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Silva F, Boal-Carvalho I, Williams N, Chabert M, Niu C, Hedhili D, Choltus H, Liaudet N, Gaïa N, Karenovics W, Francois P, Schmolke M. Identification of a short sequence motif in the influenza A virus pathogenicity factor PB1-F2 required for inhibition of human NLRP3. J Virol 2024; 98:e0041124. [PMID: 38567952 PMCID: PMC11092369 DOI: 10.1128/jvi.00411-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 03/14/2024] [Indexed: 05/15/2024] Open
Abstract
Influenza A virus infection activates the NLRP3 inflammasome, a multiprotein signaling complex responsible for the proteolytic activation and release of the proinflammatory cytokine IL-1β from monocytes and macrophages. Some influenza A virus (IAV) strains encode a short 90-amino acid peptide (PB1-F2) on an alternative open reading frame of segment 2, with immunomodulatory activity. We recently demonstrated that contemporary IAV PB1-F2 inhibits the activation of NLRP3, potentially by NEK7-dependent activation. PB1-F2 binds to NLRP3 with its C-terminal 50 amino acids, but the exact binding motif was unknown. On the NLRP3 side, the interface is formed through the leucine-rich-repeat (LRR) domain, potentially in conjunction with the pyrin domain. Here, we took advantage of PB1-F2 sequences from IAV strains with either weak or strong NLRP3 interaction. Sequence comparison and structure prediction using Alphafold2 identified a short four amino acid sequence motif (TQGS) in PB1-F2 that defines NLRP3-LRR binding. Conversion of this motif to that of the non-binding PB1-F2 suffices to lose inhibition of NLRP3 dependent IL-1β release. The TQGS motif further alters the subcellular localization of PB1-F2 and its colocalization with NLRP3 LRR and pyrin domain. Structural predictions suggest the establishment of additional hydrogen bonds between the C-terminus of PB1-F2 and the LRR domain of NLRP3, with two hydrogen bonds connecting to threonine and glutamine of the TQGS motif. Phylogenetic data show that the identified NLRP3 interaction motif in PB1-F2 is widely conserved among recent IAV-infecting humans. Our data explain at a molecular level the specificity of NLRP3 inhibition by influenza A virus. IMPORTANCE Influenza A virus infection is accompanied by a strong inflammatory response and high fever. The human immune system facilitates the swift clearance of the virus with this response. An essential signal protein in the proinflammatory host response is IL-1b. It is released from inflammatory macrophages, and its production and secretion depend on the function of NLRP3. We had previously shown that influenza A virus blocks NLRP3 activation by the expression of a viral inhibitor, PB1-F2. Here, we demonstrate how this short peptide binds to NLRP3 and provide evidence that a four amino acid stretch in PB1-F2 is necessary and sufficient to mediate this binding. Our data identify a new virus-host interface required to block one signaling path of the innate host response against influenza A virus.
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Affiliation(s)
- Filo Silva
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Inês Boal-Carvalho
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Nathalia Williams
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Mehdi Chabert
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Chengyue Niu
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Dalila Hedhili
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Hélèna Choltus
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Nicolas Liaudet
- Bioimaging Core Facility, Medical Faculty, University of Geneva, Geneva, Switzerland
| | - Nadia Gaïa
- Genomic Research Laboratory, Division of Infectious Diseases, Department of Medicine, University Hospitals and University of Geneva, Geneva, Switzerland
| | | | - Patrice Francois
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
- Thoracic Surgery, Geneva University Hospitals, Geneva, Switzerland
| | - Mirco Schmolke
- Department of Microbiology and Molecular Medicine, Medical Faculty, University of Geneva, Geneva, Switzerland
- Geneva Center for inflammation research, Medical Faculty, University of Geneva, Geneva, Switzerland
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2
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Saglam-Metiner P, Yildiz-Ozturk E, Tetik-Vardarli A, Cicek C, Goksel O, Goksel T, Tezcanli B, Yesil-Celiktas O. Organotypic lung tissue culture as a preclinical model to study host- influenza A viral infection: A case for repurposing of nafamostat mesylate. Tissue Cell 2024; 87:102319. [PMID: 38359705 DOI: 10.1016/j.tice.2024.102319] [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: 09/18/2023] [Revised: 01/11/2024] [Accepted: 01/29/2024] [Indexed: 02/17/2024]
Abstract
Reliable and effective models for recapitulation of host-pathogen interactions are imperative for the discovery of potential therapeutics. Ex vivo models can fulfill these requirements as the multicellular native environment in the tissue is preserved and be utilized for toxicology, vaccine, infection and drug efficacy studies due to the presence of immune cells. Drug repurposing involves the identification of new applications for already approved drugs that are not related to the prime medical indication and emerged as a strategy to cope with slow pace of drug discovery due to high costs and necessary phases to reach the patients. Within the scope of the study, broad-spectrum serine protease inhibitor nafamostat mesylate was repurposed to inhibit influenza A infection and evaluated by a translational ex vivo organotypic model, in which human organ-level responses can be achieved in preclinical safety studies of potential antiviral agents, along with in in vitro lung airway culture. The safe doses were determined as 10 µM for in vitro, whereas 22 µM for ex vivo to be applied for evaluation of host-pathogen interactions, which reduced virus infectivity, increased cell/tissue viability, and protected total protein content by reducing cell death with the inflammatory response. When the gene expression levels of specific pro-inflammatory, anti-inflammatory and cell surface markers involved in antiviral responses were examined, the significant inflammatory response represented by highly elevated mRNA gene expression levels of cytokines and chemokines combined with CDH5 downregulated by 5.1-fold supported the antiviral efficacy of NM and usability of ex vivo model as a preclinical infection model.
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Affiliation(s)
- Pelin Saglam-Metiner
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100 Izmir, Turkey; Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir 35100, Turkey
| | - Ece Yildiz-Ozturk
- Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir 35100, Turkey; Department of Food Processing, Food Technology Programme, Yasar University, 35100 Izmir, Turkey
| | - Aslı Tetik-Vardarli
- Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir 35100, Turkey; Department of Medical Biology, Faculty of Medicine, Ege University, Izmir 35100, Turkey
| | - Candan Cicek
- Department of Medical Microbiology, Faculty of Medicine, Ege University, Izmir 35100, Turkey
| | - Ozlem Goksel
- Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir 35100, Turkey; Department of Pulmonary Medicine, Division of Allergy and Immunology, Faculty of Medicine, Ege University, Izmir 35100, Turkey
| | - Tuncay Goksel
- Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir 35100, Turkey; Department of Pulmonary Medicine, Division of Allergy and Immunology, Faculty of Medicine, Ege University, Izmir 35100, Turkey
| | | | - Ozlem Yesil-Celiktas
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100 Izmir, Turkey; Translational Pulmonary Research Center (EgeSAM), Ege University, Izmir 35100, Turkey.
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3
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Chang D, Dela Cruz C, Sharma L. Beneficial and Detrimental Effects of Cytokines during Influenza and COVID-19. Viruses 2024; 16:308. [PMID: 38400083 PMCID: PMC10892676 DOI: 10.3390/v16020308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
Cytokines are signaling molecules that play a role in myriad processes, including those occurring during diseases and homeostasis. Their homeostatic function begins during embryogenesis and persists throughout life, including appropriate signaling for the cell and organism death. During viral infections, antiviral cytokines such as interferons and inflammatory cytokines are upregulated. Despite the well-known benefits of these cytokines, their levels often correlate with disease severity, linking them to unfavorable outcomes. In this review, we discuss both the beneficial and pathological functions of cytokines and the potential challenges in separating these two roles. Further, we discuss challenges in targeting these cytokines during disease and propose a new method for quantifying the cytokine effect to limit the pathological consequences while preserving their beneficial effects.
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Affiliation(s)
- De Chang
- College of Pulmonary and Critical Care Medicine of Eighth Medical Center, Chinese PLA General Hospital, Beijing 100028, China;
- Department of Pulmonary and Critical Care Medicine of Seventh Medical Center, Chinese PLA General Hospital, Beijing 100028, China
| | - Charles Dela Cruz
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA;
- Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA 15240, USA
| | - Lokesh Sharma
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA;
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4
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Liyanage TD, Nikapitiya C, De Zoysa M. Chitosan nanoparticles-based in vivo delivery of miR-155 modulates the Viral haemorrhagic septicaemia virus-induced antiviral immune responses in zebrafish (Danio rerio). FISH & SHELLFISH IMMUNOLOGY 2024; 144:109234. [PMID: 37984615 DOI: 10.1016/j.fsi.2023.109234] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/24/2023] [Accepted: 11/14/2023] [Indexed: 11/22/2023]
Abstract
Viral haemorrhagic septicaemia virus (VHSV) is one of the highly pathogenic virus, which causes viral haemorrhagic septicaemia disease in both marine and freshwater fish. Micro RNA-155 (miRNA-155) is a multifunctional small non-coding RNA and it involves regulation of immune responses during viral infection. In this study, dre-miR-155 mimics were encapsulated into chitosan nanoparticles (CNPs). Resulted encapsulated product (miR-155-CNPs) was investigated for its immunomodulation role in zebrafish during experimentally challenged VHSV infection. Successful encapsulation of dre-miR-155 mimics into CNPs was confirmed through average nanoparticle (NPs) size (341.45 ± 10.00 nm), increased encapsulation efficiency percentage (98.80%), bound dre-miR-155 with chitosan, sustained release in vitro (up to 40%), and the integrity of RNA. Overexpressed miR-155 was observed in gills, muscle, and kidney tissues (5.42, 19.62, and 140.72-folds, respectively) after intraperitoneal delivery of miR-155-CNPs into zebrafish upon VHSV infection (miR-155-CNPs + VHSV). The miR-155-CNPs + VHSV infected fish had the highest cumulative survival (85%), which was associated with low viral copy numbers. The miR-155-overexpressing fish showed significantly decreased expression of ifnγ, irf2bpl, irf9, socs1a, il10, and caspase3, compared to that of the miR-155 inhibitor + VHSV infected fish group. In contrast, il1β, tnfα, il6, cd8a, and p53 expressions were upregulated in miR-155-overexpressed zebrafish compared to that of the control. The overall findings indicate the successful delivery of dre-miR-155 through miR-155-CNPs that enabled restriction of VHSV infection in zebrafish presumably by modulating immune gene expression.
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Affiliation(s)
- T D Liyanage
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea; Department of Microbiology and Immunology, University of Otago, 9054, Dunedin, New Zealand
| | - Chamilani Nikapitiya
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Mahanama De Zoysa
- College of Veterinary Medicine and Research Institute of Veterinary Medicine, Chungnam National University, Yuseong-gu, Daejeon 34134, Republic of Korea.
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5
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Jiang Y, Sun S, Quan Y, Wang X, You Y, Zhang X, Zhang Y, Liu Y, Wang B, Xu H, Cao X. Nuclear RPSA senses viral nucleic acids to promote the innate inflammatory response. Nat Commun 2023; 14:8455. [PMID: 38114488 PMCID: PMC10730619 DOI: 10.1038/s41467-023-43784-0] [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: 02/25/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023] Open
Abstract
Innate sensors initiate the production of type I interferons (IFN-I) and proinflammatory cytokines to protect host from viral infection. Several innate nuclear sensors that mainly induce IFN-I production have been identified. Whether there exist innate nuclear sensors that mainly induce proinflammatory cytokine production remains to be determined. By functional screening, we identify 40 S ribosomal protein SA (RPSA) as a nuclear protein that recognizes viral nucleic acids and predominantly promotes proinflammatory cytokine gene expression in antiviral innate immunity. Myeloid-specific Rpsa-deficient mice exhibit less innate inflammatory response against infection with Herpes simplex virus-1 (HSV-1) and Influenza A virus (IAV), the viruses replicating in nucleus. Mechanistically, nucleus-localized RPSA is phosphorylated at Tyr204 upon infection, then recruits ISWI complex catalytic subunit SMARCA5 to increase chromatin accessibility of NF-κB to target gene promotors without affecting innate signaling. Our results add mechanistic insights to an intra-nuclear way of initiating proinflammatory cytokine expression in antiviral innate defense.
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Affiliation(s)
- Yan Jiang
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Siqi Sun
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Yuan Quan
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Xin Wang
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Yuling You
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Xiao Zhang
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Yue Zhang
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Yin Liu
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Bingjing Wang
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Henan Xu
- Frontiers Science Center for Cell Responses, Institute of Immunology, College of Life Sciences, Nankai University, Tianjin, 300071, China.
| | - Xuetao Cao
- Department of Immunology, Center for Immunotherapy, Institute of Basic Medical Sciences, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100005, China.
- Frontiers Science Center for Cell Responses, Institute of Immunology, College of Life Sciences, Nankai University, Tianjin, 300071, China.
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6
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Griffith JW, Faustino LD, Cottrell VI, Nepal K, Hariri LP, Chiu RSY, Jones MC, Julé A, Gabay C, Luster AD. Regulatory T cell-derived IL-1Ra suppresses the innate response to respiratory viral infection. Nat Immunol 2023; 24:2091-2107. [PMID: 37945820 DOI: 10.1038/s41590-023-01655-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Accepted: 09/15/2023] [Indexed: 11/12/2023]
Abstract
Regulatory T (Treg) cell modulation of adaptive immunity and tissue homeostasis is well described; however, less is known about Treg cell-mediated regulation of the innate immune response. Here we show that deletion of ST2, the receptor for interleukin (IL)-33, on Treg cells increased granulocyte influx into the lung and increased cytokine production by innate lymphoid and γδ T cells without alteration of adaptive immunity to influenza. IL-33 induced high levels of the interleukin-1 receptor antagonist (IL-1Ra) in ST2+ Treg cells and deletion of IL-1Ra in Treg cells increased granulocyte influx into the lung. Treg cell-specific deletion of ST2 or IL-1Ra improved survival to influenza, which was dependent on IL-1. Adventitial fibroblasts in the lung expressed high levels of the IL-1 receptor and their chemokine production was suppressed by Treg cell-produced IL-1Ra. Thus, we define a new pathway where IL-33-induced IL-1Ra production by tissue Treg cells suppresses IL-1-mediated innate immune responses to respiratory viral infection.
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Affiliation(s)
- Jason W Griffith
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Lucas D Faustino
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Victoria I Cottrell
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Keshav Nepal
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Lida P Hariri
- Division of Pulmonary and Critical Care Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Massachusetts General Hospital, Boston, MA, USA
| | - Rebecca Suet-Yan Chiu
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Michael C Jones
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Amélie Julé
- Harvard Chan Bioinformatics Core, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Cem Gabay
- Division of Rheumatology, University Hospitals of Geneva and University of Geneva Faculty of Medicine, Geneva, Switzerland
| | - Andrew D Luster
- Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
- Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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7
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Kim DK, Huh JW, Yu H, Lee Y, Jin Y, Ha UH. Pseudomonas aeruginosa-Derived DnaJ Induces the Expression of IL-1β by Engaging the Interplay of p38 and ERK Signaling Pathways in Macrophages. Int J Mol Sci 2023; 24:15957. [PMID: 37958940 PMCID: PMC10648868 DOI: 10.3390/ijms242115957] [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: 09/26/2023] [Revised: 11/01/2023] [Accepted: 11/02/2023] [Indexed: 11/15/2023] Open
Abstract
As members of pathogen-associated molecular patterns, bacterial heat shock proteins (HSPs) are widely recognized for their role in initiating innate immune responses. This study aimed to examine the impact of DnaJ, a homolog of HSP40 derived from Pseudomonas aeruginosa (P. aeruginosa), on the regulation of IL-1β expression in macrophages. We demonstrated that DnaJ modulates macrophages to secrete IL-1β by activating NF-κB and MAPK signaling pathways. Specifically, ERK was identified as a positive mediator for IL-1β expression, while p38 acted as a negative mediator. These results suggest that the reciprocal actions of these two crucial MAPKs play a vital role in controlling IL-1β expression. Additionally, the reciprocal actions of MAPKs were found to regulate the activation of inflammasome-related molecules, including vimentin, NLRP3, caspase-1, and GSDMD. Furthermore, our investigation explored the involvement of CD91/CD40 in ERK signaling-mediated IL-1β production from DnaJ-treated macrophages. These findings emphasize the importance of understanding the signaling mechanisms underlying IL-1β induction and suggest the potential utility of DnaJ as an adjuvant for stimulating inflammasome activation.
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Affiliation(s)
- Dae-Kyum Kim
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Republic of Korea; (D.-K.K.); (J.-W.H.); (H.Y.); (Y.L.)
- Interdisciplinary Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, Republic of Korea
| | - Jin-Won Huh
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Republic of Korea; (D.-K.K.); (J.-W.H.); (H.Y.); (Y.L.)
| | - Hyeonseung Yu
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Republic of Korea; (D.-K.K.); (J.-W.H.); (H.Y.); (Y.L.)
| | - Yeji Lee
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Republic of Korea; (D.-K.K.); (J.-W.H.); (H.Y.); (Y.L.)
| | - Yongxin Jin
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Molecular Microbiology and Technology of the Ministry of Education, Department of Microbiology, Nankai University, Tianjin 300071, China;
| | - Un-Hwan Ha
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, Republic of Korea; (D.-K.K.); (J.-W.H.); (H.Y.); (Y.L.)
- Interdisciplinary Graduate Program for Artificial Intelligence Smart Convergence Technology, Korea University, Sejong 30019, Republic of Korea
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8
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Misplon JA, Lo CY, Crabbs TA, Price GE, Epstein SL. Adenoviral-vectored universal influenza vaccines administered intranasally reduce lung inflammatory responses upon viral challenge 15 months post-vaccination. J Virol 2023; 97:e0067423. [PMID: 37830821 PMCID: PMC10617573 DOI: 10.1128/jvi.00674-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 09/04/2023] [Indexed: 10/14/2023] Open
Abstract
IMPORTANCE Vaccines targeting highly conserved proteins can protect broadly against diverse viral strains. When a vaccine is administered to the respiratory tract, protection against disease is especially powerful. However, it is important to establish that this approach is safe. When vaccinated animals later encounter viruses, does reactivation of powerful local immunity, including T cell responses, damage the lungs? This study investigates the safety of mucosal vaccination of the respiratory tract. Non-replicating adenoviral vaccine vectors expressing conserved influenza virus proteins were given intranasally. This vaccine-induced protection persists for at least 15 months. Vaccination did not exacerbate inflammatory responses or tissue damage upon influenza virus infection. Instead, vaccination with nucleoprotein reduced cytokine responses and histopathology, while neutrophil and T cell responses resolved earlier. The results are promising for safe vaccination at the site of infection and thus have implications for the control of influenza and other respiratory viruses.
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Affiliation(s)
- Julia A. Misplon
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
| | - Chia-Yun Lo
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
| | - Torrie A. Crabbs
- Experimental Pathology Laboratories, Inc., Durham, North Carolina, USA
| | - Graeme E. Price
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
| | - Suzanne L. Epstein
- Division of Cellular and Gene Therapies, Office of Tissues and Advanced Therapies, Center for Biologics Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA
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9
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Van Den Eeckhout B, Ballegeer M, De Clercq J, Burg E, Saelens X, Vandekerckhove L, Gerlo S. Rethinking IL-1 Antagonism in Respiratory Viral Infections: A Role for IL-1 Signaling in the Development of Antiviral T Cell Immunity. Int J Mol Sci 2023; 24:15770. [PMID: 37958758 PMCID: PMC10650641 DOI: 10.3390/ijms242115770] [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: 09/24/2023] [Revised: 10/24/2023] [Accepted: 10/28/2023] [Indexed: 11/15/2023] Open
Abstract
IL-1R integrates signals from IL-1α and IL-1β, and it is widely expressed across tissues and immune cell types. While the expression pattern and function of IL-1R within the innate immune system is well studied, its role in adaptive immunity, particularly within the CD8 T cell compartment, remains underexplored. Here, we show that CD8 T cells dynamically upregulate IL-1R1 levels during priming by APCs, which correlates with their proliferation status and the acquisition of an effector phenotype. Notably, this IL-1 sensitivity persists in memory CD8 T cells of both mice and humans, influencing effector cytokine production upon TCR reactivation. Furthermore, our study highlights that antiviral effector and tissue-resident CD8 T cell responses against influenza A virus infection become impaired in the absence of IL-1 signaling. Altogether, these data support the exploitation of IL-1 activity in the context of T cell vaccination strategies and warrant consideration of the impact of clinical IL-1 inhibition on the rollout of T cell immunity.
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Affiliation(s)
- Bram Van Den Eeckhout
- HIV Cure and Research Center (HCRC), 9000 Ghent, Belgium (J.D.C.)
- Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
- Department of Biomolecular Medicine, Ghent University, 9820 Ghent, Belgium
| | - Marlies Ballegeer
- VIB Center for Medical Biotechnology, 9052 Ghent, Belgium; (M.B.)
- Department of Biochemistry and Microbiology, Ghent University, 9000 Ghent, Belgium
| | - Jozefien De Clercq
- HIV Cure and Research Center (HCRC), 9000 Ghent, Belgium (J.D.C.)
- Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
| | - Elianne Burg
- HIV Cure and Research Center (HCRC), 9000 Ghent, Belgium (J.D.C.)
- Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
| | - Xavier Saelens
- VIB Center for Medical Biotechnology, 9052 Ghent, Belgium; (M.B.)
- Department of Biochemistry and Microbiology, Ghent University, 9000 Ghent, Belgium
| | - Linos Vandekerckhove
- HIV Cure and Research Center (HCRC), 9000 Ghent, Belgium (J.D.C.)
- Department of Internal Medicine and Pediatrics, Ghent University, 9000 Ghent, Belgium
| | - Sarah Gerlo
- HIV Cure and Research Center (HCRC), 9000 Ghent, Belgium (J.D.C.)
- Department of Biomolecular Medicine, Ghent University, 9820 Ghent, Belgium
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10
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Das A, Pathak S, Premkumar M, Sarpparajan CV, Balaji ER, Duttaroy AK, Banerjee A. A brief overview of SARS-CoV-2 infection and its management strategies: a recent update. Mol Cell Biochem 2023:10.1007/s11010-023-04848-3. [PMID: 37742314 DOI: 10.1007/s11010-023-04848-3] [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: 06/20/2023] [Accepted: 09/02/2023] [Indexed: 09/26/2023]
Abstract
The COVID-19 pandemic has become a global health crisis, inflicting substantial morbidity and mortality worldwide. A diverse range of symptoms, including fever, cough, dyspnea, and fatigue, characterizes COVID-19. A cytokine surge can exacerbate the disease's severity. This phenomenon involves an increased immune response, marked by the excessive release of inflammatory cytokines like IL-6, IL-8, TNF-α, and IFNγ, leading to tissue damage and organ dysfunction. Efforts to reduce the cytokine surge and its associated complications have garnered significant attention. Standardized management protocols have incorporated treatment strategies, with corticosteroids, chloroquine, and intravenous immunoglobulin taking the forefront. The recent therapeutic intervention has also assisted in novel strategies like repurposing existing medications and the utilization of in vitro drug screening methods to choose effective molecules against viral infections. Beyond acute management, the significance of comprehensive post-COVID-19 management strategies, like remedial measures including nutritional guidance, multidisciplinary care, and follow-up, has become increasingly evident. As the understanding of COVID-19 pathogenesis deepens, it is becoming increasingly evident that a tailored approach to therapy is imperative. This review focuses on effective treatment measures aimed at mitigating COVID-19 severity and highlights the significance of comprehensive COVID-19 management strategies that show promise in the battle against COVID-19.
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Affiliation(s)
- Alakesh Das
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India
| | - Surajit Pathak
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India
| | - Madhavi Premkumar
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India
| | - Chitra Veena Sarpparajan
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India
| | - Esther Raichel Balaji
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India
| | - Asim K Duttaroy
- Department of Nutrition, Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway.
| | - Antara Banerjee
- Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India.
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11
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Lane TR, Fu J, Sherry B, Tarbet B, Hurst BL, Riabova O, Kazakova E, Egorova A, Clarke P, Leser JS, Frost J, Rudy M, Tyler KL, Klose T, Volobueva AS, Belyaevskaya SV, Zarubaev VV, Kuhn RJ, Makarov V, Ekins S. Efficacy of an isoxazole-3-carboxamide analog of pleconaril in mouse models of Enterovirus-D68 and Coxsackie B5. Antiviral Res 2023; 216:105654. [PMID: 37327878 PMCID: PMC10527014 DOI: 10.1016/j.antiviral.2023.105654] [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: 04/27/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 06/18/2023]
Abstract
Enteroviruses (EV) cause a number of life-threatening infectious diseases. EV-D68 is known to cause respiratory illness in children that can lead to acute flaccid myelitis. Coxsackievirus B5 (CVB5) is commonly associated with hand-foot-mouth disease. There is no antiviral treatment available for either. We have developed an isoxazole-3-carboxamide analog of pleconaril (11526092) which displayed potent inhibition of EV-D68 (IC50 58 nM) as well as other enteroviruses including the pleconaril-resistant Coxsackievirus B3-Woodruff (IC50 6-20 nM) and CVB5 (EC50 1 nM). Cryo-electron microscopy structures of EV-D68 in complex with 11526092 and pleconaril demonstrate destabilization of the EV-D68 MO strain VP1 loop, and a strain-dependent effect. A mouse respiratory model of EV-D68 infection, showed 3-log decreased viremia, favorable cytokine response, as well as statistically significant 1-log reduction in lung titer reduction at day 5 after treatment with 11526092. An acute flaccid myelitis neurological infection model did not show efficacy. 11526092 was tested in a mouse model of CVB5 infection and showed a 4-log TCID50 reduction in the pancreas. In summary, 11526092 represents a potent in vitro inhibitor of EV with in vivo efficacy in EV-D68 and CVB5 animal models suggesting it is worthy of further evaluation as a potential broad-spectrum antiviral therapeutic against EV.
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Affiliation(s)
- Thomas R Lane
- Collaborations Pharmaceuticals Inc., Raleigh, NC, USA
| | - Jianing Fu
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA
| | - Barbara Sherry
- Department of Molecular Biomedical Sciences, North Carolina State University, College of Veterinary Medicine, Raleigh, NC, USA
| | - Bart Tarbet
- Institute for Antiviral Research, Utah State University, Logan, UT, USA; Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, UT, USA
| | - Brett L Hurst
- Institute for Antiviral Research, Utah State University, Logan, UT, USA; Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, UT, USA
| | - Olga Riabova
- Research Center of Biotechnology RAS, 33-1 Leninsky prospect, 119071, Moscow, Russia
| | - Elena Kazakova
- Research Center of Biotechnology RAS, 33-1 Leninsky prospect, 119071, Moscow, Russia
| | - Anna Egorova
- Research Center of Biotechnology RAS, 33-1 Leninsky prospect, 119071, Moscow, Russia
| | - Penny Clarke
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - J Smith Leser
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Joshua Frost
- Department of Immunology and Microbiology, Infectious Disease, Medicine and Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | | | - Kenneth L Tyler
- Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA; Department of Veterans Affairs, Aurora, CO, USA
| | - Thomas Klose
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA
| | | | | | - Vladimir V Zarubaev
- Saint Petersburg Pasteur Institute, 14 Mira Street, 197101, Saint Petersburg, Russia
| | - Richard J Kuhn
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA
| | - Vadim Makarov
- Research Center of Biotechnology RAS, 33-1 Leninsky prospect, 119071, Moscow, Russia
| | - Sean Ekins
- Collaborations Pharmaceuticals Inc., Raleigh, NC, USA.
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12
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Alvarez F, Istomine R, Da Silva Lira Filho A, Al-Aubodah TA, Huang D, Okde R, Olivier M, Fritz JH, Piccirillo CA. IL-18 is required for the T H1-adaptation of T REG cells and the selective suppression of T H17 responses in acute and chronic infections. Mucosal Immunol 2023; 16:462-475. [PMID: 37182738 DOI: 10.1016/j.mucimm.2023.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/24/2023] [Accepted: 05/03/2023] [Indexed: 05/16/2023]
Abstract
Interleukin (IL)-18, a member of the IL-1 family of alarmins, is abundantly released in the lungs following influenza A (IAV) infections yet its role in orchestrating the local adaptive immune response remains ill defined. Through genetic disruption of the IL-18 receptor, we demonstrate that IL-18 not only promotes pulmonary TH1 responses but also influences regulatory T cells (TREG) function in the infected lungs. As the response unfolds, TREG cells accumulating in the lungs express Helios, T-bet, CXCR3, and IL-18R1 and produce interferon γ in the presence of IL-12. During IAV, IL-18R1 is required for TREG cells to control TH17, but not TH1, responses and promote a return to lung homeostasis, revealing a novel mechanism of selective suppression. Moreover, this observation was not limited to the lungs, as skin-localized TREG cells require an IL-18 signal to specifically suppress IL-17A production by TH17 and γδ T cells in a model of chronic cutaneous Leishmania major infection. Overall, these results uncover how IL-18 orchestrates the tissue adaptation of TREG cells to selectively favor TH1 over TH17 responses during TH1-driven immune responses and provide a novel perspective into how IL-18 dictates the immune response during viral and parasitic infections.
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Affiliation(s)
- Fernando Alvarez
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada
| | - Roman Istomine
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada
| | | | - Tho-Alfakar Al-Aubodah
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada
| | - Daniel Huang
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada
| | - Rakan Okde
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada
| | - Martin Olivier
- Department of Microbiology and Immunology, McGill University, Montréal, Canada
| | - Jörg H Fritz
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada; McGill University Research Centre on Complex Traits (MRCCT), Montréal, Canada
| | - Ciriaco A Piccirillo
- Department of Microbiology and Immunology, McGill University, Montréal, Canada; Program in Infectious Diseases and Immunology in Global Health, Centre for Translational Biology, The Research Institute of the McGill University Health Centre (RI-MUHC), Montréal, Canada; Centre of Excellence in Translational Immunology (CETI), Montréal, Canada; McGill University Research Centre on Complex Traits (MRCCT), Montréal, Canada.
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13
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Nagai M, Moriyama M, Ishii C, Mori H, Watanabe H, Nakahara T, Yamada T, Ishikawa D, Ishikawa T, Hirayama A, Kimura I, Nagahara A, Naito T, Fukuda S, Ichinohe T. High body temperature increases gut microbiota-dependent host resistance to influenza A virus and SARS-CoV-2 infection. Nat Commun 2023; 14:3863. [PMID: 37391427 PMCID: PMC10313692 DOI: 10.1038/s41467-023-39569-0] [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: 07/14/2022] [Accepted: 06/20/2023] [Indexed: 07/02/2023] Open
Abstract
Fever is a common symptom of influenza and coronavirus disease 2019 (COVID-19), yet its physiological role in host resistance to viral infection remains less clear. Here, we demonstrate that exposure of mice to the high ambient temperature of 36 °C increases host resistance to viral pathogens including influenza virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). High heat-exposed mice increase basal body temperature over 38 °C to enable more bile acids production in a gut microbiota-dependent manner. The gut microbiota-derived deoxycholic acid (DCA) and its plasma membrane-bound receptor Takeda G-protein-coupled receptor 5 (TGR5) signaling increase host resistance to influenza virus infection by suppressing virus replication and neutrophil-dependent tissue damage. Furthermore, the DCA and its nuclear farnesoid X receptor (FXR) agonist protect Syrian hamsters from lethal SARS-CoV-2 infection. Moreover, we demonstrate that certain bile acids are reduced in the plasma of COVID-19 patients who develop moderate I/II disease compared with the minor severity of illness group. These findings implicate a mechanism by which virus-induced high fever increases host resistance to influenza virus and SARS-CoV-2 in a gut microbiota-dependent manner.
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Affiliation(s)
- Minami Nagai
- Division of Viral Infection, Department of Infectious Disease Control, International Research Center for Infectious Diseases, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Miyu Moriyama
- Division of Viral Infection, Department of Infectious Disease Control, International Research Center for Infectious Diseases, Institute of Medical Science, The University of Tokyo, Tokyo, Japan
| | - Chiharu Ishii
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan
| | - Hirotake Mori
- Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan
| | | | | | - Takuji Yamada
- Metagen Therapeutics, Inc., Yamagata, Japan
- Department of Life Science and Technology, Tokyo Institute of Technology, Tokyo, Japan
| | - Dai Ishikawa
- Metagen Therapeutics, Inc., Yamagata, Japan
- Laboratory for Regenerative Microbiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Gastroenterology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Takamasa Ishikawa
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan
| | - Akiyoshi Hirayama
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan
| | - Ikuo Kimura
- Laboratory of Molecular Neurobiology, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
- Department of Applied Biological Science, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
| | - Akihito Nagahara
- Laboratory for Regenerative Microbiology, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Gastroenterology, Juntendo University Faculty of Medicine, Tokyo, Japan
| | - Toshio Naito
- Department of General Medicine, Juntendo University Faculty of Medicine, Tokyo, Japan.
| | - Shinji Fukuda
- Institute for Advanced Biosciences, Keio University, Yamagata, Japan.
- Metagen Therapeutics, Inc., Yamagata, Japan.
- Laboratory for Regenerative Microbiology, Juntendo University Graduate School of Medicine, Tokyo, Japan.
- Gut Environmental Design Group, Kanagawa Institute of Industrial Science and Technology, Kanagawa, Japan.
- Transborder Medical Research Center, University of Tsukuba, Ibaraki, Japan.
| | - Takeshi Ichinohe
- Division of Viral Infection, Department of Infectious Disease Control, International Research Center for Infectious Diseases, Institute of Medical Science, The University of Tokyo, Tokyo, Japan.
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14
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Niu J, Meng G. Roles and Mechanisms of NLRP3 in Influenza Viral Infection. Viruses 2023; 15:1339. [PMID: 37376638 DOI: 10.3390/v15061339] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Pathogenic viral infection represents a major challenge to human health. Due to the vast mucosal surface of respiratory tract exposed to the environment, host defense against influenza viruses has perpetually been a considerable challenge. Inflammasomes serve as vital components of the host innate immune system and play a crucial role in responding to viral infections. To cope with influenza viral infection, the host employs inflammasomes and symbiotic microbiota to confer effective protection at the mucosal surface in the lungs. This review article aims to summarize the current findings on the function of NACHT, LRR and PYD domains-containing protein 3 (NLRP3) in host response to influenza viral infection involving various mechanisms including the gut-lung crosstalk.
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Affiliation(s)
- Junling Niu
- The Center for Microbes, Development and Health, CAS Key Laboratory of Molecular Virology & Immunology, University of Chinese Academy of Sciences, 320 Yueyang Road, Life Science Research Building B-205, Shanghai 200031, China
| | - Guangxun Meng
- The Center for Microbes, Development and Health, CAS Key Laboratory of Molecular Virology & Immunology, University of Chinese Academy of Sciences, 320 Yueyang Road, Life Science Research Building B-205, Shanghai 200031, China
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15
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Luciani LL, Miller LM, Zhai B, Clarke K, Hughes Kramer K, Schratz LJ, Balasubramani GK, Dauer K, Nowalk MP, Zimmerman RK, Shoemaker JE, Alcorn JF. Blood Inflammatory Biomarkers Differentiate Inpatient and Outpatient Coronavirus Disease 2019 From Influenza. Open Forum Infect Dis 2023; 10:ofad095. [PMID: 36949873 PMCID: PMC10026548 DOI: 10.1093/ofid/ofad095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
Background The ongoing circulation of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) poses a diagnostic challenge because symptoms of coronavirus disease 2019 (COVID-19) are difficult to distinguish from other respiratory diseases. Our goal was to use statistical analyses and machine learning to identify biomarkers that distinguish patients with COVID-19 from patients with influenza. Methods Cytokine levels were analyzed in plasma and serum samples from patients with influenza and COVID-19, which were collected as part of the Centers for Disease Control and Prevention's Hospitalized Adult Influenza Vaccine Effectiveness Network (inpatient network) and the US Flu Vaccine Effectiveness (outpatient network). Results We determined that interleukin (IL)-10 family cytokines are significantly different between COVID-19 and influenza patients. The results suggest that the IL-10 family cytokines are a potential diagnostic biomarker to distinguish COVID-19 and influenza infection, especially for inpatients. We also demonstrate that cytokine combinations, consisting of up to 3 cytokines, can distinguish SARS-CoV-2 and influenza infection with high accuracy in both inpatient (area under the receiver operating characteristics curve [AUC] = 0.84) and outpatient (AUC = 0.81) groups, revealing another potential screening tool for SARS-CoV-2 infection. Conclusions This study not only reveals prospective screening tools for COVID-19 infections that are independent of polymerase chain reaction testing or clinical condition, but it also emphasizes potential pathways involved in disease pathogenesis that act as potential targets for future mechanistic studies.
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Affiliation(s)
- Lauren L Luciani
- Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Leigh M Miller
- Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Bo Zhai
- Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Karen Clarke
- Department of Family Medicine and Clinical Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Kailey Hughes Kramer
- Department of Internal Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Lucas J Schratz
- Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - G K Balasubramani
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Klancie Dauer
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - M Patricia Nowalk
- Department of Family Medicine and Clinical Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Richard K Zimmerman
- Department of Family Medicine and Clinical Epidemiology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jason E Shoemaker
- Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - John F Alcorn
- Department of Pediatrics, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Department of Immunology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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16
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MLKL-Driven Inflammasome Activation and Caspase-8 Mediate Inflammatory Cell Death in Influenza A Virus Infection. mBio 2023; 14:e0011023. [PMID: 36852999 PMCID: PMC10127685 DOI: 10.1128/mbio.00110-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023] Open
Abstract
Influenza A virus (IAV) triggers multiple programmed cell death pathways, including MLKL-dependent necroptosis, caspase-8-dependent apoptosis, and caspase-1-dependent pyroptosis in myeloid cells. All three pathways share common upstream regulators, namely, ZBP1 and RIPK3. Yet, the molecular mechanism underlying IAV-induced inflammasome activation remains unclear. Here, we demonstrate that MLKL promotes inflammasome activation and IL-1β processing in IAV-infected macrophages. MLKL drives NLRP3 inflammasome activation through potassium efflux. In the absence of the MLKL-inflammasome axis, caspase-8 coordinates the maturation and secretion of IL-1β. MLKL alone is dispensable for host inflammatory responses to IAV in vivo. Taken together, MLKL and caspase-8 serve as redundant mechanisms by which to drive an inflammatory form of cell death in response to an IAV infection. IMPORTANCE Influenza A virus (IAV) induces multiple types of cell death, which play important roles in the host antiviral responses but can also cause unwanted inflammation and tissue damage. In this study, we dissect the interplay of cell death pathways and demonstrate that macrophages utilize redundant mechanisms to drive an inflammatory form of cell death upon IAV infection. MLKL, the executor of necroptosis, promotes inflammasome activation and pyroptotic cell death. When the MLKL-inflammasome axis is inhibited, cells divert to caspase-8-dependent inflammatory cell death. Our findings advance the current understanding of the innate immune response to IAV infection as well as broader contexts involving multifaceted cell death.
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17
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Cox SL, O'Siorain JR, He Y, Lordan R, Naik A, Tang SY, Sengupta S, FitzGerald GA, Carroll RG, Curtis AM. Circadian disruption in lung fibroblasts enhances NF-κB activity to exacerbate neutrophil recruitment. FASEB J 2023; 37:e22753. [PMID: 36624683 PMCID: PMC10107448 DOI: 10.1096/fj.202201456r] [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: 09/08/2022] [Revised: 12/08/2022] [Accepted: 12/21/2022] [Indexed: 01/11/2023]
Abstract
Fibroblasts are stromal cells abundant throughout tissues, including the lungs. Fibroblasts are integral coordinators of immune cell recruitment through chemokine secretion. Circadian rhythms direct the recruitment of immune cells to the lung, which in turn impacts response to infection and survival. Although fibroblasts display robust circadian rhythms, the contribution of the fibroblast molecular clock to lung-specific migration of immune cells and recruitment remains to be established. Mice challenged intranasally with lipopolysaccharide (LPS) at dusk showed increased expression of the pro-inflammatory cytokine IL-1β and chemokine CXCL5 in the lung, which was accompanied by increased neutrophil recruitment. Primary lung fibroblasts with knockdown of the core clock gene Bmal1 and immortalized Bmal1-/- lung fibroblasts also displayed increased Cxcl5 expression under IL-1β stimulation. Conditioned media obtained from IL-1β-stimulated Bmal1-/- immortalized fibroblasts-induced greater neutrophil migration compared with Bmal1+/+ lung fibroblast controls. Phosphorylation of the NF-κB subunit, p65, was enhanced in IL-1β-stimulated Bmal1-/- lung fibroblasts, and pharmacological inhibition of NF-κB attenuated the enhanced CXCL5 production and neutrophil recruitment observed in these cells. Collectively, these results demonstrate that Bmal1 represses NF-κB activity in lung fibroblasts to control chemokine expression and immune cell recruitment during an inflammatory response.
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Affiliation(s)
- Shannon L. Cox
- Curtis Clock Laboratory, School of Pharmacy and Biomolecular Sciences (PBS)Royal College of Surgeons in Ireland (RCSI)DublinIreland
| | - James R. O'Siorain
- Curtis Clock Laboratory, School of Pharmacy and Biomolecular Sciences (PBS)Royal College of Surgeons in Ireland (RCSI)DublinIreland
| | - Yan He
- Curtis Clock Laboratory, School of Pharmacy and Biomolecular Sciences (PBS)Royal College of Surgeons in Ireland (RCSI)DublinIreland
- Institute of Functional Nano and Soft Materials (FUNSOM)Jiangsu Key Laboratory for Carbon‐Based Functional Materials and DevicesSoochow UniversitySuzhouChina
| | - Ronan Lordan
- Institute of Translational Medicine and Therapeutics (ITMAT)University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Amruta Naik
- Institute of Translational Medicine and Therapeutics (ITMAT)University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
- Children's Hospital of PediatricsPhiladelphiaPennsylvaniaUSA
| | - Soon Yew Tang
- Institute of Translational Medicine and Therapeutics (ITMAT)University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Shaon Sengupta
- Institute of Translational Medicine and Therapeutics (ITMAT)University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
- Children's Hospital of PediatricsPhiladelphiaPennsylvaniaUSA
- Department of PaediatricsUniversity of Pennsylvania Perelman School of MedicinePhiladelphiaPennsylvaniaUSA
| | - Garret A. FitzGerald
- Institute of Translational Medicine and Therapeutics (ITMAT)University of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Richard G. Carroll
- Curtis Clock Laboratory, School of Pharmacy and Biomolecular Sciences (PBS)Royal College of Surgeons in Ireland (RCSI)DublinIreland
| | - Annie M. Curtis
- Curtis Clock Laboratory, School of Pharmacy and Biomolecular Sciences (PBS)Royal College of Surgeons in Ireland (RCSI)DublinIreland
- Tissue Engineering Research Group (TERG)Royal College of Surgeons in Ireland (RCSI)DublinIreland
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18
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Use of Continuous Intravenous Anakinra Infusion in Multisystem Inflammatory Syndrome in Children. Case Rep Crit Care 2023; 2023:8530060. [PMID: 36895203 PMCID: PMC9991479 DOI: 10.1155/2023/8530060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/04/2023] [Accepted: 02/17/2023] [Indexed: 03/04/2023] Open
Abstract
Coronavirus disease (COVID-19) is an emergency pandemic with a high mortality rate worldwide. One of its complications in children is developing multisystemic inflammatory syndrome related to cytokine storm. Anakinra is a recombinant human interleukin-1 (IL-1) receptor antagonist used to suppress the exaggerated inflammatory response in such conditions, and it is potentially lifesaving in a cytokine storm. We present the case of a patient with critical COVID-19 associated with multisystem inflammatory syndrome in children (MIS-C) successfully treated with anakinra intravenous (IV) infusion.
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19
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Abstract
Pyroptosis is a form of lytic, programmed cell death that functions as an innate immune effector mechanism to facilitate host defense against pathogenic microorganisms, including viruses. This type of proinflammatory cell death is orchestrated by proteolytic activation of human or mouse caspase-1, mouse caspase-11 and human caspase-4 and caspase-5 in response to infectious and inflammatory stimuli. Induction of pyroptosis requires either a canonical inflammasome responsible for caspase-1 activation or a noncanonical complex composed of caspase-11 in mice or caspase-4 or caspase-5 in humans. Recent studies have identified the pore-forming protein gasdermin D, a substrate of these inflammatory caspases, as an executioner of pyroptosis. The membrane pores formed by gasdermin D facilitate release of proinflammatory cytokines IL-1β and IL-18 and consequent biologic effects of these cytokines together with other released components. Pyroptosis, like other forms of programmed cell death, helps eliminate infected cells and thereby restricts the replicative niche, undermining survival and proliferation of intracellular pathogens. This includes viruses as well as bacteria, where ample evidence supports a critical role for inflammasome effector functions and cell death in host defense. Viruses have evolved their own mechanisms to modulate inflammasome signaling and pyroptosis. Here, we review the current literature regarding the role of pyroptosis in antiviral immune responses.
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Affiliation(s)
- Teneema Kuriakose
- Department of Immunology, St. Jude Children's Research Hospital, MS #351, 262 Danny Thomas Place, 38105-3678, Memphis, TN, USA
| | - Thirumala-Devi Kanneganti
- Department of Immunology, St. Jude Children's Research Hospital, MS #351, 262 Danny Thomas Place, 38105-3678, Memphis, TN, USA.
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20
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Llibre A, Smith N, Rouilly V, Musvosvi M, Nemes E, Posseme C, Mabwe S, Charbit B, Mbandi SK, Filander E, Africa H, Saint-André V, Bondet V, Bost P, Mulenga H, Bilek N, Albert ML, Scriba TJ, Duffy D. Tuberculosis alters immune-metabolic pathways resulting in perturbed IL-1 responses. Front Immunol 2022; 13:897193. [PMID: 36591308 PMCID: PMC9795069 DOI: 10.3389/fimmu.2022.897193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 09/12/2022] [Indexed: 12/15/2022] Open
Abstract
Tuberculosis (TB) remains a major public health problem and we lack a comprehensive understanding of how Mycobacterium tuberculosis (M. tb) infection impacts host immune responses. We compared the induced immune response to TB antigen, BCG and IL-1β stimulation between latently M. tb infected individuals (LTBI) and active TB patients. This revealed distinct responses between TB/LTBI at transcriptomic, proteomic and metabolomic levels. At baseline, we identified a novel immune-metabolic association between pregnane steroids, the PPARγ pathway and elevated plasma IL-1ra in TB. We observed dysregulated IL-1 responses after BCG stimulation in TB patients, with elevated IL-1ra responses being explained by upstream TNF differences. Additionally, distinct secretion of IL-1α/IL-1β in LTBI/TB after BCG stimulation was associated with downstream differences in granzyme mediated cleavage. Finally, IL-1β driven signalling was dramatically perturbed in TB disease but was completely restored after successful treatment. This study improves our knowledge of how immune responses are altered during TB disease, and may support the design of improved preventive and therapeutic tools, including host-directed strategies.
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Affiliation(s)
- Alba Llibre
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - Nikaïa Smith
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | | | - Munyaradzi Musvosvi
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Elisa Nemes
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Céline Posseme
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - Simbarashe Mabwe
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Bruno Charbit
- Cytometry and Biomarkers UTechS, CRT, Institut Pasteur, Université Paris Cité, Paris, France
| | - Stanley Kimbung Mbandi
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Elizabeth Filander
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Hadn Africa
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Violaine Saint-André
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France,Bioinformatics and Biostatistics HUB, Computational Biology Department, Institut Pasteur, Université Paris Cité, Paris, France
| | - Vincent Bondet
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France
| | - Pierre Bost
- Sorbonne Université, Complexité du vivant, Paris, France,Systems Biology Group, Computational Biology Department, Institut Pasteur, Université Paris Cité, Paris, France
| | - Humphrey Mulenga
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Nicole Bilek
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | | | - Thomas J. Scriba
- South African Tuberculosis Vaccine Initiative (SATVI), Division of Immunology, Department of Pathology and Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Darragh Duffy
- Translational Immunology Unit, Institut Pasteur, Université Paris Cité, Paris, France,Cytometry and Biomarkers UTechS, CRT, Institut Pasteur, Université Paris Cité, Paris, France,*Correspondence: Darragh Duffy,
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21
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Truong AD, Tran HTT, Nguyen HT, Chu NT, Hong YH, Lillehoj HS, Dang HV, Song KD. Molecular and functional characterization of chicken interleukin 1 receptor 2 (chIL-1R2). Poult Sci 2022; 102:102399. [PMID: 36586293 PMCID: PMC9811199 DOI: 10.1016/j.psj.2022.102399] [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: 08/17/2022] [Revised: 10/24/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
Interleukin-1 receptor type 2 (IL1R2) is a decoy receptor for exogenous IL-1. However, its functional role in chicken immunity is poorly understood. Herein, chicken IL-1R2 (chIL-1R2) was identified and functionally characterized in vivo and in vitro. The chIL-1R2 coding sequence includes 1,236 nucleotides encoding 412 amino acids, is highly conserved, and has a close relationship with its mammalian counterpart. Its extracellular region has three Ig-like domains but no TIR domain for intracellular signaling. Using ELISA, the recombinant chIL-1R2 protein was demonstrated to specifically bind to the chicken IL-1β. ChIL-1R2 mRNA expression was shown to be higher in the spleen, lung, kidney, small intestine, and liver. The expression of chIL-1R2 and chIL-1R1 was significantly upregulated in DF-1 cells treated with poly (I:C), but significantly downregulated in the presence of NF-κB, JNK, and MEK inhibitors, indicating that the NF-κB, JNK, and MEK signaling pathways are required for the transcriptional regulation of chIL-1R1 and chIL-1R2 expression. It is worth noting that while the p30 MAPK pathway was required for chIL-1R1 expression, it was not required for chIL-1R2 expression. Furthermore, chIL-1R2 expression increased as early as day 1, and then significantly decreased until day 3, while chIL-1R1 was dramatically upregulated in four organs of chickens infected with the highly pathogenic avian influenza virus (HPAIV). These findings indicate that chIL-1R1 and chIL-1R2 may play a crucial in innate and adaptive immune responses toward HPAIV infection. In summary the present study showed that chIL-1R2 binds to chIL-1β antibody. ChIL-1R2 expression can be induced by a viral infection, and may be regulated through NF-κB/JNK/MEK-mediated signaling pathways.
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Affiliation(s)
- Anh Duc Truong
- Department of Biochemistry and Immunology, National Institute of Veterinary Research, Dong Da, Ha Noi, 100000, Vietnam
| | - Ha Thi Thanh Tran
- Department of Biochemistry and Immunology, National Institute of Veterinary Research, Dong Da, Ha Noi, 100000, Vietnam
| | - Huyen Thi Nguyen
- Department of Biochemistry and Immunology, National Institute of Veterinary Research, Dong Da, Ha Noi, 100000, Vietnam
| | - Nhu Thi Chu
- Department of Biochemistry and Immunology, National Institute of Veterinary Research, Dong Da, Ha Noi, 100000, Vietnam
| | - Yeong Ho Hong
- Department of Animal Science and Technology, Chung-Ang University, Anseong, 17546, Republic of Korea
| | - Hyun S. Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Services, United States Department of Agriculture, Beltsville, MD 20705, USA
| | - Hoang Vu Dang
- Department of Biochemistry and Immunology, National Institute of Veterinary Research, Dong Da, Ha Noi, 100000, Vietnam
| | - Ki-Duk Song
- The Animal Molecular Genetics and Breeding Center & Department of Agricultural Convergence Technology, JeonBuk National University, Jeonju, 54896, Republic of Korea,Corresponding author:
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22
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Sylvester PA, Corbett JA, Tarakanova VL. T cell-extrinsic IL-1 signaling controls long-term gammaherpesvirus infection by suppressing viral reactivation. Virology 2022; 576:134-140. [PMID: 36244319 PMCID: PMC10069094 DOI: 10.1016/j.virol.2022.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/31/2022] [Accepted: 09/14/2022] [Indexed: 02/02/2023]
Abstract
Gammaherpesviruses establish life-long infection in over 95% of adults and are associated with several cancers, including B cell lymphomas. Using the murine gammaherpesvirus 68 (MHV68) animal model, we previously showed a pro-viral role of Interleukin-1 (IL-1) signaling that supported viral reactivation during the establishment of chronic infection. Unexpectedly, in this study we found that the proviral effects of IL-1 signaling originally observed during the establishment of chronic gammaherpesvirus infection convert to antiviral effects during the long-term stage of infection. Specifically, IL-1 signaling promoted expansion of antiviral CD8+ T cells and control of viral reactivation in the peritoneal cavity of a long-term infected host. Using a novel mouse model of T cell-specific IL-1 signaling deficiency, we found that the antiviral effects of IL-1 signaling were T cell extrinsic. Our study highlights a dynamic nature of host factors that shape the parameters of chronic gammaherpesvirus infection.
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Affiliation(s)
- P A Sylvester
- Department of Microbiology and Immunology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - J A Corbett
- Department of Biochemistry, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA
| | - V L Tarakanova
- Department of Microbiology and Immunology, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA; Cancer Center, Medical College of Wisconsin, 8701 Watertown Plank Road, Milwaukee, WI, 53226, USA.
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23
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Cui G, Shimba A, Jin J, Ogawa T, Muramoto Y, Miyachi H, Abe S, Asahi T, Tani-ichi S, Dijkstra JM, Iwamoto Y, Kryukov K, Zhu Y, Takami D, Hara T, Kitano S, Xu Y, Morita H, Zhang M, Zreka L, Miyata K, Kanaya T, Okumura S, Ito T, Hatano E, Takahashi Y, Watarai H, Oike Y, Imanishi T, Ohno H, Ohteki T, Minato N, Kubo M, Holländer GA, Ueno H, Noda T, Shiroguchi K, Ikuta K. A circulating subset of iNKT cells mediates antitumor and antiviral immunity. Sci Immunol 2022; 7:eabj8760. [DOI: 10.1126/sciimmunol.abj8760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Invariant natural killer T (iNKT) cells are a group of innate-like T lymphocytes that recognize lipid antigens. They are supposed to be tissue resident and important for systemic and local immune regulation. To investigate the heterogeneity of iNKT cells, we recharacterized iNKT cells in the thymus and peripheral tissues. iNKT cells in the thymus were divided into three subpopulations by the expression of the natural killer cell receptor CD244 and the chemokine receptor CXCR6 and designated as C0 (CD244
−
CXCR6
−
), C1 (CD244
−
CXCR6
+
), or C2 (CD244
+
CXCR6
+
) iNKT cells. The development and maturation of C2 iNKT cells from C0 iNKT cells strictly depended on IL-15 produced by thymic epithelial cells. C2 iNKT cells expressed high levels of IFN-γ and granzymes and exhibited more NK cell–like features, whereas C1 iNKT cells showed more T cell–like characteristics. C2 iNKT cells were influenced by the microbiome and aging and suppressed the expression of the autoimmune regulator AIRE in the thymus. In peripheral tissues, C2 iNKT cells were circulating that were distinct from conventional tissue-resident C1 iNKT cells. Functionally, C2 iNKT cells protected mice from the tumor metastasis of melanoma cells by enhancing antitumor immunity and promoted antiviral immune responses against influenza virus infection. Furthermore, we identified human CD244
+
CXCR6
+
iNKT cells with high cytotoxic properties as a counterpart of mouse C2 iNKT cells. Thus, this study reveals a circulating subset of iNKT cells with NK cell–like properties distinct from conventional tissue-resident iNKT cells.
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Affiliation(s)
- Guangwei Cui
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Akihiro Shimba
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Jianshi Jin
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research (BDR) , Osaka, Japan
| | - Taisaku Ogawa
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research (BDR) , Osaka, Japan
| | - Yukiko Muramoto
- Laboratory of Ultrastructural Virology, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Hitoshi Miyachi
- Reproductive Engineering Team, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Shinya Abe
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Takuma Asahi
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
- Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shizue Tani-ichi
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
- Department of Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Johannes M. Dijkstra
- Institute for Comprehensive Medical Science, Fujita Health University, Aichi, Japan
| | - Yayoi Iwamoto
- Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kirill Kryukov
- Biomedical Informatics Laboratory, Department of Molecular Life Science, Tokai University, Kanagawa, Japan
- Biological Networks Laboratory, Department of Informatics, National Institute of Genetics, Shizuoka, Japan
| | - Yuanbo Zhu
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Daichi Takami
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
- Graduate School of Pharmaceutical Science, Kyoto University, Kyoto, Japan
| | - Takahiro Hara
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Satsuki Kitano
- Reproductive Engineering Team, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Yan Xu
- Medical Innovation Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hajime Morita
- Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Moyu Zhang
- Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Lynn Zreka
- Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Keishi Miyata
- Department of Molecular Genetics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Takashi Kanaya
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
| | - Shinya Okumura
- Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Ito
- Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Etsuro Hatano
- Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yoshimasa Takahashi
- Research Center for Drug and Vaccine Development, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroshi Watarai
- Department of Immunology and Stem Cell Biology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Ishikawa, Japan
| | - Yuichi Oike
- Department of Molecular Genetics, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
| | - Tadashi Imanishi
- Biomedical Informatics Laboratory, Department of Molecular Life Science, Tokai University, Kanagawa, Japan
| | - Hiroshi Ohno
- Laboratory for Intestinal Ecosystem, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
| | - Toshiaki Ohteki
- Department of Biodefense Research, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Nagahiro Minato
- Medical Innovation Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masato Kubo
- Laboratory for Cytokine Regulation, RIKEN Center for Integrative Medical Sciences (IMS), Yokohama, Japan
- Division of Molecular Pathology, Research Institute for Biomedical Science, Tokyo University of Science, Chiba, Japan
| | - Georg A. Holländer
- Weatherall Institute of Molecular Medicine, University of Oxford, Oxford, UK
- Pediatric Immunology, Department of Biomedicine, University of Basel and University Children’s Hospital Basel, Basel, Switzerland
- Department of Biosystems Science and Engineering, ETH Zurich, Basel, Switzerland
| | - Hideki Ueno
- Department of Immunology, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takeshi Noda
- Laboratory of Ultrastructural Virology, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Katsuyuki Shiroguchi
- Laboratory for Prediction of Cell Systems Dynamics, RIKEN Center for Biosystems Dynamics Research (BDR) , Osaka, Japan
| | - Koichi Ikuta
- Laboratory of Immune Regulation, Department of Virus Research, Institute for Life and Medical Sciences, Kyoto University, Kyoto, Japan
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24
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Varghese PM, Kishore U, Rajkumari R. Innate and adaptive immune responses against Influenza A Virus: Immune evasion and vaccination strategies. Immunobiology 2022; 227:152279. [DOI: 10.1016/j.imbio.2022.152279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 08/31/2022] [Accepted: 09/07/2022] [Indexed: 11/25/2022]
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25
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Zhang M, Lu C, Su L, Long F, Yang X, Guo X, Song G, An T, Chen W, Chen J. Toosendanin activates caspase-1 and induces maturation of IL-1β to inhibit type 2 porcine reproductive and respiratory syndrome virus replication via an IFI16-dependent pathway. Vet Res 2022; 53:61. [PMID: 35906635 PMCID: PMC9334981 DOI: 10.1186/s13567-022-01077-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/20/2022] [Indexed: 11/11/2022] Open
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) is a prevalent and endemic swine pathogen which causes significant economic losses in the global swine industry. Multiple vaccines have been developed to prevent PRRSV infection. However, they provide limited protection. Moreover, no effective therapeutic drugs are yet available. Therefore, there is an urgent need to develop novel antiviral strategies to prevent PRRSV infection and transmission. Here we report that Toosendanin (TSN), a tetracyclic triterpene found in the bark or fruits of Melia toosendan Sieb. et Zucc., strongly suppressed type 2 PRRSV replication in vitro in Marc-145 cells and ex vivo in primary porcine alveolar macrophages (PAMs) at sub-micromolar concentrations. The results of transcriptomics revealed that TSN up-regulated the expression of IFI16 in Marc-145 cells. Furthermore, we found that IFI16 silencing enhanced the replication of PRRSV in Marc-145 cells and that the anti-PRRSV activity of TSN was dampened by IFI16 silencing, suggesting that the inhibition of TSN against PRRSV replication is IFI16-dependent. In addition, we showed that TSN activated caspase-1 and induced maturation of IL-1β in an IFI16-dependent pathway. To verify the role of IL-1β in PRRSV infection, we analyzed the effect of exogenous rmIL-1β on PRRSV replication, and the results showed that exogenous IL-1β significantly inhibited PRRSV replication in Marc-145 cells and PAMs in a dose-dependent manner. Altogether, our findings indicate that TSN significantly inhibits PRRSV replication at very low concentrations (EC50: 0.16–0.20 μM) and may provide opportunities for developing novel anti-PRRSV agents.
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Affiliation(s)
- Mingxin Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Chunni Lu
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Monash University, Clayton, VIC, 3168, Australia
| | - Lizhan Su
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Feixiang Long
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xia Yang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xiaofeng Guo
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Gaopeng Song
- College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
| | - Tongqing An
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150069, China
| | - Weisan Chen
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, 3086, Australia.
| | - Jianxin Chen
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
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26
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Pliasas VC, Menne Z, Aida V, Yin JH, Naskou MC, Neasham PJ, North JF, Wilson D, Horzmann KA, Jacob J, Skountzou I, Kyriakis CS. A Novel Neuraminidase Virus-Like Particle Vaccine Offers Protection Against Heterologous H3N2 Influenza Virus Infection in the Porcine Model. Front Immunol 2022; 13:915364. [PMID: 35874791 PMCID: PMC9300842 DOI: 10.3389/fimmu.2022.915364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/31/2022] [Indexed: 11/13/2022] Open
Abstract
Influenza A viruses (IAVs) pose a global health threat, contributing to hundreds of thousands of deaths and millions of hospitalizations annually. The two major surface glycoproteins of IAVs, hemagglutinin (HA) and neuraminidase (NA), are important antigens in eliciting neutralizing antibodies and protection against disease. However, NA is generally ignored in the formulation and development of influenza vaccines. In this study, we evaluate the immunogenicity and efficacy against challenge of a novel NA virus-like particles (VLPs) vaccine in the porcine model. We developed an NA2 VLP vaccine containing the NA protein from A/Perth/16/2009 (H3N2) and the matrix 1 (M1) protein from A/MI/73/2015, formulated with a water-in-oil-in-water adjuvant. Responses to NA2 VLPs were compared to a commercial adjuvanted quadrivalent whole inactivated virus (QWIV) swine IAV vaccine. Animals were prime boost vaccinated 21 days apart and challenged four weeks later with an H3N2 swine IAV field isolate, A/swine/NC/KH1552516/2016. Pigs vaccinated with the commercial QWIV vaccine demonstrated high hemagglutination inhibition (HAI) titers but very weak anti-NA antibody titers and subsequently undetectable NA inhibition (NAI) titers. Conversely, NA2 VLP vaccinated pigs demonstrated undetectable HAI titers but high anti-NA antibody titers and NAI titers. Post-challenge, NA2 VLPs and the commercial QWIV vaccine showed similar reductions in virus replication, pulmonary neutrophilic infiltration, and lung inflammation compared to unvaccinated controls. These data suggest that anti-NA immunity following NA2 VLP vaccination offers comparable protection to QWIV swine IAV vaccines inducing primarily anti-HA responses.
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Affiliation(s)
- Vasilis C. Pliasas
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
| | - Zach Menne
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
- Department of Microbiology and Immunology, School of Medicine, Emory University, Atlanta, GA, United States
| | - Virginia Aida
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
| | - Ji-Hang Yin
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Maria C. Naskou
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Peter J. Neasham
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
| | - J. Fletcher North
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
| | - Dylan Wilson
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Katharine A. Horzmann
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Joshy Jacob
- Department of Microbiology and Immunology, School of Medicine, Emory University, Atlanta, GA, United States
| | - Ioanna Skountzou
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
- Department of Microbiology and Immunology, School of Medicine, Emory University, Atlanta, GA, United States
- *Correspondence: Constantinos S. Kyriakis, ; Ioanna Skountzou,
| | - Constantinos S. Kyriakis
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
- Emory-UGA Center of Excellence for Influenza Research and Surveillance (CEIRS), Atlanta, GA, United States
- Center for Vaccines and Immunology, University of Georgia, Athens, GA, United States
- *Correspondence: Constantinos S. Kyriakis, ; Ioanna Skountzou,
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27
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Niu X, Wang H, Zhao L, Lian P, Bai Y, Li J, Qiao J. All-trans retinoic acid increases the pathogenicity of the H9N2 influenza virus in mice. Virol J 2022; 19:113. [PMID: 35764970 PMCID: PMC9238145 DOI: 10.1186/s12985-022-01809-y] [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: 12/17/2021] [Accepted: 05/08/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The H9N2 virus can infect not only birds but also humans. The pathogenicity of H9N2 virus infection is determined by an excessive immune response in the lung. All-trans retinoic acid (ATRA), the active metabolite of vitamin A, plays an important regulatory role and has been widely used in the clinical practice. This study was aimed to investigate whether ATRA could regulate the immune response to H9N2 virus infection in the lungs of mice, thereby reducing the pathogenicity of the H9N2 virus in mice. METHODS Mice were infected intranasally with H9N2 virus, and injected intraperitoneally with 0.2 mL of ATRA at low (1 mg/kg), medium (5 or 10 mg/kg), or high therapeutic dose (20 mg/kg), and toxic dose (40, 60, or 80 mg/kg), once per day for 10 days. Clinical signs, survival rates, and lung gross pathology were compared between the ATRA-treated H9N2-infected group, the ATRA group, and the H9N2-infected group, to investigate the effect of different doses of ATRA on the pathogenicity of H9N2 virus. Additionally, the viral load and cytokine concentration of lungs were measured at 3, 5, 7, and 9 days after infection, to investigate the potential mechanism of ATRA in affecting the pathogenicity of the H9N2 virus. Expression levels of cellular retinoic acid-binding protein 1 (CRABP1), cellular retinoic acid-binding protein 2 (CRABP2), and Retinoic acid-inducible gene-I (RIG-I) were detected using Western blotting. RESULTS The ATRA-treated H9N2-infected mice showed more severe clinical signs compared with the H9N2-infected group. The medium and high therapeutic doses of ATRA reduced the survival rates, aggravated lung tissue damage, decreased the expression of interferon beta (IFN-β), and increased the concentrations of interleukin-1 beta (IL-1β), tumor necrosis factor alpha (TNF-α), and C-C motif chemokine ligand 2 (CCL2) in the lungs of the H9N2-infected mice. At the same time, the expression patterns of CRABP1, CRABP2, and RIG-I were changed in mice infected by H9N2 and treated with different concentrations of ATRA. CONCLUSIONS Our findings suggest that the therapeutic dose of ATRA can increase the pathogenicity of the H9N2 virus. Therefore, the consequences of those infected by influenza virus would be more severe after ATRA treatment.
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Affiliation(s)
- Xiaofei Niu
- Department of Pathophysiology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, People's Republic of China.,Department of Veterinary Medicine, College of Life Sciences and Food Engineering, Hebei University of Engineering, No. 19 Taiji Road, Economic and Technological Development Zone, Handan, 056038, People's Republic of China
| | - Hongyan Wang
- Department of Veterinary Medicine, College of Life Sciences and Food Engineering, Hebei University of Engineering, No. 19 Taiji Road, Economic and Technological Development Zone, Handan, 056038, People's Republic of China
| | - Lihong Zhao
- Department of Pathophysiology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, People's Republic of China
| | - Pengjing Lian
- Department of Pathophysiology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, People's Republic of China
| | - Yu Bai
- Department of Pathophysiology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, People's Republic of China
| | - Jingyun Li
- Department of Pathophysiology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, People's Republic of China
| | - Jian Qiao
- Department of Pathophysiology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, People's Republic of China.
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Declercq J, De Leeuw E, Lambrecht BN. Inflammasomes and IL-1 family cytokines in SARS-CoV-2 infection: From prognostic marker to therapeutic agent. Cytokine 2022; 157:155934. [PMID: 35709568 PMCID: PMC9170572 DOI: 10.1016/j.cyto.2022.155934] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 06/01/2022] [Accepted: 06/02/2022] [Indexed: 01/08/2023]
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Geng J, Hu X, Zhang Z, Gu Z, Li Y, Mou X, Mao L, Ge Y, Yang X, Song Y, Liu H, Wang L, Wei Z, Wang Z, Xu H. Discovery and pharmacodynamic evaluation of the novel butene lactone derivative M355 against influenza A virus in vitro and in vivo. J Med Virol 2022; 94:4393-4405. [PMID: 35560068 DOI: 10.1002/jmv.27853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/26/2022] [Accepted: 05/02/2022] [Indexed: 11/06/2022]
Abstract
A new series of butene lactone derivatives were designed according to an influenza neuraminidase target and their antiviral activities against H1N1 infection of MDCK cells were evaluated. Among them, a compound that was given the name M355 was identified as the most potent against H1N1 (EC50 = 14.7 μM) with low toxicity (CC50 = 538.13 μM). It also visibly reduced the virus-induced cytopathic effect. Time-of-addition analysis indicated that H1N1 was mostly suppressed by M355 at the late stage of its infectious cycle. M355 inhibited neuraminidase in a dose-dependent fashion to a similar extent as oseltamivir, which was also indicated by computer modeling experiment. In a mouse model, lung lesions and virus load were reduced and the expression of nucleoprotein was moderated by M355. The ELISA and qRT-PCR analyses revealed that the levels of IFN-γ, IRF-3, TLR-3, TNF-α, IL-1β, IL-6 and IL-8 were down-regulated in the M355-treated groups, whereas the levels of IL-10 and IL-13 were up-regulated. Similarly, IgG was found to be increased in infected mice plasma. These results demonstrate that M355 inhibit the expression of H1N1 in both cellular and animal models. Thus, M355 has the potential to be effective in the treatment of influenza A virus infection. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jingwei Geng
- Zhongyuan District Center for Disease Control and Prevention of Zhengzhou, Zhengzhou, 450006, China
| | - Xiaoning Hu
- Binzhou People's Hospital, Binzhou, 256610, Shandong Province, China
| | - Zhongmou Zhang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Zichen Gu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Yuanyuan Li
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiaodong Mou
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China
| | - Lu Mao
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Yongzhuang Ge
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Xinyu Yang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China
| | - Yihui Song
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China
| | - Hongmin Liu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Linqing Wang
- Zhengzhou Key Laboratory of molecular biology, Zhengzhou Normal University, Zhengzhou, 450044, China
| | - Zhanyong Wei
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, China
| | - Zhenya Wang
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
| | - Haiwei Xu
- Collaborative Innovation Center of New Drug Research and Safety Evaluation, Henan Province; Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, 450001, China.,Key Laboratory of "Runliang" Antiviral Medicines Research and Development, Institute of Drug Discovery & Development, Zhengzhou University, Zhengzhou, 450001, China
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Roach SN, Fiege JK, Shepherd FK, Wiggen TD, Hunter RC, Langlois RA. Respiratory Influenza Virus Infection Causes Dynamic Tuft Cell and Innate Lymphoid Cell Changes in the Small Intestine. J Virol 2022; 96:e0035222. [PMID: 35446142 PMCID: PMC9093116 DOI: 10.1128/jvi.00352-22] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 03/30/2022] [Indexed: 12/13/2022] Open
Abstract
Influenza A viruses (IAV) can cause severe disease and death in humans. IAV infection and the accompanying immune response can result in systemic inflammation, leading to intestinal damage and disruption of the intestinal microbiome. Here, we demonstrate that a specific subset of epithelial cells, tuft cells, increase across the small intestine during active respiratory IAV infection. Upon viral clearance, tuft cell numbers return to baseline levels. Intestinal tuft cell increases were not protective against disease, as animals with either increased tuft cells or a lack of tuft cells did not have any change in disease morbidity after infection. Respiratory IAV infection also caused transient increases in type 1 and 2 innate lymphoid cells (ILC1 and ILC2, respectively) in the small intestine. ILC2 increases were significantly blunted in the absence of tuft cells, whereas ILC1s were unaffected. Unlike the intestines, ILCs in the lungs were not altered in the absence of tuft cells. This work establishes that respiratory IAV infection causes dynamic changes to tuft cells and ILCs in the small intestines and that tuft cells are necessary for the infection-induced increase in small intestine ILC2s. These intestinal changes in tuft cell and ILC populations may represent unexplored mechanisms preventing systemic infection and/or contributing to severe disease in humans with preexisting conditions. IMPORTANCE Influenza A virus (IAV) is a respiratory infection in humans that can lead to a wide range of symptoms and disease severity. Respiratory infection can cause systemic inflammation and damage in the intestines. Few studies have explored how inflammation alters the intestinal environment. We found that active infection caused an increase in the epithelial population called tuft cells as well as type 1 and 2 innate lymphoid cells (ILCs) in the small intestine. In the absence of tuft cells, this increase in type 2 ILCs was seriously blunted, whereas type 1 ILCs still increased. These findings indicate that tuft cells are necessary for infection-induced changes in small intestine type 2 ILCs and implicate tuft cells as regulators of the intestinal environment in response to systemic inflammation.
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Affiliation(s)
- Shanley N. Roach
- Biochemistry, Molecular Biology, and Biophysics Graduate Program, University of Minnesota, Minneapolis, Minnesota, USA
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Jessica K. Fiege
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA
- Center for Immunology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Frances K. Shepherd
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Talia D. Wiggen
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Ryan C. Hunter
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA
| | - Ryan A. Langlois
- Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA
- Center for Immunology, University of Minnesota, Minneapolis, Minnesota, USA
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Huang Z, Li H, Liu S, Jia J, Zheng Y, Cao B. Identification of Neutrophil-Related Factor LCN2 for Predicting Severity of Patients With Influenza A Virus and SARS-CoV-2 Infection. Front Microbiol 2022; 13:854172. [PMID: 35495713 PMCID: PMC9039618 DOI: 10.3389/fmicb.2022.854172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/14/2022] [Indexed: 01/14/2023] Open
Abstract
Background Influenza and COVID-19 are respiratory infectious diseases that are characterized by high contagiousness and high mutation and pose a serious threat to global health. After Influenza A virus (IAV) and SARS-CoV-2 infection, severe cases may develop into acute lung injury. Immune factors act as an important role during infection and inflammation. However, the molecular immune mechanisms still remain unclear. We aimed to explore immune-related host factors and core biomarker for severe infection, to provide a new therapeutic target of host factor in patients. Methods Gene expression profiles were obtained from Gene Expression Omnibus and the Seurat R package was used for data process of single-cell transcriptome. Differentially expressed gene analysis and cell cluster were used to explore core host genes and source cells of genes. We performed Gene Ontology enrichment, Kyoto Encyclopedia of Genes and Genomes analysis, and gene set enrichment analysis to explore potential biological functions of genes. Gene set variation analysis was used to evaluate the important gene set variation score for different samples. We conduct Enzyme-linked immunosorbent assay (ELISA) to test plasma concentrations of Lipocalin 2 (LCN2). Results Multiple virus-related, cytokine-related, and chemokine-related pathways involved in process of IAV infection and inflammatory response mainly derive from macrophages and neutrophils. LCN2 mainly in neutrophils was significantly upregulated after either IAV or SARS-CoV-2 infection and positively correlated with disease severity. The plasma LCN2 of influenza patients were elevated significantly compared with healthy controls by ELISA and positively correlated with disease severity of influenza patients. Further bioinformatics analysis revealed that LCN2 involved in functions of neutrophils, including neutrophil degranulation, neutrophil activation involved in immune response, and neutrophil extracellular trap formation. Conclusion The neutrophil-related LCN2 could be a promising biomarker for predicting severity of patients with IAV and SARS-CoV-2 infection and may as a new treatment target in severe patients.
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Affiliation(s)
- Zhisheng Huang
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Hui Li
- Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Shuai Liu
- Department of Respiratory and Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Ju Jia
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China
| | - Ying Zheng
- Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China
| | - Bin Cao
- Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, China.,Department of Pulmonary and Critical Care Medicine, Center for Respiratory Diseases, China-Japan Friendship Hospital, Beijing, China.,China-Japan Friendship Hospital, National Clinical Research Center for Respiratory Diseases, Clinical Center for Pulmonary Infections, Capital Medical University, Beijing, China
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32
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Nguyen TK, Niaz Z, Kruzel ML, Actor JK. Recombinant Human Lactoferrin Reduces Inflammation and Increases Fluoroquinolone Penetration to Primary Granulomas During Mycobacterial Infection of C57Bl/6 Mice. Arch Immunol Ther Exp (Warsz) 2022; 70:9. [PMID: 35226195 PMCID: PMC8922470 DOI: 10.1007/s00005-022-00648-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/18/2021] [Indexed: 12/15/2022]
Abstract
Infection with Mycobacterium tuberculosis (Mtb) results in the primary formation of a densely packed inflammatory foci that limits entry of therapeutic agents into pulmonary sites where organisms reside. No current therapeutic regimens exist that modulate host immune responses to permit increased drug penetration to regions of pathological damage during tuberculosis disease. Lactoferrin is a natural iron-binding protein previously demonstrated to modulate inflammation and granuloma cohesiveness, while maintaining control of pathogenic burden. Studies were designed to examine recombinant human lactoferrin (rHLF) to modulate histological progression of Mtb-induced pathology in a non-necrotic model using C57Bl/6 mice. The rHLF was oral administered at times corresponding to initiation of primary granulomatous response, or during granuloma maintenance. Treatment with rHLF demonstrated significant reduction in size of primary inflammatory foci following Mtb challenge, and permitted penetration of ofloxacin fluoroquinolone therapeutic to sites of pathological disruption where activated (foamy) macrophages reside. Increased drug penetration was accompanied by retention of endothelial cell integrity. Immunohistochemistry revealed altered patterns of M1-like and M2-like phenotypic cell localization post infectious challenge, with increased presence of M2-like markers found evenly distributed throughout regions of pulmonary inflammatory foci in rHLF-treated mice.
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Affiliation(s)
- Thao K.T. Nguyen
- Department of Pathology and Laboratory Medicine, UTHealth McGovern Medical School, Houston, TX, USA,The University of Texas MD Anderson Cancer Center – UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA
| | - Zainab Niaz
- Department of Pathology and Laboratory Medicine, UTHealth McGovern Medical School, Houston, TX, USA
| | - Marian L. Kruzel
- Department of Pathology and Laboratory Medicine, UTHealth McGovern Medical School, Houston, TX, USA
| | - Jeffrey K. Actor
- Department of Pathology and Laboratory Medicine, UTHealth McGovern Medical School, Houston, TX, USA
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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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Stasko N, Cockrell AS, Kocher JF, Henson I, Emerson D, Wang Y, Smith JR, Henderson NH, Wood H, Bradrick SS, Jones T, Santander J, McNeil JG. A randomized, controlled, feasibility study of RD-X19 in subjects with mild-to-moderate COVID-19 in the outpatient setting. Clin Transl Sci 2022; 15:1291-1303. [PMID: 35137532 PMCID: PMC9099126 DOI: 10.1111/cts.13249] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 11/28/2022] Open
Abstract
The RD-X19 is an investigational, handheld medical device precisely engineered to emit blue light through the oral cavity to target the oropharynx and surrounding tissues. At doses shown to be non-cytotoxic in an in vitro 3-dimensional human epithelial tissue model, the monochromatic visible light delivered by RD-X19 results in light-initiated expression of immune stimulating cytokines IL-1α and IL-1β, with corresponding inhibition of SARS-CoV-2 replication. A single exposure of 425 nm blue light at 60 J/cm2 led to >99% reductions against all SARS-CoV-2 strains tested in vitro, including the more transmissible (Alpha) and immune evasive (Beta) variants. These preclinical findings along with other studies led to a randomized, double-blind, sham-controlled early feasibility study using the investigational device as a treatment for outpatients with mild to moderate COVID-19. The study enrolled 31 subjects with a positive SARS-CoV-2 antigen test and at least two moderate COVID-19 signs and symptoms at baseline. Subjects were randomized 2:1 (RD-X19: sham) and treated twice daily for four days. Efficacy outcome measures included assessments of SARS-CoV-2 saliva viral load and clinical assessments of COVID-19. There were no local application site reactions and no device-related adverse events. At the end of study (Day 8), the mean change in log10 viral load was -3.29 for RD-X19 and -1.81 for sham, demonstrating a treatment benefit of -1.48 logs [95% confidence internal (CI), -2.88 to -0.071, nominal p=0.040]. Among the clinical outcome measures, differences between RD-X19 and sham were also observed, with a 57-hour reduction of median time to sustained resolution of COVID-19 signs and symptoms (log rank test, nominal p=0.044).
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Affiliation(s)
| | | | | | | | | | - Ye Wang
- Symbio, LLC, Port Jefferson, New York, USA
| | | | | | | | | | - Terry Jones
- J&S Studies, Inc., College Station, Texas, USA
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Engeroff P, Belbézier A, Monsel A, Klatzmann D. Anakinra reduces lung inflammation in experimental acute lung injury. Immun Inflamm Dis 2022; 10:123-129. [PMID: 34889061 PMCID: PMC8767508 DOI: 10.1002/iid3.548] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 09/17/2021] [Accepted: 10/05/2021] [Indexed: 01/17/2023] Open
Abstract
Introduction Acute respiratory distress syndrome (ARDS) is a severe form of acute lung injury (ALI) resulting in life‐threatening hypoxaemia. Although ARDS can be caused by a variety of pathogens or major trauma, it is best known as the major cause of mortality in COVID‐19 patients. Since ARDS is often associated with dysregulated inflammatory immune responses, immunomodulatory approaches represent a possible treatment option. The objective of this study was to evaluate the therapeutic potential of interleukin (IL)‐1 blockade using Anakinra in a mouse model of lipopolysaccharide (LPS)‐induced ALI. Methods We evaluated the effects of a daily subcutaneous Anakinra treatment in a mouse model of LPS‐induced ALI. We monitored body weight to assess the general health status of the mice. Two days after ALI induction, we evaluated the inflammatory cytokine MIP‐2 as well as protein levels in bronchoalveolar lavage (BAL) fluids. Two and nine days after ALI induction, we evaluated infiltrating leukocytes in BAL fluid and lung tissue. Results Anakinra treatment reduced ALI‐induced weight loss compared to nontreated groups. At Day 2, Anakinra treatment reduced levels of MIP‐2 and protein in BAL fluids and reduced frequencies of NK cells and neutrophils in the lung tissue. Nine days after ALI induction, Anakinra treated mice displayed reduced levels of neutrophils and alveolar macrophages in BAL fluids. Conclusions IL‐1 blockade using Anakinra reduced classical hallmarks of inflammation in a mouse model of ALI. Our data support ongoing and future research on the evaluation of Anakinra as a potential treatment option in ARDS.
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Affiliation(s)
- Paul Engeroff
- INSERM, Immunology-Immunopathology-Immunotherapy Department (i3), Sorbonne Université, Paris, France
| | - Aude Belbézier
- INSERM, Immunology-Immunopathology-Immunotherapy Department (i3), Sorbonne Université, Paris, France
| | - Antoine Monsel
- INSERM, Immunology-Immunopathology-Immunotherapy Department (i3), Sorbonne Université, Paris, France.,Multidisciplinary Intensive Care Unit, Department of Anesthesiology and Critical Care, AP-HP, Hôpital Pitié-Salpêtrière, Paris, France
| | - David Klatzmann
- INSERM, Immunology-Immunopathology-Immunotherapy Department (i3), Sorbonne Université, Paris, France.,Biotherapy (CIC-BTi) and Inflammation-Immunopathology-Biotherapy Department (i2B), AP-HP, Hôpital Pitié-Salpêtrière, Paris, France
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Aleebrahim-Dehkordi E, Molavi B, Mokhtari M, Deravi N, Fathi M, Fazel T, Mohebalizadeh M, Koochaki P, Shobeiri P, Hasanpour-Dehkordi A. T helper type (Th1/Th2) responses to SARS-CoV-2 and influenza A (H1N1) virus: From cytokines produced to immune responses. Transpl Immunol 2022; 70:101495. [PMID: 34774738 PMCID: PMC8579696 DOI: 10.1016/j.trim.2021.101495] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 11/04/2021] [Accepted: 11/06/2021] [Indexed: 01/08/2023]
Abstract
Cytokines produced by T helper cells (Th cells) have essential roles in the body's defense against viruses. Type 1 T helper (Th1) cells are essential for the host defense toward intracellular pathogens while T helper type 2 (Th2) cells are considered to be critical for the helminthic parasites' elimination swine-origin influenza A (H1N1) virus, a disease led to an epidemic in 2009 and rapidly spread globally via human-to-human transmission. Coronavirus disease 2019 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused a global pandemic in 2020 and is a serious threat to the public health. Pulmonary immunopathology is the leading cause of death during influenza and SARS-CoV-2 epidemics and pandemics. Influenza and SARS-CoV-2 cause high levels of cytokines in the lung. Both inadequate levels and high levels of specific cytokines can have side effects. In this literature review article, we want to compare the Th1 and Th2 cells responses in SARS-CoV-2 and H1N1.
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Affiliation(s)
- Elahe Aleebrahim-Dehkordi
- Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.
| | - Bahareh Molavi
- Department of Anesthesiology, Faculty of Paramedical, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Melika Mokhtari
- Dental Faculty, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Niloofar Deravi
- Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran; School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mobina Fathi
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Tara Fazel
- school of international campus, Guilan University of Medical Sciences, Rasht, Iran
| | - Mehdi Mohebalizadeh
- Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran
| | - Pooneh Koochaki
- Islamic Azad University, Tehran Medical Science Branch, faculty of medicine, Tehran, Iran
| | - Parnian Shobeiri
- School of Medicine, Tehran University of Medical Sciences (TUMS), Tehran, Iran.; Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran; Non-Communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Research Center for Immunodeficiencies, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hasanpour-Dehkordi
- Social Determinants of Health Research Center, School of Allied Medical Sciences, Shahrekord University of Medical Sciences, Shahrekord, Iran..
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Zhang Y, Wang Q, Mackay CR, Ng LG, Kwok I. Neutrophil subsets and their differential roles in viral respiratory diseases. J Leukoc Biol 2022; 111:1159-1173. [PMID: 35040189 PMCID: PMC9015493 DOI: 10.1002/jlb.1mr1221-345r] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 12/28/2021] [Accepted: 01/04/2022] [Indexed: 12/19/2022] Open
Abstract
Neutrophils play significant roles in immune homeostasis and as neutralizers of microbial infections. Recent evidence further suggests heterogeneity of neutrophil developmental and activation states that exert specialized effector functions during inflammatory disease conditions. Neutrophils can play multiple roles during viral infections, secreting inflammatory mediators and cytokines that contribute significantly to host defense and pathogenicity. However, their roles in viral immunity are not well understood. In this review, we present an overview of neutrophil heterogeneity and its impact on the course and severity of viral respiratory infectious diseases. We focus on the evidence demonstrating the crucial roles neutrophils play in the immune response toward respiratory infections, using influenza as a model. We further extend the understanding of neutrophil function with the studies pertaining to COVID‐19 disease and its neutrophil‐associated pathologies. Finally, we discuss the relevance of these results for future therapeutic options through targeting and regulating neutrophil‐specific responses.
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Affiliation(s)
- Yuning Zhang
- Department of Research, National Skin Centre, Singapore, Singapore
| | - Quanbo Wang
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Charles R Mackay
- School of Pharmaceutical Sciences, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.,Department of Microbiology, Infection and Immunity Program, Biomedicine Discovery Institute, Monash University, Melbourne, Australia
| | - Lai Guan Ng
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, Singapore.,State Key Laboratory of Experimental Hematology, Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin, China.,School of Biological Sciences, Nanyang Technological University, Singapore, Singapore.,Department of Microbiology and Immunology, Immunology Translational Research Program, Yong Loo Lin School of Medicine, Immunology Program, Life Sciences Institute, National University of Singapore, Singapore, Singapore.,National Cancer Centre Singapore, Singapore, Singapore
| | - Immanuel Kwok
- Singapore Immunology Network (SIgN), A*STAR (Agency for Science, Technology and Research), Biopolis, Singapore
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38
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Zhang BD, Wu JJ, Li WH, Hu HG, Zhao L, He PY, Zhao YF, Li YM. STING and TLR7/8 agonists-based nanovaccines for synergistic antitumor immune activation. NANO RESEARCH 2022; 15:6328-6339. [PMID: 35464625 PMCID: PMC9014842 DOI: 10.1007/s12274-022-4282-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 05/07/2023]
Abstract
UNLABELLED Immunostimulatory therapies based on pattern recognition receptors (PRRs) have emerged as an effective approach in the fight against cancer, with the ability to recruit tumor-specific lymphocytes in a low-immunogenicity tumor environment. The agonist cyclic dinucleotides (CDNs) of the stimulator of interferon gene (STING) are a group of very promising anticancer molecules that increase tumor immunogenicity by activating innate immunity. However, the tumor immune efficacy of CDNs is limited by several factors, including relatively narrow cytokine production, inefficient delivery to STING, and rapid clearance. In addition, a single adjuvant molecule is unable to elicit a broad cytokine response and thus cannot further amplify the anticancer effect. To address this problem, two or more agonist molecules are often used together to synergistically enhance immune efficacy. In this work, we found that a combination of the STING agonist CDGSF and the Toll-like receptor 7/8 (TLR7/8) agonist 522 produced a broader cytokine response. Subsequently, we developed multicomponent nanovaccines (MCNVs) consisting of a PC7A polymer as a nanocarrier encapsulating the antigen OVA and adjuvant molecules. These MCNVs activate bone marrow-derived dendritic cells (BMDCs) to produce multiple proinflammatory factors that promote antigen cross-presentation to stimulate specific antitumor T-cell responses. In in vivo experiments, we observed that MCNVs triggered a strong T-cell response in tumor-infiltrating lymphocytes, resulting in significant tumor regression and, notably, a 100% survival rate in mice through 25 days without other partnering therapies. These data suggest that our nanovaccines have great potential to advance cancer immunotherapy with increased durability and potency. ELECTRONIC SUPPLEMENTARY MATERIAL Supplementary material (synthesis of CDGSF, 522, PC7A and OVA; preparation of MCNVs; representative gating strategies for flow cytometry) is available in the online version of this article at 10.1007/s12274-022-4282-x.
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Affiliation(s)
- Bo-Dou Zhang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
| | - Jun-Jun Wu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
| | - Wen-Hao Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
| | - Hong-Guo Hu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
| | - Lang Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
| | - Pei-Yang He
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
| | - Yu-Fen Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, 315201 China
| | - Yan-Mei Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology, Tsinghua University, Beijing, 100084 China
- Beijing Institute for Brain Disorders, Beijing, 100069 China
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Hooftman A, O'Neill LAJ. Can NLRP3 inhibitors improve on dexamethasone for the treatment of COVID-19? CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2021; 2:100048. [PMID: 34870152 PMCID: PMC8390447 DOI: 10.1016/j.crphar.2021.100048] [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: 07/02/2021] [Revised: 08/13/2021] [Accepted: 08/26/2021] [Indexed: 12/15/2022] Open
Abstract
Dexamethasone, a corticosteroid, has been approved for use in the treatment of severe COVID-19, which is characterised by hyperinflammation and associated lung damage. However, dexamethasone shows no clinical benefit in the treatment of less severe disease, and prolonged treatment may lead to immunosuppression and an increased risk of opportunistic infections. Hence there is a need for more specific anti-inflammatory therapies which also prevent severe disease. The NLRP3 inflammasome is an intracellular signalling complex which is responsible for the cleavage and release of the cytokines IL-1β and IL-18 and has also been shown to be inhibited by dexamethasone. NLRP3 inflammasome activation is strongly correlated with COVID-19 severity and part of dexamethasone's clinical effect in COVID-19 may be via NLRP3 inhibition. Specific NLRP3 inhibitors are currently undergoing clinical trials for the treatment of COVID-19. In this review, we evaluate the evidence supporting the use of dexamethasone and speculate on the potential use of NLRP3 inhibitors to treat COVID-19 as a more specific approach that may not have the liabilities of dexamethasone.
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Affiliation(s)
- Alexander Hooftman
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Luke A J O'Neill
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
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40
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Almutairi F, Sarr D, Tucker SL, Fantone K, Lee JK, Rada B. RGS10 Reduces Lethal Influenza Infection and Associated Lung Inflammation in Mice. Front Immunol 2021; 12:772288. [PMID: 34912341 PMCID: PMC8667315 DOI: 10.3389/fimmu.2021.772288] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 11/10/2021] [Indexed: 01/05/2023] Open
Abstract
Seasonal influenza epidemics represent a significant global health threat. The exacerbated immune response triggered by respiratory influenza virus infection causes severe pulmonary damage and contributes to substantial morbidity and mortality. Regulator of G-protein signaling 10 (RGS10) belongs to the RGS protein family that act as GTPase activating proteins for heterotrimeric G proteins to terminate signaling pathways downstream of G protein-coupled receptors. While RGS10 is highly expressed in immune cells, in particular monocytes and macrophages, where it has strong anti-inflammatory effects, its physiological role in the respiratory immune system has not been explored yet. Here, we show that Rgs10 negatively modulates lung immune and inflammatory responses associated with severe influenza H1N1 virus respiratory infection in a mouse model. In response to influenza A virus challenge, mice lacking RGS10 experience enhanced weight loss and lung viral titers, higher mortality and significantly faster disease onset. Deficiency of Rgs10 upregulates the levels of several proinflammatory cytokines and chemokines and increases myeloid leukocyte accumulation in the infected lung, markedly neutrophils, monocytes, and inflammatory monocytes, which is associated with more pronounced lung damage. Consistent with this, influenza-infected Rgs10-deficent lungs contain more neutrophil extracellular traps and exhibit higher neutrophil elastase activities than wild-type lungs. Overall, these findings propose a novel, in vivo role for RGS10 in the respiratory immune system controlling myeloid leukocyte infiltration, viral clearance and associated clinical symptoms following lethal influenza challenge. RGS10 also holds promise as a new, potential therapeutic target for respiratory infections.
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Affiliation(s)
- Faris Almutairi
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
- Department of Pharmaceutical and Biomedical Sciences, College of Pharmacy, University of Georgia, Athens, GA, United States
| | - Demba Sarr
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Samantha L. Tucker
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Kayla Fantone
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Jae-Kyung Lee
- Department of Physiology and Pharmacology, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
| | - Balázs Rada
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, Athens, GA, United States
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41
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Rouhani SJ, Trujillo JA, Pyzer AR, Yu J, Fessler J, Cabanov A, Higgs EF, Cron KR, Zha Y, Lu Y, Bloodworth JC, Abasiyanik MF, Okrah S, Flood BA, Hatogai K, Leung MY, Pezeshk A, Kozloff L, Reschke R, Strohbehn GW, Chervin CS, Kumar M, Schrantz S, Madariaga ML, Beavis KG, Yeo KTJ, Sweis RF, Segal J, Tay S, Izumchenko E, Mueller J, Chen LS, Gajewski TF. Severe COVID-19 infection is associated with aberrant cytokine production by infected lung epithelial cells rather than by systemic immune dysfunction. RESEARCH SQUARE 2021:rs.3.rs-1083825. [PMID: 34845442 PMCID: PMC8629200 DOI: 10.21203/rs.3.rs-1083825/v1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The mechanisms explaining progression to severe COVID-19 remain poorly understood. It has been proposed that immune system dysregulation/over-stimulation may be implicated, but it is not clear how such processes would lead to respiratory failure. We performed comprehensive multiparameter immune monitoring in a tightly controlled cohort of 128 COVID-19 patients, and used the ratio of oxygen saturation to fraction of inspired oxygen (SpO2 / FiO2) as a physiologic measure of disease severity. Machine learning algorithms integrating 139 parameters identified IL-6 and CCL2 as two factors predictive of severe disease, consistent with the therapeutic benefit observed with anti-IL6-R antibody treatment. However, transcripts encoding these cytokines were not detected among circulating immune cells. Rather, in situ analysis of lung specimens using RNAscope and immunofluorescent staining revealed that elevated IL-6 and CCL2 were dominantly produced by infected lung type II pneumocytes. Severe disease was not associated with higher viral load, deficient antibody responses, or dysfunctional T cell responses. These results refine our understanding of severe COVID-19 pathophysiology, indicating that aberrant cytokine production by infected lung epithelial cells is a major driver of immunopathology. We propose that these factors cause local immune regulation towards the benefit of the virus.
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Affiliation(s)
- Sherin J Rouhani
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Jonathan A Trujillo
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Athalia R Pyzer
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Jovian Yu
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Jessica Fessler
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Alexandra Cabanov
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Emily F Higgs
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Kyle R Cron
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Yuanyuan Zha
- The Human Immunological Monitoring Facility, University of Chicago, Chicago, IL 60637
| | - Yihao Lu
- Department of Public Health Sciences, The University of Chicago, Chicago, IL 60637
| | - Jeffrey C Bloodworth
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | | | - Susan Okrah
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Blake A Flood
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Ken Hatogai
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Michael Yk Leung
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Apameh Pezeshk
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Lara Kozloff
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Robin Reschke
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Garth W Strohbehn
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Carolina Soto Chervin
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Madan Kumar
- Department of Pediatrics, Section of Infectious Diseases, University of Chicago
| | - Stephen Schrantz
- Department of Medicine, Section of Infectious Diseases, University of Chicago
| | | | - Kathleen G Beavis
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Kiang-Teck J Yeo
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Randy F Sweis
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Jeremy Segal
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Savaş Tay
- Pritzker School of Molecular Engineering, University of Chicago, Chicago, IL, USA
| | - Evgeny Izumchenko
- Department of Medicine, Section of Hematology/Oncology, University of Chicago, Chicago, IL
| | - Jeffrey Mueller
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
| | - Lin S Chen
- Department of Public Health Sciences, The University of Chicago, Chicago, IL 60637
| | - Thomas F Gajewski
- Department of Pathology, University of Chicago, 5841 S. Maryland Ave, MC2115, Chicago, IL
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Kim DH, Kim HY, Lee WW. Induction of Unique STAT Heterodimers by IL-21 Provokes IL-1RI Expression on CD8 + T Cells, Resulting in Enhanced IL-1β Dependent Effector Function. Immune Netw 2021; 21:e33. [PMID: 34796037 PMCID: PMC8568912 DOI: 10.4110/in.2021.21.e33] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/11/2021] [Accepted: 08/23/2021] [Indexed: 12/24/2022] Open
Abstract
IL-1β plays critical roles in the priming and effector phases of immune responses such as the differentiation, commitment, and memory formation of T cells. In this context, several reports have suggested that the IL-1β signal is crucial for CTL-mediated immune responses to viral infections and tumors. However, little is known regarding whether IL-1β acts directly on CD8+ T cells and what the molecular mechanisms underlying expression of IL-1 receptors (IL-1Rs) on CD8+ T cells and features of IL-1R+CD8+ T cells are. Here, we provide evidence that the expression of IL-1R type I (IL-1RI), the functional receptor of IL-1β, is preferentially induced by IL-21 on TCR-stimulated CD8+ T cells. Further, IL-1β enhances the effector function of CD8+ T cells expressing IL-21-induced IL-1RI by increasing cytokine production and release of cytotoxic granules containing granzyme B. The IL-21-IL-1RI-IL-1β axis is involved in an augmented effector function through regulation of transcription factors BATF, Blimp-1, and IRF4. Moreover, this axis confers a unique effector function to CD8+ T cells compared to conventional type 1 cytotoxic T cells differentiated with IL-12. Chemical inhibitor and immunoprecipitation assay demonstrated that IL-21 induces a unique pattern of STAT activation with the formation of both STAT1:STAT3 and STAT3:STAT5 heterodimers, which are critical for the induction of IL-1RI on TCR-stimulated CD8+ T cells. Taken together, we propose that induction of a novel subset of IL-1RI-expressing CD8+ T cells by IL-21 may be beneficial to the protective immune response against viral infections and is therefore important to consider for vaccine design.
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Affiliation(s)
- Dong Hyun Kim
- Laboratory of Autoimmunity and Inflammation (LAI), Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Hee Young Kim
- Laboratory of Autoimmunity and Inflammation (LAI), Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul 03080, Korea.,Institute of Infectious Diseases, Seoul National University College of Medicine, Seoul 03080, Korea
| | - Won-Woo Lee
- Laboratory of Autoimmunity and Inflammation (LAI), Department of Biomedical Sciences, Seoul National University College of Medicine, Seoul 03080, Korea.,Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul 03080, Korea.,Institute of Infectious Diseases, Seoul National University College of Medicine, Seoul 03080, Korea.,Cancer Research Institute and Ischemic/Hypoxic Disease Institute, Seoul National University College of Medicine, Seoul 03080, Korea.,Seoul National University Hospital Biomedical Research Institute, Seoul 03080, Korea
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43
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Wang Y, Karki R, Zheng M, Kancharana B, Lee S, Kesavardhana S, Hansen BS, Pruett-Miller SM, Kanneganti TD. Cutting Edge: Caspase-8 Is a Linchpin in Caspase-3 and Gasdermin D Activation to Control Cell Death, Cytokine Release, and Host Defense during Influenza A Virus Infection. THE JOURNAL OF IMMUNOLOGY 2021; 207:2411-2416. [PMID: 34663620 DOI: 10.4049/jimmunol.2100757] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/15/2021] [Indexed: 11/19/2022]
Abstract
Programmed cell death (PCD) is essential for the innate immune response, which serves as the first line of defense against pathogens. Caspases regulate PCD, immune responses, and homeostasis. Caspase-8 specifically plays multifaceted roles in PCD pathways including pyroptosis, apoptosis, and necroptosis. However, because caspase-8-deficient mice are embryonically lethal, little is known about how caspase-8 coordinates different PCD pathways under physiological conditions. Here, we report an anti-inflammatory role of caspase-8 during influenza A virus infection. We generated viable mice carrying an uncleavable version of caspase-8 (Casp8 DA/DA). We demonstrated that caspase-8 autoprocessing was responsible for activating caspase-3, thereby suppressing gasdermin D-mediated pyroptosis and inflammatory cytokine release. We also found that apoptotic and pyroptotic pathways were activated at the same time during influenza A virus infection, which enabled the cell-intrinsic anti-inflammatory function of the caspase-8-caspase-3 axis. Our findings provide new insight into the immunological consequences of caspase-8-coordinated PCD cross-talk under physiological conditions.
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Affiliation(s)
- Yaqiu Wang
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN; and
| | - Rajendra Karki
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN; and
| | - Min Zheng
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN; and
| | | | - SangJoon Lee
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN; and
| | - Sannula Kesavardhana
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, TN; and
| | - Baranda S Hansen
- Center for Advanced Genome Engineering, St. Jude Children's Research Hospital, Memphis, TN
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44
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Wang S, Li Y, Li W, Zhang K, Yuan Z, Cai Y, Xu K, Zhou J, Du Z. Curcuma oil ameliorates benign prostatic hyperplasia through suppression of the nuclear factor-kappa B signaling pathway in rats. JOURNAL OF ETHNOPHARMACOLOGY 2021; 279:113703. [PMID: 33340599 PMCID: PMC9586842 DOI: 10.1016/j.jep.2020.113703] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/20/2020] [Accepted: 11/27/2020] [Indexed: 05/05/2023]
Abstract
ETHNO PHARMACOLOGICAL RELEVANCE Curcuma longa L is traditionally used as an anti-inflammatory remedy in Chinese traditional medicine. Curcuma oil (CO), a lipophilic fraction from Curcuma longa L. has been reported to have anti-proliferative, anti-inflammatory and anti-oxidant activities. However, CO has never been investigated for its possible therapeutic effects on benign prostatic hyperplasia (BPH). AIMS OF THE STUDY The study is thus to determine the therapeutic effects of curcuma oil on BPH and also the possible mechanism (s) of action. MATERIALS &METHODS A BPH-1 cell line and Sprague Dawley (SD) rats were used to establish BPH models in vitro and in vivo, respectively. Rats were treated by CO (2.4, 7.2 mg/kg/i.g.) and finasteride (5 mg/kg/i.g.), respectively. Histological changes were examined by hematoxylin and eosin (H&E) staining. Protein expression was analyzed for 5α-reductase (5AR), dihydrotestosterone (DHT), interleukin (IL)-1β, IL-6 and tumor necrosis factor (TNF)-α by ELISA. Ki-67, Caspase-8,-9 and -3 expressions were evaluated via immunohistochemistry (IHC). RESULTS CO effectively induced apoptosis in BPH-1 cells. BPH was successfully established by administration of testosterone propionate (TP) in rats, which upregulated both 5α-reductase expression and DHT production. Importantly, TP establishment significantly stimulated the phosphorylation of p65, one subunit of NF-κB, thus led to activation of the NF-κB signaling pathway in prostatic tissues of rats. In turn, the activation of NF-κB pathway induced concomitant upregulation of proinflammatory factors IL-1β, IL-6, TNF-α, and COX-2 and significant increase of the Bcl2/Bax expression ratio for enhanced cell survival, contributing to the initiation and progression of BPH in rats. Notably, CO therapy significantly decreased prostate weight and hyperplasia in BPH-induced animals. Also CO was found to suppress the expression of 5α-reductase and thus the production of DHT, which is essential for the amelioration of BPH. More importantly, CO was shown to suppress the activation of NF-κB pathway through decreasing the expression of phosphorylated p65 and consequently reduced the inflammatory responses and cell survival in prostatic tissues, leading to the inhibition of BPH development in rats. CONCLUSION Curcuma oil is very effective for ameliorating BPH in rats. The underlying mechanisms involve in reduced inflammatory responses and cell survival through suppression of the NF-κB signaling pathway by CO in prostatic tissues.
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Affiliation(s)
- Shanshan Wang
- School of Biomedical and Phamaceutical Sciences, Gunagdong University of Technology, Guangzhou, 511400, China
| | - Yun Li
- R&D Centre, Infinitus (China) Company Ltd, Guangzhou, China
| | - Wenzhi Li
- R&D Centre, Infinitus (China) Company Ltd, Guangzhou, China
| | - Kun Zhang
- School of Biomedical and Phamaceutical Sciences, Gunagdong University of Technology, Guangzhou, 511400, China
| | - Zhengqiang Yuan
- School of Biomedical and Phamaceutical Sciences, Gunagdong University of Technology, Guangzhou, 511400, China
| | - Yina Cai
- School of Biomedical and Phamaceutical Sciences, Gunagdong University of Technology, Guangzhou, 511400, China
| | - Kuncheng Xu
- School of Biomedical and Phamaceutical Sciences, Gunagdong University of Technology, Guangzhou, 511400, China
| | - Jinrong Zhou
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 02215, USA.
| | - Zhiyun Du
- School of Biomedical and Phamaceutical Sciences, Gunagdong University of Technology, Guangzhou, 511400, China; Conney Allan Biotechnology Company Ltd, Guangzhou, 510095, China.
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Al-Suhaimi EA, Aljafary MA, Alkhulaifi FM, Aldossary HA, Alshammari T, AL-Qaaneh A, Aldahhan R, Alkhalifah Z, Gaymalov ZZ, Shehzad A, Homeida AM. Thymus Gland: A Double Edge Sword for Coronaviruses. Vaccines (Basel) 2021; 9:vaccines9101119. [PMID: 34696231 PMCID: PMC8539924 DOI: 10.3390/vaccines9101119] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/23/2021] [Accepted: 09/25/2021] [Indexed: 02/06/2023] Open
Abstract
The thymus is the main lymphoid organ that regulates the immune and endocrine systems by controlling thymic cell proliferation and differentiation. The gland is a primary lymphoid organ responsible for generating mature T cells into CD4+ or CD8+ single-positive (SP) T cells, contributing to cellular immunity. Regarding humoral immunity, the thymic plasma cells almost exclusively secrete IgG1 and IgG3, the two main complement-fixing effector IgG subclasses. Deformity in the thymus can lead to inflammatory diseases. Hassall’s corpuscles’ epithelial lining produces thymic stromal lymphopoietin, which induces differentiation of CDs thymocytes into regulatory T cells within the thymus medulla. Thymic B lymphocytes produce immunoglobulins and immunoregulating hormones, including thymosin. Modulation in T cell and naive T cells decrement due to thymus deformity induce alteration in the secretion of various inflammatory factors, resulting in multiple diseases. Influenza virus activates thymic CD4+ CD8+ thymocytes and a large amount of IFNγ. IFNs limit virus spread, enhance macrophages’ phagocytosis, and promote the natural killer cell restriction activity against infected cells. Th2 lymphocytes-produced cytokine IL-4 can bind to antiviral INFγ, decreasing the cell susceptibility and downregulating viral receptors. COVID-19 epitopes (S, M, and N proteins) with ≥90% identity to the SARS-CoV sequence have been predicted. These epitopes trigger immunity for antibodies production. Boosting the immune system by improving thymus function can be a therapeutic strategy for preventing virus-related diseases. This review aims to summarize the endocrine-immunoregulatory functions of the thymus and the underlying mechanisms in the prevention of COVID-19.
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Affiliation(s)
- Ebtesam A. Al-Suhaimi
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (M.A.A.); (F.M.A.); (A.M.H.)
- Correspondence: ; Tel.: +966-133-332-444
| | - Meneerah A. Aljafary
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (M.A.A.); (F.M.A.); (A.M.H.)
| | - Fadwa M. Alkhulaifi
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (M.A.A.); (F.M.A.); (A.M.H.)
| | - Hanan A. Aldossary
- Epidemic Diseases Research Department, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; or
| | - Thamer Alshammari
- Genetic Research Department, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (T.A.); (A.A.-Q.); (Z.A.)
| | - Ayman AL-Qaaneh
- Genetic Research Department, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (T.A.); (A.A.-Q.); (Z.A.)
- Clinical Pharmacy Services Division, Pharmacy Services Department, Johns Hopkins Aramco Healthcare (JHAH), Dhahran 31311, Saudi Arabia
| | - Razan Aldahhan
- Stem Cell Research Department, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Zahra Alkhalifah
- Genetic Research Department, Institute for Research and Medical Consultations, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (T.A.); (A.A.-Q.); (Z.A.)
| | - Zagit Z. Gaymalov
- Earlystage OÜ, Lasnamäe Linnaosa, Sepapaja tn 6, Harju Maakond, 15551 Tallinn, Estonia;
| | - Adeeb Shehzad
- Clinical Pharmacy Research Department, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia;
| | - Abdelgadir M. Homeida
- Biology Department, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; (M.A.A.); (F.M.A.); (A.M.H.)
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46
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Garg SS, Sharma A, Gupta J. Immunomodulation and immunotherapeutics of COVID-19. Clin Immunol 2021; 231:108842. [PMID: 34461289 PMCID: PMC8393504 DOI: 10.1016/j.clim.2021.108842] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/17/2021] [Accepted: 08/25/2021] [Indexed: 12/12/2022]
Abstract
Severe acute respiratory syndrome coronavirus-2 causes coronavirus disease 2019, a pandemic which was originated from Wuhan city of China. The pandemic has affected millions of people worldwide. The pathogenesis of SARS-CoV-2 is characterized by a cytokine storm in the blood (cytokinemia) and tissues, especially the lungs. One of the major repercussions of this inflammatory process is the endothelial injury-causing intestinal bleeding, coagulopathy, and thromboembolism which result in various sudden and unexpected post-COVID complications including kidney failure, myocardial infarction, or multiorgan failure. In this review, we have summarized the immune responses, biochemical changes, and inflammatory responses in the human body after infection with the SARS-CoV-2 virus. The increased amount of inflammatory cytokines, chemokines, and involvement of complement proteins in inflammatory reaction increase the risk of occurrence of disease.
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Affiliation(s)
- Sourbh Suren Garg
- Department of Biochemistry, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India
| | - Atulika Sharma
- Department of Chemistry, School of Chemical Engineering and Physical Science, Lovely Professional University, Phagwara, Punjab, India
| | - Jeena Gupta
- Department of Biochemistry, School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India.
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47
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Crooke SN, Goergen KM, Ovsyannikova IG, Kennedy RB. Inflammasome Activity in Response to Influenza Vaccination Is Maintained in Monocyte-Derived Peripheral Blood Macrophages in Older Adults. FRONTIERS IN AGING 2021; 2:719103. [PMID: 35822051 PMCID: PMC9261430 DOI: 10.3389/fragi.2021.719103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 08/09/2021] [Indexed: 11/13/2022]
Abstract
Introduction: Each year, a disproportionate number of the total seasonal influenza-related hospitalizations (90%) and deaths (70%) occur among adults who are >65 years old. Inflammasome activation has been shown to be important for protection against influenza infection in animal models but has not yet been demonstrated in humans. We hypothesized that age-related dysfunction (immunosenescence) of the inflammasome may be associated with poor influenza-vaccine response among older adults.Methods: A cohort of younger (18–40 years of age) and older (≥65 years of age) adults was recruited prior to the 2014–2015 influenza season. We measured hemagglutination inhibition (HAI) titers in serum before and 28 days after receipt of the seasonal inactivated influenza vaccine. Inflammasome-related gene expression and protein secretion were quantified in monocyte-derived macrophages following stimulation with influenza A/H1N1 virus.Results: Younger adults exhibited higher HAI titers compared to older adults following vaccination, although inflammasome-related protein secretion in response to influenza stimulation was similar between the age groups. Expression of P2RX7 following influenza stimulation was lower among older adults. Interestingly, CFLAR expression was significantly higher among females (p = 2.42 × 10−5) following influenza stimulation and this gene may play an important role in the development of higher HAI antibody titers among older females.Conclusion: Inflammasome activation in response to influenza vaccination appears to be maintained in monocyte-derived macrophages from older adults and does not explain the poor influenza vaccine responses generally observed among this age group.
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Affiliation(s)
- Stephen N. Crooke
- Mayo Clinic Vaccine Research Group, Mayo Clinic, Rochester, MN, United States
| | - Krista M. Goergen
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, United States
| | | | - Richard B. Kennedy
- Mayo Clinic Vaccine Research Group, Mayo Clinic, Rochester, MN, United States
- *Correspondence: Richard B. Kennedy,
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48
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Morris G, Bortolasci CC, Puri BK, Marx W, O'Neil A, Athan E, Walder K, Berk M, Olive L, Carvalho AF, Maes M. The cytokine storms of COVID-19, H1N1 influenza, CRS and MAS compared. Can one sized treatment fit all? Cytokine 2021; 144:155593. [PMID: 34074585 PMCID: PMC8149193 DOI: 10.1016/j.cyto.2021.155593] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/03/2021] [Accepted: 05/17/2021] [Indexed: 02/07/2023]
Abstract
An analysis of published data appertaining to the cytokine storms of COVID-19, H1N1 influenza, cytokine release syndrome (CRS), and macrophage activation syndrome (MAS) reveals many common immunological and biochemical abnormalities. These include evidence of a hyperactive coagulation system with elevated D-dimer and ferritin levels, disseminated intravascular coagulopathy (DIC) and microthrombi coupled with an activated and highly permeable vascular endothelium. Common immune abnormalities include progressive hypercytokinemia with elevated levels of TNF-α, interleukin (IL)-6, and IL-1β, proinflammatory chemokines, activated macrophages and increased levels of nuclear factor kappa beta (NFκB). Inflammasome activation and release of damage associated molecular patterns (DAMPs) is common to COVID-19, H1N1, and MAS but does not appear to be a feature of CRS. Elevated levels of IL-18 are detected in patients with COVID-19 and MAS but have not been reported in patients with H1N1 influenza and CRS. Elevated interferon-γ is common to H1N1, MAS, and CRS but levels of this molecule appear to be depressed in patients with COVID-19. CD4+ T, CD8+ and NK lymphocytes are involved in the pathophysiology of CRS, MAS, and possibly H1N1 but are reduced in number and dysfunctional in COVID-19. Additional elements underpinning the pathophysiology of cytokine storms include Inflammasome activity and DAMPs. Treatment with anakinra may theoretically offer an avenue to positively manipulate the range of biochemical and immune abnormalities reported in COVID-19 and thought to underpin the pathophysiology of cytokine storms beyond those manipulated via the use of, canakinumab, Jak inhibitors or tocilizumab. Thus, despite the relative success of tocilizumab in reducing mortality in COVID-19 patients already on dexamethasone and promising results with Baricitinib, the combination of anakinra in combination with dexamethasone offers the theoretical prospect of further improvements in patient survival. However, there is currently an absence of trial of evidence in favour or contravening this proposition. Accordingly, a large well powered blinded prospective randomised controlled trial (RCT) to test this hypothesis is recommended.
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Affiliation(s)
- Gerwyn Morris
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Chiara C Bortolasci
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Deakin University, Centre for Molecular and Medical Research, School of Medicine, Geelong, Australia
| | | | - Wolfgang Marx
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia
| | - Adrienne O'Neil
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Melbourne School of Population and Global Health, Melbourne, Australi
| | - Eugene Athan
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Barwon Health, Geelong, Australia
| | - Ken Walder
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Deakin University, Centre for Molecular and Medical Research, School of Medicine, Geelong, Australia
| | - Michael Berk
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Orygen, The National Centre of Excellence in Youth Mental Health, Centre for Youth Mental Health, Florey Institute for Neuroscience and Mental Health and the Department of Psychiatry, The University of Melbourne, Melbourne, Australia
| | - Lisa Olive
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Deakin University, School of Psychology, Geelong, Australia
| | - Andre F Carvalho
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Department of Psychiatry, University of Toronto, Toronto, Canada, Centre for Addiction and Mental Health (CAMH), Toronto, Canada
| | - Michael Maes
- Deakin University, IMPACT - the Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Barwon Health, Geelong, Australia; Department of Psychiatry, King Chulalongkorn University Hospital, Bangkok, Thailand; Department of Psychiatry, Medical University of Plovdiv, Plovdiv, Bulgaria.
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49
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Fontoura MA, Rocha RF, Marques RE. Neutrophil Recruitment and Participation in Severe Diseases Caused by Flavivirus Infection. Life (Basel) 2021; 11:717. [PMID: 34357089 PMCID: PMC8304117 DOI: 10.3390/life11070717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 07/15/2021] [Accepted: 07/19/2021] [Indexed: 12/21/2022] Open
Abstract
Neutrophils are first-line responders to infections and are recruited to target tissues through the action of chemoattractant molecules, such as chemokines. Neutrophils are crucial for the control of bacterial and fungal infections, but their role in the context of viral infections has been understudied. Flaviviruses are important human viral pathogens transmitted by arthropods. Infection with a flavivirus may result in a variety of complex disease manifestations, including hemorrhagic fever, encephalitis or congenital malformations. Our understanding of flaviviral diseases is incomplete, and so is the role of neutrophils in such diseases. Here we present a comprehensive overview on the participation of neutrophils in severe disease forms evolving from flavivirus infection, focusing on the role of chemokines and their receptors as main drivers of neutrophil function. Neutrophil activation during viral infection was shown to interfere in viral replication through effector functions, but the resulting inflammation is significant and may be detrimental to the host. For congenital infections in humans, neutrophil recruitment mediated by CXCL8 would be catastrophic. Evidence suggests that control of neutrophil recruitment to flavivirus-infected tissues may reduce immunopathology in experimental models and patients, with minimal loss to viral clearance. Further investigation on the roles of neutrophils in flaviviral infections may reveal unappreciated functions of this leukocyte population while increasing our understanding of flaviviral disease pathogenesis in its multiple forms.
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Affiliation(s)
- Marina Alves Fontoura
- Brazilian Biosciences National Laboratory—LNBio, Brazilian Center for Research in Energy and Materials—CNPEM, Campinas 13083-100, Brazil; (M.A.F.); (R.F.R.)
- Cellular and Structural Biology Graduate Program, Institute of Biology, University of Campinas (UNICAMP), Campinas 13083-865, Brazil
| | - Rebeca Fróes Rocha
- Brazilian Biosciences National Laboratory—LNBio, Brazilian Center for Research in Energy and Materials—CNPEM, Campinas 13083-100, Brazil; (M.A.F.); (R.F.R.)
- Genetics and Molecular Biology Graduate Program, Institute of Biology, University of Campinas (UNICAMP), Campinas 13083-970, Brazil
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA 92037, USA
| | - Rafael Elias Marques
- Brazilian Biosciences National Laboratory—LNBio, Brazilian Center for Research in Energy and Materials—CNPEM, Campinas 13083-100, Brazil; (M.A.F.); (R.F.R.)
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50
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Pavasutthipaisit S, Stoff M, Ebbecke T, Ciurkiewicz M, Mayer-Lambertz S, Störk T, Pavelko KD, Lepenies B, Beineke A. CARD9 Deficiency Increases Hippocampal Injury Following Acute Neurotropic Picornavirus Infection but Does Not Affect Pathogen Elimination. Int J Mol Sci 2021; 22:ijms22136982. [PMID: 34209576 PMCID: PMC8268812 DOI: 10.3390/ijms22136982] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/20/2021] [Accepted: 06/25/2021] [Indexed: 12/11/2022] Open
Abstract
Neurotropic viruses target the brain and contribute to neurologic diseases. Caspase recruitment domain containing family member 9 (CARD9) controls protective immunity in a variety of infectious disorders. To investigate the effect of CARD9 in neurotropic virus infection, CARD9−/− and corresponding C57BL/6 wild-type control mice were infected with Theiler’s murine encephalomyelitis virus (TMEV). Brain tissue was analyzed by histology, immunohistochemistry and molecular analyses, and spleens by flow cytometry. To determine the impact of CARD9 deficiency on T cell responses in vitro, antigen presentation assays were utilized. Genetic ablation of CARD9 enhanced early pro-inflammatory cytokine responses and accelerated infiltration of T and B cells in the brain, together with a transient increase in TMEV-infected cells in the hippocampus. CARD9−/− mice showed an increased loss of neuronal nuclear protein+ mature neurons and doublecortin+ neuronal precursor cells and an increase in β-amyloid precursor protein+ damaged axons in the hippocampus. No effect of CARD9 deficiency was found on the initiation of CD8+ T cell responses by flow cytometry and co-culture experiments using virus-exposed dendritic cells or microglia-enriched glial cell mixtures, respectively. The present study indicates that CARD9 is dispensable for the initiation of early antiviral responses and TMEV elimination but may contribute to the modulation of neuroinflammation, thereby reducing hippocampal injury following neurotropic virus infection.
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Affiliation(s)
- Suvarin Pavasutthipaisit
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (S.P.); (M.S.); (M.C.); (T.S.)
- Center for Systems Neuroscience, 30559 Hannover, Germany; (T.E.); (B.L.)
- Department of Pathology, Faculty of Veterinary Medicine, Mahanakorn University of Technology, Bangkok 10530, Thailand
| | - Melanie Stoff
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (S.P.); (M.S.); (M.C.); (T.S.)
| | - Tim Ebbecke
- Center for Systems Neuroscience, 30559 Hannover, Germany; (T.E.); (B.L.)
- Institute for Immunology and Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
| | - Malgorzata Ciurkiewicz
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (S.P.); (M.S.); (M.C.); (T.S.)
| | - Sabine Mayer-Lambertz
- Institute for Immunology and Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
| | - Theresa Störk
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (S.P.); (M.S.); (M.C.); (T.S.)
| | - Kevin D. Pavelko
- Department of Immunology, Mayo Clinic, Rochester, MN 55905, USA;
| | - Bernd Lepenies
- Center for Systems Neuroscience, 30559 Hannover, Germany; (T.E.); (B.L.)
- Institute for Immunology and Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, 30559 Hannover, Germany;
| | - Andreas Beineke
- Department of Pathology, University of Veterinary Medicine Hannover, 30559 Hannover, Germany; (S.P.); (M.S.); (M.C.); (T.S.)
- Center for Systems Neuroscience, 30559 Hannover, Germany; (T.E.); (B.L.)
- Correspondence: ; Tel.: +49-51-195-38640
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