplasma species has been associated with chronic inflammatory disorders, such as systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, Crohn's disease, and cancer. The persistence of mycoplasma infection and prolonged NET release may contribute to the onset of chronic inflammatory diseases and needs further investigation and insights.
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25
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Nakazawa D, Takeda Y, Kanda M, Tomaru U, Ogawa H, Kudo T, Shiratori‐Aso S, Watanabe‐Kusunoki K, Ueda Y, Miyoshi A, Hattanda F, Nishio S, Uozumi R, Ishizu A, Atsumi T. Transcriptional dynamics of granulocytes in direct response to incubation with SARS-CoV-2. FEBS Open Bio 2022; 13:60-71. [PMID: 36271697 PMCID: PMC9808587 DOI: 10.1002/2211-5463.13500] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 10/12/2022] [Accepted: 10/20/2022] [Indexed: 01/07/2023] Open
Abstract
Severe coronavirus disease 2019 (COVID-19) is characterized by acute respiratory distress syndrome and multiple organ dysfunction, in which the host immune response plays a pivotal role. Excessive neutrophil activation and subsequent superfluity of neutrophil extracellular traps (NETs) can lead to tissue damage, and several studies have shown the involvement of neutrophils in severe COVID-19. However, the detailed responses of each neutrophil subset to SARS-CoV-2 infection has not been fully described. To explore this issue, we incubated normal-density granulocytes (NDGs) and low-density granulocytes (LDGs) with different viral titers of SARS-CoV-2. NDGs form NETs with chromatin fibers in response to SARS-CoV-2, whereas LDGs incubated with SARS-CoV-2 display a distinct morphology with condensed nuclei and moderate transcriptional changes. Based on these transcriptional changes, we suggest that AGO2 possibly plays a role in LDG regulation in response to SARS-CoV-2.
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Affiliation(s)
- Daigo Nakazawa
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Yohei Takeda
- Research Center for Global AgromedicineObihiro University of Agriculture and Veterinary MedicineJapan,Department of Veterinary MedicineObihiro University of Agriculture and Veterinary MedicineJapan
| | - Masatoshi Kanda
- Department of Rheumatology and Clinical ImmunologySapporo Medical UniversityJapan
| | - Utano Tomaru
- Department of Pathology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Haruko Ogawa
- Department of Veterinary MedicineObihiro University of Agriculture and Veterinary MedicineJapan
| | - Takashi Kudo
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Satoka Shiratori‐Aso
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Kanako Watanabe‐Kusunoki
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Yusho Ueda
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Atsuko Miyoshi
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Fumihiko Hattanda
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Saori Nishio
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
| | - Ryo Uozumi
- Division of Laboratory and Transfusion MedicineHokkaido University HospitalSapporoJapan
| | - Akihiro Ishizu
- Department of Medical Laboratory Science, Faculty of Health SciencesHokkaido UniversitySapporoJapan
| | - Tatsuya Atsumi
- Department of Rheumatology, Endocrinology, and Nephrology, Faculty of Medicine and Graduate School of MedicineHokkaido UniversitySapporoJapan
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26
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Díaz‐Couselo FA, Flagel S, Nicolini C, Halac S, Manzano N, Aguirre M, Rébora J, Valle S, Noro L, Mohindroo C, McAllister F, Zylberman M. Impact of high neutrophil-to-lymphocyte ratio on survival in hospitalized cancer patients with COVID-19. Cancer Med 2022; 12:7164-7169. [PMID: 36372937 PMCID: PMC9877941 DOI: 10.1002/cam4.5426] [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: 05/25/2022] [Revised: 09/07/2022] [Accepted: 10/23/2022] [Indexed: 11/15/2022] Open
Abstract
Neutrophil-to-lymphocyte ratio (NLR) has been studied as a prognostic factor for mortality in COVID-19 patients. Our study aimed to evaluate the association between NLR at COVID-19 diagnosis and survival during the following 90 days in hospitalized patients with solid cancer. Between May 2020 and June 2021, 120 patients were included in a retrospective cohort study. Univariable analysis showed patients with an NLR > 8.3 were associated with an increased risk of death (HR: 4.34; 95% CI: 1.74-10.84) compared to patients with NLR < 3.82 and with NLR ≥3.82 and ≤8.30 (HR: 2.89; 95% CI: 1.32-6.36). Furthermore, on multivariable analysis, NLR > 8.30 independently correlated with increased mortality. In patients with solid malignancies with COVID-19, an NLR > 8.3 is associated with an increased risk of death.
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Affiliation(s)
| | - Santiago Flagel
- Department of Internal MedicineInstituto Alexander FlemingBuenos AiresArgentina
| | - Carla Nicolini
- Department of Internal MedicineInstituto Alexander FlemingBuenos AiresArgentina
| | - Sebastián Halac
- Department of Internal MedicineInstituto Alexander FlemingBuenos AiresArgentina
| | - Natalia Manzano
- Department of Internal MedicineInstituto Alexander FlemingBuenos AiresArgentina
| | - Marina Aguirre
- Department of Internal MedicineInstituto Alexander FlemingBuenos AiresArgentina
| | - Juan Rébora
- Department of Infectious DiseasesInstituto Alexander FlemingBuenos AiresArgentina
| | - Sandra Valle
- Microbiology LaboratoryInstituto Alexander FlemingBuenos AiresArgentina
| | - Laura Noro
- Clinical Analysis and Molecular Medicine LaboratoryInstituto Alexander FlemingBuenos AiresArgentina
| | - Chirayu Mohindroo
- Department of Clinical Cancer PreventionThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA,Department of Internal MedicineSinai Hospital of BaltimoreBaltimoreMarylandUSA
| | - Florencia McAllister
- Department of Clinical Cancer PreventionThe University of Texas MD Anderson Cancer CenterHoustonTexasUSA
| | - Marcelo Zylberman
- Department of Internal MedicineInstituto Alexander FlemingBuenos AiresArgentina
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27
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Pezeshki S. Neutrophil Extracellular Traps (NET) and SARS-CoV-2. Immunopharmacol Immunotoxicol 2022; 45:253-255. [PMID: 36259563 DOI: 10.1080/08923973.2022.2128368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
NETosis is a type of neutrophil extinction that outcome in the liberation of extracellular chromatin and protein accumulation, which contains antiviral proteins, produced by an external pathogen. Neutrophils can show bipolar action in special circumstances. This event, along with other circumstances, involves COVID-19. Neutrophil extracellular traps (NETs) are involved in the pathogenesis of COVID-19 by creating a pro-inflammatory and pre-coagulation state that leads to numerous organ losses. This form of host defense, which is promoted by neutrophils, is closely related to the known cytokine storm in severe COVID-19 patients. Hence, these two elements reveal possibly the treatment of the target for SARS-CoV-2 infections intense.
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Affiliation(s)
- Shaghayegh Pezeshki
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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28
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Tangos M, Budde H, Kolijn D, Sieme M, Zhazykbayeva S, Lódi M, Herwig M, Gömöri K, Hassoun R, Robinson EL, Meister TL, Jaquet K, Kovács Á, Mustroph J, Evert K, Babel N, Fagyas M, Lindner D, Püschel K, Westermann D, Mannherz HG, Paneni F, Pfaender S, Tóth A, Mügge A, Sossalla S, Hamdani N. SARS-CoV-2 infects human cardiomyocytes promoted by inflammation and oxidative stress. Int J Cardiol 2022; 362:196-205. [PMID: 35643215 PMCID: PMC9132721 DOI: 10.1016/j.ijcard.2022.05.055] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/11/2022] [Accepted: 05/23/2022] [Indexed: 12/15/2022]
Abstract
Introduction The respiratory illness triggered by severe acute respiratory syndrome virus-2 (SARS-CoV-2) is often particularly serious or fatal amongst patients with pre-existing heart conditions. Although the mechanisms underlying SARS-CoV-2-related cardiac damage remain elusive, inflammation (i.e. ‘cytokine storm’) and oxidative stress are likely involved. Methods and results Here we sought to determine: 1) if cardiomyocytes are targeted by SARS-CoV-2 and 2) how inflammation and oxidative stress promote the viral entry into cardiac cells. We analysed pro-inflammatory and oxidative stress and its impact on virus entry and virus-associated cardiac damage from SARS-CoV-2 infected patients and compared it to left ventricular myocardial tissues obtained from non-infected transplanted hearts either from end stage heart failure or non-failing hearts (donor group). We found that neuropilin-1 potentiates SARS-CoV-2 entry into human cardiomyocytes, a phenomenon driven by inflammatory and oxidant signals. These changes accounted for increased proteases activity and apoptotic markers thus leading to cell damage and apoptosis. Conclusion This study provides new insights into the mechanisms of SARS-CoV-2 entry into the heart and defines promising targets for antiviral interventions for COVID-19 patients with pre-existing heart conditions or patients with co-morbidities.
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Affiliation(s)
- Melina Tangos
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Heidi Budde
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Detmar Kolijn
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Marcel Sieme
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Saltanat Zhazykbayeva
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Mária Lódi
- Department of Neuroanatomy and Molecular Brain Research, Ruhr University Bochum, Medical Faculty, Bochum, Germany
| | - Melissa Herwig
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Kamilla Gömöri
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Roua Hassoun
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Emma Louise Robinson
- School of Medicine, Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, United States of America
| | - Toni Luise Meister
- Department of Molecular and Medical Virology, Ruhr University Bochum, Bochum, Germany
| | - Kornelia Jaquet
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany
| | - Árpád Kovács
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany
| | - Julian Mustroph
- Department of Internal Medicine II, University Medical Center Regensburg, Regensburg, Germany
| | - Katja Evert
- Institute of Pathology, University Hospital Regensburg, Regensburg, Germany
| | - Nina Babel
- Center for Translational Medicine and Immune Diagnostics Laboratory, Medical Department I, Marien Hospital Herne, University Hospital of the Ruhr University Bochum, Bochum, Germany
| | - Miklós Fagyas
- Center for Molecular Cardiology, University of Zürich, University Heart Center, Cardiology, University Hospital Zurich, Zürich, Switzerland
| | - Diana Lindner
- Department of Cardiology and Angiology, University Heart Center Freiburg-Bad Krozingen, Germany
| | - Klaus Püschel
- Department of Legal Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Dirk Westermann
- Department of Cardiology and Angiology, University Heart Center Freiburg-Bad Krozingen, Germany
| | - Hans Georg Mannherz
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Anatomy and Molecular Embryology, Ruhr University Bochum, Bochum, Germany
| | - Francesco Paneni
- Center for Molecular Cardiology, University of Zürich, University Heart Center, Cardiology, University Hospital Zurich, Zürich, Switzerland; University Heart Center, Cardiology, Department of Research and Education, University Hospital Zurich, Zürich, Switzerland
| | - Stephanie Pfaender
- Department of Molecular and Medical Virology, Ruhr University Bochum, Bochum, Germany
| | - Attila Tóth
- Division of Clinical Physiology, Department of Cardiology, Faculty of Medicine, Debrecen, Hungary
| | - Andreas Mügge
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany
| | - Samuel Sossalla
- Department of Internal Medicine II, University Medical Center Regensburg, Regensburg, Germany; Clinic for Cardiology & Pneumology, Georg-August University Goettingen, DZHK (German Centre for Cardiovascular Research), partner site Goettingen, Germany
| | - Nazha Hamdani
- Institut für Forschung und Lehre (IFL), Molecular and Experimental Cardiology, Ruhr University Bochum, Bochum, Germany; Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, Bochum, Germany; Institute of Physiology, Ruhr University Bochum, Bochum, Germany.
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29
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Soltani-Zangbar MS, Parhizkar F, Abdollahi M, Shomali N, Aghebati-Maleki L, Shahmohammadi Farid S, Roshangar L, Mahmoodpoor A, Yousefi M. Immune system-related soluble mediators and COVID-19: basic mechanisms and clinical perspectives. Cell Commun Signal 2022; 20:131. [PMID: 36038915 PMCID: PMC9421625 DOI: 10.1186/s12964-022-00948-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/02/2022] [Indexed: 12/04/2022] Open
Abstract
During SARS-CoV-2 infection, an effective immune response provides the first line of defense; however, excessive inflammatory innate immunity and impaired adaptive immunity may harm tissues. Soluble immune mediators are involved in the dynamic interaction of ligands with membrane-bound receptors to maintain and restore health after pathological events. In some cases, the dysregulation of their expression can lead to disease pathology. In this literature review, we described current knowledge of the basic features of soluble immune mediators and their dysregulation during SARS-CoV-2 infections and highlighted their contribution to disease severity and mortality. Video Abstract
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Affiliation(s)
- Mohammad Sadegh Soltani-Zangbar
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Forough Parhizkar
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mojtaba Abdollahi
- School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Navid Shomali
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Sima Shahmohammadi Farid
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leila Roshangar
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ata Mahmoodpoor
- Department of Anesthesiology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Yousefi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran. .,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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30
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Studying the Interaction of Neutrophils and Glaesserella Parasuis Indicates a Serotype Independent Benefit from Degradation of NETs. Pathogens 2022; 11:pathogens11080880. [PMID: 36015001 PMCID: PMC9415231 DOI: 10.3390/pathogens11080880] [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: 06/30/2022] [Revised: 07/28/2022] [Accepted: 08/01/2022] [Indexed: 02/04/2023] Open
Abstract
Glaesserella (G.) parasuis is one of the most important porcine pathogens causing Glaesser’s disease. Neutrophil granulocytes are the major counteracting cell type of the innate immune system, which contribute to the host defense by phagocytosis or the formation of neutrophil extracellular traps (NETs). Recently, NET-formation has been shown to facilitate the survival of bacteria from the Pasteurellaceae family. However, the interaction of NETs and G. parasuis is unclear so far. In this study, we investigated the interplay of three G. parasuis serotypes with porcine neutrophils. The production of reactive oxygen species by neutrophils after G. parasuis infection varied slightly among the serotypes but was generally low and not significantly influenced by the serotypes. Interestingly, we detected that independent of the serotype of G. parasuis, NET formation in neutrophils was induced to a small but significant extent. This phenomenon occurred despite the ability of G. parasuis to release nucleases, which can degrade NETs. Furthermore, the growth of Glaesserella was enhanced by external DNases and degraded NETs. This indicates that Glaesserella takes up degraded NET components, supplying them with nicotinamide adenine dinucleotide (NAD), as this benefit was diminished by inhibiting the 5′-nucleotidase, which metabolizes NAD. Our results indicate a serotype-independent interaction of Glaesserella with neutrophils by inducing NET-formation and benefiting from DNA degradation.
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Wienkamp AK, Erpenbeck L, Rossaint J. Platelets in the NETworks interweaving inflammation and thrombosis. Front Immunol 2022; 13:953129. [PMID: 35979369 PMCID: PMC9376363 DOI: 10.3389/fimmu.2022.953129] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 07/07/2022] [Indexed: 12/18/2022] Open
Abstract
Platelets are well characterized for their indispensable role in primary hemostasis to control hemorrhage. Research over the past years has provided a substantial body of evidence demonstrating that platelets also participate in host innate immunity. The surface expression of pattern recognition receptors, such as TLR2 and TLR4, provides platelets with the ability to sense bacterial products in their environment. Platelet α-granules contain microbicidal proteins, chemokines and growth factors, which upon release may directly engage pathogens and/or contribute to inflammatory signaling. Additionally, platelet interactions with neutrophils enhance neutrophil activation and are often crucial to induce a sufficient immune response. In particular, platelets can activate neutrophils to form neutrophil extracellular traps (NETs). This specific neutrophil effector function is characterized by neutrophils expelling chromatin fibres decorated with histones and antimicrobial proteins into the extracellular space where they serve to trap and kill pathogens. Until now, the mechanisms and signaling pathways between platelets and neutrophils inducing NET formation are still not fully characterized. NETs were also detected in thrombotic lesions in several disease backgrounds, pointing towards a role as an interface between neutrophils, platelets and thrombosis, also known as immunothrombosis. The negatively charged DNA within NETs provides a procoagulant surface, and in particular NET-derived proteins may directly activate platelets. In light of the current COVID-19 pandemic, the topic of immunothrombosis has become more relevant than ever, as a majority of COVID-19 patients display thrombi in the lung capillaries and other vascular beds. Furthermore, NETs can be found in the lung and other tissues and are associated with an increased mortality. Here, virus infiltration may lead to a cytokine storm that potently activates neutrophils and leads to massive neutrophil infiltration into the lung and NET formation. The resulting NETs presumably activate platelets and coagulation factors, further contributing to the subsequent emergence of microthrombi in pulmonary capillaries. In this review, we will discuss the interplay between platelets and NETs and the potential of this alliance to influence the course of inflammatory diseases. A better understanding of the underlying molecular mechanisms and the identification of treatment targets is of utmost importance to increase patients’ survival and improve the clinical outcome.
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Affiliation(s)
- Ann-Katrin Wienkamp
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Luise Erpenbeck
- Department of Dermatology, University Hospital Münster, Münster, Germany
| | - Jan Rossaint
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
- *Correspondence: Jan Rossaint,
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Babu G, Nobel FA. Identification of differentially expressed genes and their major pathways among the patient with COVID-19, cystic fibrosis, and chronic kidney disease. INFORMATICS IN MEDICINE UNLOCKED 2022; 32:101038. [PMID: 35966126 PMCID: PMC9357445 DOI: 10.1016/j.imu.2022.101038] [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: 06/04/2022] [Revised: 07/31/2022] [Accepted: 08/01/2022] [Indexed: 11/19/2022] Open
Abstract
The SARS-CoV-2 virus causes Coronavirus disease, an infectious disease. The majority of people who are infected with this virus will have mild to moderate respiratory symptoms. Multiple studies have proved that there is a substantial pathophysiological link between COVID-19 disease and patients having comorbidities such as cystic fibrosis and chronic kidney disease. In this study, we attempted to identify differentially expressed genes as well as genes that intersected among them in order to comprehend their compatibility. Gene expression profiling indicated that 849 genes were mutually exclusive and functional analysis was done within the context of gene ontology and key pathways involvement. Three genes (PRPF31, FOXN2, and RIOK3) were commonly upregulated in the analysed datasets of three disease categories. These genes could be potential biomarkers for patients with COVID-19 and cystic fibrosis, and COVID-19 and chronic kidney disease. Further extensive analyses have been performed to describe how these genes are regulated by various transcription factors and microRNAs. Then, our analyses revealed six hub genes (PRPF31, FOXN2, RIOK3, UBC, HNF4A, and ELAVL). As they were involved in the interaction between COVID-19 and the patient with CF and CKD, they could help researchers identify potential therapeutic molecules. Some drugs have been predicted based on the upregulated genes, which may have a significant impact on reducing the burden of these diseases in the future.
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Affiliation(s)
- Golap Babu
- Department of Biochemistry and Molecular Biology, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Fahim Alam Nobel
- Department of Biochemistry and Molecular Biology, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
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Zhu JJ, Stenfeldt C, Bishop EA, Canter JA, Eschbaumer M, Rodriguez LL, Arzt J. Inferred Causal Mechanisms of Persistent FMDV Infection in Cattle from Differential Gene Expression in the Nasopharyngeal Mucosa. Pathogens 2022; 11:pathogens11080822. [PMID: 35894045 PMCID: PMC9329776 DOI: 10.3390/pathogens11080822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 02/05/2023] Open
Abstract
Foot-and-mouth disease virus (FMDV) can persistently infect pharyngeal epithelia in ruminants but not in pigs. Our previous studies demonstrated that persistent FMDV infection in cattle was associated with under-expression of several chemokines that recruit immune cells. This report focuses on the analysis of differentially expressed genes (DEG) identified during the transitional phase of infection, defined as the period when animals diverge between becoming carriers or terminators. During this phase, Th17-stimulating cytokines (IL6 and IL23A) and Th17-recruiting chemokines (CCL14 and CCL20) were upregulated in animals that were still infected (transitional carriers) compared to those that had recently cleared infection (terminators), whereas chemokines recruiting neutrophils and CD8+ T effector cells (CCL3 and ELR+CXCLs) were downregulated. Upregulated Th17-specific receptor, CCR6, and Th17-associated genes, CD146, MIR155, and ThPOK, suggested increased Th17 cell activity in transitional carriers. However, a complex interplay of the Th17 regulatory axis was indicated by non-significant upregulation of IL17A and downregulation of IL17F, two hallmarks of TH17 activity. Other DEG suggested that transitional carriers had upregulated aryl hydrocarbon receptor (AHR), non-canonical NFκB signaling, and downregulated canonical NFκB signaling. The results described herein provide novel insights into the mechanisms of establishment of FMDV persistence. Additionally, the fact that ruminants, unlike pigs, produce a large amount of AHR ligands suggests a plausible explanation of why FMDV persists in ruminants, but not in pigs.
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Affiliation(s)
- James J. Zhu
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Correspondence: (J.J.Z.); (J.A.); Tel.: +1-631-323-3340 (J.J.Z.); +1-631-323-4421 (J.A.); Fax: +1-631-323-3006 (J.A.)
| | - Carolina Stenfeldt
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Department of Diagnostic Medicine/Pathobiology, Kansas State University, Manhattan, KS 66506, USA
| | - Elizabeth A. Bishop
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
| | - Jessica A. Canter
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Plum Island Animal Disease Center Research Participation Program, Oak Ridge Institute for Science and Education (ORISE), Oak Ridge, TN 37830, USA
| | - Michael Eschbaumer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, 17493 Greifswald-Insel Riems, Germany;
| | - Luis L. Rodriguez
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
| | - Jonathan Arzt
- Foreign Animal Disease Research Unit, Plum Island Animal Disease Center, Agricultural Research Service, United States Department of Agriculture, Orient, NY 11957, USA; (C.S.); (E.A.B.); (J.A.C.); (L.L.R.)
- Correspondence: (J.J.Z.); (J.A.); Tel.: +1-631-323-3340 (J.J.Z.); +1-631-323-4421 (J.A.); Fax: +1-631-323-3006 (J.A.)
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Gupta A, Singh K, Fatima S, Ambreen S, Zimmermann S, Younis R, Krishnan S, Rana R, Gadi I, Schwab C, Biemann R, Shahzad K, Rani V, Ali S, Mertens PR, Kohli S, Isermann B. Neutrophil Extracellular Traps Promote NLRP3 Inflammasome Activation and Glomerular Endothelial Dysfunction in Diabetic Kidney Disease. Nutrients 2022; 14:2965. [PMID: 35889923 PMCID: PMC9320009 DOI: 10.3390/nu14142965] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 12/11/2022] Open
Abstract
Diabetes mellitus is a metabolic disease largely due to lifestyle and nutritional imbalance, resulting in insulin resistance, hyperglycemia and vascular complications. Diabetic kidney disease (DKD) is a major cause of end-stage renal failure contributing to morbidity and mortality worldwide. Therapeutic options to prevent or reverse DKD progression are limited. Endothelial and glomerular filtration barrier (GFB) dysfunction and sterile inflammation are associated with DKD. Neutrophil extracellular traps (NETs), originally identified as an innate immune mechanism to combat infection, have been implicated in sterile inflammatory responses in non-communicable diseases. However, the contribution of NETs in DKD remains unknown. Here, we show that biomarkers of NETs are increased in diabetic mice and diabetic patients and that these changes correlate with DKD severity. Mechanistically, NETs promote NLRP3 inflammasome activation and glomerular endothelial dysfunction under high glucose stress in vitro and in vivo. Inhibition of NETs (PAD4 inhibitor) ameliorate endothelial dysfunction and renal injury in DKD. Taken together, NET-induced sterile inflammation promotes diabetes-associated endothelial dysfunction, identifying a new pathomechanism contributing to DKD. Inhibition of NETs may be a promising therapeutic strategy in DKD.
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Grants
- IS-67/8-1, IS-67/11-1, IS-67/22-1, SFB854/B26, RTG2408/P7&P9 to B.I., SFB854/A01, ME-1365/7-2, ME1365/9-2 to P.R.M., RTG2408/P5, SH 849/1-2 to K.S., KO 5736/1-1 to S.K., and Projektnummer 236360313 - SFB 1118 to BI Deutsche Forschungsgemeinschaft
- SPMD to K.S and by funds of the Medical Faculty of the University of Leipzig Stiftung Pathobiochemie und Molekulare Diagnostik
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Affiliation(s)
- Anubhuti Gupta
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Kunal Singh
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Sameen Fatima
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Saira Ambreen
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Silke Zimmermann
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Ruaa Younis
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Shruthi Krishnan
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Rajiv Rana
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Ihsan Gadi
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Constantin Schwab
- Institute of Pathology, University of Heidelberg, 69120 Heidelberg, Germany;
| | - Ronald Biemann
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Khurrum Shahzad
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Vibha Rani
- Department of Biotechnology, Jaypee Institute of Information Technology, Noida 201309, Uttar Pradesh, India;
| | - Shakir Ali
- Department of Biochemistry, School of Chemical and Life Sciences, Jamia Hamdard University, New Delhi 110062, India;
| | - Peter Rene Mertens
- Clinic of Nephrology and Hypertension, Diabetes and Endocrinology, Otto-von-Guericke University, 39120 Magdeburg, Germany;
| | - Shrey Kohli
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
| | - Berend Isermann
- Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, Universitätsklinikum Leipzig, Leipzig University, 04103 Leipzig, Germany; (A.G.); (K.S.); (S.F.); (S.A.); (S.Z.); (R.Y.); (S.K.); (R.R.); (I.G.); (R.B.); (K.S.); (S.K.)
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Pfister H. Neutrophil Extracellular Traps and Neutrophil-Derived Extracellular Vesicles: Common Players in Neutrophil Effector Functions. Diagnostics (Basel) 2022; 12:diagnostics12071715. [PMID: 35885618 PMCID: PMC9323717 DOI: 10.3390/diagnostics12071715] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 07/07/2022] [Accepted: 07/12/2022] [Indexed: 02/06/2023] Open
Abstract
Neutrophil granulocytes are a central component of the innate immune system. In recent years, they have gained considerable attention due to newly discovered biological effector functions and their involvement in various pathological conditions. They have been shown to trigger mechanisms that can either promote or inhibit the development of autoimmunity, thrombosis, and cancer. One mechanism for their modulatory effect is the release of extracellular vesicles (EVs), that trigger appropriate signaling pathways in immune cells and other target cells. In addition, activated neutrophils can release bactericidal DNA fibers decorated with proteins from neutrophil granules (neutrophil extracellular traps, NETs). While NETs are very effective in limiting pathogens, they can also cause severe damage if released in excess or cleared inefficiently. Since NETs and EVs share a variety of neutrophil molecules and initially act in the same microenvironment, differential biochemical and functional analysis is particularly challenging. This review focuses on the biochemical and functional parallels and the extent to which the overlapping spectrum of effector molecules has an impact on biological and pathological effects.
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Affiliation(s)
- Heiko Pfister
- Munich Biomarker Research Center, Institute of Laboratory Medicine, German Heart Center Munich, Technical University Munich, D-80636 Munich, Germany
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Ciurkiewicz M, Armando F, Schreiner T, de Buhr N, Pilchová V, Krupp-Buzimikic V, Gabriel G, von Köckritz-Blickwede M, Baumgärtner W, Schulz C, Gerhauser I. Ferrets are valuable models for SARS-CoV-2 research. Vet Pathol 2022; 59:661-672. [PMID: 35001763 PMCID: PMC9207987 DOI: 10.1177/03009858211071012] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), resulted in an ongoing pandemic with millions of deaths worldwide. Infection of humans can be asymptomatic or result in fever, fatigue, dry cough, dyspnea, and acute respiratory distress syndrome with multiorgan failure in severe cases. The pathogenesis of COVID-19 is not fully understood, and various models employing different species are currently applied. Ferrets can be infected with SARS-CoV-2 and efficiently transmit the virus to contact animals. In contrast to hamsters, ferrets usually show mild disease and viral replication restricted to the upper airways. Most reports have used the intranasal inoculation route, while the intratracheal infection model is not well characterized. Herein, we present clinical, virological, and pathological data from young ferrets intratracheally inoculated with SARS-CoV-2. Infected animals showed no significant clinical signs, and had transient infection with peak viral RNA loads at 4 days postinfection, mild to moderate rhinitis, and pulmonary endothelialitis/vasculitis. Viral antigen was exclusively found in the respiratory epithelium of the nasal cavity, indicating a particular tropism for cells in this location. Viral antigen was associated with epithelial damage and influx of inflammatory cells, including activated neutrophils releasing neutrophil extracellular traps. Scanning electron microscopy of the nasal respiratory mucosa revealed loss of cilia, shedding, and rupture of epithelial cells. The currently established ferret SARS-CoV-2 infection models are comparatively discussed with SARS-CoV-2 pathogenesis in mink, and the advantages and disadvantages of both species as research models for zoonotic betacoronaviruses are highlighted.
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Affiliation(s)
| | - Federico Armando
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Tom Schreiner
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Nicole de Buhr
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Veronika Pilchová
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Vanessa Krupp-Buzimikic
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | - Gülşah Gabriel
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
- Heinrich Pette Institute, Leibniz Institute for Experimental Virology, Hamburg, Germany
| | | | | | - Claudia Schulz
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
| | - Ingo Gerhauser
- University of Veterinary Medicine Hannover, Foundation, Hannover, Germany
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Abstract
The presence of thrombotic events in COVID-19 patients has been described since the beginning of the pandemic. This association has been confirmed in most of the reported studies. Autopsy reports have shown that most thromboses are located in the lung, although they have also been observed in other organs such as the skin and kidneys. SARS-CoV2 infection induces a generalized prothrombotic state, which is attributed to a combination of factors such as hypoxia, excess cellular apoptosis, and mainly to overactivation of the immune system. Among immune-mediated prothrombotic situations, antiphospholipid syndrome (APS) stands out. Recurrent thrombotic events are observed in APS in the presence of antiphospholipid antibodies (aPL). There are numerous studies that report high prevalence of aPL in patients with COVID-19 infection. However, the results show discrepancies in the data on the prevalence of aPL, and its role in the pathogenesis of thrombosis in these patients. This could be due to the heterogeneity of the detection procedures for aPL or to transient elevations of non-pathogenic aPL levels in the context of infection. In this review we try to clarify the role of aPL in COVID-19 infection, and attempt to answer the question of whether it is a coagulopathy of its own, or secondary to APS.
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Sabbatinelli J, Matacchione G, Giuliani A, Ramini D, Rippo MR, Procopio AD, Bonafè M, Olivieri F. Circulating biomarkers of inflammaging as potential predictors of COVID-19 severe outcomes. Mech Ageing Dev 2022; 204:111667. [PMID: 35341896 PMCID: PMC8949647 DOI: 10.1016/j.mad.2022.111667] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/22/2022] [Accepted: 03/22/2022] [Indexed: 01/10/2023]
Abstract
The COVID-19 pandemic caused by SARS-CoV-2 infection has been of unprecedented clinical and socio-economic worldwide relevance. The case fatality rate for COVID-19 grows exponentially with age and the presence of comorbidities. In the older patients, COVID-19 manifests predominantly as a systemic disease associated with immunological, inflammatory, and procoagulant responses. Timely diagnosis and risk stratification are crucial steps to define appropriate therapies and reduce mortality, especially in the older patients. Chronically and systemically activated innate immune responses and impaired antiviral responses have been recognized as the results of a progressive remodeling of the immune system during aging, which can be described by the words 'immunosenescence' and 'inflammaging'. These age-related features of the immune system were highlighted in patients affected by COVID-19 with the poorest clinical outcomes, suggesting that the mechanisms underpinning immunosenescence and inflammaging could be relevant for COVID-19 pathogenesis and progression. Increasing evidence suggests that senescent myeloid and endothelial cells are characterized by the acquisition of a senescence-associated pro-inflammatory phenotype (SASP), which is considered as the main culprit of both immunosenescence and inflammaging. Here, we reviewed this evidence and highlighted several circulating biomarkers of inflammaging that could provide additional prognostic information to stratify COVID-19 patients based on the risk of severe outcomes.
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Affiliation(s)
- Jacopo Sabbatinelli
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy; Laboratory Medicine, AOU Ospedali Riuniti, Ancona, Italy
| | - Giulia Matacchione
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Angelica Giuliani
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Deborah Ramini
- Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy
| | - Maria Rita Rippo
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy
| | - Antonio Domenico Procopio
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy; Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy
| | - Massimiliano Bonafè
- Department of Experimental, Diagnostic and Specialty Medicine, Università di Bologna, Bologna, Italy
| | - Fabiola Olivieri
- Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy; Center of Clinical Pathology and Innovative Therapy, IRCCS INRCA, Ancona, Italy.
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39
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Penaloza Arias LC, Huynh DN, Babity S, Marleau S, Brambilla D. Optimization of a Liposomal DNase I Formulation with an Extended Circulating Half-Life. Mol Pharm 2022; 19:1906-1916. [PMID: 35543327 DOI: 10.1021/acs.molpharmaceut.2c00086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Drug delivery systems such as liposomes are widely used to stabilize and increase the plasma half-life of therapeutics. In this article, we have investigated two strategies to increase the half-life of deoxyribonuclease I, an FDA-approved enzyme used for the treatment of cystic fibrosis, and a potential candidate for the reduction of uncontrolled inflammation induced by neutrophil extracellular traps. We demonstrate that our optimized preparation procedure resulted in nanoparticles with improved plasma half-life and total exposure relative to native protein, while maintaining enzymatic activity.
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Affiliation(s)
| | - David N Huynh
- Faculté de Pharmacie, Université de Montréal, 2940 Chemin de Polytechnique, Montréal, Québec Canada H3T 1J4
| | - Samuel Babity
- Faculté de Pharmacie, Université de Montréal, 2940 Chemin de Polytechnique, Montréal, Québec Canada H3T 1J4
| | - Sylvie Marleau
- Faculté de Pharmacie, Université de Montréal, 2940 Chemin de Polytechnique, Montréal, Québec Canada H3T 1J4
| | - Davide Brambilla
- Faculté de Pharmacie, Université de Montréal, 2940 Chemin de Polytechnique, Montréal, Québec Canada H3T 1J4
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Wang Y, Wu M, Li Y, Yuen HH, He ML. The effects of SARS-CoV-2 infection on modulating innate immunity and strategies of combating inflammatory response for COVID-19 therapy. J Biomed Sci 2022; 29:27. [PMID: 35505345 PMCID: PMC9063252 DOI: 10.1186/s12929-022-00811-4] [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: 02/25/2022] [Accepted: 04/27/2022] [Indexed: 12/15/2022] Open
Abstract
The global pandemic of COVID-19 has caused huge causality and unquantifiable loss of social wealth. The innate immune response is the first line of defense against SARS-CoV-2 infection. However, strong inflammatory response associated with dysregulation of innate immunity causes severe acute respiratory syndrome (SARS) and death. In this review, we update the current knowledge on how SARS-CoV-2 modulates the host innate immune response for its evasion from host defense and its corresponding pathogenesis caused by cytokine storm. We emphasize Type I interferon response and the strategies of evading innate immune defense used by SARS-CoV-2. We also extensively discuss the cells and their function involved in the innate immune response and inflammatory response, as well as the promises and challenges of drugs targeting excessive inflammation for antiviral treatment. This review would help us to figure out the current challenge questions of SARS-CoV-2 infection on innate immunity and directions for future studies.
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Affiliation(s)
- Yiran Wang
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Mandi Wu
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Yichen Li
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Ho Him Yuen
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Ming-Liang He
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong SAR, China. .,CityU Shenzhen Research Institute, Nanshan, Shenzhen, China.
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Huang Z, Li H, Liu S, Jia J, Zheng Y, Cao B. Identification of Neutrophil-Related Factor LCN2 for Predicting Severity of Patients With Influenza A Virus and SARS-CoV-2 Infection. Front Microbiol 2022; 13:854172. [PMID: 35495713 PMCID: PMC9039618 DOI: 10.3389/fmicb.2022.854172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/14/2022] [Indexed: 01/14/2023] Open
Abstract
Background Influenza and COVID-19 are respiratory infectious diseases that are characterized by high contagiousness and high mutation and pose a serious threat to global health. After Influenza A virus (IAV) and SARS-CoV-2 infection, severe cases may develop into acute lung injury. Immune factors act as an important role during infection and inflammation. However, the molecular immune mechanisms still remain unclear. We aimed to explore immune-related host factors and core biomarker for severe infection, to provide a new therapeutic target of host factor in patients. Methods Gene expression profiles were obtained from Gene Expression Omnibus and the Seurat R package was used for data process of single-cell transcriptome. Differentially expressed gene analysis and cell cluster were used to explore core host genes and source cells of genes. We performed Gene Ontology enrichment, Kyoto Encyclopedia of Genes and Genomes analysis, and gene set enrichment analysis to explore potential biological functions of genes. Gene set variation analysis was used to evaluate the important gene set variation score for different samples. We conduct Enzyme-linked immunosorbent assay (ELISA) to test plasma concentrations of Lipocalin 2 (LCN2). Results Multiple virus-related, cytokine-related, and chemokine-related pathways involved in process of IAV infection and inflammatory response mainly derive from macrophages and neutrophils. LCN2 mainly in neutrophils was significantly upregulated after either IAV or SARS-CoV-2 infection and positively correlated with disease severity. The plasma LCN2 of influenza patients were elevated significantly compared with healthy controls by ELISA and positively correlated with disease severity of influenza patients. Further bioinformatics analysis revealed that LCN2 involved in functions of neutrophils, including neutrophil degranulation, neutrophil activation involved in immune response, and neutrophil extracellular trap formation. Conclusion The neutrophil-related LCN2 could be a promising biomarker for predicting severity of patients with IAV and SARS-CoV-2 infection and may as a new treatment target in severe patients.
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Affiliation(s)
- Zhisheng Huang
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Hui Li
- Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Shuai Liu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Ju Jia
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Ying Zheng
- Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China
| | - Bin Cao
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China
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Serrano M, Espinosa G, Serrano A, Cervera R. Antigens and Antibodies of the Antiphospholipid Syndrome as New Allies in the Pathogenesis of COVID-19 Coagulopathy. Int J Mol Sci 2022; 23:ijms23094946. [PMID: 35563337 PMCID: PMC9102661 DOI: 10.3390/ijms23094946] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/21/2022] [Accepted: 04/26/2022] [Indexed: 01/27/2023] Open
Abstract
High prevalence of both criteria and extra-criteria antiphospholipid antibodies (aPL) has been reported in COVID-19 patients. However, the differences in aPL prevalence decreased when an age-matched control group was included. The association of aPL with thrombotic events in COVID-19 is very heterogeneous. This could be influenced by the fact that most of the studies carried out were conducted on small populations enriched with elderly patients in which aPL was measured only at a single point and they were performed with non-standardized assays. The few studies that confirmed aPL in a second measurement showed that aPL levels hardly changed, with the exception of the lupus anticoagulant that commonly reduced. COVID-19 coagulopathy is an aPL-independent phenomenon closely associated with the onset of the disease. Thrombosis occurs later in patients with aPL presence, which is likely an additional prothrombotic factor. B2-glycoprotein deficiency (mainly aPL antigen caused both by low production and consumption) is very common during the SARS-CoV2 infection and has been associated with a greater predisposition to COVID-19 complications. This could be a new prothrombotic mechanism that may be caused by the blockage of its physiological functions, the anticoagulant state being the most important.
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Affiliation(s)
- Manuel Serrano
- Department of Immunology, Healthcare Research Institute I+12, Hospital 12 de Octubre, 28041 Madrid, Spain;
| | - Gerard Espinosa
- Department of Autoimmune Diseases, Hospital Clínic, Insititut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain; (G.E.); (R.C.)
| | - Antonio Serrano
- Department of Immunology, Healthcare Research Institute I+12, Hospital 12 de Octubre, 28041 Madrid, Spain;
- Correspondence: or
| | - Ricard Cervera
- Department of Autoimmune Diseases, Hospital Clínic, Insititut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, 08036 Barcelona, Spain; (G.E.); (R.C.)
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Insights into the Role of Neutrophils and Neutrophil Extracellular Traps in Causing Cardiovascular Complications in Patients with COVID-19: A Systematic Review. J Clin Med 2022; 11:jcm11092460. [PMID: 35566589 PMCID: PMC9104617 DOI: 10.3390/jcm11092460] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 04/24/2022] [Accepted: 04/25/2022] [Indexed: 02/08/2023] Open
Abstract
Background: The coronavirus disease 2019 (COVID-19) pandemic caused by the SARS-CoV-2 virus has resulted in significant mortality and burdening of healthcare resources. While initially noted as a pulmonary pathology, subsequent studies later identified cardiovascular involvement with high mortalities reported in specific cohorts of patients. While cardiovascular comorbidities were identified early on, the exact manifestation and etiopathology of the infection remained elusive. This systematic review aims to investigate the role of inflammatory pathways, highlighting several culprits including neutrophil extracellular traps (NETs) which have since been extensively investigated. Method: A search was conducted using three databases (MEDLINE; MEDLINE In-Process & Other Non-Indexed Citations and EMBASE). Data from randomized controlled trials (RCT), prospective series, meta-analyses, and unmatched observational studies were considered for the processing of the algorithm and treatment of inflammatory response during SARS-CoV-2 infection. Studies without the SARS-CoV-2 Infection period and case reports were excluded. Results: A total of 47 studies were included in this study. The role of the acute inflammatory response in the propagation of the systemic inflammatory sequelae of the disease plays a major part in determining outcomes. Some of the mechanisms of activation of these pathways have been highlighted in previous studies and are highlighted. Conclusion: NETs play a pivotal role in the pathogenesis of the inflammatory response. Despite moving into the endemic phase of the disease in most countries, COVID-19 remains an entity that has not been fully understood with long-term effects remaining uncertain and requiring ongoing monitoring and research.
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Carai P, González LF, Van Bruggen S, Spalart V, De Giorgio D, Geuens N, Martinod K, Jones EAV, Heymans S. Neutrophil inhibition improves acute inflammation in a murine model of viral myocarditis. Cardiovasc Res 2022; 118:3331-3345. [PMID: 35426438 PMCID: PMC9847559 DOI: 10.1093/cvr/cvac052] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/07/2022] [Accepted: 03/24/2022] [Indexed: 01/25/2023] Open
Abstract
AIMS Viral myocarditis (VM) is an inflammatory pathology of the myocardium triggered by a viral infection that may cause sudden death or heart failure (HF), especially in the younger population. Current treatments only stabilize and improve cardiac function without resolving the underlying inflammatory cause. The factors that induce VM to progress to HF are still uncertain, but neutrophils have been increasingly associated with the negative evolution of cardiac pathologies. The present study investigates the contribution of neutrophils to VM disease progression in different ways. METHODS AND RESULTS In a coxsackievirus B3- (CVB3) induced mouse model of VM, neutrophils and neutrophil extracellular traps (NETs) were prominent in the acute phase of VM as revealed by enzyme-linked immunosorbent assay analysis and immunostaining. Anti-Ly6G-mediated neutrophil blockade starting at model induction decreased cardiac necrosis and leucocyte infiltration, preventing monocyte and Ly6CHigh pro-inflammatory macrophage recruitment. Furthermore, genetic peptidylarginine deiminase 4-dependent NET blockade reduced cardiac damage and leucocyte recruitment, significantly decreasing cardiac monocyte and macrophage presence. Depleting neutrophils with anti-Ly6G antibodies at 7 days post-infection, after the acute phase, did not decrease cardiac inflammation. CONCLUSION Collectively, these results indicate that the repression of neutrophils and the related NET response in the acute phase of VM improves the pathological phenotype by reducing cardiac inflammation.
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Affiliation(s)
- Paolo Carai
- Centre for Vascular and Molecular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium,CARIM, Maastricht University, Maastricht, The Netherlands
| | - Laura Florit González
- Centre for Vascular and Molecular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium,Department of Cardiology, Experimental Cardiology Laboratory, Utrecht University, Utrecht, The Netherlands
| | - Stijn Van Bruggen
- Centre for Vascular and Molecular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Valerie Spalart
- Centre for Vascular and Molecular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
| | - Daria De Giorgio
- Centre for Vascular and Molecular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium,Department of Cardiovascular Medicine, Istituto di Ricerche Farmacologiche Mario Negri, IRCCS, Milan, Italy
| | - Nadéche Geuens
- Centre for Vascular and Molecular Biology, Department of Cardiovascular Sciences, KU Leuven, Leuven, Belgium
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Role of NETosis in Central Nervous System Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3235524. [PMID: 35028005 PMCID: PMC8752220 DOI: 10.1155/2022/3235524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/18/2021] [Indexed: 11/17/2022]
Abstract
Central nervous system (CNS) injury is divided into brain injury and spinal cord injury and remains the most common cause of morbidity and mortality worldwide. Previous reviews have defined numerous inflammatory cells involved in this process. In the human body, neutrophils comprise the largest numbers of myeloid leukocytes. Activated neutrophils release extracellular web-like DNA amended with antimicrobial proteins called neutrophil extracellular traps (NETs). The formation of NETs was demonstrated as a new method of cell death called NETosis. As the first line of defence against injury, neutrophils mediate a variety of adverse reactions in the early stage, and we consider that NETs may be the prominent mediators of CNS injury. Therefore, exploring the specific role of NETs in CNS injury may help us shed some light on early changes in the disease. Simultaneously, we discovered that there is a link between NETosis and other cell death pathways by browsing other research, which is helpful for us to establish crossroads between known cell death pathways. Currently, there is a large amount of research concerning NETosis in various diseases, but the role of NETosis in CNS injury remains unknown. Therefore, this review will introduce the role of NETosis in CNS injury, including traumatic brain injury, cerebral ischaemia, CNS infection, Alzheimer's disease, and spinal cord injury, by describing the mechanism of NETosis, the evidence of NETosis in CNS injury, and the link between NETosis and other cell death pathways. Furthermore, we also discuss some agents that inhibit NETosis as therapies to alleviate the severity of CNS injury. NETosis may be a potential target for the treatment of CNS injury, so exploring NETosis provides a feasible therapeutic option for CNS injury in the future.
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Ahmadi E, Bagherpour Z, Zarei E, Omidkhoda A. Pathological effects of SARS-CoV-2 on hematological and immunological cells: Alterations in count, morphology, and function. Pathol Res Pract 2022; 231:153782. [PMID: 35121363 PMCID: PMC8800420 DOI: 10.1016/j.prp.2022.153782] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 01/22/2022] [Accepted: 01/25/2022] [Indexed: 01/08/2023]
Abstract
The novel Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), the causative agent of COVID-19 outbreak, spread rapidly and infected more than 140 million people with more than three million victims worldwide. The SARS-CoV-2 causes destructive changes in the immunological and hematological system of the host. These alterations appear to play a critical role in disease pathology and the emerging of clinical manifestations. In this review, we aimed to discuss the effect of COVID-19 on the count, function and morphology of immune and blood cells and the role of these changes in the pathophysiology of the disease. Knowledge of these changes may help with better management and treatment of COVID-19 patients.
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Affiliation(s)
- Ehsan Ahmadi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
| | - Zahra Bagherpour
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
| | - Elmira Zarei
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
| | - Azadeh Omidkhoda
- Department of Hematology and Blood Banking, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
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Sorrentino L, Silvestri V, Oliveto G, Scordio M, Frasca F, Fracella M, Bitossi C, D’Auria A, Santinelli L, Gabriele L, Pierangeli A, Mastroianni CM, d’Ettorre G, Antonelli G, Caruz A, Ottini L, Scagnolari C. Distribution of Interferon Lambda 4 Single Nucleotide Polymorphism rs11322783 Genotypes in Patients with COVID-19. Microorganisms 2022; 10:microorganisms10020363. [PMID: 35208821 PMCID: PMC8876137 DOI: 10.3390/microorganisms10020363] [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: 12/31/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 02/04/2023] Open
Abstract
Type III interferons (IFN-III), also known as IFN-Lambda, have a pivotal role during SARS-CoV-2 infection. IFN-Lambda response among individuals is heterogeneous and its association with COVID-19 symptoms severity needs to be further clarified. We analyzed the genotype frequencies of IFNL4 single nucleotide polymorphism (SNP) rs11322783 in patients with COVID-19 (n = 128), in comparison with a validated data set of European healthy controls (n = 14152). The IFNL4 SNP was also analyzed according to the haematological and clinical parameters of patients with COVID-19. The distributions of IFNL4 genotypes among SARS-CoV-2 positive patients [TT/TT 41.4% (n = 53), TT/ΔG 47.7% (n = 61) and ΔG/ΔG 10.9% (n = 14)] and healthy controls were comparable. Different levels of white blood cells (p = 0.036) and neutrophils (p = 0.042) were found in the IFNL4 different genotypes in patients with COVID-19; the ΔG/ΔG genotype was more represented in the groups with low white blood cells and neutrophils. There were no differences in major inflammation parameters (C-reactive protein, D-dimer, Albumin, and Lactate-dehydrogenase (LDH)] and survival rate according to the IFNL4 genotypes. In conclusion, although patients with COVID-19 did not exhibit a different distribution of the IFNL4 SNP, the ΔG/ΔG genotype was associated with a lower count of immune cell populations. These findings need to be confirmed in larger groups of patients with COVID-19 and the role of IFNL4 SNP needs to be also investigated in other respiratory viral infections.
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Affiliation(s)
- Leonardo Sorrentino
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Valentina Silvestri
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (V.S.); (L.O.)
| | - Giuseppe Oliveto
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Mirko Scordio
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Federica Frasca
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Matteo Fracella
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Camilla Bitossi
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Alessandra D’Auria
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Letizia Santinelli
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Policlinico Umberto I of Rome, 00185 Rome, Italy; (L.S.); (C.M.M.); (G.d.)
| | - Lucia Gabriele
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy;
| | - Alessandra Pierangeli
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Claudio Maria Mastroianni
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Policlinico Umberto I of Rome, 00185 Rome, Italy; (L.S.); (C.M.M.); (G.d.)
| | - Gabriella d’Ettorre
- Department of Public Health and Infectious Diseases, Sapienza University of Rome, Policlinico Umberto I of Rome, 00185 Rome, Italy; (L.S.); (C.M.M.); (G.d.)
| | - Guido Antonelli
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
| | - Antonio Caruz
- Immunogenetic Unit, Department of Experimental Biology, University of Jaén, 23071 Jaén, Spain;
| | - Laura Ottini
- Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (V.S.); (L.O.)
| | - Carolina Scagnolari
- Laboratory of Virology, Department of Molecular Medicine, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (G.O.); (M.S.); (F.F.); (M.F.); (C.B.); (A.D.); (A.P.); (G.A.)
- Correspondence:
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Tang L, He S, Yin Y, Li J, Xiao Q, Wang R, Gao L, Wang W. Combining nanotechnology with the multifunctional roles of neutrophils against cancer and inflammatory disease. NANOSCALE 2022; 14:1621-1645. [PMID: 35079756 DOI: 10.1039/d1nr07725b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Neutrophils, the most abundant leukocytes in humans, play a crucial role in acute inflammation during infection and tumorigenesis. Neutrophils are the major types of cells recruited to the inflammation sites induced by pathogens, exhibiting great homing ability towards inflammatory disorders and tumor sites. Therefore, a neutrophil-based drug delivery system (NDDS) has become a promising platform for anti-cancer and anti-inflammatory treatment. Recent decades have witnessed the huge progress of applying nanomaterials in drug delivery. Nanomaterials are regarded as innovative components to enrich the field of neutrophil-based therapies due to their unique physiochemical characteristics. In this review, the latest advancement of combining diverse nanomaterials with an NDDS for cancer and inflammatory disease treatment will be summarized. It is discussed how nanomaterials empower the therapeutic area of an NDDS and how an NDDS circumvents the limitations of nanomaterials. Moreover, based on the finding that neutrophils are closely involved in the progression of cancer and inflammatory diseases, emerging therapeutic strategies that target neutrophils will be outlined. Finally, as neutrophils were demonstrated to play a central role in the immunopathology of COVID-19, which causes necroinflammation that is responsible for the cytokine storm and sepsis during coronavirus infections, novel therapeutic approaches that anchor neutrophils against the pathological consequences related to COVID-19 will be highlighted as well.
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Affiliation(s)
- Lu Tang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Shun He
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Yue Yin
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Jing Li
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Qiaqia Xiao
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Ruotong Wang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Lijun Gao
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
| | - Wei Wang
- State Key Laboratory of Natural Medicines, Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
- NMPA Key Laboratory for Research and Evaluation of Pharmaceutical Preparations and Excipients, China Pharmaceutical University, Nanjing 210009, Jiangsu, P.R. China.
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Joshi MB, Kamath A, Nair AS, Yedehali Thimmappa P, Sriranjini SJ, Gangadharan GG, Satyamoorthy K. Modulation of neutrophil (dys)function by Ayurvedic herbs and its potential influence on SARS-CoV-2 infection. J Ayurveda Integr Med 2022; 13:100424. [PMID: 33746457 PMCID: PMC7962552 DOI: 10.1016/j.jaim.2021.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 12/08/2020] [Accepted: 03/09/2021] [Indexed: 12/15/2022] Open
Abstract
For centuries, traditional medicines of Ayurveda have been in use to manage infectious and non-infectious diseases. The key embodiment of traditional medicines is the holistic system of approach in the management of human diseases. SARS-CoV-2 (COVID-19) infection is an ongoing pandemic, which has emerged as the major health threat worldwide and is causing significant stress, morbidity and mortality. Studies from the individuals with SARS-CoV-2 infection have shown significant immune dysregulation and cytokine overproduction. Neutrophilia and neutrophil to lymphocyte ratio has been correlated to poor outcome due to the disease. Neutrophils, component of innate immune system, upon stimulation expel DNA along with histones and granular proteins to form extracellular traps (NETs). Although, these DNA lattices possess beneficial activity in trapping and eliminating pathogens, NETs may also cause adverse effects by inducing immunothrombosis and tissue damage in diseases including Type 2 Diabetes and atherosclerosis. Tissues of SARS-CoV-2 infected subjects showed microthrombi with neutrophil-platelet infiltration and serum showed elevated NETs components, suggesting large involvement and uncontrolled activation of neutrophils leading to pathogenesis and associated organ damage. Hence, traditional Ayurvedic herbs exhibiting anti-inflammatory and antioxidant properties may act in a manner that might prove beneficial in targeting over-functioning of neutrophils and there by promoting normal immune homeostasis. In the present manuscript, we have reviewed and discussed pathological importance of NETs formation in SARS-CoV-2 infections and discuss how various Ayurvedic herbs can be explored to modulate neutrophil function and inhibit NETs formation in the context of a) anti-microbial activity to enhance neutrophil function, b) immunomodulatory effects to maintain neutrophil mediated immune homeostasis and c) to inhibit NETs mediated thrombosis.
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Affiliation(s)
- Manjunath B Joshi
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Archana Kamath
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, India
| | - Aswathy S Nair
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, India
| | | | - Sitaram J Sriranjini
- Ramaiah Indic Speciality Ayurveda-Restoration Hospital, MSR Nagar, Mathikere, Bengaluru, 560 054, India
| | - G G Gangadharan
- Ramaiah Indic Speciality Ayurveda-Restoration Hospital, MSR Nagar, Mathikere, Bengaluru, 560 054, India
| | - Kapaettu Satyamoorthy
- Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, 576104, India.
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Babatunde KA, Ayuso JM, Kerr SC, Huttenlocher A, Beebe DJ. Microfluidic Systems to Study Neutrophil Forward and Reverse Migration. Front Immunol 2021; 12:781535. [PMID: 34899746 PMCID: PMC8653704 DOI: 10.3389/fimmu.2021.781535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 11/09/2021] [Indexed: 12/26/2022] Open
Abstract
During infection, neutrophils are the most abundantly recruited innate immune cells at sites of infection, playing critical roles in the elimination of local infection and healing of the injury. Neutrophils are considered to be short-lived effector cells that undergo cell death at infection sites and in damaged tissues. However, recent in vitro and in vivo evidence suggests that neutrophil behavior is more complex and that they can migrate away from the inflammatory site back into the vasculature following the resolution of inflammation. Microfluidic devices have contributed to an improved understanding of the interaction and behavior of neutrophils ex vivo in 2D and 3D microenvironments. The role of reverse migration and its contribution to the resolution of inflammation remains unclear. In this review, we will provide a summary of the current applications of microfluidic devices to investigate neutrophil behavior and interactions with other immune cells with a focus on forward and reverse migration in neutrophils.
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Affiliation(s)
| | - Jose M Ayuso
- Department of Pathology & Laboratory Medicine, University of Wisconsin, Madison, WI, United States
| | - Sheena C Kerr
- Department of Pathology & Laboratory Medicine, University of Wisconsin, Madison, WI, United States.,Carbone Cancer Center, University of Wisconsin, Madison, WI, United States
| | - Anna Huttenlocher
- Departments of Pediatrics and Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI, United States
| | - David J Beebe
- Department of Pathology & Laboratory Medicine, University of Wisconsin, Madison, WI, United States.,Carbone Cancer Center, University of Wisconsin, Madison, WI, United States.,Department of Biomedical Engineering, University of Wisconsin, Madison, WI, United States
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