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Yu Y, Chen S, Zhang H, Duan Y, Li Z, Jiang L, Cao W, Peng Q, Chen X. A panel of janus kinase inhibitors identified with anti-inflammatory effects protect mice from lethal influenza virus infection. Antimicrob Agents Chemother 2024; 68:e0135023. [PMID: 38470034 PMCID: PMC10989010 DOI: 10.1128/aac.01350-23] [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: 10/19/2023] [Accepted: 02/22/2024] [Indexed: 03/13/2024] Open
Abstract
Influenza remains a significant threat to public health. In severe cases, excessive inflammation can lead to severe pneumonia or acute respiratory distress syndrome, contributing to patient morbidity and mortality. While antivirals can be effective if administered early, current anti-inflammatory drugs have limited success in treating severe cases. Therefore, discovering new anti-inflammatory agents to inhibit influenza-related inflammatory diseases is crucial. Herein, we screened a drug library with known targets using a human monocyte U937 infected with the influenza virus to identify novel anti-inflammatory agents. We also evaluated the anti-inflammatory effects of the hit compounds in an influenza mouse model. Our research revealed that JAK inhibitors exhibited a higher hit rate and more potent inhibition effect than inhibitors targeting other drug targets in vitro. Of the 22 JAK inhibitors tested, 15 exhibited robust anti-inflammatory activity against influenza virus infection in vitro. Subsequently, we evaluated the efficacy of 10 JAK inhibitors using an influenza mouse model and observed that seven provided protection ranging from 40% to 70% against lethal influenza virus infection. We selected oclacitinib as a representative compound for an extensive study to further investigate the in vivo therapeutic potential of JAK inhibitors for severe influenza-associated inflammation. Our results revealed that oclacitinib effectively suppressed neutrophil and macrophage infiltration, reduced pro-inflammatory cytokine production, and ultimately mitigated lung injury in mice infected with lethal influenza virus without impacting viral titer. These findings suggest that JAK inhibitors can modulate immune responses to influenza virus infection and may serve as potential treatments for influenza.IMPORTANCEAntivirals exhibit limited efficacy in treating severe influenza when not administered promptly during the infection. Current steroidal and nonsteroidal anti-inflammatory drugs demonstrate restricted effectiveness against severe influenza or are associated with significant side effects. Therefore, there is an urgent need for novel anti-inflammatory agents that possess high potency and minimal adverse reactions. In this study, 15 JAK inhibitors were identified through a screening process based on their anti-inflammatory activity against influenza virus infection in vitro. Remarkably, 7 of the 10 selected inhibitors exhibited protective effects against lethal influenza virus infection in mice, thereby highlighting the potential therapeutic value of JAK inhibitors for treating influenza.
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Affiliation(s)
- Yang Yu
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Si Chen
- State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Haonan Zhang
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Yuanyuan Duan
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Zhuogang Li
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Lefang Jiang
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Weihua Cao
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Qun Peng
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Xulin Chen
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
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2
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Ruscitti C, Radermecker C, Marichal T. Journey of monocytes and macrophages upon influenza A virus infection. Curr Opin Virol 2024; 66:101409. [PMID: 38564993 DOI: 10.1016/j.coviro.2024.101409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/04/2024]
Abstract
Influenza A virus (IAV) infections pose a global health challenge that necessitates a comprehensive understanding of the host immune response to devise effective therapeutic interventions. As monocytes and macrophages play crucial roles in host defence, inflammation, and repair, this review explores the intricate journey of these cells during and after IAV infection. First, we highlight the dynamics and functions of lung-resident macrophage populations post-IAV. Second, we review the current knowledge of recruited monocytes and monocyte-derived cells, emphasising their roles in viral clearance, inflammation, immunomodulation, and tissue repair. Third, we shed light on the consequences of IAV-induced macrophage alterations on long-term lung immunity. We conclude by underscoring current knowledge gaps and exciting prospects for future research in unravelling the complexities of macrophage responses to respiratory viral infections.
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Affiliation(s)
- Cecilia Ruscitti
- Laboratory of Immunophysiology, GIGA Institute, Liège University, Avenue de l'Hôpital 11, 4000 Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Avenue de Cureghem 5D, 4000 Liège, Belgium
| | - Coraline Radermecker
- Laboratory of Immunophysiology, GIGA Institute, Liège University, Avenue de l'Hôpital 11, 4000 Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Avenue de Cureghem 5D, 4000 Liège, Belgium
| | - Thomas Marichal
- Laboratory of Immunophysiology, GIGA Institute, Liège University, Avenue de l'Hôpital 11, 4000 Liège, Belgium; Faculty of Veterinary Medicine, Liège University, Avenue de Cureghem 5D, 4000 Liège, Belgium; Walloon Excellence in Life Sciences and Biotechnology (WELBIO) Department, WEL Research Institute, 1300 Wavre, Belgium.
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3
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Mahmoodi M, Mohammadi Henjeroei F, Hassanshahi G, Nosratabadi R. Do chemokine/chemokine receptor axes play paramount parts in trafficking and oriented locomotion of monocytes/macrophages toward the lungs of COVID-19 infected patients? A systematic review. Cytokine 2024; 175:156497. [PMID: 38190792 DOI: 10.1016/j.cyto.2023.156497] [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: 07/25/2023] [Revised: 12/19/2023] [Accepted: 12/31/2023] [Indexed: 01/10/2024]
Abstract
The COVID-19 (coronavirus disease 2019) is a well-defined viral infection, resulting from SARS-CoV-2 (severe acute respiratory syndrome- coronavirus-2). The innate immune system serves as the first line of defense to limit viral spreading and subsequently stimulate adaptive immune responses by the prominent aids of its cellular and molecular arms. Monocytes are defined as the most prominent innate immune cells (IICs) that are reactive against invading pathogens. These cells support host protection against the virus that is mediated by several non-specific mechanisms such as phagocytosis, producing antiviral enzymes, and recruitment of immune cells toward and into the infected tissues. They have the ability to egress from blood and migrate to the SARS-CoV-2 infected regions by the aid of some defense-related functions like chemotaxis, which is mediated by chemical compounds, e.g., chemokines. Chemokines, in addition to their related ligands are categorized within the most important and deserved agents involved in oriented trafficking of monocytes/macrophages towards and within the lung parenchyma in both steady state and pathological circumstances, including COVID-19-raised infection. However, the overexpression of chemokines could have deleterious effects on various organs through the induction of cytokine storm and may be the most important leading mechanisms in the pathogenesis of COVID-19. Authors have aimed the current review article to describe present knowledge about the interplay between monocytes/macrophages and SARS-CoV-2 with a focus on the ability of IICs to migrate and home into the lung of COVID-19 patients through various chemokine-chemokine receptor axes to promote our understanding regarding this disease.
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Affiliation(s)
- Merat Mahmoodi
- Department of Medical Immunology, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Fatemeh Mohammadi Henjeroei
- Department of Medical Immunology, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Gholamhossein Hassanshahi
- Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, RafsanjanUniversity of Medical Sciences, Rafsanjan, Iran
| | - Reza Nosratabadi
- Department of Medical Immunology, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran; Gastroenterology and Hepatology Research Center, Kerman University of Medical Sciences, Kerman, Iran.
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4
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Lee H, Lee G, Cho YH, Song Y, Ko G. Chemokine CCL6 Plays Key Role in the Inhibitory Effect of Vitamin A on Norovirus Infection. J Microbiol 2023:10.1007/s12275-023-00047-3. [PMID: 37233907 DOI: 10.1007/s12275-023-00047-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 05/27/2023]
Abstract
Norovirus (NoV) is the most common viral cause of acute gastroenteritis worldwide. Vitamin A has demonstrated the potential to protect against gastrointestinal infections. However, the effects of vitamin A on human norovirus (HuNoV) infections remain poorly understood. This study aimed to investigate how vitamin A administration affects NoV replication. We demonstrated that treatment with retinol or retinoic acid (RA) inhibited NoV replication in vitro based on their effects on HuNoV replicon-bearing cells and murine norovirus-1 (MNV-1) replication in murine cells. MNV replication in vitro showed significant transcriptomic changes, which were partially reversed by retinol treatment. RNAi knockdown of CCL6, a chemokine gene that was downregulated by MNV infection but upregulated by retinol administration, resulted in increased MNV replication in vitro. This suggested a role of CCL6 in the host response to MNV infections. Similar gene expression patterns were observed in the murine intestine after oral administration of RA and/or MNV-1.CW1. CCL6 directly decreased HuNoV replication in HG23 cells, and might indirectly regulate the immune response against NoV infection. Finally, relative replication levels of MNV-1.CW1 and MNV-1.CR6 were significantly increased in CCL6 knockout RAW 264.7 cells. This study is the first to comprehensively profile transcriptomes in response to NoV infection and vitamin A treatment in vitro, and thus may provide new insights into dietary prophylaxis and NoV infections.
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Affiliation(s)
- Heetae Lee
- College of Pharmacy, Sahmyook University, Seoul, 01795, Republic of Korea.
| | - Giljae Lee
- Center for Human and Environmental Microbiome, School of Public Health, Seoul National University, Seoul, 08826, Republic of Korea
| | - You-Hee Cho
- Department of Pharmacy, College of Pharmacy, CHA University, Seongnam, 13488, Republic of Korea
| | - Youngcheon Song
- College of Pharmacy, Sahmyook University, Seoul, 01795, Republic of Korea
| | - GwangPyo Ko
- Center for Human and Environmental Microbiome, School of Public Health, Seoul National University, Seoul, 08826, Republic of Korea.
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5
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Rodriguez-Rodriguez L, Gillet L, Machiels B. Shaping of the alveolar landscape by respiratory infections and long-term consequences for lung immunity. Front Immunol 2023; 14:1149015. [PMID: 37081878 PMCID: PMC10112541 DOI: 10.3389/fimmu.2023.1149015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/15/2023] [Indexed: 04/07/2023] Open
Abstract
Respiratory infections and especially viral infections, along with other extrinsic environmental factors, have been shown to profoundly affect macrophage populations in the lung. In particular, alveolar macrophages (AMs) are important sentinels during respiratory infections and their disappearance opens a niche for recruited monocytes (MOs) to differentiate into resident macrophages. Although this topic is still the focus of intense debate, the phenotype and function of AMs that recolonize the niche after an inflammatory insult, such as an infection, appear to be dictated in part by their origin, but also by local and/or systemic changes that may be imprinted at the epigenetic level. Phenotypic alterations following respiratory infections have the potential to shape lung immunity for the long-term, leading to beneficial responses such as protection against allergic airway inflammation or against other infections, but also to detrimental responses when associated with the development of immunopathologies. This review reports the persistence of virus-induced functional alterations in lung macrophages, and discusses the importance of this imprinting in explaining inter-individual and lifetime immune variation.
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6
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Foo CX, Bartlett S, Chew KY, Ngo MD, Bielefeldt-Ohmann H, Arachchige BJ, Matthews B, Reed S, Wang R, Smith C, Sweet MJ, Burr L, Bisht K, Shatunova S, Sinclair JE, Parry R, Yang Y, Lévesque JP, Khromykh A, Rosenkilde MM, Short KR, Ronacher K. GPR183 antagonism reduces macrophage infiltration in influenza and SARS-CoV-2 infection. Eur Respir J 2023; 61:2201306. [PMID: 36396144 PMCID: PMC9686317 DOI: 10.1183/13993003.01306-2022] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 10/20/2022] [Indexed: 11/19/2022]
Abstract
RATIONALE Severe viral respiratory infections are often characterised by extensive myeloid cell infiltration and activation and persistent lung tissue injury. However, the immunological mechanisms driving excessive inflammation in the lung remain poorly understood. OBJECTIVES To identify the mechanisms that drive immune cell recruitment in the lung during viral respiratory infections and identify novel drug targets to reduce inflammation and disease severity. METHODS Preclinical murine models of influenza A virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. RESULTS Oxidised cholesterols and the oxysterol-sensing receptor GPR183 were identified as drivers of monocyte/macrophage infiltration to the lung during influenza A virus (IAV) and SARS-CoV-2 infection. Both IAV and SARS-CoV-2 infection upregulated the enzymes cholesterol 25-hydroxylase (CH25H) and cytochrome P450 family 7 subfamily member B1 (CYP7B1) in the lung, resulting in local production of the oxidised cholesterols 25-hydroxycholesterol (25-OHC) and 7α,25-dihydroxycholesterol (7α,25-OHC). Loss-of-function mutation of Gpr183 or treatment with a GPR183 antagonist reduced macrophage infiltration and inflammatory cytokine production in the lungs of IAV- or SARS-CoV-2-infected mice. The GPR183 antagonist significantly attenuated the severity of SARS-CoV-2 infection and viral loads. Analysis of single-cell RNA-sequencing data on bronchoalveolar lavage samples from healthy controls and COVID-19 patients with moderate and severe disease revealed that CH25H, CYP7B1 and GPR183 are significantly upregulated in macrophages during COVID-19. CONCLUSION This study demonstrates that oxysterols drive inflammation in the lung via GPR183 and provides the first preclinical evidence for the therapeutic benefit of targeting GPR183 during severe viral respiratory infections.
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Affiliation(s)
- Cheng Xiang Foo
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
- Contributed equally to this work
| | - Stacey Bartlett
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
- Contributed equally to this work
| | - Keng Yih Chew
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Minh Dao Ngo
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Helle Bielefeldt-Ohmann
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
| | | | - Benjamin Matthews
- Centre for Clinical Research, The University of Queensland, Brisbane, Australia
| | - Sarah Reed
- Centre for Clinical Research, The University of Queensland, Brisbane, Australia
| | - Ran Wang
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Christian Smith
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Matthew J Sweet
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
- Institute for Molecular Bioscience (IMB), IMB Centre for Inflammation and Disease Research, The University of Queensland, Brisbane, Australia
| | - Lucy Burr
- Dept of Respiratory Medicine, Mater Adult Hospital, Brisbane, Australia
| | - Kavita Bisht
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Svetlana Shatunova
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Jane E Sinclair
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Rhys Parry
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
| | - Yuanhao Yang
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Jean-Pierre Lévesque
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
| | - Alexander Khromykh
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
| | | | - Kirsty R Short
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Australia
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
| | - Katharina Ronacher
- Mater Research Institute, Translational Research Institute, The University of Queensland, Brisbane, Australia
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
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7
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Zohar T, Atyeo C, Wolf CR, Logue JK, Shuey K, Franko N, Choi RY, Wald A, Koelle DM, Chu HY, Lauffenburger DA, Alter G. A multifaceted high-throughput assay for probing antigen-specific antibody-mediated primary monocyte phagocytosis and downstream functions. J Immunol Methods 2022; 510:113328. [PMID: 35934070 DOI: 10.1016/j.jim.2022.113328] [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: 04/27/2022] [Revised: 07/13/2022] [Accepted: 08/01/2022] [Indexed: 01/18/2023]
Abstract
Monocytes are highly versatile innate immune cells responsible for pathogen clearance, innate immune coordination, and induction of adaptive immunity. Monocytes can directly and indirectly integrate pathogen-destructive instructions and contribute to disease control via pathogen uptake, presentation, or the release of cytokines. Indirect pathogen-specific instructions are conferred via Fc-receptor signaling and triggered by antibody opsonized material. Given the tremendous variation in polyclonal humoral immunity, defining the specific antibody-responses able to arm monocytes most effectively remains incompletely understood. While monocyte cell line-based assays have been used previously, cell lines may not faithfully recapitulate the full biology of monocytes. Thus, here we describe a multifaceted antigen-specific method for probing antibody-dependent primary monocyte phagocytosis (ADMP) and secondary responses. The assay not only reliably captures phagocytic uptake of immune complexes, but also detects unique changes in surface markers and cytokine secretions profiles, poorly detected by monocytic cell lines. The assay captures divergent polyclonal-monocyte recruiting activity across subjects with varying SARS-CoV-2 disease severity and also revealed biological nuances in Fc-mutant monoclonal antibody activity related to differences in Fc-receptor binding. Thus, the ADMP assay is a flexible assay able to provide key insights into the role of humoral immunity in driving monocyte phenotypic transitions and downstream functions across many diseases.
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Affiliation(s)
- Tomer Zohar
- Ragon Institute of MGH, MIT, and Harvard, MA, Cambridge, USA; Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Caroline Atyeo
- Ragon Institute of MGH, MIT, and Harvard, MA, Cambridge, USA
| | - Caitlin R Wolf
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Jennifer K Logue
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Kiel Shuey
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Nicholas Franko
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | | | - Anna Wald
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA; Department of Epidemiology, University of Washington School of Medicine, Seattle, WA, USA; Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA, USA; Vaccine and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - David M Koelle
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA; Department of Laboratory Medicine and Pathology, University of Washington School of Medicine, Seattle, WA, USA; Vaccine and Infectious Diseases Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA; Department of Global Health, University of Washington, Seattle, WA, USA; Benaroya Research Institute, Seattle, WA, USA
| | - Helen Y Chu
- Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA
| | - Douglas A Lauffenburger
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Galit Alter
- Ragon Institute of MGH, MIT, and Harvard, MA, Cambridge, USA.
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8
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André S, Azarias da Silva M, Picard M, Alleaume-Buteau A, Kundura L, Cezar R, Soudaramourty C, André SC, Mendes-Frias A, Carvalho A, Capela C, Pedrosa J, Gil Castro A, Loubet P, Sotto A, Muller L, Lefrant JY, Roger C, Claret PG, Duvnjak S, Tran TA, Zghidi-Abouzid O, Nioche P, Silvestre R, Corbeau P, Mammano F, Estaquier J. Low quantity and quality of anti-spike humoral response is linked to CD4 T-cell apoptosis in COVID-19 patients. Cell Death Dis 2022; 13:741. [PMID: 36030261 PMCID: PMC9419645 DOI: 10.1038/s41419-022-05190-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/11/2022] [Accepted: 08/15/2022] [Indexed: 01/21/2023]
Abstract
In addition to an inflammatory reaction, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)-infected patients present lymphopenia, which we recently reported as being related to abnormal programmed cell death. As an efficient humoral response requires CD4 T-cell help, we hypothesized that the propensity of CD4 T cells to die may impact the quantity and quality of the humoral response in acutely infected individuals. In addition to specific immunoglobulins (Ig)A, IgM, and IgG against SARS-CoV-2 nucleocapsid (N), membrane (M), and spike (S1) proteins, we assessed the quality of IgG response by measuring the avidity index. Because the S protein represents the main target for neutralization and antibody-dependent cellular cytotoxicity responses, we also analyzed anti-S-specific IgG using S-transfected cells (S-Flow). Our results demonstrated that most COVID-19 patients have a predominant IgA anti-N humoral response during the early phase of infection. This specific humoral response preceded the anti-S1 in time and magnitude. The avidity index of anti-S1 IgG was low in acutely infected individuals compared to convalescent patients. We showed that the percentage of apoptotic CD4 T cells is inversely correlated with the levels of specific IgG antibodies. These lower levels were also correlated positively with plasma levels of CXCL10, a marker of disease severity, and soluble Fas ligand that contributes to T-cell death. Finally, we found lower S-Flow responses in patients with higher CD4 T-cell apoptosis. Altogether, these results demonstrate that individuals with high levels of CD4 T-cell apoptosis and CXCL10 have a poor ability to build an efficient anti-S response. Consequently, preventing CD4 T-cell death might be a strategy for improving humoral response during the acute phase, thereby reducing COVID-19 pathogenicity.
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Affiliation(s)
- Sonia André
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France
| | - Marne Azarias da Silva
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France
| | - Morgane Picard
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France
| | - Aurélie Alleaume-Buteau
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France ,grid.508487.60000 0004 7885 7602Structural and Molecular Analysis Platform, BioMedTech Facilities INSERM US36-CNRS UMS2009, Université Paris Cité, Paris, France
| | - Lucy Kundura
- grid.411165.60000 0004 0593 8241Laboratoire d’Immunologie, CHU de Nîmes, Nîmes, France
| | - Renaud Cezar
- grid.411165.60000 0004 0593 8241Laboratoire d’Immunologie, CHU de Nîmes, Nîmes, France
| | | | - Santa Cruz André
- grid.10328.380000 0001 2159 175XLife and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal ,grid.10328.380000 0001 2159 175XICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal ,Department of Internal Medicine, Hospital of Braga, Braga, Portugal ,grid.512329.eClinical Academic Center-Braga, Braga, Portugal
| | - Ana Mendes-Frias
- Department of Internal Medicine, Hospital of Braga, Braga, Portugal ,grid.512329.eClinical Academic Center-Braga, Braga, Portugal
| | - Alexandre Carvalho
- grid.10328.380000 0001 2159 175XLife and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal ,grid.10328.380000 0001 2159 175XICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal ,Department of Internal Medicine, Hospital of Braga, Braga, Portugal ,grid.512329.eClinical Academic Center-Braga, Braga, Portugal
| | - Carlos Capela
- grid.10328.380000 0001 2159 175XLife and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal ,grid.10328.380000 0001 2159 175XICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal ,Department of Internal Medicine, Hospital of Braga, Braga, Portugal ,grid.512329.eClinical Academic Center-Braga, Braga, Portugal
| | - Jorge Pedrosa
- grid.10328.380000 0001 2159 175XLife and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal ,grid.10328.380000 0001 2159 175XICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - António Gil Castro
- grid.10328.380000 0001 2159 175XLife and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal ,grid.10328.380000 0001 2159 175XICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Paul Loubet
- grid.411165.60000 0004 0593 8241Service des Maladies Infectieuses et Tropicales, CHU de Nîmes, Nîmes, France
| | - Albert Sotto
- grid.411165.60000 0004 0593 8241Service des Maladies Infectieuses et Tropicales, CHU de Nîmes, Nîmes, France
| | - Laurent Muller
- grid.411165.60000 0004 0593 8241Service de Réanimation Chirugicale, CHU de Nîmes, Nîmes, France
| | - Jean-Yves Lefrant
- grid.411165.60000 0004 0593 8241Service de Réanimation Chirugicale, CHU de Nîmes, Nîmes, France
| | - Claire Roger
- grid.411165.60000 0004 0593 8241Service de Réanimation Chirugicale, CHU de Nîmes, Nîmes, France
| | - Pierre-Géraud Claret
- grid.411165.60000 0004 0593 8241Urgences Médico-Chirugicales Hospitalisation, CHU de Nîmes, Nîmes, France
| | - Sandra Duvnjak
- grid.411165.60000 0004 0593 8241Service de Gérontologie et Prévention du Vieillissement, CHU de Nîmes, Nîmes, France
| | - Tu-Anh Tran
- grid.411165.60000 0004 0593 8241Service de Pédiatrie, CHU de Nîmes, Nîmes, France
| | | | - Pierre Nioche
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France ,grid.508487.60000 0004 7885 7602Structural and Molecular Analysis Platform, BioMedTech Facilities INSERM US36-CNRS UMS2009, Université Paris Cité, Paris, France
| | - Ricardo Silvestre
- grid.10328.380000 0001 2159 175XLife and Health Sciences Research Institute (ICVS), School of Health Sciences, University of Minho, Braga, Portugal ,grid.10328.380000 0001 2159 175XICVS/3B’s—PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Pierre Corbeau
- grid.411165.60000 0004 0593 8241Laboratoire d’Immunologie, CHU de Nîmes, Nîmes, France ,grid.121334.60000 0001 2097 0141Institut de Génétique Humaine UMR9002 CNRS-Université de Montpellier, Montpellier, France
| | - Fabrizio Mammano
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France ,INSERM U1259 MAVIVH, Université de Tours, Tours, France
| | - Jérôme Estaquier
- grid.508487.60000 0004 7885 7602Université Paris Cité, INSERM U1124, F-75006 Paris, France ,CHU de Québec—Université Laval Research Center, Québec City, QC Canada
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9
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Li F, Piattini F, Pohlmeier L, Feng Q, Rehrauer H, Kopf M. Monocyte-derived alveolar macrophages autonomously determine severe outcome of respiratory viral infection. Sci Immunol 2022; 7:eabj5761. [PMID: 35776802 DOI: 10.1126/sciimmunol.abj5761] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Various lung insults can result in replacement of resident alveolar macrophages (AM) by bone marrow monocyte-derived (BMo)-AM. However, the dynamics of this process and its long-term consequences for respiratory viral infections remain unclear. Using several mouse models and a marker to unambiguously track fetal monocyte-derived (FeMo)-AM and BMo-AM, we established the kinetics and extent of replenishment and their function to recurrent influenza A virus (IAV) infection. A massive loss of FeMo-AM resulted in rapid replenishment by self-renewal of survivors, followed by the generation of BMo-AM. BMo-AM progressively outcompeted FeMo-AM over several months, and this was due to their increased glycolytic and proliferative capacity. The presence of both naïve and experienced BMo-AM conferred severe pathology to IAV infection, which was associated with a proinflammatory phenotype. Furthermore, upon aging of naïve mice, FeMo-AM were gradually replaced by BMo-AM, which contributed to IAV disease severity in a cell-autonomous manner. Together, our results suggest that the origin rather than training of AM determines long-term function to respiratory viral infection and provide an explanation for the increased severity of infection seen in the elderly.
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Affiliation(s)
- Fengqi Li
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Federica Piattini
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Lea Pohlmeier
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Qian Feng
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
| | - Hubert Rehrauer
- Functional Genomics Center, ETH Zurich and University of Zurich, Zürich, Switzerland
| | - Manfred Kopf
- Institute of Molecular Health Sciences, Department of Biology, ETH Zürich, Zürich, Switzerland
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10
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Downey J, Randolph HE, Pernet E, Tran KA, Khader SA, King IL, Barreiro LB, Divangahi M. Mitochondrial cyclophilin D promotes disease tolerance by licensing NK cell development and IL-22 production against influenza virus. Cell Rep 2022; 39:110974. [PMID: 35732121 DOI: 10.1016/j.celrep.2022.110974] [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: 07/27/2021] [Revised: 03/25/2022] [Accepted: 05/26/2022] [Indexed: 11/03/2022] Open
Abstract
Severity of pulmonary viral infections, including influenza A virus (IAV), is linked to excessive immunopathology, which impairs lung function. Thus, the same immune responses that limit viral replication can concomitantly cause lung damage that must be countered by largely uncharacterized disease tolerance mechanisms. Here, we show that mitochondrial cyclophilin D (CypD) protects against IAV via disease tolerance. CypD-/- mice are significantly more susceptible to IAV infection despite comparable antiviral immunity. This susceptibility results from damage to the lung epithelial barrier caused by a reduction in interleukin-22 (IL-22)-producing natural killer (NK) cells. Transcriptomic and functional data reveal that CypD-/- NK cells are immature and have altered cellular metabolism and impaired IL-22 production, correlating with dysregulated bone marrow lymphopoiesis. Administration of recombinant IL-22 or transfer of wild-type (WT) NK cells abrogates pulmonary damage and protects CypD-/- mice after IAV infection. Collectively, these results demonstrate a key role for CypD in NK cell-mediated disease tolerance.
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Affiliation(s)
- Jeffrey Downey
- Department of Medicine, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Pathology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Haley E Randolph
- Genetics, Genomics, and Systems Biology, University of Chicago, Chicago, IL, USA
| | - Erwan Pernet
- Department of Medicine, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Pathology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Kim A Tran
- Department of Medicine, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Pathology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Shabaana A Khader
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA; Department of Molecular Microbiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Irah L King
- Department of Medicine, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Pathology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada
| | - Luis B Barreiro
- Genetics, Genomics, and Systems Biology, University of Chicago, Chicago, IL, USA; Section of Genetic Medicine, Department of Medicine, University of Chicago, Chicago, IL, USA
| | - Maziar Divangahi
- Department of Medicine, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Pathology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada; Department of Microbiology & Immunology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, QC H4A 3J1, Canada.
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11
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Ackerman EE, Weaver JJA, Shoemaker JE. Mathematical Modeling Finds Disparate Interferon Production Rates Drive Strain-Specific Immunodynamics during Deadly Influenza Infection. Viruses 2022; 14:v14050906. [PMID: 35632648 PMCID: PMC9147528 DOI: 10.3390/v14050906] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/21/2022] [Accepted: 04/23/2022] [Indexed: 01/13/2023] Open
Abstract
The timing and magnitude of the immune response (i.e., the immunodynamics) associated with the early innate immune response to viral infection display distinct trends across influenza A virus subtypes in vivo. Evidence shows that the timing of the type-I interferon response and the overall magnitude of immune cell infiltration are both correlated with more severe outcomes. However, the mechanisms driving the distinct immunodynamics between infections of different virus strains (strain-specific immunodynamics) remain unclear. Here, computational modeling and strain-specific immunologic data are used to identify the immune interactions that differ in mice infected with low-pathogenic H1N1 or high-pathogenic H5N1 influenza viruses. Computational exploration of free parameters between strains suggests that the production rate of interferon is the major driver of strain-specific immune responses observed in vivo, and points towards the relationship between the viral load and lung epithelial interferon production as the main source of variance between infection outcomes. A greater understanding of the contributors to strain-specific immunodynamics can be utilized in future efforts aimed at treatment development to improve clinical outcomes of high-pathogenic viral strains.
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Affiliation(s)
- Emily E. Ackerman
- Department of Chemical & Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15260, USA; (E.E.A.); (J.J.A.W.)
| | - Jordan J. A. Weaver
- Department of Chemical & Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15260, USA; (E.E.A.); (J.J.A.W.)
| | - Jason E. Shoemaker
- Department of Chemical & Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15260, USA; (E.E.A.); (J.J.A.W.)
- McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15260, USA
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, PA 15260, USA
- Correspondence:
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12
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Brownlie D, Rødahl I, Varnaite R, Asgeirsson H, Glans H, Falck-Jones S, Vangeti S, Buggert M, Ljunggren HG, Michaëlsson J, Gredmark-Russ S, Smed-Sörensen A, Marquardt N. Comparison of Lung-Homing Receptor Expression and Activation Profiles on NK Cell and T Cell Subsets in COVID-19 and Influenza. Front Immunol 2022; 13:834862. [PMID: 35371005 PMCID: PMC8966396 DOI: 10.3389/fimmu.2022.834862] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 02/24/2022] [Indexed: 12/11/2022] Open
Abstract
Respiratory viral infections with SARS-CoV-2 and influenza viruses commonly induce a strong infiltration of immune cells into the human lung, with potential detrimental effects on the integrity of the lung tissue. Despite comprising the largest fractions of circulating lymphocytes in the lung, rather little is known about how peripheral blood natural killer (NK) cell and T cell subsets are equipped for lung-homing in COVID-19 and influenza. Here, we provide a detailed comparative analysis of NK cells and T cells in patients infected with SARS-CoV-2 or influenza virus, focusing on the protein and gene expression of chemokine receptors known to be involved in recruitment to the lung. For this, we used 28-colour flow cytometry as well as re-analysis of a publicly available single-cell RNA-seq dataset from bronchoalveolar lavage (BAL) fluid. Frequencies of NK cells and T cells expressing CXCR3, CXCR6, and CCR5 were altered in peripheral blood of COVID-19 and influenza patients, in line with increased transcript expression of CXCR3, CXCR6, and CCR5 and their respective ligands in BAL fluid. NK cells and T cells expressing lung-homing receptors displayed stronger phenotypic signs of activation compared to cells lacking lung-homing receptors, and activation was overall stronger in influenza compared to COVID-19. Together, our results indicate a role for CXCR3+, CXCR6+, and/or CCR5+ NK cells and T cells that potentially migrate to the lungs in moderate COVID-19 and influenza patients, identifying common targets for future therapeutic interventions in respiratory viral infections.
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Affiliation(s)
- Demi Brownlie
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Inga Rødahl
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Renata Varnaite
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Hilmir Asgeirsson
- Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
- Division of Infectious Diseases, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Hedvig Glans
- Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
- Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Sara Falck-Jones
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Sindhu Vangeti
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Marcus Buggert
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Hans-Gustaf Ljunggren
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Jakob Michaëlsson
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - Sara Gredmark-Russ
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
- Department of Infectious Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - Anna Smed-Sörensen
- Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Nicole Marquardt
- Center for Infectious Medicine, Department of Medicine Huddinge, Karolinska Institutet, Stockholm, Sweden
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13
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Human C1q Regulates Influenza A Virus Infection and Inflammatory Response via Its Globular Domain. Int J Mol Sci 2022; 23:ijms23063045. [PMID: 35328462 PMCID: PMC8949502 DOI: 10.3390/ijms23063045] [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: 12/18/2021] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 01/27/2023] Open
Abstract
The Influenza A virus (IAV) is a severe respiratory pathogen. C1q is the first subcomponent of the complement system’s classical pathway. C1q is composed of 18 polypeptide chains. Each of these chains contains a collagen-like region located at the N terminus, and a C-terminal globular head region organized as a heterotrimeric structure (ghA, ghB and ghC). This study was aimed at investigating the complement activation-independent modulation by C1q and its individual recombinant globular heads against IAV infection. The interaction of C1q and its recombinant globular heads with IAV and its purified glycoproteins was examined using direct ELISA and far-Western blotting analysis. The effect of the complement proteins on IAV replication kinetics and immune modulation was assessed by qPCR. The IAV entry inhibitory properties of C1q and its recombinant globular heads were confirmed using cell binding and luciferase reporter assays. C1q bound IAV virions via HA, NA and M1 IAV proteins, and suppressed replication in H1N1, while promoting replication in H3N2-infected A549 cells. C1q treatment further triggered an anti-inflammatory response in H1N1 and pro-inflammatory response in H3N2-infected cells as evident from differential expression of TNF-α, NF-κB, IFN-α, IFN-β, IL-6, IL-12 and RANTES. Furthermore, C1q treatment was found to reduce luciferase reporter activity of MDCK cells transfected with H1N1 pseudotyped lentiviral particles, indicative of an entry inhibitory role of C1q against infectivity of IAV. These data appear to demonstrate the complement-independent subtype specific modulation of IAV infection by locally produced C1q.
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14
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Xin Y, Chen S, Tang K, Wu Y, Guo Y. Identification of Nifurtimox and Chrysin as Anti-Influenza Virus Agents by Clinical Transcriptome Signature Reversion. Int J Mol Sci 2022; 23:ijms23042372. [PMID: 35216485 PMCID: PMC8876279 DOI: 10.3390/ijms23042372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/12/2022] [Accepted: 02/18/2022] [Indexed: 12/28/2022] Open
Abstract
The rapid development in the field of transcriptomics provides remarkable biomedical insights for drug discovery. In this study, a transcriptome signature reversal approach was conducted to identify the agents against influenza A virus (IAV) infection through dissecting gene expression changes in response to disease or compounds’ perturbations. Two compounds, nifurtimox and chrysin, were identified by a modified Kolmogorov–Smirnov test statistic based on the transcriptional signatures from 81 IAV-infected patients and the gene expression profiles of 1309 compounds. Their activities were verified in vitro with half maximal effective concentrations (EC50s) from 9.1 to 19.1 μM against H1N1 or H3N2. It also suggested that the two compounds interfered with multiple sessions in IAV infection by reversing the expression of 28 IAV informative genes. Through network-based analysis of the 28 reversed IAV informative genes, a strong synergistic effect of the two compounds was revealed, which was confirmed in vitro. By using the transcriptome signature reversion (TSR) on clinical datasets, this study provides an efficient scheme for the discovery of drugs targeting multiple host factors regarding clinical signs and symptoms, which may also confer an opportunity for decelerating drug-resistant variant emergence.
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Affiliation(s)
- Yijing Xin
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (Y.X.); (S.C.); (K.T.); (Y.W.)
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Shubing Chen
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (Y.X.); (S.C.); (K.T.); (Y.W.)
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ke Tang
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (Y.X.); (S.C.); (K.T.); (Y.W.)
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - You Wu
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (Y.X.); (S.C.); (K.T.); (Y.W.)
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ying Guo
- Department of Pharmacology, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (Y.X.); (S.C.); (K.T.); (Y.W.)
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Correspondence: ; Tel.: +86-010-63161716
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15
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Feng S, Song F, Guo W, Tan J, Zhang X, Qiao F, Guo J, Zhang L, Jia X. Potential Genes Associated with COVID-19 and Comorbidity. Int J Med Sci 2022; 19:402-415. [PMID: 35165525 PMCID: PMC8795808 DOI: 10.7150/ijms.67815] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Accepted: 01/05/2022] [Indexed: 11/10/2022] Open
Abstract
Hypertension, diabetes mellitus, and coronary artery disease are common comorbidities and dangerous factors for infection and serious COVID-19. Polymorphisms in genes associated with comorbidities may help observe susceptibility and disease severity variation. However, specific genetic factors and the extent to which they can explain variation in susceptibility of severity are unclear. Therefore, we evaluated candidate genes associated with COVID-19 and hypertension, diabetes mellitus, and coronary artery disease. In particular, we performed searches against OMIM, NCBI, and other databases, protein-protein interaction network construction, and GO and KEGG pathway enrichment analyses. Results showed that the associated overlapping genes were TLR4, NLRP3, MBL2, IL6, IL1RN, IL1B, CX3CR1, CCR5, AGT, ACE, and F2. GO and KEGG analyses yielded 302 GO terms (q < 0.05) and 29 signaling pathways (q < 0.05), respectively, mainly including coronavirus disease-COVID-19 and cytokine-cytokine receptor interaction. IL6 and AGT were central in the PPI, with 8 and 5 connections, respectively. In this study, we identified 11 genes associated with both COVID-19 and three comorbidities that may contribute to infection and disease severity. The key genes IL6 and AGT are involved in regulating immune response, cytokine activity, and viral infection. Therefore, RAAS inhibitors, AGT antisense nucleotides, cytokine inhibitors, vitamin D, fenofibrate, and vaccines regulating non-immune and immune factors could be potential strategies to prevent and cure COVID-19. The study provides a basis for further investigation of genes and pathways with predictive value for the risk of infection and prognosis and could help guide drug and vaccine development to improve treatment efficacy and the development of personalised treatments, especially for COVID-19 individuals with common comorbidities.
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Affiliation(s)
- Shanshan Feng
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
- Non-coding RNA and Drug Discovery Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, Sichuan, China
| | - Fuqiang Song
- Department of medical Laboratory, The General Hospital of Western Theater Command, Chengdu, China
| | | | - Jishan Tan
- Department of medical Laboratory, The General Hospital of Western Theater Command, Chengdu, China
| | - Xianqin Zhang
- School of Basic Medical Sciences, Chengdu Medical College, Chengdu, Sichuan, China
| | - Fengling Qiao
- College of Medical Technology, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Jinlin Guo
- Key Laboratory of Systematic Research of Distinctive Chinese Medicine Resources in Southwest China, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Chongqing Key Laboratory of Sichuan-Chongqing Co-construction for Diagnosis and Treatment of Infectious Diseases Integrated Traditional Chinese and Western Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lin Zhang
- Department of Pharmacy, Shaoxing People's Hospital, Shaoxing Hospital, Zhejiang University School of Medicine, Shaoxing, China
| | - Xu Jia
- Non-coding RNA and Drug Discovery Key Laboratory of Sichuan Province, Chengdu Medical College, Chengdu, Sichuan, China
- School of Basic Medical Sciences, Chengdu Medical College, Chengdu, Sichuan, China
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16
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Chavez J, Hai R. Effects of Cigarette Smoking on Influenza Virus/Host Interplay. Pathogens 2021; 10:pathogens10121636. [PMID: 34959590 PMCID: PMC8704216 DOI: 10.3390/pathogens10121636] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 12/15/2022] Open
Abstract
Cigarette smoking has been shown to increase the risk of respiratory infection, resulting in the exacerbation of infectious disease outcomes. Influenza viruses are a major respiratory viral pathogen, which are responsible for yearly epidemics that result in between 20,000 and 50,000 deaths in the US alone. However, there are limited general summaries on the impact of cigarette smoking on influenza pathogenic outcomes. Here, we will provide a systematic summarization of the current understanding of the interplay of smoking and influenza viral infection with a focus on examining how cigarette smoking affects innate and adaptive immune responses, inflammation levels, tissues that contribute to systemic chronic inflammation, and how this affects influenza A virus (IAV) disease outcomes. This summarization will: (1) help to clarify the conflict in the reports on viral pathogenicity; (2) fill knowledge gaps regarding critical anti-viral defenses such as antibody responses to IAV; and (3) provide an updated understanding of the underlying mechanism behind how cigarette smoking influences IAV pathogenicity.
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17
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Alshammary AF, Al-Sulaiman AM. The journey of SARS-CoV-2 in human hosts: a review of immune responses, immunosuppression, and their consequences. Virulence 2021; 12:1771-1794. [PMID: 34251989 PMCID: PMC8276660 DOI: 10.1080/21505594.2021.1929800] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/13/2021] [Accepted: 05/10/2021] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is a highly infectious viral disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Laboratory findings from a significant number of patients with COVID-19 indicate the occurrence of leukocytopenia, specifically lymphocytopenia. Moreover, infected patients can experience contrasting outcomes depending on lymphocytopenia status. Patients with resolved lymphocytopenia are more likely to recover, whereas critically ill patients with signs of unresolved lymphocytopenia develop severe complications, sometimes culminating in death. Why immunodepression manifests in patients with COVID-19 remains unclear. Therefore, the evaluation of clinical symptoms and laboratory findings from infected patients is critical for understanding the disease course and its consequences. In this review, we take a logical approach to unravel the reasons for immunodepression in patients with COVID-19. Following the footprints of the virus within host tissues, from entry to exit, we extrapolate the mechanisms underlying the phenomenon of immunodepression.
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Affiliation(s)
- Amal F. Alshammary
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, Riyadh, Saudi Arabia
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18
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Chang XL, Wu HL, Webb GM, Tiwary M, Hughes C, Reed JS, Hwang J, Waytashek C, Boyle C, Pessoa C, Sylwester AW, Morrow D, Belica K, Fischer M, Kelly S, Pourhassan N, Bochart RM, Smedley J, Recknor CP, Hansen SG, Sacha JB. CCR5 Receptor Occupancy Analysis Reveals Increased Peripheral Blood CCR5+CD4+ T Cells Following Treatment With the Anti-CCR5 Antibody Leronlimab. Front Immunol 2021; 12:794638. [PMID: 34868084 PMCID: PMC8640501 DOI: 10.3389/fimmu.2021.794638] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/01/2021] [Indexed: 11/13/2022] Open
Abstract
CCR5 plays a central role in infectious disease, host defense, and cancer progression, thereby making it an ideal target for therapeutic development. Notably, CCR5 is the major HIV entry co-receptor, where its surface density correlates with HIV plasma viremia. The level of CCR5 receptor occupancy (RO) achieved by a CCR5-targeting therapeutic is therefore a critical predictor of its efficacy. However, current methods to measure CCR5 RO lack sensitivity, resulting in high background and overcalculation. Here, we report on two independent, flow cytometric methods of calculating CCR5 RO using the anti-CCR5 antibody, Leronlimab. We show that both methods led to comparable CCR5 RO values, with low background on untreated CCR5+CD4+ T cells and sensitive measurements of occupancy on both blood and tissue-resident CD4+ T cells that correlated longitudinally with plasma concentrations in Leronlimab-treated macaques. Using these assays, we found that Leronlimab stabilized cell surface CCR5, leading to an increase in the levels of circulating and tissue-resident CCR5+CD4+ T cells in vivo in Leronlimab-treated macaques. Weekly Leronlimab treatment in a chronically SIV-infected macaque led to increased CCR5+CD4+ T cells levels and fully suppressed plasma viremia, both concomitant with full CCR5 RO on peripheral blood CD4+ T cells, demonstrating that CCR5+CD4+ T cells were protected from viral replication by Leronlimab binding. Finally, we extended these results to Leronlimab-treated humans and found that weekly 700 mg Leronlimab led to complete CCR5 RO on peripheral blood CD4+ T cells and a statistically significant increase in CCR5+CD4+ T cells in peripheral blood. Collectively, these results establish two RO calculation methods for longitudinal monitoring of anti-CCR5 therapeutic antibody blockade efficacy in both macaques and humans, demonstrate that CCR5+CD4+ T cell levels temporarily increase with Leronlimab treatment, and facilitate future detailed investigations into the immunological impacts of CCR5 inhibition in multiple pathophysiological processes.
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Affiliation(s)
- Xiao L. Chang
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Helen L. Wu
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Gabriela M. Webb
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Meenakshi Tiwary
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Colette Hughes
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Jason S. Reed
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Joseph Hwang
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Courtney Waytashek
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Carla Boyle
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Cleiton Pessoa
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Andrew W. Sylwester
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - David Morrow
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Karina Belica
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Miranda Fischer
- Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
| | | | | | - Rachele M. Bochart
- Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
| | - Jeremy Smedley
- Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
| | | | - Scott G. Hansen
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
| | - Jonah B. Sacha
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Portland, OR, United States
- Oregon National Primate Research Center, Oregon Health and Science University, Portland, OR, United States
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19
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Hulme KD, Noye EC, Short KR, Labzin LI. Dysregulated Inflammation During Obesity: Driving Disease Severity in Influenza Virus and SARS-CoV-2 Infections. Front Immunol 2021; 12:770066. [PMID: 34777390 PMCID: PMC8581451 DOI: 10.3389/fimmu.2021.770066] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 09/30/2021] [Indexed: 12/15/2022] Open
Abstract
Acute inflammation is a critical host defense response during viral infection. When dysregulated, inflammation drives immunopathology and tissue damage. Excessive, damaging inflammation is a hallmark of both pandemic influenza A virus (IAV) infections and Severe Acute Respiratory Syndrome-Coronavirus-2 (SARS-CoV-2) infections. Chronic, low-grade inflammation is also a feature of obesity. In recent years, obesity has been recognized as a growing pandemic with significant mortality and associated costs. Obesity is also an independent risk factor for increased disease severity and death during both IAV and SARS-CoV-2 infection. This review focuses on the effect of obesity on the inflammatory response in the context of viral respiratory infections and how this leads to increased viral pathology. Here, we will review the fundamentals of inflammation, how it is initiated in IAV and SARS-CoV-2 infection and its link to disease severity. We will examine how obesity drives chronic inflammation and trained immunity and how these impact the immune response to IAV and SARS-CoV-2. Finally, we review both medical and non-medical interventions for obesity, how they impact on the inflammatory response and how they could be used to prevent disease severity in obese patients. As projections of global obesity numbers show no sign of slowing down, future pandemic preparedness will require us to consider the metabolic health of the population. Furthermore, if weight-loss alone is insufficient to reduce the risk of increased respiratory virus-related mortality, closer attention must be paid to a patient’s history of health, and new therapeutic options identified.
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Affiliation(s)
- Katina D Hulme
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Ellesandra C Noye
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia
| | - Kirsty R Short
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, QLD, Australia.,Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Larisa I Labzin
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, QLD, Australia.,Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
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20
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Complement Decay-Accelerating Factor is a modulator of influenza A virus lung immunopathology. PLoS Pathog 2021; 17:e1009381. [PMID: 34197564 PMCID: PMC8248730 DOI: 10.1371/journal.ppat.1009381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 05/26/2021] [Indexed: 12/13/2022] Open
Abstract
Clearance of viral infections, such as SARS-CoV-2 and influenza A virus (IAV), must be fine-tuned to eliminate the pathogen without causing immunopathology. As such, an aggressive initial innate immune response favors the host in contrast to a detrimental prolonged inflammation. The complement pathway bridges innate and adaptive immune system and contributes to the response by directly clearing pathogens or infected cells, as well as recruiting proinflammatory immune cells and regulating inflammation. However, the impact of modulating complement activation in viral infections is still unclear. In this work, we targeted the complement decay-accelerating factor (DAF/CD55), a surface protein that protects cells from non-specific complement attack, and analyzed its role in IAV infections. We found that DAF modulates IAV infection in vivo, via an interplay with the antigenic viral proteins hemagglutinin (HA) and neuraminidase (NA), in a strain specific manner. Our results reveal that, contrary to what could be expected, DAF potentiates complement activation, increasing the recruitment of neutrophils, monocytes and T cells. We also show that viral NA acts on the heavily sialylated DAF and propose that the NA-dependent DAF removal of sialic acids exacerbates complement activation, leading to lung immunopathology. Remarkably, this mechanism has no impact on viral loads, but rather on the host resilience to infection, and may have direct implications in zoonotic influenza transmissions. Exacerbated complement activation and immune deregulation are at the basis of several pathologies induced by respiratory viruses. Here, we report that complement decay-accelerating factor (DAF), which inhibits complement activation in healthy cells, increases disease severity upon influenza A virus (IAV) infection. Remarkably, DAF interaction with IAV proteins, hemagglutinin (HA) and neuraminidase (NA), resulted in excessive complement activation and recruitment of innate and adaptive immune cells, without affecting viral loads. Furthermore, we observed that viral NA directly cleaves DAF and promotes complement activation, providing a possible link between IAV-DAF interaction and pathology. Therefore, our results unveil a novel pathway that could modulate disease severity, which may help to understand the increased pathogenicity of zoonotic and pandemic IAV infections.
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21
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First Survey of SNPs in TMEM154, TLR9, MYD88 and CCR5 Genes in Sheep Reared in Italy and Their Association with Resistance to SRLVs Infection. Viruses 2021; 13:v13071290. [PMID: 34372496 PMCID: PMC8310241 DOI: 10.3390/v13071290] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/28/2021] [Accepted: 06/30/2021] [Indexed: 01/01/2023] Open
Abstract
Maedi-visna virus (MVV) and caprine arthritis encephalitis virus (CAEV), referred to as small ruminant lentiviruses (SRLVs), belong to the genus Lentivirus of the Retroviridae family. SRLVs infect both sheep and goats, causing significant economic losses and animal welfare damage. Recent findings suggest an association between serological status and allelic variants of different genes such as TMEM154, TLR9, MYD88 and CCR5. The aim of this work was to investigate the role of specific polymorphisms of these genes in SRLVs infection in some sheep flocks in Italy. In addition to those already known, novel variants in the TMEM154 (P7H, I74V, I105V) gene were detected in this study. The risk of infection was determined finding an association between the serological status and polymorphisms P7H, E35K, N70I, I74V, I105V of TMEM154, R447Q, A462S and G520R in TLR9 gene, H176H* and K190K* in MYD88 genes, while no statistical association was observed for the 4-bp deletion of the CCR5 gene. Since no vaccines or treatments have been developed, a genetically based approach could be an innovative strategy to prevent and to control SRLVs infection. Our findings are an important starting point in order to define the genetic resistance profile towards SRLVs infection.
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22
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CCR5 Antagonist Maraviroc Inhibits Acute Exacerbation of Lung Inflammation Triggered by Influenza Virus in Cigarette Smoke-Exposed Mice. Pharmaceuticals (Basel) 2021; 14:ph14070620. [PMID: 34203121 PMCID: PMC8308708 DOI: 10.3390/ph14070620] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/08/2021] [Accepted: 06/09/2021] [Indexed: 12/17/2022] Open
Abstract
Influenza A virus (IAV) infection is a common cause of acute exacerbations of chronic obstructive pulmonary disease (AECOPD). Since macrophage inflammatory protein 1 α, a chemokine that acts through CC-chemokine receptor (CCR)-5, appears elevated in COPD patients’ airways, we evaluated whether CCR5 antagonist Maraviroc could inhibit the exacerbated lung inflammatory response noted after IAV H1N1 infection in mice exposed to cigarette smoke (Cs). C57BL/6 mice, subjected or not to Cs inhalation for 11 days, were infected with H1N1 at day 7. Maraviroc (10 mg/kg) or dexamethasone (1 mg/kg) were given in a therapeutic schedule, followed by the analyses of lung function, survival rate, and inflammatory changes. As compared to mice subjected to Cs or H1N1 alone, the insult combination significantly worsened airway obstruction, neutrophil infiltration in the airways, and the survival rate. All changes were sensitive to Maraviroc but not dexamethasone. Maraviroc also reduced the accumulation of neutrophils and macrophages as well as CXCL1 production in the lung tissue, and serum levels of IL-6, whereas comparable viral titers in the lungs were noted in all infected groups. Collectively, these findings suggest that Maraviroc oral treatment could be an effective therapy for controlling acute exacerbations of respiratory diseases such as COPD.
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23
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Harpur CM, Le Page MA, Tate MD. Too young to die? How aging affects cellular innate immune responses to influenza virus and disease severity. Virulence 2021; 12:1629-1646. [PMID: 34152253 PMCID: PMC8218692 DOI: 10.1080/21505594.2021.1939608] [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] [Indexed: 12/02/2022] Open
Abstract
Influenza is a respiratory viral infection that causes significant morbidity and mortality worldwide. The innate immune cell response elicited during influenza A virus (IAV) infection forms the critical first line of defense, which typically is impaired as we age. As such, elderly individuals more commonly succumb to influenza-associated complications, which is reflected in most aged animal models of IAV infection. Here, we review the important roles of several major innate immune cell populations in influenza pathogenesis, some of which being deleterious to the host, and the current knowledge of how age-associated numerical, phenotypic and functional cell changes impact disease development. Further investigation into age-related modulation of innate immune cell responses, using appropriate animal models, will help reveal how immunity to IAV may be compromised by aging and inform the development of novel therapies, tailored for use in this vulnerable group.
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Affiliation(s)
- Christopher M Harpur
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, Australia
| | - Mélanie A Le Page
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, Australia
| | - Michelle D Tate
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, Australia.,Department of Molecular and Translational Sciences, Monash University, Clayton, Australia
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24
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Hua R, Edey LF, O'Dea KP, Howe L, Herbert BR, Cheng W, Zheng X, MacIntyre DA, Bennett PR, Takata M, Johnson MR. CCR2 mediates the adverse effects of LPS in the pregnant mouse. Biol Reprod 2021; 102:445-455. [PMID: 31599921 DOI: 10.1093/biolre/ioz188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 08/14/2019] [Accepted: 09/16/2019] [Indexed: 01/02/2023] Open
Abstract
In our earlier work, we found that intrauterine (i.u.) and intraperitoneal (i.p.) injection of LPS (10-μg serotype 0111:B4) induced preterm labor (PTL) with high pup mortality, marked systemic inflammatory response and hypotension. Here, we used both i.u. and i.p. LPS models in pregnant wild-type (wt) and CCR2 knockout (CCR2-/-) mice on E16 to investigate the role played by the CCL2/CCR2 system in the response to LPS. Basally, lower numbers of monocytes and macrophages and higher numbers of neutrophils were found in the myometrium, placenta, and blood of CCR2-/- vs. wt mice. After i.u. LPS, parturition occurred at 14 h in both groups of mice. At 7 h post-injection, 70% of wt pups were dead vs. 10% of CCR2-/- pups, but at delivery 100% of wt and 90% of CCR2-/- pups were dead. Myometrial and placental monocytes and macrophages were generally lower in CCR2-/- mice, but this was less consistent in the circulation, lung, and liver. At 7 h post-LPS, myometrial ERK activation was greater and JNK and p65 lower and the mRNA levels of chemokines were higher and of inflammatory cytokines lower in CCR2-/- vs. wt mice. Pup brain and placental inflammation were similar. Using the IP LPS model, we found that all measures of arterial pressure increased in CCR2-/- but declined in wt mice. These data suggest that the CCL2/CCR2 system plays a critical role in the cardiovascular response to LPS and contributes to pup death but does not influence the onset of inflammation-induced PTL.
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Affiliation(s)
- Renyi Hua
- Imperial College Parturition Research Group, Academic Department of Obstetrics & Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, UK.,The International Peace Maternity & Child Health Hospital of China Welfare Institute (IPMCH), School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai Municipal Key Clinical Specialty, Shanghai, China
| | - Lydia F Edey
- Imperial College Parturition Research Group, Academic Department of Obstetrics & Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, UK
| | - Kieran P O'Dea
- Section of Anaesthetics, Pain Medicine, and Intensive Care, Faculty of Medicine, Chelsea and Westminster Hospital, London, UK
| | - Laura Howe
- Imperial College Parturition Research Group, Academic Department of Obstetrics & Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, UK
| | - Bronwen R Herbert
- Imperial College Parturition Research Group, Academic Department of Obstetrics & Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, UK
| | - Weiwei Cheng
- The International Peace Maternity & Child Health Hospital of China Welfare Institute (IPMCH), School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai Municipal Key Clinical Specialty, Shanghai, China
| | - Xia Zheng
- Imperial College Parturition Research Group, Academic Department of Obstetrics & Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, UK
| | - David A MacIntyre
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus, London, UK
| | - Philip R Bennett
- Institute of Reproductive and Developmental Biology, Hammersmith Hospital Campus, London, UK
| | - Masao Takata
- The International Peace Maternity & Child Health Hospital of China Welfare Institute (IPMCH), School of Medicine, Shanghai Jiao Tong University, Shanghai Key Laboratory of Embryo Original Diseases, Shanghai Municipal Key Clinical Specialty, Shanghai, China
| | - Mark R Johnson
- Imperial College Parturition Research Group, Academic Department of Obstetrics & Gynaecology, Imperial College School of Medicine, Chelsea and Westminster Hospital, London, UK
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25
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Cantalupo S, Lasorsa VA, Russo R, Andolfo I, D’Alterio G, Rosato BE, Frisso G, Abete P, Cassese GM, Servillo G, Gentile I, Piscopo C, Della Monica M, Fiorentino G, Russo G, Cerino P, Buonerba C, Pierri B, Zollo M, Iolascon A, Capasso M. Regulatory Noncoding and Predicted Pathogenic Coding Variants of CCR5 Predispose to Severe COVID-19. Int J Mol Sci 2021; 22:5372. [PMID: 34065289 PMCID: PMC8161088 DOI: 10.3390/ijms22105372] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 05/12/2021] [Accepted: 05/18/2021] [Indexed: 11/17/2022] Open
Abstract
Genome-wide association studies (GWAS) found locus 3p21.31 associated with severe COVID-19. CCR5 resides at the same locus and, given its known biological role in other infection diseases, we investigated if common noncoding and rare coding variants, affecting CCR5, can predispose to severe COVID-19. We combined single nucleotide polymorphisms (SNPs) that met the suggestive significance level (P ≤ 1 × 10-5) at the 3p21.31 locus in public GWAS datasets (6406 COVID-19 hospitalized patients and 902,088 controls) with gene expression data from 208 lung tissues, Hi-C, and Chip-seq data. Through whole exome sequencing (WES), we explored rare coding variants in 147 severe COVID-19 patients. We identified three SNPs (rs9845542, rs12639314, and rs35951367) associated with severe COVID-19 whose risk alleles correlated with low CCR5 expression in lung tissues. The rs35951367 resided in a CTFC binding site that interacts with CCR5 gene in lung tissues and was confirmed to be associated with severe COVID-19 in two independent datasets. We also identified a rare coding variant (rs34418657) associated with the risk of developing severe COVID-19. Our results suggest a biological role of CCR5 in the progression of COVID-19 as common and rare genetic variants can increase the risk of developing severe COVID-19 by affecting the functions of CCR5.
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Affiliation(s)
- Sueva Cantalupo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Vito Alessandro Lasorsa
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Roberta Russo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Immacolata Andolfo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | | | - Barbara Eleni Rosato
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Giulia Frisso
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Pasquale Abete
- COVID Hospital, P.O.S. Anna e SS. Madonna della Neve di Boscotrecase, Ospedali Riuniti Area Vesuviana, 80042 Boscotrecase, Italy; (P.A.); (G.M.C.)
| | - Gian Marco Cassese
- COVID Hospital, P.O.S. Anna e SS. Madonna della Neve di Boscotrecase, Ospedali Riuniti Area Vesuviana, 80042 Boscotrecase, Italy; (P.A.); (G.M.C.)
| | - Giuseppe Servillo
- Dipartimento di Neuroscienze e Scienze Riproduttive ed Odontostomatologiche, Università degli Studi di Napoli Federico II, 80131 Napoli, Italy;
| | - Ivan Gentile
- Dipartimento di Medicina Clinica e Chirurgia, Università degli Studi di Napoli Federico II, 80131 Napoli, Italy;
| | - Carmelo Piscopo
- Medical and Laboratory Genetics Unit, A.O.R.N. ‘Antonio Cardarelli’, 80131 Napoli, Italy; (C.P.); (M.D.M.)
| | - Matteo Della Monica
- Medical and Laboratory Genetics Unit, A.O.R.N. ‘Antonio Cardarelli’, 80131 Napoli, Italy; (C.P.); (M.D.M.)
| | | | - Giuseppe Russo
- Unità di Radiologia, Casa di Cura Villa dei Fiori, 80011 Acerra, Italy;
| | - Pellegrino Cerino
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (P.C.); (C.B.); (B.P.)
| | - Carlo Buonerba
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (P.C.); (C.B.); (B.P.)
| | - Biancamaria Pierri
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, 80055 Portici, Italy; (P.C.); (C.B.); (B.P.)
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università di Salerno, 84081 Baronissi, Italy
| | - Massimo Zollo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Achille Iolascon
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
| | - Mario Capasso
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università degli Studi di Napoli Federico II, 80136 Napoli, Italy; (S.C.); (V.A.L.); (R.R.); (I.A.); (B.E.R.); (G.F.); (M.Z.); (A.I.)
- CEINGE Biotecnologie Avanzate, 80145 Napoli, Italy;
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26
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Noronha BP, Mambrini JVDM, Torres KCL, Martins-Filho OA, Teixeira-Carvalho A, Lima-Costa MF, Peixoto SV. Cytomegalovirus and herpes simplex type 1 infections and immunological profile of community-dwelling older adults. Exp Gerontol 2021; 149:111337. [PMID: 33811928 DOI: 10.1016/j.exger.2021.111337] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 02/25/2021] [Accepted: 03/28/2021] [Indexed: 11/28/2022]
Abstract
Chronic infections, such as cytomegalovirus (CMV) and herpes simplex virus type 1 (HSV-1), contribute to the inflammation process among older adults and are associated with the immunosenescence process. The aim was to identify the immunological profile associated with CMV and HSV-1 infections among older adults. This is a cross-sectional study, carried out with 1492 participants from the Bambuí Cohort Study of Aging - Minas Gerais, Brazil. For analysis purposes, we considered the presence of immunoglobulin G (IgG) for CMV and HSV-1 in the participants' serum, assessed by the enzyme-linked immunosorbent assay (ELISA); outcomes were defined by titration above the median (>160 UR/mL for HSV-1 and >399.5 U/mL for CMV). In order to assess the immunological profile, the following biomarkers were considered: IL-1beta, IL-10, IL-12, TNF, CXCL8, CXCL9, CXCL10, CCL2, CCL5, IL-6 and CRP; the first four being categorized as detectable levels or not, and the others using the Classification and Regression Tree (CART) method. The analysis was adjusted for sociodemographic variables, health behaviors and health conditions. The seroprevalence of anti CMV and anti HSV-1 antibodies was 99.4% and 97.0%, respectively. Higher concentrations of CXCL8 and CCL5 chemokines were associated with lower antibody titers for CMV, and higher concentrations of CXCL9, IL-6 and CRP were associated with higher levels of antibodies to CMV. Moreover, intermediate levels of CXCL10 were also associated with higher levels of antibodies to CMV. In HSV-1 infection, intermediate levels of CXCL9, CCL5 and IL-6 were less likely to have higher antibody titers for this infection. On the other hand, higher levels of CXCL10 and CRP were positively associated with higher antibody titers for HSV-1. The results describe important immunological changes and reinforce the potential effect of CMV and HSV-1 on the immunosenescence process.
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Affiliation(s)
- Beatriz Prado Noronha
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Health Studies Center, Public Health and Aging, Belo Horizonte, Minas Gerais, Brazil
| | - Juliana Vaz de Melo Mambrini
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Health Studies Center, Public Health and Aging, Belo Horizonte, Minas Gerais, Brazil.
| | - Karen Cecília Lima Torres
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Integrated Research Group on Biomarkers, Belo Horizonte, Minas Gerais, Brazil; José do Rosário Vellano University - UNIFENAS, Belo Horizonte, Minas Gerais, Brazil
| | - Olindo Assis Martins-Filho
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Integrated Research Group on Biomarkers, Belo Horizonte, Minas Gerais, Brazil.
| | - Andréa Teixeira-Carvalho
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Integrated Research Group on Biomarkers, Belo Horizonte, Minas Gerais, Brazil.
| | - Maria Fernanda Lima-Costa
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Health Studies Center, Public Health and Aging, Belo Horizonte, Minas Gerais, Brazil.
| | - Sérgio Viana Peixoto
- Instituto René Rachou, Oswaldo Cruz Foundation (Fiocruz) Fiocruz Minas, Health Studies Center, Public Health and Aging, Belo Horizonte, Minas Gerais, Brazil; Federal University of Minas Gerais, Nursing School, Department of Health Management, Belo Horizonte, Minas Gerais, Brazil.
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27
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A meta-analysis uncovers the first sequence variant conferring risk of Bell's palsy. Sci Rep 2021; 11:4188. [PMID: 33602968 PMCID: PMC7893061 DOI: 10.1038/s41598-021-82736-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 01/22/2021] [Indexed: 01/31/2023] Open
Abstract
Bell's palsy is the most common cause of unilateral facial paralysis and is defined as an idiopathic and acute inability to control movements of the facial muscles on the affected side. While the pathogenesis remains unknown, previous studies have implicated post-viral inflammation and resulting compression of the facial nerve. Reported heritability estimates of 4-14% suggest a genetic component in the etiology and an autosomal dominant inheritance has been proposed. Here, we report findings from a meta-analysis of genome-wide association studies uncovering the first unequivocal association with Bell's palsy (rs9357446-A; P = 6.79 × 10-23, OR = 1.23; Ncases = 4714, Ncontrols = 1,011,520). The variant also confers risk of intervertebral disc disorders (P = 2.99 × 10-11, OR = 1.04) suggesting a common pathogenesis in part or a true pleiotropy.
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28
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Chen Z, Xie X, Jiang N, Li J, Shen L, Zhang Y. CCR5 signaling promotes lipopolysaccharide-induced macrophage recruitment and alveolar developmental arrest. Cell Death Dis 2021; 12:184. [PMID: 33589608 PMCID: PMC7883330 DOI: 10.1038/s41419-021-03464-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 02/07/2023]
Abstract
The pathogenesis of bronchopulmonary dysplasia (BPD), involves inflammatory, mechanisms that are not fully characterized. Here we report that overexpression of C-C chemokine receptor 5 (CCR5) and its ligands is associated with BPD development. Lipopolysaccharide-induced BPD rats have increased CCR5 and interleukin-1β (IL-1β) levels, and decreased alveolarization, while CCR5 or IL-1β receptor antagonist treatments decreased inflammation and increased alveolarization. CCR5 enhances macrophage migration, macrophage infiltration in the lungs, IL-1β levels, lysyl oxidase activity, and alveolar development arrest. CCR5 expression on monocytes, and its ligands in blood samples from BPD infants, are elevated. Furthermore, batyl alcohol supplementation reduced CCR5 expression and IL-1β production in lipopolysaccharide-exposed rat lungs. Moreover, receptor-interacting kinase 3 (RIP3) upstream regulator of CCR5-cultured RIP3−/− macrophages exhibited partly blocked lipopolysaccharide-induced CCR5 expression. We conclude that increased CCR5 expression is a key mechanism in BPD development and represents a novel therapeutic target for treatment.
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Affiliation(s)
- Ze Chen
- Department of Neonatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 1665 Kong Jiang Road, 200092, Shanghai, China
| | - Xiaohua Xie
- Department of Neonatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 1665 Kong Jiang Road, 200092, Shanghai, China
| | - Na Jiang
- Department of Neonatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 1665 Kong Jiang Road, 200092, Shanghai, China
| | - Jianhui Li
- Department of Neonatology, Shanghai Children's Hospital, Shanghai Jiao Tong University, 355 Lu Ding Road, 200062, Shanghai, China
| | - Lei Shen
- Shanghai Institute of Immunology, Shanghai Jiao Tong University School of Medicine, Building No. 5(West Area), No. 280 South Chongqing Road, 200025, Shanghai, China.
| | - Yongjun Zhang
- Department of Neonatology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, 1665 Kong Jiang Road, 200092, Shanghai, China.
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Does tissue imprinting restrict macrophage plasticity? Nat Immunol 2021; 22:118-127. [PMID: 33462453 DOI: 10.1038/s41590-020-00849-2] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 11/20/2020] [Indexed: 01/29/2023]
Abstract
Macrophages have long been considered as particularly plastic cells. However, recent work combining fate mapping, single-cell transcriptomics and epigenetics has undermined the macrophage plasticity dogma. Here, we discuss recent studies that have carefully dissected the response of individual macrophage subsets to pulmonary insults and call for an adjustment of the macrophage plasticity concept. We hypothesize that prolonged tissue residency shuts down much of the plasticity of macrophages and propose that the restricted plasticity of resident macrophages has been favored by evolution to safeguard tissue homeostasis. Recruited monocytes are more plastic and their differentiation into resident macrophages during inflammation can result in a dual imprinting from both the ongoing inflammation and the macrophage niche. This results in inflammation-imprinted resident macrophages, and we speculate that rewired niche circuits could maintain this inflammatory state. We believe that this revisited plasticity model offers opportunities to reset the macrophage pool after a severe inflammatory episode.
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30
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Khalil BA, Elemam NM, Maghazachi AA. Chemokines and chemokine receptors during COVID-19 infection. Comput Struct Biotechnol J 2021; 19:976-988. [PMID: 33558827 PMCID: PMC7859556 DOI: 10.1016/j.csbj.2021.01.034] [Citation(s) in RCA: 124] [Impact Index Per Article: 41.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 12/17/2022] Open
Abstract
Chemokines are crucial inflammatory mediators needed during an immune response to clear pathogens. However, their excessive release is the main cause of hyperinflammation. In the recent COVID-19 outbreak, chemokines may be the direct cause of acute respiratory disease syndrome, a major complication leading to death in about 40% of severe cases. Several clinical investigations revealed that chemokines are directly involved in the different stages of SARS-CoV-2 infection. Here, we review the role of chemokines and their receptors in COVID-19 pathogenesis to better understand the disease immunopathology which may aid in developing possible therapeutic targets for the infection.
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Key Words
- AECs, airway epithelial cells
- AP-1, Activator Protein 1
- ARDS
- ARDS, acute respiratory disease syndrome
- BALF, bronchial alveolar lavage fluid
- CAP, community acquired pneumonia
- COVID-19
- CRS, cytokine releasing syndrome
- Chemokine Receptors
- Chemokines
- DCs, dendritic cells
- ECM, extracellular matrix
- GAGs, glycosaminoglycans
- HIV, human immunodeficiency virus
- HRSV, human respiratory syncytial virus
- IFN, interferon
- IMM, inflammatory monocytes and macrophages
- IP-10, IFN-γ-inducible protein 10
- IRF, interferon regulatory factor
- Immunity
- MERS-CoV, Middle East respiratory syndrome coronavirus
- NETs, neutrophil extracellular traps
- NF-κB, Nuclear Factor kappa-light-chain-enhancer of activated B cells
- NK cells, natural killer cells
- PBMCs, peripheral blood mononuclear cells
- PRR, pattern recognition receptors
- RSV, rous sarcoma virus
- SARS-CoV, severe acute respiratory syndrome coronavirus
- SARS-CoV-2
- TLR, toll like receptor
- TRIF, TIR-domain-containing adapter-inducing interferon-β
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Affiliation(s)
- Bariaa A. Khalil
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Immuno-Oncology Group, Sharjah Institute for Medical Research (SIMR), Sharjah, United Arab Emirates
| | - Noha Mousaad Elemam
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Immuno-Oncology Group, Sharjah Institute for Medical Research (SIMR), Sharjah, United Arab Emirates
| | - Azzam A. Maghazachi
- Department of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Immuno-Oncology Group, Sharjah Institute for Medical Research (SIMR), Sharjah, United Arab Emirates
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31
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Meidaninikjeh S, Sabouni N, Marzouni HZ, Bengar S, Khalili A, Jafari R. Monocytes and macrophages in COVID-19: Friends and foes. Life Sci 2021; 269:119010. [PMID: 33454368 PMCID: PMC7834345 DOI: 10.1016/j.lfs.2020.119010] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/27/2020] [Accepted: 12/27/2020] [Indexed: 01/08/2023]
Abstract
The COVID-19 is a novel infectious disease caused by SARS-CoV-2 and is known as a pandemic emergency that has led to a high rate of mortality throughout the world. Evidence has indicated that hyperinflammatory responses triggered by SARS-CoV-2 are the main cause of pathogenicity in the severe cases of patients who have died during the current viral disease. Monocytes and macrophages as the most important cells of the innate arm of the immune system play a substantial part in the body's defense against viral infections. They mainly respond to the microbial antigens by producing inflammatory mediators to remove pathogens and repair tissue injury. Nevertheless, aberrant alterations in their function such as cytokine storm can be so harmful to the host in the acute respiratory distress syndrome cases caused by SARS-CoV-2. Moreover, inflammatory responses stimulated by SARS-CoV-2 have affected the other vital organs of the body including the heart. As cardiovascular complications in COVID-19 patients have been reported in several studies. During the infection, monocytes and macrophages may be involved in the hypersensitive and exacerbated reactions that contribute to the tissue damage, especially lung injury resulted in its dysfunction and respiratory disorder. In this review, we discuss both advantageous and disadvantageous about the pathological potential of monocytes and macrophages during the infection of SARS-CoV-2 to clarify their mutual effects on immune processing as a fist line defender in the current disease.
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Affiliation(s)
- Sepideh Meidaninikjeh
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
| | - Nasim Sabouni
- Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hadi Zare Marzouni
- Qaen School of Nursing and Midwifery, Birjand University of Medical Science, Birjand, Iran
| | - Sajad Bengar
- Department of Microbiology, Faculty of Science, Shahre Ghods Branch, Islamic Azad University, Shahre Ghods, Tehran, Iran
| | - Ahmad Khalili
- Cancer Biomedical Center (CBC) Research Institute, Tehran, Iran.
| | - Reza Jafari
- Solid Tumor Research Center, Cellular and Molecular Medicine Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
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32
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Starčević Čizmarević N, Tota M, Ristić S. Does the CCR5-Δ32 mutation explain the variable coronavirus-2019 pandemic statistics in Europe? Croat Med J 2021. [PMID: 33410299 PMCID: PMC7821361 DOI: 10.3325/cmj.2020.61.525] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Affiliation(s)
- Nad Starčević Čizmarević
- Nada Starčević Čizmarević, Department of Medical Biology and Genetics, Faculty of Medicine, University of Rijeka, Rijeka, Croatia,
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NMP4 regulates the innate immune response to influenza A virus infection. Mucosal Immunol 2021; 14:209-218. [PMID: 32152414 PMCID: PMC7483155 DOI: 10.1038/s41385-020-0280-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 02/05/2020] [Accepted: 02/25/2020] [Indexed: 02/04/2023]
Abstract
Severe influenza A virus infection typically triggers excessive and detrimental lung inflammation with massive cell infiltration and hyper-production of cytokines and chemokines. We identified a novel function for nuclear matrix protein 4 (NMP4), a zinc-finger-containing transcription factor playing roles in bone formation and spermatogenesis, in regulating antiviral immune response and immunopathology. Nmp4-deficient mice are protected from H1N1 influenza infection, losing only 5% body weight compared to a 20% weight loss in wild type mice. While having no effects on viral clearance or CD8/CD4 T cell or humoral responses, deficiency of Nmp4 in either lung structural cells or hematopoietic cells significantly reduces the recruitment of monocytes and neutrophils to the lungs. Consistent with fewer innate cells in the airways, influenza-infected Nmp4-deficient mice have significantly decreased expression of chemokine genes Ccl2, Ccl7 and Cxcl1 as well as pro-inflammatory cytokine genes Il1b and Il6. Furthermore, NMP4 binds to the promoters and/or conserved non-coding sequences of the chemokine genes and regulates their expression in mouse lung epithelial cells and macrophages. Our data suggest that NMP4 functions to promote monocyte- and neutrophil-attracting chemokine expression upon influenza A infection, resulting in exaggerated innate inflammation and lung tissue damage.
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34
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Lin F, Wang L, Duan Y, Li K, Zhou J, Guang Z, Wang Y, Yang M, Qin Q, Wang Q. Expression and subcellular analyses of CCR8a/b genes with the identification of response to SGIV viral infect in orange-spotted grouper (Epinephelus coioides). FISH & SHELLFISH IMMUNOLOGY 2020; 106:628-639. [PMID: 32853761 DOI: 10.1016/j.fsi.2020.08.030] [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: 03/03/2020] [Revised: 08/02/2020] [Accepted: 08/19/2020] [Indexed: 06/11/2023]
Abstract
Chemokine receptors are a superfamily of seven transmembrane domain G-coupled receptors, and they play important roles in immune surveillance, inflammation, and development. Recently, nine CC chemokine receptors (CCRs) were identified and cloned from orange-spotted grouper (Epinephelus coioides) and annotated by phylogenetic and syntenic analyses. We detected mRNA transcripts for CCRs in healthy tissues of E. coioides, and CCR genes were highly expressed in the immune-relevant tissues. Analysis of gene expression after Singapore grouper iridovirus (SGIV) infection indicated that CCR genes are regulated in a gene-specific manner. CCR8a and CCR8b were significantly upregulated in the spleen and liver of resistant fish, indicating potential roles in immunity against the pathogen. Fluorescence microscopy revealed that CCR8a and CCR8b were expressed predominantly in the cytoplasm. Overexpression of CCR8a and CCR8b in grouper cells significantly inhibited the replication of SGIV, demonstrating that they delayed the occurrence of cytopathic effects induced by SGIV infection and inhibited viral gene transcription. CCR8a and CCR8b overexpression also significantly increased the expression of interferon (IFN)-related cytokines and activated IFN response element and IFN promoter activities. These results demonstrated that CCR8a and CCR8b might have an antiviral function against SGIV infect.
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Affiliation(s)
- Fangmei Lin
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Li Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Yanchuang Duan
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Keqi Li
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Jingxin Zhou
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Zhi Guang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Yuxin Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Min Yang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, People's Republic of China; Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, People's Republic of China.
| | - Qiwei Qin
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, People's Republic of China; Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, People's Republic of China.
| | - Qing Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou, 510642, People's Republic of China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, People's Republic of China; Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, People's Republic of China.
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35
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Cui TX, Brady AE, Fulton CT, Zhang YJ, Rosenbloom LM, Goldsmith AM, Moore BB, Popova AP. CCR2 Mediates Chronic LPS-Induced Pulmonary Inflammation and Hypoalveolarization in a Murine Model of Bronchopulmonary Dysplasia. Front Immunol 2020; 11:579628. [PMID: 33117383 PMCID: PMC7573800 DOI: 10.3389/fimmu.2020.579628] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/16/2020] [Indexed: 11/28/2022] Open
Abstract
The histopathology of bronchopulmonary dysplasia (BPD) includes hypoalveolarization and interstitial thickening due to abnormal myofibroblast accumulation. Chorioamnionitis and sepsis are major risk factors for BPD development. The cellular mechanisms leading to these lung structural abnormalities are poorly understood. We used an animal model with repeated lipopolysaccharide (LPS) administration into the airways of immature mice to simulate prolonged airway exposure to gram-negative bacteria, focusing on the role of C-C chemokine receptor type 2-positive (CCR2+) exudative macrophages (ExMf). Repetitive LPS exposure of immature mice induced persistent hypoalveolarization observed at 4 and 18 days after the last LPS administration. LPS upregulated the expression of lung pro-inflammatory cytokines (TNF-α, IL-17a, IL-6, IL-1β) and chemokines (CCL2, CCL7, CXCL1, and CXCL2), while the expression of genes involved in lung alveolar and mesenchymal cell development (PDGFR-α, FGF7, FGF10, and SPRY1) was decreased. LPS induced recruitment of ExMf, including CCR2+ ExMf, as well as other myeloid cells like DCs and neutrophils. Lungs of LPS-exposed CCR2−/− mice showed preserved alveolar structure and normal patterns of α-actin and PDGFRα expression at the tips of the secondary alveolar crests. Compared to wild type mice, a significantly lower number of ExMf, including TNF-α+ ExMf were recruited to the lungs of CCR2−/− mice following repetitive LPS exposure. Further, pharmacological inhibition of TLR4 with TAK-242 also blocked the effect of LPS on alveolarization, α-SMA and PDGFRα expression. TNF-α and IL-17a induced α-smooth muscle actin expression in the distal airspaces of E16 fetal mouse lung explants. In human preterm lung mesenchymal stromal cells, TNF-α reduced mRNA and protein expression of PDGFR-α and decreased mRNA expression of WNT2, FOXF2, and SPRY1. Collectively, our findings demonstrate that in immature mice repetitive LPS exposure, through TLR4 signaling increases lung inflammation and impairs lung alveolar growth in a CCR2-dependent manner.
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Affiliation(s)
- Tracy X Cui
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Alexander E Brady
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Christina T Fulton
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Ying-Jian Zhang
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Liza M Rosenbloom
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Adam M Goldsmith
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
| | - Bethany B Moore
- Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, United States.,Department of Microbiology and Immunology, University of Michigan, Ann Arbor, MI, United States
| | - Antonia P Popova
- Division of Pediatric Pulmonology, Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States
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36
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Kulikauskaite J, Wack A. Teaching Old Dogs New Tricks? The Plasticity of Lung Alveolar Macrophage Subsets. Trends Immunol 2020; 41:864-877. [PMID: 32896485 PMCID: PMC7472979 DOI: 10.1016/j.it.2020.08.008] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/07/2020] [Accepted: 08/07/2020] [Indexed: 12/24/2022]
Abstract
Alveolar macrophages (AMs) are highly abundant lung cells with important roles in homeostasis and immunity. Their function influences the outcome of lung infections, lung cancer, and chronic inflammatory disease. Recent findings reveal functional heterogeneity of AMs. Following lung insult, resident AMs can either remain unchanged, acquire new functionality, or be replaced by monocyte-derived AMs. Evidence from mouse models correlates AM function with their embryonic or monocyte origin. We hypothesize that resident AMs are terminally differentiated cells with low responsiveness and limited plasticity, while recruited, monocyte-derived AMs are initially highly immunoreactive but more plastic, able to change their function in response to environmental cues. Understanding cell-intrinsic and -extrinsic mechanisms determining AM function may provide opportunities for intervention in lung disease.
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Affiliation(s)
| | - Andreas Wack
- Immunoregulation Laboratory, Francis Crick Institute, London, UK.
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37
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Identification of potential mRNA panels for severe acute respiratory syndrome coronavirus 2 (COVID-19) diagnosis and treatment using microarray dataset and bioinformatics methods. 3 Biotech 2020; 10:422. [PMID: 33251083 PMCID: PMC7679428 DOI: 10.1007/s13205-020-02406-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 08/20/2020] [Indexed: 12/15/2022] Open
Abstract
The goal of the present investigation is to identify the differentially expressed genes (DEGs) between SARS-CoV-2 infected and normal control samples to investigate the molecular mechanisms of infection with SARS-CoV-2. The microarray data of the dataset E-MTAB-8871 were retrieved from the ArrayExpress database. Pathway and Gene Ontology (GO) enrichment study, protein–protein interaction (PPI) network, modules, target gene–miRNA regulatory network, and target gene–TF regulatory network have been performed. Subsequently, the key genes were validated using an analysis of the receiver operating characteristic (ROC) curve. In SARS-CoV-2 infection, a total of 324 DEGs (76 up- and 248 down-regulated genes) were identified and enriched in a number of associated SARS-CoV-2 infection pathways and GO terms. Hub and target genes such as TP53, HRAS, MAPK11, RELA, IKZF3, IFNAR2, SKI, TNFRSF13C, JAK1, TRAF6, KLRF2, CD1A were identified from PPI network, target gene–miRNA regulatory network, and target gene–TF regulatory network. Study of the ROC showed that ten genes (CCL5, IFNAR2, JAK2, MX1, STAT1, BID, CD55, CD80, HAL-B, and HLA-DMA) were substantially involved in SARS-CoV-2 patients. The present investigation identified key genes and pathways that deepen our understanding of the molecular mechanisms of SARS-CoV-2 infection, and could be used for SARS-CoV-2 infection as diagnostic and therapeutic biomarkers.
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38
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Klomp M, Ghosh S, Mohammed S, Nadeem Khan M. From virus to inflammation, how influenza promotes lung damage. J Leukoc Biol 2020; 110:115-122. [PMID: 32895987 DOI: 10.1002/jlb.4ru0820-232r] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/03/2020] [Accepted: 08/22/2020] [Indexed: 12/13/2022] Open
Abstract
Despite seasonal vaccines, influenza-related hospitalization and death rates have remained unchanged over the past 5 years. Influenza pathogenesis has 2 crucial clinical components; first, influenza causes acute lung injury that may require hospitalization. Second, acute injury promotes secondary bacterial pneumonia, a leading cause of hospitalization and disease burden in the United States and globally. Therefore, developing an effective therapeutic regimen against influenza requires a comprehensive understanding of the damage-associated immune-mechanisms to identify therapeutic targets for interventions to mitigate inflammation/tissue-damage, improve antiviral immunity, and prevent influenza-associated secondary bacterial diseases. In this review, the pathogenic immune mechanisms implicated in acute lung injury and the possibility of using lung inflammation and barrier crosstalk for developing therapeutics against influenza are highlighted.
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Affiliation(s)
- Mitchell Klomp
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
| | - Sumit Ghosh
- Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Sohail Mohammed
- Department of Biomedical Sciences, University of North Dakota, USA
| | - M Nadeem Khan
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, USA
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39
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Brazee PL, Sznajder JI. Targeting the Linear Ubiquitin Assembly Complex to Modulate the Host Response and Improve Influenza A Virus Induced Lung Injury. Arch Bronconeumol 2020; 56:586-591. [PMID: 33994643 PMCID: PMC7489339 DOI: 10.1016/j.arbr.2020.04.008] [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: 03/05/2020] [Accepted: 04/15/2020] [Indexed: 12/01/2022]
Abstract
Influenza virus infection is characterized by symptoms ranging from mild congestion and body aches to severe pulmonary edema and respiratory failure. While the majority of those exposed have minor symptoms and recover with little morbidity, an estimated 500,000 people succumb to IAV-related complications each year worldwide. In these severe cases, an exaggerated inflammatory response, known as "cytokine storm", occurs which results in damage to the respiratory epithelial barrier and development of acute respiratory distress syndrome (ARDS). Data from retrospective human studies as well as experimental animal models of influenza virus infection highlight the fine line between an excessive and an inadequate immune response, where the host response must balance viral clearance with exuberant inflammation. Current pharmacological modulators of inflammation, including corticosteroids and statins, have not been successful in improving outcomes during influenza virus infection. We have reported that the amplitude of the inflammatory response is regulated by Linear Ubiquitin Assembly Complex (LUBAC) activity and that dampening of LUBAC activity is protective during severe influenza virus infection. Therapeutic modulation of LUBAC activity may be crucial to improve outcomes during severe influenza virus infection, as it functions as a molecular rheostat of the host response. Here we review the evidence for modulating inflammation to ameliorate influenza virus infection-induced lung injury, data on current anti-inflammatory strategies, and potential new avenues to target viral inflammation and improve outcomes.
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Affiliation(s)
- Patricia L Brazee
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Northwestern University, United States
| | - Jacob I Sznajder
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Northwestern University, United States
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40
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Panda AK, Padhi A, Prusty BAK. CCR5 Δ32 minorallele is associated with susceptibility to SARS-CoV-2 infection and death: An epidemiological investigation. Clin Chim Acta 2020; 510:60-61. [PMID: 32653483 PMCID: PMC7347491 DOI: 10.1016/j.cca.2020.07.012] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 11/26/2022]
Affiliation(s)
- Aditya K Panda
- Department of Bioscience and Bioinformatics, Khallikote University, GMax Building, Konisi, Berhampur 761008, Odisha, India.
| | - Archana Padhi
- Department of Biology, K.C. Public School, Berhampur 760004, Odisha, India
| | - B Anjan Kumar Prusty
- Department of Natural Resource Management and Geoinformatics, Khallikote University, GMax Building, Konisi, Berhampur 761008, Odisha, India
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Diet-Induced Obesity Mice Execute Pulmonary Cell Apoptosis via Death Receptor and ER-Stress Pathways after E. coli Infection. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:6829271. [PMID: 32685099 PMCID: PMC7338970 DOI: 10.1155/2020/6829271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 04/15/2020] [Accepted: 05/30/2020] [Indexed: 12/11/2022]
Abstract
Obesity has developed into a considerable health problem in the whole world. Escherichia coli (E. coli) can cause nosocomial pneumonia and induce cell apoptosis during injury and infection. Normal (lean) and diet-induced obesity mice (DIO, fed with high-fat diet) were chosen to perform nasal instillation with E. coli to establish a nonfatal acute pneumonia model. At 0 h, 12 h, 24 h, and 72 h postinfection, lung tissues were obtained to measure cell apoptosis. As shown in this study, both lean and DIO mice exhibited histopathological lesions of acute pneumonia and increased cell apoptosis in the lung infected with E. coli. Interestingly, the relative mRNA and protein expressions associated with either endoplasmic reticulum stress or death receptor apoptotic pathway were all dramatically increased in the DIO mice after infection, while only significant upregulation of death receptor apoptotic pathway in the lean mice at 72 h. These results indicated that the DIO mice executed excess cell apoptosis in the nonfatal acute pneumonia induced by E. coli infection through endoplasmic reticulum stress and death receptor apoptotic pathway.
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42
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Martín-Leal A, Blanco R, Casas J, Sáez ME, Rodríguez-Bovolenta E, de Rojas I, Drechsler C, Real LM, Fabrias G, Ruíz A, Castro M, Schamel WW, Alarcón B, van Santen HM, Mañes S. CCR5 deficiency impairs CD4 + T-cell memory responses and antigenic sensitivity through increased ceramide synthesis. EMBO J 2020; 39:e104749. [PMID: 32525588 PMCID: PMC7396835 DOI: 10.15252/embj.2020104749] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 05/12/2020] [Accepted: 05/14/2020] [Indexed: 12/24/2022] Open
Abstract
CCR5 is not only a coreceptor for HIV‐1 infection in CD4+ T cells, but also contributes to their functional fitness. Here, we show that by limiting transcription of specific ceramide synthases, CCR5 signaling reduces ceramide levels and thereby increases T‐cell antigen receptor (TCR) nanoclustering in antigen‐experienced mouse and human CD4+ T cells. This activity is CCR5‐specific and independent of CCR5 co‐stimulatory activity. CCR5‐deficient mice showed reduced production of high‐affinity class‐switched antibodies, but only after antigen rechallenge, which implies an impaired memory CD4+ T‐cell response. This study identifies a CCR5 function in the generation of CD4+ T‐cell memory responses and establishes an antigen‐independent mechanism that regulates TCR nanoclustering by altering specific lipid species.
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Affiliation(s)
- Ana Martín-Leal
- Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB/CSIC), Madrid, Spain
| | - Raquel Blanco
- Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB/CSIC), Madrid, Spain
| | - Josefina Casas
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain.,CIBER Liver and Digestive Diseases (CIBER-EDH), Instituto de Salud Carlos III, Madrid, Spain
| | - María E Sáez
- Centro Andaluz de Estudios Bioinformáticos (CAEBi), Seville, Spain
| | - Elena Rodríguez-Bovolenta
- Department of Cell Biology and Immunology, Centro de Biología Molecular Severo Ochoa (CBMSO/CSIC), Madrid, Spain
| | - Itziar de Rojas
- Alzheimer Research Center, Memory Clinic of the Fundació ACE, Institut Català de Neurociències Aplicades, Barcelona, Spain
| | - Carina Drechsler
- Signaling Research Centers BIOSS and CIBSS, University of Freiburg, Freiburg, Germany.,Department of Immunology, Faculty of Biology, University of Freiburg, Freiburg, Germany.,Institute for Pharmaceutical Sciences, University of Freiburg, Freiburg, Germany
| | - Luis Miguel Real
- Unit of Infectious Diseases and Microbiology, Hospital Universitario de Valme, Seville, Spain.,Department of Biochemistry, Molecular Biology and Immunology, School of Medicine, Universidad de Málaga, Málaga, Spain
| | - Gemma Fabrias
- Department of Biological Chemistry, Institute of Advanced Chemistry of Catalonia (IQAC-CSIC), Barcelona, Spain.,CIBER Liver and Digestive Diseases (CIBER-EDH), Instituto de Salud Carlos III, Madrid, Spain
| | - Agustín Ruíz
- Alzheimer Research Center, Memory Clinic of the Fundació ACE, Institut Català de Neurociències Aplicades, Barcelona, Spain.,CIBER Enfermedades Neurodegenerativas (CIBERNED), Instituto de Salud Carlos III, Madrid, Spain
| | - Mario Castro
- Interdisciplinary Group of Complex Systems, Escuela Técnica Superior de Ingeniería, Universidad Pontificia Comillas, Madrid, Spain
| | - Wolfgang Wa Schamel
- Signaling Research Centers BIOSS and CIBSS, University of Freiburg, Freiburg, Germany.,Department of Immunology, Faculty of Biology, University of Freiburg, Freiburg, Germany.,Centre for Chronic Immunodeficiency (CCI), University of Freiburg, Freiburg, Germany
| | - Balbino Alarcón
- Department of Cell Biology and Immunology, Centro de Biología Molecular Severo Ochoa (CBMSO/CSIC), Madrid, Spain
| | - Hisse M van Santen
- Department of Cell Biology and Immunology, Centro de Biología Molecular Severo Ochoa (CBMSO/CSIC), Madrid, Spain
| | - Santos Mañes
- Department of Immunology and Oncology, Centro Nacional de Biotecnología (CNB/CSIC), Madrid, Spain
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Ellwanger JH, Kulmann-Leal B, Kaminski VDL, Rodrigues AG, Bragatte MADS, Chies JAB. Beyond HIV infection: Neglected and varied impacts of CCR5 and CCR5Δ32 on viral diseases. Virus Res 2020; 286:198040. [PMID: 32479976 PMCID: PMC7260533 DOI: 10.1016/j.virusres.2020.198040] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 12/18/2022]
Abstract
CCR5 regulates multiple cell types (e.g., T regulatory and Natural Killer cells) and immune responses. The effects of CCR5, CCR5Δ32 (variant associated with reduced CCR5 expression) and CCR5 antagonists vary between infections. CCR5 affects the pathogenesis of flaviviruses, especially in the brain. The genetic variant CCR5Δ32 increases the risk of symptomatic West Nile virus infection. The triad “CCR5, extracellular vesicles and infections” is an emerging topic.
The interactions between chemokine receptors and their ligands may affect susceptibility to infectious diseases as well as their clinical manifestations. These interactions mediate both the traffic of inflammatory cells and virus-associated immune responses. In the context of viral infections, the human C-C chemokine receptor type 5 (CCR5) receives great attention from the scientific community due to its role as an HIV-1 co-receptor. The genetic variant CCR5Δ32 (32 base-pair deletion in CCR5 gene) impairs CCR5 expression on the cell surface and is associated with protection against HIV infection in homozygous individuals. Also, the genetic variant CCR5Δ32 modifies the CCR5-mediated inflammatory responses in various conditions, such as inflammatory and infectious diseases. CCR5 antagonists mimic, at least in part, the natural effects of the CCR5Δ32 in humans, which explains the growing interest in the potential benefits of using CCR5 modulators for the treatment of different diseases. Nevertheless, beyond HIV infection, understanding the effects of the CCR5Δ32 variant in multiple viral infections is essential to shed light on the potential effects of the CCR5 modulators from a broader perspective. In this context, this review discusses the involvement of CCR5 and the effects of the CCR5Δ32 in human infections caused by the following pathogens: West Nile virus, Influenza virus, Human papillomavirus, Hepatitis B virus, Hepatitis C virus, Poliovirus, Dengue virus, Human cytomegalovirus, Crimean-Congo hemorrhagic fever virus, Enterovirus, Japanese encephalitis virus, and Hantavirus. Subsequently, this review addresses the impacts of CCR5 gene editing and CCR5 modulation on health and viral diseases. Also, this article connects recent findings regarding extracellular vesicles (e.g., exosomes), viruses, and CCR5. Neglected and emerging topics in “CCR5 research” are briefly described, with focus on Rocio virus, Zika virus, Epstein-Barr virus, and Rhinovirus. Finally, the potential influence of CCR5 on the immune responses to coronaviruses is discussed.
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Affiliation(s)
- Joel Henrique Ellwanger
- Laboratório de Imunobiologia e Imunogenética, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil; Programa de Pós-Graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Bruna Kulmann-Leal
- Laboratório de Imunobiologia e Imunogenética, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil; Programa de Pós-Graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Valéria de Lima Kaminski
- Laboratório de Imunobiologia e Imunogenética, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil; Programa de Pós-Graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil; Programa de Pós-Graduação em Biotecnologia, Laboratório de Imunologia Aplicada, Instituto de Ciência e Tecnologia - ICT, Universidade Federal de São Paulo - UNIFESP, São José dos Campos, São Paulo, Brazil
| | - Andressa Gonçalves Rodrigues
- Laboratório de Imunobiologia e Imunogenética, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Marcelo Alves de Souza Bragatte
- Programa de Pós-Graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil; Núcleo de Bioinformática do Laboratório de Imunobiologia e Imunogenética, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - José Artur Bogo Chies
- Laboratório de Imunobiologia e Imunogenética, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil; Programa de Pós-Graduação em Genética e Biologia Molecular, Departamento de Genética, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil.
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44
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Brazee PL, Sznajder JI. Targeting the Linear Ubiquitin Assembly Complex to Modulate the Host Response and Improve Influenza A Virus Induced Lung Injury. Arch Bronconeumol 2020; 56:586-591. [PMID: 32405132 PMCID: PMC7218391 DOI: 10.1016/j.arbres.2020.04.019] [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: 03/05/2020] [Accepted: 04/15/2020] [Indexed: 11/17/2022]
Abstract
Influenza virus infection is characterized by symptoms ranging from mild congestion and body aches to severe pulmonary edema and respiratory failure. While the majority of those exposed have minor symptoms and recover with little morbidity, an estimated 500,000 people succumb to IAV-related complications each year worldwide. In these severe cases, an exaggerated inflammatory response, known as "cytokine storm", occurs which results in damage to the respiratory epithelial barrier and development of acute respiratory distress syndrome (ARDS). Data from retrospective human studies as well as experimental animal models of influenza virus infection highlight the fine line between an excessive and an inadequate immune response, where the host response must balance viral clearance with exuberant inflammation. Current pharmacological modulators of inflammation, including corticosteroids and statins, have not been successful in improving outcomes during influenza virus infection. We have reported that the amplitude of the inflammatory response is regulated by Linear Ubiquitin Assembly Complex (LUBAC) activity and that dampening of LUBAC activity is protective during severe influenza virus infection. Therapeutic modulation of LUBAC activity may be crucial to improve outcomes during severe influenza virus infection, as it functions as a molecular rheostat of the host response. Here we review the evidence for modulating inflammation to ameliorate influenza virus infection-induced lung injury, data on current anti-inflammatory strategies, and potential new avenues to target viral inflammation and improve outcomes.
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Affiliation(s)
- Patricia L Brazee
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Northwestern University, United States
| | - Jacob I Sznajder
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Northwestern University, United States.
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45
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Erlich JR, To EE, Liong S, Brooks R, Vlahos R, O'Leary JJ, Brooks DA, Selemidis S. Targeting Evolutionary Conserved Oxidative Stress and Immunometabolic Pathways for the Treatment of Respiratory Infectious Diseases. Antioxid Redox Signal 2020; 32:993-1013. [PMID: 32008371 PMCID: PMC7426980 DOI: 10.1089/ars.2020.8028] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Significance: Up until recently, metabolism has scarcely been referenced in terms of immunology. However, emerging evidence has shown that immune cells undergo an adaptation of metabolic processes, known as the metabolic switch. This switch is key to the activation, and sustained inflammatory phenotype in immune cells, which includes the production of cytokines and reactive oxygen species (ROS) that underpin infectious diseases, respiratory and cardiovascular disease, neurodegenerative disease, as well as cancer. Recent Advances: There is a burgeoning body of evidence that immunometabolism and redox biology drive infectious diseases. For example, influenza A virus (IAV) utilizes endogenous ROS production via NADPH oxidase (NOX)2-containing NOXs and mitochondria to circumvent antiviral responses. These evolutionary conserved processes are promoted by glycolysis, the pentose phosphate pathway, and the tricarboxylic acid (TCA) cycle that drive inflammation. Such metabolic products involve succinate, which stimulates inflammation through ROS-dependent stabilization of hypoxia-inducible factor-1α, promoting interleukin-1β production by the inflammasome. In addition, itaconate has recently gained significant attention for its role as an anti-inflammatory and antioxidant metabolite of the TCA cycle. Critical Issues: The molecular mechanisms by which immunometabolism and ROS promote viral and bacterial pathology are largely unknown. This review will provide an overview of the current paradigms with an emphasis on the roles of immunometabolism and ROS in the context of IAV infection and secondary complications due to bacterial infection such as Streptococcus pneumoniae. Future Directions: Molecular targets based on metabolic cell processes and ROS generation may provide novel and effective therapeutic strategies for IAV and associated bacterial superinfections.
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Affiliation(s)
- Jonathan R. Erlich
- Program in Chronic Infectious and Inflammatory Diseases, Oxidant and Inflammation Biology Group, School of Health and Biomedical Sciences, College of Science, Engineering & Health, RMIT University, Bundoora, Australia
| | - Eunice E. To
- Program in Chronic Infectious and Inflammatory Diseases, Oxidant and Inflammation Biology Group, School of Health and Biomedical Sciences, College of Science, Engineering & Health, RMIT University, Bundoora, Australia
| | - Stella Liong
- Program in Chronic Infectious and Inflammatory Diseases, Oxidant and Inflammation Biology Group, School of Health and Biomedical Sciences, College of Science, Engineering & Health, RMIT University, Bundoora, Australia
| | - Robert Brooks
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, Australia
| | - Ross Vlahos
- Program in Chronic Infectious and Inflammatory Diseases, Oxidant and Inflammation Biology Group, School of Health and Biomedical Sciences, College of Science, Engineering & Health, RMIT University, Bundoora, Australia
| | - John J. O'Leary
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, Australia
- Department of Histopathology, Trinity College Dublin, Dublin, Ireland
- Sir Patrick Dun's Laboratory, Central Pathology Laboratory, St James's Hospital, Dublin, Ireland
| | - Doug A. Brooks
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, Australia
- Molecular Pathology Laboratory, Coombe Women and Infants' University Hospital, Dublin, Ireland
| | - Stavros Selemidis
- Program in Chronic Infectious and Inflammatory Diseases, Oxidant and Inflammation Biology Group, School of Health and Biomedical Sciences, College of Science, Engineering & Health, RMIT University, Bundoora, Australia
- Address correspondence to: Prof. Stavros Selemidis, Program in Chronic Infectious and Inflammatory Diseases, Oxidant and Inflammation Biology Group, School of Health and Biomedical Sciences, College of Science, Engineering & Health, RMIT University, Bundoora, VIC 3083, Australia
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46
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Sala E, Kuka M. The Suppressive Attitude of Inflammatory Monocytes in Antiviral Antibody Responses. Viral Immunol 2020; 33:327-333. [PMID: 32027238 PMCID: PMC7247028 DOI: 10.1089/vim.2019.0132] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Inflammatory monocytes play important functions in antiviral immune responses, including release of inflammatory cytokines and antigen presentation to T lymphocytes. Depending on the pathological context, these functions might translate into beneficial or detrimental effects in the resolution of the disease. Recent literature has highlighted a role for inflammatory monocytes also in direct suppression of B cell responses. In this review, we will briefly discuss research showing the relationship between inflammatory monocytes and B lymphocytes, its functional consequences on antiviral antibody responses, and possible implications in the design of future vaccination strategies.
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Affiliation(s)
- Eleonora Sala
- Division of Immunology, Transplantation, and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
| | - Mirela Kuka
- Division of Immunology, Transplantation, and Infectious Diseases, IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milan, Italy
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47
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Rothschild J. Ethical considerations of gene editing and genetic selection. J Gen Fam Med 2020; 21:37-47. [PMID: 32489755 PMCID: PMC7260159 DOI: 10.1002/jgf2.321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 12/26/2022] Open
Abstract
For thousands of years, humans have felt the need to understand the world around them-and ultimately manipulate it to best serve their needs. There are always ethical questions to address, especially when the manipulation involves the human genome. There is currently an urgent need to actively pursue those conversations as commercial gene sequencing and editing technologies have become more accessible and affordable. This paper explores the ethical considerations of gene editing (specifically germline) and genetic selection-including the hurdles researchers will face in trying to develop new technologies into viable therapeutic options.
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48
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Laghlali G, Lawlor KE, Tate MD. Die Another Way: Interplay between Influenza A Virus, Inflammation and Cell Death. Viruses 2020; 12:v12040401. [PMID: 32260457 PMCID: PMC7232208 DOI: 10.3390/v12040401] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Revised: 04/01/2020] [Accepted: 04/01/2020] [Indexed: 02/08/2023] Open
Abstract
Influenza A virus (IAV) is a major concern to human health due to the ongoing global threat of a pandemic. Inflammatory and cell death signalling pathways play important roles in host defence against IAV infection. However, severe IAV infections in humans are characterised by excessive inflammation and tissue damage, often leading to fatal disease. While the molecular mechanisms involved in the induction of inflammation during IAV infection have been well studied, the pathways involved in IAV-induced cell death and their impact on immunopathology have not been fully elucidated. There is increasing evidence of significant crosstalk between cell death and inflammatory pathways and a greater understanding of their role in host defence and disease may facilitate the design of new treatments for IAV infection.
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Affiliation(s)
- Gabriel Laghlali
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (G.L.); (K.E.L.)
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC 3168, Australia
- Master de Biologie, École Normale Supérieure de Lyon, Université Claude Bernard Lyon I, Université de Lyon, 69007 Lyon, France
| | - Kate E. Lawlor
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (G.L.); (K.E.L.)
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC 3168, Australia
| | - Michelle D. Tate
- Centre for Innate Immunity and Infectious Diseases, Hudson Institute of Medical Research, Clayton, VIC 3168, Australia; (G.L.); (K.E.L.)
- Department of Molecular and Translational Sciences, Monash University, Clayton, VIC 3168, Australia
- Correspondence: ; Tel.: +61-85722742
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49
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Tavares LP, Garcia CC, Gonçalves APF, Kraemer LR, Melo EM, Oliveira FMS, Freitas CS, Lopes GAO, Reis DC, Cassali GD, Machado AM, Mantovani A, Locati M, Teixeira MM, Russo RC. ACKR2 contributes to pulmonary dysfunction by shaping CCL5:CCR5-dependent recruitment of lymphocytes during influenza A infection in mice. Am J Physiol Lung Cell Mol Physiol 2020; 318:L655-L670. [DOI: 10.1152/ajplung.00134.2019] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Inflammation triggered by influenza A virus (IAV) infection is important for viral clearance, induction of adaptive responses, and return to lung homeostasis. However, an exaggerated immune response, characterized by the overproduction of chemokines, can lead to intense lung injury, contributing to mortality. Chemokine scavenger receptors, such as ACKR2, control the levels of CC chemokines influencing the immune responses. Among the chemokine targets of ACKR2, CCL5 is important to recruit and activate lymphocytes. We investigated the role of ACKR2 during IAV infection in mice. Pulmonary ACKR2 expression was increased acutely after IAV infection preceding the virus-induced lung dysfunction. ACKR2-knockout (ACKR2−/−) mice were protected from IAV, presenting decreased viral burden and lung dysfunction. Mechanistically, the absence of ACKR2 resulted in augmented airway CCL5 levels, secreted by mononuclear and plasma cells in the lung parenchyma. The higher chemokine gradient led to an augmented recruitment of T and B lymphocytes, formation of inducible bronchus-associated lymphoid tissue and production of IgA in the airways of ACKR2−/− mice post-IAV. CCL5 neutralization in ACKR2−/− mice prevented lymphocyte recruitment and increased bronchoalveolar lavage fluid protein levels and pulmonary dysfunction. Finally, CCR5−/− mice presented increased disease severity during IAV infection, displaying increased neutrophils, pulmonary injury and dysfunction, and accentuated lethality. Collectively, our data showed that ACKR2 dampens CCL5 levels and the consequent recruitment of CCR5+ T helper 1 (Th1), T regulatory cells (Tregs), and B lymphocytes during IAV infection, decreasing pathogen control and promoting lung dysfunction in wild type mice. Therefore, ACKR2 is detrimental and CCR5 is protective during IAV infection coordinating innate and adaptive immune responses in mice.
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Affiliation(s)
- Luciana P. Tavares
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Laboratório de Imunofarmacologia, Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cristiana C. Garcia
- Laboratório de Vírus Respiratórios e Sarampo, Instituto Oswaldo Cruz, Fiocruz, Rio de Janeiro, Brazil
| | - Ana Paula F. Gonçalves
- Laboratório de Imunofarmacologia, Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Centro de Pesquisas René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Brazil
| | - Lucas R. Kraemer
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Eliza M. Melo
- Laboratório de Imunofarmacologia, Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fabrício M. S. Oliveira
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Patologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Camila S. Freitas
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Gabriel A. O. Lopes
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Diego C. Reis
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Departamento de Patologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Geovanni D. Cassali
- Departamento de Patologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Alberto Mantovani
- Humanitas Clinical and Research Center, Milan, Italy
- Humanitas University, Rozzano, Italy
| | - Massimo Locati
- Humanitas Clinical and Research Center, Milan, Italy
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milan, Italy
| | - Mauro M. Teixeira
- Laboratório de Imunofarmacologia, Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Remo C. Russo
- Laboratório de Imunologia e Mecânica Pulmonar, Departamento de Fisiologia e Biofísica, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
- Laboratório de Imunofarmacologia, Departamento de Bioquímica e Imunologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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50
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Ellwanger JH, Kaminski VDL, Rodrigues AG, Kulmann-Leal B, Chies JAB. CCR5 and CCR5Δ32 in bacterial and parasitic infections: Thinking chemokine receptors outside the HIV box. Int J Immunogenet 2020; 47:261-285. [PMID: 32212259 DOI: 10.1111/iji.12485] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 03/02/2020] [Accepted: 03/06/2020] [Indexed: 12/14/2022]
Abstract
The CCR5 molecule was reported in 1996 as the main HIV-1 co-receptor. In that same year, the CCR5Δ32 genetic variant was described as a strong protective factor against HIV-1 infection. These findings led to extensive research regarding the CCR5, culminating in critical scientific advances, such as the development of CCR5 inhibitors for the treatment of HIV infection. Recently, the research landscape surrounding CCR5 has begun to change. Different research groups have realized that, since CCR5 has such important effects in the chemokine system, it could also affect other different physiological systems. Therefore, the effect of reduced CCR5 expression due to the presence of the CCR5Δ32 variant began to be further studied. Several studies have investigated the role of CCR5 and the impacts of CCR5Δ32 on autoimmune and inflammatory diseases, various types of cancer, and viral diseases. However, the role of CCR5 in diseases caused by bacteria and parasites is still poorly understood. Therefore, the aim of this article is to review the role of CCR5 and the effects of CCR5Δ32 on bacterial (brucellosis, osteomyelitis, pneumonia, tuberculosis and infection by Chlamydia trachomatis) and parasitic infections (toxoplasmosis, leishmaniasis, Chagas disease and schistosomiasis). Basic information about each of these infections was also addressed. The neglected role of CCR5 in fungal disease and emerging studies regarding the action of CCR5 on regulatory T cells are briefly covered in this review. Considering the "renaissance of CCR5 research," this article is useful for updating researchers who develop studies involving CCR5 and CCR5Δ32 in different infectious diseases.
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Affiliation(s)
- Joel Henrique Ellwanger
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Valéria de Lima Kaminski
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Andressa Gonçalves Rodrigues
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - Bruna Kulmann-Leal
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
| | - José Artur Bogo Chies
- Laboratory of Immunobiology and Immunogenetics, Department of Genetics, Universidade Federal do Rio Grande do Sul - UFRGS, Porto Alegre, Brazil
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