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Pereira-Silva GC, Cornélio CKCA, Pacheco G, Rochael NC, Gomes IAB, Cajado AG, Silva KC, Gonçalves BS, Temerozo JR, Bastos RS, Rocha JA, Souza LP, Souza MHLP, Lima-Júnior RCP, Medeiros JVR, Filgueiras MC, Bou-Habib DC, Saraiva EM, Nicolau LAD. Diminazene aceturate inhibits the SARS-CoV-2 spike protein-induced inflammation involving leukocyte migration and DNA extracellular traps formation. Life Sci 2024; 352:122895. [PMID: 38986896 DOI: 10.1016/j.lfs.2024.122895] [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: 04/12/2024] [Revised: 06/16/2024] [Accepted: 07/03/2024] [Indexed: 07/12/2024]
Abstract
AIMS To investigate the SARS-CoV-2 Spike protein (Spk)-induced inflammatory response and its downmodulation by diminazene aceturate (DIZE). MATERIALS AND METHODS Through inducing Spk inflammation in murine models, leukocyte migration to the peritoneum, levels of myeloperoxidase (MPO), malondialdehyde (MDA), rolling and adhesion of mesenteric leukocytes, and vascular permeability were investigated. Extracellular DNA traps (DETs) induced by Spk and the production of IL-6 and TNF-α were analyzed using human neutrophils, monocytes, and macrophages. In silico assays assessed the molecular interaction between DIZE and molecules related to leukocyte migration and DETs induction. KEY FINDINGS Spk triggered acute inflammation, demonstrated by increasing leukocyte migration. Oxidative stress was evidenced by elevated levels of MPO and MDA in the peritoneal liquid. DIZE attenuated cell migration, rolling, and leukocyte adhesion, improved vascular barrier function, mitigated DETs, and reduced the production of Spk-induced pro-inflammatory cytokines. Computational studies supported our findings, showing the molecular interaction of DIZE with targets such as β2 integrin, PI3K, and PAD2 due to its intermolecular coupling. SIGNIFICANCE Our results outline a novel role of DIZE as a potential therapeutic agent for mitigating Spk-induced inflammation.
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Affiliation(s)
- Gean C Pereira-Silva
- Laboratory on Innate Immunity, Department of Immunology, Institute of Microbiology Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Cassia K C A Cornélio
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | - Gabriella Pacheco
- Department of Biochemistry and Pharmacology, Health Sciences Center, Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil
| | - Natalia C Rochael
- Laboratory on Innate Immunity, Department of Immunology, Institute of Microbiology Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Isaac A B Gomes
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | - Aurilene G Cajado
- Department of Physiology and Pharmacology, Universidade Federal do Ceará (UFC), Fortaleza, CE, Brazil
| | - Katriane C Silva
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | | | - Jairo R Temerozo
- Laboratory on Thymus Research, Oswaldo Cruz Institute (Fiocruz), Rio de Janeiro, RJ, Brazil; National Institute of Science and Technology on Neuroimmunemodulation, Rio de Janeiro, Brazil
| | - Ruan S Bastos
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | - Jefferson A Rocha
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | - Leonardo P Souza
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | - Marcellus H L P Souza
- Department of Physiology and Pharmacology, Universidade Federal do Ceará (UFC), Fortaleza, CE, Brazil
| | - Roberto C P Lima-Júnior
- Department of Physiology and Pharmacology, Universidade Federal do Ceará (UFC), Fortaleza, CE, Brazil
| | - Jand V R Medeiros
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil; Department of Biochemistry and Pharmacology, Health Sciences Center, Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil
| | - Marcelo C Filgueiras
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil
| | - Dumith Chequer Bou-Habib
- Laboratory on Thymus Research, Oswaldo Cruz Institute (Fiocruz), Rio de Janeiro, RJ, Brazil; National Institute of Science and Technology on Neuroimmunemodulation, Rio de Janeiro, Brazil
| | - Elvira M Saraiva
- Laboratory on Innate Immunity, Department of Immunology, Institute of Microbiology Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil.
| | - Lucas A D Nicolau
- Biotechnology and Biodiversity Center Research, Laboratory of Inflammation and Translational Gastroenterology, Universidade Federal do Delta do Parnaíba (UFDPar), Parnaíba, PI, Brazil; Department of Biochemistry and Pharmacology, Health Sciences Center, Universidade Federal do Piauí (UFPI), Teresina, PI, Brazil.
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2
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Xing Z, Cui L, Feng Y, Yang Y, He X. Exploring the prognostic implications of cuproptosis-associated alterations in clear cell renal cell carcinoma via in vitro experiments. Sci Rep 2024; 14:16935. [PMID: 39043799 PMCID: PMC11266406 DOI: 10.1038/s41598-024-67756-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2024] [Accepted: 07/15/2024] [Indexed: 07/25/2024] Open
Abstract
This study investigated the impact of novel copper ionophores on the prognosis of clear cell renal cell carcinoma (ccRCC) and the tumor microenvironment (TME). The differential expression of 10 cuproptosis and 40 TME-pathway-related genes were measured in 531 tumor samples and 71 adjacent kidney samples in The Cancer Genome Atlas database. A risk score model was constructed with LASSO cox to predict the prognosis of ccRCC patients. Forest plot and function enrichment were used to study the biological function of the key genes in depth. The study found that the risk score model accurately predicted the prognosis of ccRCC patients. Patients with high scores had higher immune responses with a higher proportion of anti-tumor lymphocytes and a lower proportion of immunosuppressive M2-like macrophages. However, the high-score group also exhibited a higher proportion of T follicular helper cells and regulatory T cells. These results suggest that cuproptosis-based therapy may be worth further investigation for the treatment of ccRCC and TME. Subsequently, by using RNAi, we established the stable depletion models of FDX1 and PDHB in ccRCC cell lines 786-O and ACHN. Through CCK8, colony formation, and Transwell assays, we observed that the knockdown of FDX1 and PDHB could significantly reduce the capabilities of proliferation and migration in ccRCC cells. In conclusion, this study illuminates the potential effectiveness of copper ionophores in the treatment of ccRCC, with higher risk scores correlating with better TME immune responses. It sets the stage for future cuproptosis-based therapy research in ccRCC and other cancers, focusing on copper's role in TME.
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Affiliation(s)
- Zhaoyu Xing
- The Department of Urology, The Third Affiliated Hospital, Soochow University, Changzhou, Jiangsu Province, China
| | - Li Cui
- The Department of Urology, The Third Affiliated Hospital, Soochow University, Changzhou, Jiangsu Province, China
| | - Yuehua Feng
- The Department of Comprehensive Laboratory, The Third Affiliated Hospital, Soochow University, Changzhou, Jiangsu Province, China
| | - Yang Yang
- The Department of Hepatobiliary Surgery, The Third Affiliated Hospital, Soochow University, Changzhou, Jiangsu Province, China
| | - Xiaozhou He
- The Department of Urology, The Third Affiliated Hospital, Soochow University, Changzhou, Jiangsu Province, China.
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3
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Oh SJ, Kumari P, Auroni TT, Stone S, Pathak H, Elsharkawy A, Natekar JP, Shin OS, Kumar M. Upregulation of Neuroinflammation-Associated Genes in the Brain of SARS-CoV-2-Infected Mice. Pathogens 2024; 13:528. [PMID: 39057755 PMCID: PMC11280415 DOI: 10.3390/pathogens13070528] [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: 11/01/2023] [Revised: 06/12/2024] [Accepted: 06/20/2024] [Indexed: 07/28/2024] Open
Abstract
Neurological manifestations are a significant complication of coronavirus disease 2019 (COVID-19), but the underlying mechanisms are yet to be understood. Recently, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-induced neuroinvasion and encephalitis were observed in K18-hACE2 mice, leading to mortality. Our goal in this study was to gain insights into the molecular pathogenesis of neurological manifestations in this mouse model. To analyze differentially expressed genes (DEGs) in the brains of mice following SARS-CoV-2 infection, we performed NanoString gene expression analysis using three individual animal samples at 1, 3, and 6 days post-infection. We identified the DEGs by comparing them to animals that were not infected with the virus. We found that genes upregulated at day 6 post-infection were mainly associated with Toll-like receptor (TLR) signaling, RIG-I-like receptor (RLR) signaling, and cell death pathways. However, downregulated genes were associated with neurodegeneration and synaptic signaling pathways. In correlation with gene expression profiles, a multiplexed immunoassay showed the upregulation of multiple cytokines and chemokines involved in inflammation and cell death in SARS-CoV-2-infected brains. Furthermore, the pathway analysis of DEGs indicated a possible link between TLR2-mediated signaling pathways and neuroinflammation, as well as pyroptosis and necroptosis in the brain. In conclusion, our work demonstrates neuroinflammation-associated gene expression profiles, which can provide key insight into the severe disease observed in COVID-19 patients.
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Affiliation(s)
- Soo-Jin Oh
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea;
| | - Pratima Kumari
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
| | - Tabassum Tasnim Auroni
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
| | - Shannon Stone
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
| | - Heather Pathak
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
| | - Amany Elsharkawy
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
| | - Janhavi Prasad Natekar
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
| | - Ok Sarah Shin
- BK21 Graduate Program, Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Republic of Korea;
| | - Mukesh Kumar
- Department of Biology, College of Arts and Sciences, Georgia State University, Atlanta, GA 30303, USA; (P.K.); (T.T.A.); (S.S.); (H.P.); (A.E.); (J.P.N.)
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Lu S, He S, Yue K, Mi J, Huang Y, Song L, Yang T, Ren Z, Ren L, Xu J. Lactobacillus plantarum GUANKE modulate anti-viral function of dendritic cells in mice. Int Immunopharmacol 2024; 134:112169. [PMID: 38728879 DOI: 10.1016/j.intimp.2024.112169] [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: 01/17/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 05/12/2024]
Abstract
GUANKE is a Lactobacillus plantarum isolated from the feces of healthy volunteer. We have previously shown that GUANKE enhances the efficacy of the SARS-CoV-2 vaccine and prolongs the duration of vaccine protection by upregulating the IFN pathway and T and B lymphocyte functions of the host. The purpose of this study was to evaluate the protective effects and mechanism of oral administration of Lactobacillus plantarum GUANKE in the influenza (A virus A/Puerto Rico/8/34) infection mouse model. In our experiment, oral administration of GUANKE significantly decreased viral load and increased tight junction proteins expression in lung tissues of influenza-infected mice. After GUANKE was co-cultured with mBMDCs in vitro, mBMDCs' maturity and antiviral ability were enhanced, and matured mBMDCs induced polarization of naïve CD4+ T cells into T helper (Th) 1 cells. Adoptive transfer of GUANKE-treated mBMDCs could protect mice from influenza infections. This study suggests that oral administration of Lactobacillus plantarum GUANKE could provide protection against influenza infection in mice, and this protective effect may be mediated, at least in part, by dendritic cells.
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Affiliation(s)
- Simin Lu
- Research Unite for Unknown Microbe, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Siqin He
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Kun Yue
- Research Unite for Unknown Microbe, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jielan Mi
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China; Institute of Public Health, Nankai University, Tianjin, China
| | - Yuanming Huang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Liqiong Song
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Tao Yang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhihong Ren
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.
| | - Lili Ren
- Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China.
| | - Jianguo Xu
- Research Unite for Unknown Microbe, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China; National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China; Institute of Public Health, Nankai University, Tianjin, China.
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5
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Malireddi RKS, Sharma BR, Kanneganti TD. Innate Immunity in Protection and Pathogenesis During Coronavirus Infections and COVID-19. Annu Rev Immunol 2024; 42:615-645. [PMID: 38941608 DOI: 10.1146/annurev-immunol-083122-043545] [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] [Indexed: 06/30/2024]
Abstract
The COVID-19 pandemic was caused by the recently emerged β-coronavirus SARS-CoV-2. SARS-CoV-2 has had a catastrophic impact, resulting in nearly 7 million fatalities worldwide to date. The innate immune system is the first line of defense against infections, including the detection and response to SARS-CoV-2. Here, we discuss the innate immune mechanisms that sense coronaviruses, with a focus on SARS-CoV-2 infection and how these protective responses can become detrimental in severe cases of COVID-19, contributing to cytokine storm, inflammation, long-COVID, and other complications. We also highlight the complex cross talk among cytokines and the cellular components of the innate immune system, which can aid in viral clearance but also contribute to inflammatory cell death, cytokine storm, and organ damage in severe COVID-19 pathogenesis. Furthermore, we discuss how SARS-CoV-2 evades key protective innate immune mechanisms to enhance its virulence and pathogenicity, as well as how innate immunity can be therapeutically targeted as part of the vaccination and treatment strategy. Overall, we highlight how a comprehensive understanding of innate immune mechanisms has been crucial in the fight against SARS-CoV-2 infections and the development of novel host-directed immunotherapeutic strategies for various diseases.
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Affiliation(s)
- R K Subbarao Malireddi
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA;
| | - Bhesh Raj Sharma
- Department of Immunology, St. Jude Children's Research Hospital, Memphis, Tennessee, USA;
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Ngo C, Garrec C, Tomasello E, Dalod M. The role of plasmacytoid dendritic cells (pDCs) in immunity during viral infections and beyond. Cell Mol Immunol 2024:10.1038/s41423-024-01167-5. [PMID: 38777879 DOI: 10.1038/s41423-024-01167-5] [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: 01/29/2024] [Accepted: 04/10/2024] [Indexed: 05/25/2024] Open
Abstract
Type I and III interferons (IFNs) are essential for antiviral immunity and act through two different but complimentary pathways. First, IFNs activate intracellular antimicrobial programs by triggering the upregulation of a broad repertoire of viral restriction factors. Second, IFNs activate innate and adaptive immunity. Dysregulation of IFN production can lead to severe immune system dysfunction. It is thus crucial to identify and characterize the cellular sources of IFNs, their effects, and their regulation to promote their beneficial effects and limit their detrimental effects, which can depend on the nature of the infected or diseased tissues, as we will discuss. Plasmacytoid dendritic cells (pDCs) can produce large amounts of all IFN subtypes during viral infection. pDCs are resistant to infection by many different viruses, thus inhibiting the immune evasion mechanisms of viruses that target IFN production or their downstream responses. Therefore, pDCs are considered essential for the control of viral infections and the establishment of protective immunity. A thorough bibliographical survey showed that, in most viral infections, despite being major IFN producers, pDCs are actually dispensable for host resistance, which is achieved by multiple IFN sources depending on the tissue. Moreover, primary innate and adaptive antiviral immune responses are only transiently affected in the absence of pDCs. More surprisingly, pDCs and their IFNs can be detrimental in some viral infections or autoimmune diseases. This makes the conservation of pDCs during vertebrate evolution an enigma and thus raises outstanding questions about their role not only in viral infections but also in other diseases and under physiological conditions.
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Affiliation(s)
- Clémence Ngo
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Clémence Garrec
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France
| | - Elena Tomasello
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France.
| | - Marc Dalod
- Aix-Marseille University, CNRS, INSERM, CIML, Centre d'Immunologie de Marseille-Luminy, Turing Center for Living Systems, Marseille, France.
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7
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Gewaid H, Bowie AG. Regulation of type I and type III interferon induction in response to pathogen sensing. Curr Opin Immunol 2024; 87:102424. [PMID: 38761566 DOI: 10.1016/j.coi.2024.102424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 02/19/2024] [Accepted: 05/06/2024] [Indexed: 05/20/2024]
Abstract
Type I and III interferons (IFN-I and IFN-III) have a central role in the early antimicrobial response against invading pathogens. Induction of IFN-Is and IFN-IIIs arises due to the sensing by pattern recognition receptors of pathogen-associated molecular patterns (from micro-organisms) or of damage-associated molecular patterns (DAMPs; produced by host cells). Here, we review recent developments on how IFN-I and IFN-III expression is stimulated by different pathogens and how the signalling pathways leading to IFN induction are tightly regulated. We also summarise the growing knowledge of the sensing pathways that lead to IFN-I and IFN-III induction in response to severe acute respiratory syndrome coronavirus 2.
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Affiliation(s)
- Hossam Gewaid
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland
| | - Andrew G Bowie
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin 2, Ireland.
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8
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Svensson Akusjärvi S, Zanoni I. Yin and yang of interferons: lessons from the coronavirus disease 2019 (COVID-19) pandemic. Curr Opin Immunol 2024; 87:102423. [PMID: 38776716 PMCID: PMC11162909 DOI: 10.1016/j.coi.2024.102423] [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: 05/24/2023] [Revised: 03/05/2024] [Accepted: 05/06/2024] [Indexed: 05/25/2024]
Abstract
The host immune response against severe acute respiratory syndrome coronavirus 2 includes the induction of a group of natural antiviral cytokines called interferons (IFNs). Although originally recognized for their ability to potently counteract infections, the mechanistic functions of IFNs in patients with varying severities of coronavirus disease 2019 (COVID-19) have highlighted a more complex scenario. Cellular and molecular analyses have revealed that timing, location, and subtypes of IFNs produced during severe acute respiratory syndrome coronavirus 2 infection play a major role in determining disease progression and severity. In this review, we summarize what the COVID-19 pandemic has taught us about the protective and detrimental roles of IFNs during the inflammatory response elicited against a new respiratory virus across different ages and its longitudinal consequences in driving the development of long COVID-19.
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Affiliation(s)
- Sara Svensson Akusjärvi
- Harvard Medical School, Division of Immunology, Boston Children's Hospital, Boston, MA, USA; Division of Immunology and Allergy, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Ivan Zanoni
- Harvard Medical School, Division of Immunology, Boston Children's Hospital, Boston, MA, USA; Division of Gastroenterology, Boston Children's Hospital, Boston, MA, USA.
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9
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Yang Y, Zhang X, Jing L, Xiao Y, Gao Y, Hu Y, Jia S, Zhou G, Xiong H, Dong G. MDSC-derived S100A8/9 contributes to lupus pathogenesis by promoting TLR7-mediated activation of macrophages and dendritic cells. Cell Mol Life Sci 2024; 81:110. [PMID: 38429401 PMCID: PMC10907481 DOI: 10.1007/s00018-024-05155-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 01/17/2024] [Accepted: 02/04/2024] [Indexed: 03/03/2024]
Abstract
Toll-like receptors (TLRs), especially TLR7, play an important role in systemic lupus erythematosus (SLE) pathogenesis. However, the regulatory mechanism underlying the abnormal activation of TLR pathways in patients with SLE has not been elucidated. Notably, accumulating evidence indicates that myeloid-derived suppressor cells (MDSCs) are important regulators of inflammation and autoimmune diseases. Compared with healthy control subjects, patients with SLE have a greater proportion of MDSCs among peripheral blood mononuclear cells (PBMCs); however, the effect of MDSCs on TLR7 pathway activation has not been determined. In the present study, lupus MDSCs significantly promoted TLR7 pathway activation in macrophages and dendritic cells (DCs), exacerbating the imiquimod-induced lupus model. RNA-sequencing analysis revealed significant overexpression of S100 calcium-binding protein A8 (S100A8) and S100A9 in MDSCs from diseased MRL/lpr mice. In vitro and in vivo studies demonstrated that S100A8/9 effectively promoted TLR7 pathway activation and that S100A8/9 deficiency reversed the promoting effect of MDSCs on TLR7 pathway activation in lupus. Mechanistically, MDSC-derived S100A8/9 upregulated interferon gamma (IFN-γ) secretion by macrophages and IFN-γ subsequently promoted TLR7 pathway activation in an autocrine manner. Taken together, these findings suggest that lupus MDSCs promote TLR7 pathway activation and lupus pathogenesis through the S100A8/9-IFN-γ axis. Our study identified an important target for SLE therapy.
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Affiliation(s)
- Yonghong Yang
- Medical Research Center, Affiliated Hospital of Jining Medical University, Jining, 272029, Shandong, China
| | - Xin Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Lina Jing
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Yucai Xiao
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Yangzhe Gao
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Yuxin Hu
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Shujiao Jia
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Guangxi Zhou
- Medical Research Center, Affiliated Hospital of Jining Medical University, Jining, 272029, Shandong, China.
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China.
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, 272067, Shandong, China.
| | - Guanjun Dong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China.
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, 272067, Shandong, China.
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Li WW, Fan XX, Xu ZS, Zhu ZX, Zhu ZY, Cao XJ, Pei DS, Wang YZ, Zhang JY, Wang YY, Zheng HX. BLK positively regulates TLR/IL-1R signaling by catalyzing TOLLIP phosphorylation. J Cell Biol 2024; 223:e202302081. [PMID: 38078859 PMCID: PMC10711807 DOI: 10.1083/jcb.202302081] [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: 02/21/2023] [Revised: 09/24/2023] [Accepted: 11/16/2023] [Indexed: 12/18/2023] Open
Abstract
TLR/IL-1R signaling plays a critical role in sensing various harmful foreign pathogens and mounting efficient innate and adaptive immune responses, and it is tightly controlled by intracellular regulators at multiple levels. In particular, TOLLIP forms a constitutive complex with IRAK1 and sequesters it in the cytosol to maintain the kinase in an inactive conformation under unstimulated conditions. However, the underlying mechanisms by which IRAK1 dissociates from TOLLIP to activate TLR/IL-1R signaling remain obscure. Herein, we show that BLK positively regulates TLR/IL-1R-mediated inflammatory response. BLK-deficient mice produce less inflammatory cytokines and are more resistant to death upon IL-1β challenge. Mechanistically, BLK is preassociated with IL1R1 and IL1RAcP in resting cells. IL-1β stimulation induces heterodimerization of IL1R1 and IL1RAcP, which further triggers BLK autophosphorylation at Y309. Activated BLK directly phosphorylates TOLLIP at Y76/86/152 and further promotes TOLLIP dissociation from IRAK1, thereby facilitating TLR/IL-1R-mediated signal transduction. Overall, these findings highlight the importance of BLK as an active regulatory component in TLR/IL-1R signaling.
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Affiliation(s)
- Wei-Wei Li
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Xu-Xu Fan
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Zhi-Sheng Xu
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, China
| | - Zi-Xiang Zhu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Zhao-Yu Zhu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Xue-Jing Cao
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Dan-Shi Pei
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Yi-Zhuo Wang
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Ji-Yan Zhang
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
| | - Yan-Yi Wang
- Key Laboratory of Special Pathogens and Biosafety, Wuhan Institute of Virology, Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, China
| | - Hai-Xue Zheng
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Gansu Province Research Center for Basic Disciplines of Pathogen Biology, Lanzhou, China
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11
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Lim KH, Wang L, Dotse E, Wang M, Tiu CY, Wijanarko KJ, Wang X, Chow KT. TLR4 sensitizes plasmacytoid dendritic cells for antiviral response against SARS-CoV-2 coronavirus. J Leukoc Biol 2024; 115:190-200. [PMID: 37747799 DOI: 10.1093/jleuko/qiad111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/04/2023] [Accepted: 08/24/2023] [Indexed: 09/27/2023] Open
Abstract
Plasmacytoid dendritic cells are a rare subset of dendritic cells that exhibit antiviral functions in response to toll-like receptor 7/8 stimulations. Alternative toll-like receptors such as TLR4 have been known to be active in plasmacytoid dendritic cells for immune regulatory functions. However, it is unclear whether these toll-like receptors differentially activate plasmacytoid dendritic cells as compared with canonical toll-like receptor 7/8 stimulation. Here, we assessed alternative plasmacytoid dendritic cell activation states mediated by toll-like receptors other than endosomal toll-like receptors via the RNA sequencing approach. We found that toll-like receptor 4 stimulation induced a high degree of similarity in gene expression pattern to toll-like receptor 7/8 stimulation in plasmacytoid dendritic cells. Despite high resemblance to toll-like receptor 7/8, we discovered unique genes that were activated under toll-like receptor 4 activation only, as well as genes that were induced at a higher magnitude in comparison to toll-like receptor 7/8 activation. In comparison between toll-like receptor 4-activated plasmacytoid dendritic cells and conventional dendritic cells, we revealed that plasmacytoid dendritic cells and conventional dendritic cells expressed distinct gene sets, whereby conventional dendritic cells mostly favored antigen presentation functions for adaptive immune response regulation while plasmacytoid dendritic cells leaned toward immune response against infectious diseases. Last, we determined that toll-like receptor 4 activation sensitized plasmacytoid dendritic cells against SARS-CoV-2 (COVID-19) single-stranded RNA by enhancing antiviral-related responses and type I interferon production. These findings provided greater insights into the toll-like receptor 4 activation state in plasmacytoid dendritic cells, which can be beneficial for alternative therapeutic interventions involving plasmacytoid dendritic cells for various diseases.
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Affiliation(s)
- King Hoo Lim
- Department of Biomedical Sciences, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
| | - Lishi Wang
- Department of Surgery, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T., Hong Kong
| | - Eunice Dotse
- Department of Biomedical Sciences, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
| | - Meijun Wang
- Department of Biomedical Sciences, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
| | - Cheuk Ying Tiu
- Department of Biomedical Sciences, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
| | - Kevin Julio Wijanarko
- Department of Biomedical Sciences, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
| | - Xin Wang
- Department of Surgery, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, N.T., Hong Kong
| | - Kwan T Chow
- Department of Biomedical Sciences, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
- Tung Biomedical Sciences Centre, City University of Hong Kong, 83 Tat Chee Ave, Kowloon Tong, Kowloon, Hong Kong
- City University of Hong Kong Shenzhen Research Institute, Shenzhen, Guangdong, China
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12
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Yang B, Pan M, Feng K, Wu X, Yang F, Yang P. Identification of the feature genes involved in cytokine release syndrome in COVID-19. PLoS One 2024; 19:e0296030. [PMID: 38165854 PMCID: PMC10760774 DOI: 10.1371/journal.pone.0296030] [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: 08/03/2023] [Accepted: 12/04/2023] [Indexed: 01/04/2024] Open
Abstract
OBJECTIVE Screening of feature genes involved in cytokine release syndrome (CRS) from the coronavirus disease 19 (COVID-19). METHODS The data sets related to COVID-19 were retrieved using Gene Expression Omnibus (GEO) database, the differentially expressed genes (DEGs) related to CRS were analyzed with R software and Venn diagram, and the biological processes and signaling pathways involved in DEGs were analyzed with GO and KEGG enrichment. Core genes were screened using Betweenness and MCC algorithms. GSE164805 and GSE171110 dataset were used to verify the expression level of core genes. Immunoinfiltration analysis was performed by ssGSEA algorithm in the GSVA package. The DrugBank database was used to analyze the feature genes for potential therapeutic drugs. RESULTS This study obtained 6950 DEGs, of which 971 corresponded with CRS disease genes (common genes). GO and KEGG enrichment showed that multiple biological processes and signaling pathways associated with common genes were closely related to the inflammatory response. Furthermore, the analysis revealed that transcription factors that regulate these common genes are also involved in inflammatory response. Betweenness and MCC algorithms were used for common gene screening, yielding seven key genes. GSE164805 and GSE171110 dataset validation revealed significant differences between the COVID-19 and normal controls in four core genes (feature genes), namely IL6R, TLR4, TLR2, and IFNG. The upregulated IL6R, TLR4, and TLR2 genes were mainly involved in the Toll-like receptor signaling pathway of the inflammatory pathway, while the downregulated IFNG genes primarily participated in the necroptosis and JAK-STAT signaling pathways. Moreover, immune infiltration analysis indicated that higher expression of these genes was associated with immune cell infiltration that mediates inflammatory response. In addition, potential therapeutic drugs for these four feature genes were identified via the DrugBank database. CONCLUSION IL6R, TLR4, TLR2, and IFNG may be potential pathogenic genes and therapeutic targets for the CRS associated with COVID-19.
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Affiliation(s)
- Bing Yang
- The Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Meijun Pan
- The Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Kai Feng
- The Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Xue Wu
- The Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Fang Yang
- The Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Peng Yang
- The Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, China
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13
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Li T, Wang D, Wei H, Xu X. Cytokine storm and translating IL-6 biology into effective treatments for COVID-19. Front Med 2023; 17:1080-1095. [PMID: 38157195 DOI: 10.1007/s11684-023-1044-4] [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: 05/15/2023] [Accepted: 10/23/2023] [Indexed: 01/03/2024]
Abstract
As of May 3, 2023, the Coronavirus disease 2019 (COVID-19) pandemic has resulted in more than 760 million confirmed cases and over 6.9 million deaths. Several patients have developed pneumonia, which can deteriorate into acute respiratory distress syndrome. The primary etiology may be attributed to cytokine storm, which is triggered by the excessive release of proinflammatory cytokines and subsequently leads to immune dysregulation. Considering that high levels of interleukin-6 (IL-6) have been detected in several highly pathogenic coronavirus-infected diseases, such as severe acute respiratory syndrome in 2002, the Middle East respiratory syndrome in 2012, and COVID-19, the IL-6 pathway has emerged as a key in the pathogenesis of this hyperinflammatory state. Thus, we review the history of cytokine storm and the process of targeting IL-6 signaling to elucidate the pivotal role played by tocilizumab in combating COVID-19.
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Affiliation(s)
- Tiantian Li
- Department of Geriatric Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Dongsheng Wang
- Respiratory and Critical Care Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Haiming Wei
- Institute of Immunology and the CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Science and Medical Center, University of Science and Technology of China, Hefei, 230001, China
- Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, 230001, China
| | - Xiaoling Xu
- Respiratory and Critical Care Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China.
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14
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Silva MJA, Silva CS, Marinho RL, Cabral JG, Gurrão EPDC, dos Santos PAS, Casseb SMM, Lima KVB, Lima LNGC. Analysis of Epidemiological Factors and SNP rs3804100 of TLR2 for COVID-19 in a Cohort of Professionals Who Worked in the First Pandemic Wave in Belém-PA, Brazil. Genes (Basel) 2023; 14:1907. [PMID: 37895256 PMCID: PMC10606513 DOI: 10.3390/genes14101907] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 09/19/2023] [Accepted: 09/25/2023] [Indexed: 10/29/2023] Open
Abstract
COVID-19 is an infectious disease caused by coronavirus 2 of the severe acute syndrome (SARS-CoV-2). Single nucleotide polymorphisms (SNPs) in genes, such as TLR2, responsible for an effective human immune response, can change the course of infection. The objective of this article was to verify associations between epidemiological factors and TLR2 SNP rs3804100 (Thymine [T] > Cytosine [C]) in professionals from Health Institutions (HI) who worked during the first pandemic wave and COVID-19. A case-control study was conducted with Belém-PA HI workers (Northern Brazil), divided into symptomatology groups (Asymptomatic-AS; n = 91; and Symptomatic-SI; n = 123); and severity groups classified by Chest Computerized Tomography data (symptomatic with pulmonary involvement-SCP; n = 35; symptomatic without pulmonary involvement-SSP; n = 8). Genotyping was performed by Sanger sequencing, and Statistical Analysis was conducted through the SPSS program. Bioinformatics servers predicted the biological functions of the TLR2 SNP. There were associations between the presence of comorbidities and poor prognosis of COVID-19 (especially between symptomatology and severity of COVID-19 and overweight and obesity) and between the sickness in family members and kinship (related to blood relatives). The homozygous recessive (C/C) genotype was not found, and the frequency of the mutant allele (C) was less than 10% in the cohort. No significant associations were found for this SNP in this cohort. The presence of SNP was indicated to be benign and causes a decrease in the stability of the TLR2 protein. These data can help the scientific community and medicine find new forms of COVID-19 containment.
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Affiliation(s)
- Marcos Jessé Abrahão Silva
- Master Program in Epidemiology and Health Surveillance (PPGEVS), Evandro Chagas Institute (IEC), Ananindeua 67030-000, PA, Brazil
| | - Caroliny Soares Silva
- Master and PhD Program in Parasitic Biology in the Amazon (PPGBPA), University of State of Pará (UEPA), Belém 66087-670, PA, Brazil; (C.S.S.); (P.A.S.d.S.)
| | - Rebecca Lobato Marinho
- Evandro Chagas Institute (IEC), Ananindeua 67030-000, PA, Brazil; (R.L.M.); (J.G.C.); (E.P.d.C.G.); (S.M.M.C.); (K.V.B.L.)
| | - Jeanne Gonçalves Cabral
- Evandro Chagas Institute (IEC), Ananindeua 67030-000, PA, Brazil; (R.L.M.); (J.G.C.); (E.P.d.C.G.); (S.M.M.C.); (K.V.B.L.)
| | - Ellen Polyana da Costa Gurrão
- Evandro Chagas Institute (IEC), Ananindeua 67030-000, PA, Brazil; (R.L.M.); (J.G.C.); (E.P.d.C.G.); (S.M.M.C.); (K.V.B.L.)
| | - Pabllo Antonny Silva dos Santos
- Master and PhD Program in Parasitic Biology in the Amazon (PPGBPA), University of State of Pará (UEPA), Belém 66087-670, PA, Brazil; (C.S.S.); (P.A.S.d.S.)
| | - Samir Mansour Moraes Casseb
- Evandro Chagas Institute (IEC), Ananindeua 67030-000, PA, Brazil; (R.L.M.); (J.G.C.); (E.P.d.C.G.); (S.M.M.C.); (K.V.B.L.)
| | - Karla Valéria Batista Lima
- Evandro Chagas Institute (IEC), Ananindeua 67030-000, PA, Brazil; (R.L.M.); (J.G.C.); (E.P.d.C.G.); (S.M.M.C.); (K.V.B.L.)
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15
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Martínez-Gómez LE, Martinez-Armenta C, Medina-Luna D, Ordoñez-Sánchez ML, Tusie-Luna T, Ortega-Peña S, Herrera-López B, Suarez-Ahedo C, Jimenez-Gutierrez GE, Hidalgo-Bravo A, Vázquez-Cárdenas P, Vidal-Vázquez RP, Ramírez-Hinojosa JP, Martinez Matsumoto PM, Vargas-Alarcón G, Posadas-Sánchez R, Fragoso JM, Martínez-Ruiz FDJ, Zayago-Angeles DM, Mata-Miranda MM, Vázquez-Zapién GJ, Martínez-Cuazitl A, Andrade-Alvarado J, Granados J, Ramos-Tavera L, Camacho-Rea MDC, Segura-Kato Y, Rodríguez-Pérez JM, Coronado-Zarco R, Franco-Cendejas R, López-Jácome LE, Magaña JJ, Vela-Amieva M, Pineda C, Martínez-Nava GA, López-Reyes A. Implication of myddosome complex genetic variants in outcome severity of COVID-19 patients. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2023; 56:939-950. [PMID: 37365052 PMCID: PMC10273757 DOI: 10.1016/j.jmii.2023.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 03/31/2023] [Accepted: 06/10/2023] [Indexed: 06/28/2023]
Abstract
BACKGROUND/PURPOSE(S) During a viral infection, the immune response is mediated by the toll-like receptors and myeloid differentiation Factor 88 (MyD88) that play an important role sensing infections such as SARS-CoV-2 which has claimed the lives of more than 6.8 million people around the world. METHODS We carried out a cross-sectional with a population of 618 SARS-CoV-2-positive unvaccinated subjects and further classified based on severity: 22% were mild, 34% were severe, 26% were critical, and 18% were deceased. Toll Like Receptor 7 (TLR7) single-nucleotide polymorphisms (rs3853839, rs179008, rs179009, and rs2302267) and MyD88 (rs7744) were genotyped using TaqMan OpenArray. The association of polymorphisms with disease outcomes was performed by logistic regression analysis adjusted by covariates. RESULTS A significant association of rs3853839 and rs7744 of the TLR7 and MyD88 genes, respectively, was found with COVID-19 severity. The G/G genotype of the rs3853839 TLR7 was associated with the critical outcome showing an Odd Ratio = 1.98 (95% IC = 1.04-3.77). The results highlighted an association of the G allele of MyD88 gene with severe, critical and deceased outcomes. Furthermore, in the dominant model (AG + GG vs. AA), we observed an Odd Ratio = 1.70 (95% CI = 1.02-2.86) with severe, Odd Ratio = 1.82 (95% CI = 1.04-3.21) with critical, and Odd Ratio = 2.44 (95% CI = 1.21-4.9) with deceased outcomes. CONCLUSION To our knowledge this work represents an innovative report that highlights the significant association of TLR7 and MyD88 gene polymorphisms with COVID-19 outcomes and the possible implication of the MyD88 variant with D-dimer and IFN-α concentrations.
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Affiliation(s)
- Laura E Martínez-Gómez
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Carlos Martinez-Armenta
- Graduate Program in Experimental Biology, Dirección de Ciencias Biológicas y de la Salud (DCBS), Universidad Autónoma Metropolitana Iztapalapa, Ciudad de México, Mexico.
| | - Daniel Medina-Luna
- Microbiology & Immunology Department, Dalhousie University, Halifax, B3H4R2, Nova Scotia, Canada.
| | - María Luisa Ordoñez-Sánchez
- Unidad de Biología Molecular y Medicina Genómica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico.
| | - Tere Tusie-Luna
- Unidad de Biología Molecular y Medicina Genómica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico; Instituto de Investigaciones Biomédicas Universidad Nacional Autónoma de México, Mexico City, Mexico.
| | - Silvestre Ortega-Peña
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Brígida Herrera-López
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Carlos Suarez-Ahedo
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Guadalupe Elizabeth Jimenez-Gutierrez
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Alberto Hidalgo-Bravo
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Paola Vázquez-Cárdenas
- Centro de Innovación Médica Aplicada, Hospital General Dr. Manuel Gea González, Ciudad de México, Mexico.
| | - Rosa P Vidal-Vázquez
- Centro de Innovación Médica Aplicada, Hospital General Dr. Manuel Gea González, Ciudad de México, Mexico.
| | - Juan P Ramírez-Hinojosa
- Centro de Innovación Médica Aplicada, Hospital General Dr. Manuel Gea González, Ciudad de México, Mexico.
| | | | - Gilberto Vargas-Alarcón
- Departamento de Biología Molecular y Endocrinología, Instituto Nacional de Cardiología Ignacio Chávez, Ciudad de México, Mexico.
| | - Rosalinda Posadas-Sánchez
- Departamento de Biología Molecular y Endocrinología, Instituto Nacional de Cardiología Ignacio Chávez, Ciudad de México, Mexico.
| | - José-Manuel Fragoso
- Departamento de Biología Molecular y Endocrinología, Instituto Nacional de Cardiología Ignacio Chávez, Ciudad de México, Mexico.
| | | | | | - Mónica Maribel Mata-Miranda
- Laboratorio de Biología Celular y Tisular, Laboratorio de Embriología, Escuela Médico Militar, Universidad del Ejército y Fuerza Aérea, Ciudad de México, Mexico.
| | - Gustavo Jesús Vázquez-Zapién
- Laboratorio de Biología Celular y Tisular, Laboratorio de Embriología, Escuela Médico Militar, Universidad del Ejército y Fuerza Aérea, Ciudad de México, Mexico.
| | - Adriana Martínez-Cuazitl
- Laboratorio de Biología Celular y Tisular, Laboratorio de Embriología, Escuela Médico Militar, Universidad del Ejército y Fuerza Aérea, Ciudad de México, Mexico.
| | - Javier Andrade-Alvarado
- Servicio de Cirugía General, Hospital Central Norte Petróleos Mexicanos (PEMEX), Estado de México, Mexico.
| | - Julio Granados
- Departamento de Inmunogenética, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Secretaría de Salud, Mexico City, Mexico.
| | - Luis Ramos-Tavera
- Departamento de Inmunogenética, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Secretaría de Salud, Mexico City, Mexico.
| | - María Del Carmen Camacho-Rea
- Departamento de Nutrición Animal, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Secretaría de Salud, Mexico City, Mexico
| | - Yayoi Segura-Kato
- Unidad de Biología Molecular y Medicina Genómica, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico.
| | - José Manuel Rodríguez-Pérez
- Departamento de Biología Molecular y Endocrinología, Instituto Nacional de Cardiología Ignacio Chávez, Ciudad de México, Mexico.
| | - Roberto Coronado-Zarco
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Rafael Franco-Cendejas
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Luis Esau López-Jácome
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Jonathan J Magaña
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Marcela Vela-Amieva
- Laboratorio de Errores Innatos del Metabolismo y Tamiz, Instituto Nacional de Pediatría, Secretaria de Salud, Ciudad de México, Mexico.
| | - Carlos Pineda
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Gabriela Angélica Martínez-Nava
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
| | - Alberto López-Reyes
- Laboratorio de Gerociencias, Dirección General, Medicina de Rehabilitación, Laboratorio de Infectología, Departamento de Reconstrucción Articular, Laboratorio de Medicina Genómica, Laboratorio Facilitador. Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Ciudad de México, Mexico.
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16
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Smith M, Meliopoulos V, Tan S, Bub T, Brigleb PH, Sharp B, Crawford JC, Prater MS, Pruett-Miller SM, Schultz-Cherry S. The β6 Integrin Negatively Regulates TLR7-Mediated Epithelial Immunity via Autophagy During Influenza A Virus Infection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.28.555098. [PMID: 37693589 PMCID: PMC10491108 DOI: 10.1101/2023.08.28.555098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Integrins are essential surface receptors that sense extracellular changes to initiate various intracellular signaling cascades. The rapid activation of the epithelial-intrinsic β6 integrin during influenza A virus (IAV) infection has been linked to innate immune impairments. Yet, how β6 regulates epithelial immunity remains undefined. Here, we identify the role of β6 in mediating the Toll-like receptor 7 (TLR7) through the regulation of intracellular trafficking. We demonstrate that deletion of the β6 integrin in lung epithelial cells significantly enhances the TLR7-mediated activation of the type I interferon (IFN) response during homeostasis and respiratory infection. IAV-induced β6 facilitates TLR7 trafficking to lysosome-associated membrane protein (LAMP2a) components, leading to a reduction in endosomal compartments and associated TLR7 signaling. Our findings reveal an unappreciated role of β6-induced autophagy in influencing epithelial immune responses during influenza virus infection.
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17
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Naushad SM, Mandadapu G, Ramaiah MJ, Almajhdi FN, Hussain T. The role of TLR7 agonists in modulating COVID-19 severity in subjects with loss-of-function TLR7 variants. Sci Rep 2023; 13:13078. [PMID: 37567916 PMCID: PMC10421879 DOI: 10.1038/s41598-023-40114-8] [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: 02/01/2023] [Accepted: 08/04/2023] [Indexed: 08/13/2023] Open
Abstract
We investigate the mechanism associated with the severity of COVID-19 in men with TLR7 mutation. Men with loss-of-function (LOF) mutations in TLR7 had severe COVID-19. LOF mutations in TLR7 increased the risk of critical COVID by 16.00-fold (95% confidence interval 2.40-106.73). The deleterious mutations affect the binding of SARS-CoV2 RNA (- 328.66 ± 26.03 vs. - 354.08 ± 27.70, p = 0.03) and MYD88 (β: 40.279, p = 0.003) to TLR7 resulting in the disruption of TLR7-MyD88-TIRAP complex. In certain hypofunctional variants and all neutral/benign variants, there is no disruption of TLR7-MyD88-TIRAP complex and four TLR7 agonists showed binding affinity comparable to that of wild protein. N-acetylcysteine (NAC) also showed a higher binding affinity for the LOF variants (p = 0.03). To conclude, TLR7 LOF mutations increase the risk of critical COVID-19 due to loss of viral RNA sensing ability and disrupted MyD88 signaling. Majority of hypofunctional and neutral variants of TLR7 are capable of carrying MyD88 signaling by binding to different TLR7 agonists and NAC.
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Affiliation(s)
- Shaik Mohammad Naushad
- Yoda LifeLine Diagnostics Pvt Ltd, 6-3-862/A, Lal Bungalow Add on, Ameerpet, Hyderabad, 500016, India.
| | | | | | - Fahad N Almajhdi
- COVID-19 Virus Research Chair, Department of Botany and Microbiology, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
| | - Tajamul Hussain
- Center of Excellence in Biotechnology Research, College of Science, King Saud University, 11451, Riyadh, Saudi Arabia
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18
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Lin YS, Chang YC, Chao TL, Tsai YM, Jhuang SJ, Ho YH, Lai TY, Liu YL, Chen CY, Tsai CY, Hsueh YP, Chang SY, Chuang TH, Lee CY, Hsu LC. The Src-ZNRF1 axis controls TLR3 trafficking and interferon responses to limit lung barrier damage. J Exp Med 2023; 220:214096. [PMID: 37158982 PMCID: PMC10174191 DOI: 10.1084/jem.20220727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 01/23/2023] [Accepted: 03/02/2023] [Indexed: 05/10/2023] Open
Abstract
Type I interferons are important antiviral cytokines, but prolonged interferon production is detrimental to the host. The TLR3-driven immune response is crucial for mammalian antiviral immunity, and its intracellular localization determines induction of type I interferons; however, the mechanism terminating TLR3 signaling remains obscure. Here, we show that the E3 ubiquitin ligase ZNRF1 controls TLR3 sorting into multivesicular bodies/lysosomes to terminate signaling and type I interferon production. Mechanistically, c-Src kinase activated by TLR3 engagement phosphorylates ZNRF1 at tyrosine 103, which mediates K63-linked ubiquitination of TLR3 at lysine 813 and promotes TLR3 lysosomal trafficking and degradation. ZNRF1-deficient mice and cells are resistant to infection by encephalomyocarditis virus and SARS-CoV-2 because of enhanced type I interferon production. However, Znrf1-/- mice have exacerbated lung barrier damage triggered by antiviral immunity, leading to enhanced susceptibility to respiratory bacterial superinfections. Our study highlights the c-Src-ZNRF1 axis as a negative feedback mechanism controlling TLR3 trafficking and the termination of TLR3 signaling.
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Affiliation(s)
- You-Sheng Lin
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
| | - Yung-Chi Chang
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
| | - Tai-Ling Chao
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
- Genomics Research Center, Academia Sinica , Taipei, Taiwan
| | - Ya-Min Tsai
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Shu-Jhen Jhuang
- Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Yu-Hsin Ho
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
| | - Ting-Yu Lai
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
| | - Yi-Ling Liu
- Immunology Research Center, National Health Research Institutes , Zhunan, Taiwan
| | - Chiung-Ya Chen
- Institute of Molecular Biology, Academia Sinica , Taipei, Taiwan
| | - Ching-Yen Tsai
- Institute of Molecular Biology, Academia Sinica , Taipei, Taiwan
| | - Yi-Ping Hsueh
- Institute of Molecular Biology, Academia Sinica , Taipei, Taiwan
| | - Sui-Yuan Chang
- Department of Clinical Laboratory Sciences and Medical Biotechnology, College of Medicine, National Taiwan University, Taipei, Taiwan
- Department of Laboratory Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | - Tsung-Hsien Chuang
- Immunology Research Center, National Health Research Institutes , Zhunan, Taiwan
| | - Chih-Yuan Lee
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
- Department of Surgery, National Taiwan University Hospital, Taipei City, Taiwan
| | - Li-Chung Hsu
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
- Graduate Institute of Immunology, College of Medicine, National Taiwan University , Taipei, Taiwan
- Center of Precision Medicine, College of Medicine, National Taiwan University , Taipei, Taiwan
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19
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Yang MY, Zheng MH, Meng XT, Ma LW, Liang HY, Fan HY. Role of toll-like receptors in the pathogenesis of COVID-19: Current and future perspectives. Scand J Immunol 2023; 98:e13275. [PMID: 38441378 DOI: 10.1111/sji.13275] [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: 10/22/2022] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 03/07/2024]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic underlines a persistent threat of respiratory tract infectious diseases and warrants preparedness for a rapid response. At present, COVID-19 has had a serious social impact and imposed a heavy global burden on public health. The exact pathogenesis of COVID-19 has not been fully elucidated. Since the outbreak of COVID-19, a renewed attention has been brought to Toll-like receptors (TLRs). Available data and new findings have demonstrated that the interaction of human TLRs and SARS-CoV-2 is a vital mediator of COVID-19 immunopathogenesis. TLRs such as TLR2, 4, 7 and 8 are potentially important in viral combat and activation of immunity in patients with COVID-19. Therapeutics targeting TLRs are currently considered promising options against the pandemic. A number of TLR-targeting immunotherapeutics are now being investigated in preclinical studies and different phases of clinical trials. In addition, innovative vaccines based on TLRs under development could be a promising approach for building a new generation of vaccines to solve the current challenges. In this review, we summarize recent progress in the role of TLRs in COVID-19, focusing the new candidate drugs targeting TLRs, the current technology and potential paths forward for employing TLR agonists as vaccine adjuvants.
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Affiliation(s)
- Ming-Yan Yang
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, China
| | - Mei-Hua Zheng
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, China
| | - Xiang-Ting Meng
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, China
| | - Le-Wei Ma
- Ruikang Pharmaceutical Group Co. Ltd., Yantai, China
| | - Hai-Yue Liang
- Yantai Center for Food and Drug Control, Yantai, China
| | - Hua-Ying Fan
- School of Pharmacy, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Yantai University, Yantai, China
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20
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Panzer B, Kopp CW, Neumayer C, Koppensteiner R, Jozkowicz A, Poledniczek M, Gremmel T, Jilma B, Wadowski PP. Toll-like Receptors as Pro-Thrombotic Drivers in Viral Infections: A Narrative Review. Cells 2023; 12:1865. [PMID: 37508529 PMCID: PMC10377790 DOI: 10.3390/cells12141865] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Toll-like receptors (TLRs) have a critical role in the pathogenesis and disease course of viral infections. The induced pro-inflammatory responses result in the disturbance of the endovascular surface layer and impair vascular homeostasis. The injury of the vessel wall further promotes pro-thrombotic and pro-coagulatory processes, eventually leading to micro-vessel plugging and tissue necrosis. Moreover, TLRs have a direct role in the sensing of viruses and platelet activation. TLR-mediated upregulation of von Willebrand factor release and neutrophil, as well as macrophage extra-cellular trap formation, further contribute to (micro-) thrombotic processes during inflammation. The following review focuses on TLR signaling pathways of TLRs expressed in humans provoking pro-thrombotic responses, which determine patient outcome during viral infections, especially in those with cardiovascular diseases.
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Affiliation(s)
- Benjamin Panzer
- Department of Cardiology, Wilhelminenspital, 1090 Vienna, Austria
| | - Christoph W Kopp
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Christoph Neumayer
- Division of Vascular Surgery, Department of Surgery, Medical University of Vienna, 1090 Vienna, Austria
| | - Renate Koppensteiner
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Alicja Jozkowicz
- Faculty of Biophysics, Biochemistry and Biotechnology, Department of Medical Biotechnology, Jagiellonian University, 30-387 Krakow, Poland
| | - Michael Poledniczek
- Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
| | - Thomas Gremmel
- Institute of Cardiovascular Pharmacotherapy and Interventional Cardiology, Karl Landsteiner Society, 3100 St. Pölten, Austria
- Department of Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, 2130 Mistelbach, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, 1090 Vienna, Austria
| | - Patricia P Wadowski
- Division of Angiology, Department of Internal Medicine II, Medical University of Vienna, 1090 Vienna, Austria
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21
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Nowill AE, Caruso M, de Campos-Lima PO. T-cell immunity to SARS-CoV-2: what if the known best is not the optimal course for the long run? Adapting to evolving targets. Front Immunol 2023; 14:1133225. [PMID: 37388738 PMCID: PMC10303130 DOI: 10.3389/fimmu.2023.1133225] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 05/11/2023] [Indexed: 07/01/2023] Open
Abstract
Humanity did surprisingly well so far, considering how unprepared it was to respond to the coronavirus disease 2019 (COVID-19) threat. By blending old and ingenious new technology in the context of the accumulated knowledge on other human coronaviruses, several vaccine candidates were produced and tested in clinical trials in record time. Today, five vaccines account for the bulk of the more than 13 billion doses administered worldwide. The ability to elicit biding and neutralizing antibodies most often against the spike protein is a major component of the protection conferred by immunization but alone it is not enough to limit virus transmission. Thus, the surge in numbers of infected individuals by newer variants of concern (VOCs) was not accompanied by a proportional increase in severe disease and death rate. This is likely due to antiviral T-cell responses, whose evasion is more difficult to achieve. The present review helps navigating the very large literature on T cell immunity induced by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and vaccination. We examine the successes and shortcomings of the vaccinal protection in the light of the emergence of VOCs with breakthrough potential. SARS-CoV-2 and human beings will likely coexist for a long while: it will be necessary to update existing vaccines to improve T-cell responses and attain better protection against COVID-19.
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Affiliation(s)
- Alexandre E. Nowill
- Integrated Center for Pediatric OncoHaematological Research, State University of Campinas, Campinas, SP, Brazil
| | - Manuel Caruso
- CHU de Québec-Université Laval Research Center (Oncology Division), Université Laval Cancer Research Center, Québec, QC, Canada
| | - Pedro O. de Campos-Lima
- Boldrini Children’s Center, Campinas, SP, Brazil
- Molecular and Morphofunctional Biology Graduate Program, Institute of Biology, State University of Campinas, Campinas, SP, Brazil
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22
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Hu H, Feng Y, He ML. Targeting Type I Interferon Induction and Signaling: How Zika Virus Escapes from Host Innate Immunity. Int J Biol Sci 2023; 19:3015-3028. [PMID: 37416780 PMCID: PMC10321277 DOI: 10.7150/ijbs.83056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/23/2023] [Indexed: 07/08/2023] Open
Abstract
Zika virus (ZIKV) infection causes neurological disorders and draws great attention. ZIKV infection can elicit a wide range of immune response. Type I interferons (IFNs) as well as its signaling cascade play crucial role in innate immunity against ZIKV infection and in turn ZIKV can antagonize them. ZIKV genome are mainly recognized by Toll-like receptors 3 (TLR3), TLR7/8 and RIG-I-like receptor 1 (RIG-1), which induces the expression of Type I IFNs and interferon-stimulated genes (ISGs). ISGs exert antiviral activity at different stages of the ZIKV life cycle. On the other hand, ZIKV takes multiple strategies to antagonize the Type Ⅰ IFN induction and its signaling pathway to establish a pathogenic infection, especially by using the viral nonstructural (NS) proteins. Most of the NS proteins can directly interact with the factors in the pathways to escape the innate immunity. In addition, structural proteins also participate in the innate immune evasion and activation of antibody-binding of blood dendritic cell antigen 2 (BDCA2) or inflammasome also be used to enhance ZIKV replication. In this review, we summarize the recent findings about the interaction between ZIKV infection and type I IFNs pathways and suggest potential strategies for antiviral drug development.
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Affiliation(s)
- Huan Hu
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Yaxiu Feng
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
| | - Ming-Liang He
- Department of Biomedical Sciences, City University of Hong Kong, Hong Kong, China
- City University of Hong Kong Shenzhen Research Institute, Shenzhen 518057, China
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23
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García-Nicolás O, Godel A, Zimmer G, Summerfield A. Macrophage phagocytosis of SARS-CoV-2-infected cells mediates potent plasmacytoid dendritic cell activation. Cell Mol Immunol 2023:10.1038/s41423-023-01039-4. [PMID: 37253946 DOI: 10.1038/s41423-023-01039-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 05/06/2023] [Indexed: 06/01/2023] Open
Abstract
Early and strong interferon type I (IFN-I) responses are usually associated with mild COVID-19 disease, whereas persistent or unregulated proinflammatory cytokine responses are associated with severe disease outcomes. Previous work suggested that monocyte-derived macrophages (MDMs) are resistant and unresponsive to SARS-CoV-2 infection. Here, we demonstrate that upon phagocytosis of SARS-CoV-2-infected cells, MDMs are activated and secrete IL-6 and TNF. Importantly, activated MDMs in turn mediate strong activation of plasmacytoid dendritic cells (pDCs), leading to the secretion of high levels of IFN-α and TNF. Furthermore, pDC activation promoted IL-6 production by MDMs. This kind of pDC activation was dependent on direct integrin-mediated cell‒cell contacts and involved stimulation of the TLR7 and STING signaling pathways. Overall, the present study describes a novel and potent pathway of pDC activation that is linked to the macrophage-mediated clearance of infected cells. These findings suggest that a high infection rate by SARS-CoV-2 may lead to exaggerated cytokine responses, which may contribute to tissue damage and severe disease.
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Affiliation(s)
- O García-Nicolás
- Institute of Virology and Immunology (IVI), Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland.
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.
- Multidisciplinary Center for Infectious Diseases, University of Bern, Bern, Switzerland.
| | - A Godel
- Institute of Virology and Immunology (IVI), Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - G Zimmer
- Institute of Virology and Immunology (IVI), Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - A Summerfield
- Institute of Virology and Immunology (IVI), Sensemattstrasse 293, 3147, Mittelhäusern, Switzerland
- Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
- Multidisciplinary Center for Infectious Diseases, University of Bern, Bern, Switzerland
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24
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Cheng H, Chen W, Lin Y, Zhang J, Song X, Zhang D. Signaling pathways involved in the biological functions of dendritic cells and their implications for disease treatment. MOLECULAR BIOMEDICINE 2023; 4:15. [PMID: 37183207 PMCID: PMC10183318 DOI: 10.1186/s43556-023-00125-3] [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: 01/09/2023] [Accepted: 04/02/2023] [Indexed: 05/16/2023] Open
Abstract
The ability of dendritic cells (DCs) to initiate and regulate adaptive immune responses is fundamental for maintaining immune homeostasis upon exposure to self or foreign antigens. The immune regulatory function of DCs is strictly controlled by their distribution as well as by cytokines, chemokines, and transcriptional programming. These factors work in conjunction to determine whether DCs exert an immunosuppressive or immune-activating function. Therefore, understanding the molecular signals involved in DC-dependent immunoregulation is crucial in providing insight into the generation of organismal immunity and revealing potential clinical applications of DCs. Considering the many breakthroughs in DC research in recent years, in this review we focused on three basic lines of research directly related to the biological functions of DCs and summarized new immunotherapeutic strategies involving DCs. First, we reviewed recent findings on DC subsets and identified lineage-restricted transcription factors that guide the development of different DC subsets. Second, we discussed the recognition and processing of antigens by DCs through pattern recognition receptors, endogenous/exogenous pathways, and the presentation of antigens through peptide/major histocompatibility complexes. Third, we reviewed how interactions between DCs and T cells coordinate immune homeostasis in vivo via multiple pathways. Finally, we summarized the application of DC-based immunotherapy for autoimmune diseases and tumors and highlighted potential research prospects for immunotherapy that targets DCs. This review provides a useful resource to better understand the immunomodulatory signals involved in different subsets of DCs and the manipulation of these immune signals can facilitate DC-based immunotherapy.
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Affiliation(s)
- Hao Cheng
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Wenjing Chen
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Yubin Lin
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Jianan Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xiaoshuang Song
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Dunfang Zhang
- Department of Biotherapy, State Key Laboratory of Biotherapy and Cancer Center, Collaborative Innovation Center of Biotherapy, West China Hospital, Sichuan University, Chengdu, 610041, Sichuan, China.
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25
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Anindya R, Rutter GA, Meur G. New-onset type 1 diabetes and severe acute respiratory syndrome coronavirus 2 infection. Immunol Cell Biol 2023; 101:191-203. [PMID: 36529987 PMCID: PMC9877852 DOI: 10.1111/imcb.12615] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 12/09/2022] [Accepted: 12/16/2022] [Indexed: 12/23/2022]
Abstract
Type 1 diabetes (T1D) is a condition characterized by an absolute deficiency of insulin. Loss of insulin-producing pancreatic islet β cells is one of the many causes of T1D. Viral infections have long been associated with new-onset T1D and the balance between virulence and host immunity determines whether the viral infection would lead to T1D. Herein, we detail the dynamic interaction of pancreatic β cells with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the host immune system with respect to new-onset T1D. Importantly, β cells express the crucial entry receptors and multiple studies confirmed that β cells are infected by SARS-CoV-2. Innate immune system effectors, such as natural killer cells, can eliminate such infected β cells. Although CD4+ CD25+ FoxP3+ regulatory T (TREG ) cells provide immune tolerance to prevent the destruction of the islet β-cell population by autoantigen-specific CD8+ T cells, it can be speculated that SARS-CoV-2 infection may compromise self-tolerance by depleting TREG -cell numbers or diminishing TREG -cell functions by repressing Forkhead box P3 (FoxP3) expression. However, the expansion of β cells by self-duplication, and regeneration from progenitor cells, could effectively replace lost β cells. Appearance of islet autoantibodies following SARS-CoV-2 infection was reported in a few cases, which could imply a breakdown of immune tolerance in the pancreatic islets. However, many of the cases with newly diagnosed autoimmune response following SARS-CoV-2 infection also presented with significantly high HbA1c (glycated hemoglobin) levels that indicated progression of an already set diabetes, rather than new-onset T1D. Here we review the potential underlying mechanisms behind loss of functional β-cell mass as a result of SARS-CoV-2 infection that can trigger new-onset T1D.
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Affiliation(s)
- Roy Anindya
- Department of Biotechnology, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, India
| | - Guy A Rutter
- Section of Cell Biology and Functional Genomics, Division of Diabetes, Endocrinology and Metabolism, Department of Metabolism, Digestion and Reproduction, Imperial College London, London, UK.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore City, Singapore.,Centre of Research of Centre Hospitalier de l'Université de Montréal (CRCHUM), Faculty of Medicine, University of Montréal, Montréal, QC, Canada
| | - Gargi Meur
- ICMR-National Institute of Nutrition, Hyderabad, Telangana, India
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26
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Karki R, Kanneganti TD. Innate immunity, cytokine storm, and inflammatory cell death in COVID-19. J Transl Med 2022; 20:542. [PMID: 36419185 PMCID: PMC9682745 DOI: 10.1186/s12967-022-03767-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022] Open
Abstract
The innate immune system serves as the first line of defense against invading pathogens; however, dysregulated innate immune responses can induce aberrant inflammation that is detrimental to the host. Therefore, careful innate immune regulation is critical during infections. The coronavirus disease 2019 (COVID-19) pandemic is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has resulted in global morbidity and mortality as well as socio-economic stresses. Innate immune sensing of SARS-CoV-2 by multiple host cell pattern recognition receptors leads to the production of various pro-inflammatory cytokines and the induction of inflammatory cell death. These processes can contribute to cytokine storm, tissue damage, and acute respiratory distress syndrome. Here, we discuss the sensing of SARS-CoV-2 to induce innate immune activation and the contribution of this innate immune signaling in the development and severity of COVID-19. In addition, we provide a conceptual framework for innate immunity driving cytokine storm and organ damage in patients with severe COVID-19. A better understanding of the molecular mechanisms regulated by innate immunity is needed for the development of targeted modalities that can improve patient outcomes by mitigating severe disease.
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Affiliation(s)
- Rajendra Karki
- Department of Immunology, St. Jude Children's Research Hospital, MS #351, 262 Danny Thomas Place, Memphis, TN, 38105-3678, USA
| | - Thirumala-Devi Kanneganti
- Department of Immunology, St. Jude Children's Research Hospital, MS #351, 262 Danny Thomas Place, Memphis, TN, 38105-3678, USA.
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Alexopoulou L. Nucleic acid-sensing toll-like receptors: Important players in Sjögren’s syndrome. Front Immunol 2022; 13:980400. [PMID: 36389822 PMCID: PMC9659959 DOI: 10.3389/fimmu.2022.980400] [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: 06/28/2022] [Accepted: 10/12/2022] [Indexed: 11/30/2022] Open
Abstract
Sjögren’s syndrome (SS) is a chronic systemic autoimmune disease that affects the salivary and lacrimal glands, as well as other organ systems like the lungs, kidneys and nervous system. SS can occur alone or in combination with another autoimmune disease, such as systemic lupus erythematosus (SLE) or rheumatoid arthritis. The etiology of SS is unknown but recent studies have revealed the implication of the activation of innate immune receptors, including Toll-like receptors (TLRs), mainly through the detection of endogenous nucleic acids, in the pathogenesis of systemic autoimmune diseases. Studies on SS mouse models suggest that TLRs and especially TLR7 that detects single-stranded RNA of microbial or endogenous origin can drive the development of SS and findings in SS patients corroborate those in mouse models. In this review, we will give an overview of the function and signaling of nucleic acid-sensing TLRs, the interplay of TLR7 with TLR8 and TLR9 in the context of autoimmunity, summarize the evidence for the critical role of TLR7 in the pathogenesis of SS and present a possible connection between SARS-CoV-2 and SS.
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Understanding Host–Virus Interactions: Assessment of Innate Immune Responses in Mastomys natalensis Cells after Arenavirus Infection. Viruses 2022; 14:v14091986. [PMID: 36146793 PMCID: PMC9506377 DOI: 10.3390/v14091986] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/30/2022] [Accepted: 08/31/2022] [Indexed: 11/23/2022] Open
Abstract
Mastomys natalensis is the natural host of various arenaviruses, including the human-pathogenic Lassa virus. Homologous arenaviruses, defined here as those having M. natalensis as a natural host, can establish long-lasting infection in M. natalensis, while these animals rapidly clear arenaviruses having another rodent species as a natural host (heterologous viruses). Little is known about the mechanisms behind the underlying arenavirus–host barriers. The innate immune system, particularly the type I interferon (IFN) response, might play a role. In this study, we developed and validated RT-PCR assays to analyse the expression of M. natalensis interferon-stimulated genes (ISGs). We then used these assays to study if homologous and heterologous viruses induce different IFN responses in M. natalensis cells. Infection experiments were performed with the homologous Lassa and Morogoro viruses and the related but heterologous Mobala virus. Compared to the direct induction with IFN or Poly(I:C), arenaviruses generally induced a weak IFN response. However, the ISG-expression profiles of homologous and heterologous viruses were similar. Our data indicate that, at least in M. natalensis cells, the IFN system is not a major factor in the virus–host barrier for arenaviruses. Our system provides a valuable tool for future in vivo investigation of arenavirus host restrictions at the level of the innate immune response.
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Davitt E, Davitt C, Mazer MB, Areti SS, Hotchkiss RS, Remy KE. COVID-19 disease and immune dysregulation. Best Pract Res Clin Haematol 2022; 35:101401. [PMID: 36494149 PMCID: PMC9568269 DOI: 10.1016/j.beha.2022.101401] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/11/2022] [Indexed: 12/15/2022]
Abstract
The SARS-CoV-2 virus has complex and divergent immune alterations in differing hosts and over disease evolution. Much of the nuanced COVID-19 disease immune dysregulation was originally dominated by innate cytokine changes, which has since been replaced with a more complex picture of innate and adaptive changes characterized by simultaneous hyperinflammatory and immunosuppressive phenomena in effector cells. These intricacies are summarized in this review as well as potential relevance from acute infection to a multisystem inflammatory syndrome commonly seen in children. Additional consideration is made for the influence of variant to variant host cellular changes and the impact of potential vaccination upon these phenotypes. Finally, therapeutic benefit for immune alterations are discussed.
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Affiliation(s)
- Ethan Davitt
- School of Medicine, Washington University in St. Louis, St. Louis, MO, USA
| | - Colin Davitt
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Monty B. Mazer
- Department of Pediatrics, University Hospitals of Cleveland, Cleveland, OH, USA,School of Medicine, Case Western Reserve University, Cleveland, OH, USA
| | - Sathya S. Areti
- Department of Internal Medicine, University Hospitals of Cleveland, Cleveland, OH, USA
| | - Richard S. Hotchkiss
- School of Medicine, Washington University in St. Louis, St. Louis, MO, USA,Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA
| | - Kenneth E. Remy
- Department of Anesthesiology, Washington University School of Medicine, St. Louis, MO, USA,Department of Pediatrics, University Hospitals of Cleveland, Cleveland, OH, USA,Department of Internal Medicine, University Hospitals of Cleveland, Cleveland, OH, USA,School of Medicine, Case Western Reserve University, Cleveland, OH, USA,Corresponding author.Department of Internal Medicine, Case Western Reserve University, School of Medicine, University Hospitals of Cleveland, 11100 Euclid Ave, Cleveland, OH, USA
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30
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Umar S, Palasiewicz K, Meyer A, Kumar P, Prabhakar BS, Volin MV, Rahat R, Al-Awqati M, Chang HJ, Zomorrodi RK, Rehman J, Shahrara S. Inhibition of IRAK4 dysregulates SARS-CoV-2 spike protein-induced macrophage inflammatory and glycolytic reprogramming. Cell Mol Life Sci 2022; 79:301. [PMID: 35588018 PMCID: PMC9118817 DOI: 10.1007/s00018-022-04329-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 04/26/2022] [Accepted: 04/27/2022] [Indexed: 12/13/2022]
Abstract
Escalated innate immunity plays a critical role in SARS-CoV-2 pathology; however, the molecular mechanism is incompletely understood. Thus, we aim to characterize the molecular mechanism by which SARS-CoV-2 Spike protein advances human macrophage (Mϴ) inflammatory and glycolytic phenotypes and uncover novel therapeutic strategies. We found that human Mϴs exposed to Spike protein activate IRAK4 phosphorylation. Blockade of IRAK4 in Spike protein-stimulated Mϴs nullifies signaling of IRAK4, AKT, and baseline p38 without affecting ERK and NF-κB activation. Intriguingly, IRAK4 inhibitor (IRAK4i) rescues the SARS-CoV-2-induced cytotoxic effect in ACE2+HEK 293 cells. Moreover, the inflammatory reprogramming of Mϴs by Spike protein was blunted by IRAK4i through IRF5 and IRF7, along with the reduction of monokines, IL-6, IL-8, TNFα, and CCL2. Notably, in Spike protein-stimulated Mϴs, suppression of the inflammatory markers by IRAK4i was coupled with the rebalancing of oxidative phosphorylation over metabolic activity. This metabolic adaptation promoted by IRAK4i in Spike protein-activated Mϴs was shown to be in part through constraining PFKBF3, HIF1α, cMYC, LDHA, lactate expression, and reversal of citrate and succinate buildup. IRAK4 knockdown could comparably impair Spike protein-enhanced inflammatory and metabolic imprints in human Mϴs as those treated with ACE2, TLR2, and TLR7 siRNA. Extending these results, in murine models, where human SARS-CoV-2 Spike protein was not recognized by mouse ACE2, TLRs were responsible for the inflammatory and glycolytic responses instigated by Spike protein and were dysregulated by IRAK4i therapy. In conclusion, IRAK4i may be a promising strategy for severe COVID-19 patients by counter-regulating ACE2 and TLR-mediated Mϴ hyperactivation. IRAK4i therapy counteracts Mϴ inflammatory and glycolytic reprogramming triggered by Spike protein. This study illustrates that SARS-CoV-2 Spike protein activates IRAK4 signaling via ACE2 as well as TLR2 and TLR7 sensing in human Mϴs. Remarkably, IRAK4i treatment can dysregulate both ACE-dependent and independent (via TLR sensing) SARS-CoV-2 Spike protein-activated inflammatory and metabolic imprints.
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Affiliation(s)
- Sadiq Umar
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Karol Palasiewicz
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Anja Meyer
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Prabhakaran Kumar
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, USA
| | - Bellur S Prabhakar
- Department of Microbiology and Immunology, University of Illinois at Chicago, Chicago, IL, USA
| | - Michael V Volin
- Department of Microbiology and Immunology, Midwestern University, Downers Grove, IL, USA
| | - Rani Rahat
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Mina Al-Awqati
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Huan J Chang
- Jesse Brown VA Medical Center, Chicago, IL, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Ryan K Zomorrodi
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA
| | - Jalees Rehman
- Department of Pharmacology and Regenerative Medicine, The University of Illinois at Chicago, Chicago, IL, USA
- Department of Medicine, Division of Cardiology, University of Illinois at Chicago, Chicago, IL, USA
| | - Shiva Shahrara
- Jesse Brown VA Medical Center, Chicago, IL, USA.
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, 840 S Wood Street, CSB suite 1114, Chicago, IL, 60612, USA.
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