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Agustiningsih D, Wibawa T. Demystifying roles of exercise in immune response regulation against acute respiratory infections: A narrative review. SPORTS MEDICINE AND HEALTH SCIENCE 2024; 6:139-153. [PMID: 38708320 PMCID: PMC11067861 DOI: 10.1016/j.smhs.2024.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 01/09/2024] [Accepted: 01/19/2024] [Indexed: 05/07/2024] Open
Abstract
The benefits of physical activity and exercise, especially those classified as moderate-to-vigorous activity (MVPA), have been well-established in preventing non-communicable diseases and mental health problems in healthy adults. However, the relationship between physical activity and exercise and the prevention and management of acute respiratory infection (ARI), a global high-burden disease, has been inconclusive. There have been debates and disagreements among scientific publications regarding the relationship between exercise and immune response against the causative agents of ARI. This narrative review aims to explore the theory that sufficiently explains the correlation between exercise, immune response, and ARI. The potential root causes of discrepancies come from research associated with the "open window" hypothesis. The studies have several limitations, and future improvements to address them are urgently needed in the study design, data collection, exercise intervention, subject recruitment, biomarkers for infection and inflammation, nutritional and metabolism status, and in addressing confounding variables. In conclusion, data support the clinical advantages of exercise have a regulatory contribution toward improving the immune response, which in turn potentially protects humans fromARI. However, the hypothesis related to its negative effect must be adopted cautiously.
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Affiliation(s)
- Denny Agustiningsih
- Department of Physiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia
| | - Tri Wibawa
- Department of Microbiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, 55281, Indonesia
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2
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Penteado AB, de Oliveira Ribeiro G, Lima Araújo EL, Kato RB, de Melo Freire CC, de Araújo JMG, da Luz Wallau G, Salvato RS, de Jesus R, Bosco GG, Franz HF, da Silva PEA, de Souza Leal E, Goulart Trossini GH, de Lima Neto DF. Binding Evolution of the Dengue Virus Envelope Against DC-SIGN: A Combined Approach of Phylogenetics and Molecular Dynamics Analyses Over 30 Years of Dengue Virus in Brazil. J Mol Biol 2024; 436:168577. [PMID: 38642883 DOI: 10.1016/j.jmb.2024.168577] [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: 01/09/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/22/2024]
Abstract
The Red Queen Hypothesis (RQH), derived from Lewis Carroll's "Through the Looking-Glass", postulates that organisms must continually adapt in response to each other to maintain relative fitness. Within the context of host-pathogen interactions, the RQH implies an evolutionary arms race, wherein viruses evolve to exploit hosts and hosts evolve to resist viral invasion. This study delves into the dynamics of the RQH in the context of virus-cell interactions, specifically focusing on virus receptors and cell receptors. We observed multiple virus-host systems and noted patterns of co-evolution. As viruses evolved receptor-binding proteins to effectively engage with cell receptors, cells countered by altering their receptor genes. This ongoing mutual adaptation cycle has influenced the molecular intricacies of receptor-ligand interactions. Our data supports the RQH as a driving force behind the diversification and specialization of both viral and host cell receptors. Understanding this co-evolutionary dance offers insights into the unpredictability of emerging viral diseases and potential therapeutic interventions. Future research is crucial to dissect the nuanced molecular changes and the broader ecological consequences of this ever-evolving battle. Here, we combine phylogenetic inferences, structural modeling, and molecular dynamics analyses to describe the epidemiological characteristics of major Brazilian DENV strains that circulated from 1990 to 2022 from a combined perspective, thus providing us with a more detailed picture on the dynamics of such interactions over time.
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MESH Headings
- Dengue Virus/genetics
- Dengue Virus/metabolism
- Receptors, Cell Surface/metabolism
- Receptors, Cell Surface/genetics
- Receptors, Cell Surface/chemistry
- Phylogeny
- Molecular Dynamics Simulation
- Humans
- Cell Adhesion Molecules/metabolism
- Cell Adhesion Molecules/genetics
- Cell Adhesion Molecules/chemistry
- Brazil
- Lectins, C-Type/metabolism
- Lectins, C-Type/genetics
- Lectins, C-Type/chemistry
- Evolution, Molecular
- Dengue/virology
- Host-Pathogen Interactions/genetics
- Protein Binding
- Viral Envelope/metabolism
- Receptors, Virus/metabolism
- Receptors, Virus/chemistry
- Receptors, Virus/genetics
- Viral Envelope Proteins/genetics
- Viral Envelope Proteins/metabolism
- Viral Envelope Proteins/chemistry
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Affiliation(s)
- André Berndt Penteado
- School of Pharmaceutical Sciences, University of São Paulo, Department of Pharmacy, Av. Prof. Lineu Prestes, 580, Cidade Universitária, São Paulo, SP 05508-000, Brazil
| | - Geovani de Oliveira Ribeiro
- General-Coordination of Public Health Laboratories, Department of Strategic Coordination and Surveillance in Health and the Environment, Ministry of Health, Brasilia, Brazil; Department of Cellular Biology, University of Brasilia (UNB), Brasilia, Distrito Federal, Brazil
| | - Emerson Luiz Lima Araújo
- General Coordination of Attention to Communicable Diseases in Primary Care of the Department of Comprehensive Care Management of the Secretariat of Primary Health Care of the Ministry of Health (CDTAP/DGCI/SAPS-MS), Brazil
| | - Rodrigo Bentes Kato
- General-Coordination of Public Health Laboratories, Department of Strategic Coordination and Surveillance in Health and the Environment, Ministry of Health, Brasilia, Brazil
| | - Caio Cesar de Melo Freire
- Department of Genetics and Evolution, Centre of Biological and Health Sciences, Federal University of Sao Carlos, PO Box 676, Washington Luis Road, km 235, São Carlos, SP 13565-905, Brazil
| | - Joselio Maria Galvão de Araújo
- Federal University of Rio Grande do Norte, Biosciences Center, Department of Microbiology and Parasitology, Campus Universitário, S/N Lagoa Nova 59078900, Natal, RN, Brazil
| | - Gabriel da Luz Wallau
- Department of Entomology and Bioinformatics Center of the Aggeu Magalhães Institute - FIOCRUZ - IAM, Brazil
| | - Richard Steiner Salvato
- Center for Scientific and Technological Development, State Center for Health Surveillance of Rio Grande do Sul, State Department of Health of Rio Grande do Sul, Porto Alegre, Brazil
| | - Ronaldo de Jesus
- General-Coordination of Public Health Laboratories, Department of Strategic Coordination and Surveillance in Health and the Environment, Ministry of Health, Brasilia, Brazil
| | - Geraldine Goés Bosco
- University of São Paulo, Faculty of Philosophy Sciences and Letters of Ribeirão Preto. Av. Bandeirantes, 3900 Ribeirão Preto, SP, Brazil
| | - Helena Ferreira Franz
- General-Coordination of Public Health Laboratories, Department of Strategic Coordination and Surveillance in Health and the Environment, Ministry of Health, Brasilia, Brazil
| | - Pedro Eduardo Almeida da Silva
- General-Coordination of Public Health Laboratories, Department of Strategic Coordination and Surveillance in Health and the Environment, Ministry of Health, Brasilia, Brazil
| | - Elcio de Souza Leal
- Federal University of Pará, Faculty of Biotechnology, Institute of Biological Sciences, Rua Augusto Corrêa, Guamá, 04039-032 Belem, PA, Brazil
| | - Gustavo Henrique Goulart Trossini
- School of Pharmaceutical Sciences, University of São Paulo, Department of Pharmacy, Av. Prof. Lineu Prestes, 580, Cidade Universitária, São Paulo, SP 05508-000, Brazil
| | - Daniel Ferreira de Lima Neto
- School of Pharmaceutical Sciences, University of São Paulo, Department of Pharmacy, Av. Prof. Lineu Prestes, 580, Cidade Universitária, São Paulo, SP 05508-000, Brazil.
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Zentsova I, Klocperk A, Bloomfield M, Kubesova H, Malcova H, Cebecauerova D, Horvath R, Sediva A, Parackova Z. Tumor-necrosis factor α-rich environment alters type-I interferon response to viral stimuli in patients with juvenile idiopathic arthritis by altering myeloid dendritic cell phenotype. Clin Immunol 2024; 262:110170. [PMID: 38460895 DOI: 10.1016/j.clim.2024.110170] [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: 10/24/2023] [Revised: 02/27/2024] [Accepted: 03/04/2024] [Indexed: 03/11/2024]
Abstract
The balance between the tumor-necrosis factor α (TNFα) and type-I interferon (T1IFN) pathways is crucial for proper immune function. Dysregulation of either pathway can contribute to autoimmune diseases development. Even though TNFα blockade has shown promising results in various autoimmune diseases, the effect on the balance between TNFα and T1IFN is elusive. We used targeted anti-TNFα therapies in juvenile idiopathic arthritis (JIA) as an experimental approach to study the cross-regulation between TNFα and type-I IFN. We found that TNFα-rich environment affected viral defense through the attenuation of T1IFN responses and affected the phenotype and distribution of myeloid dendritic cells, which are engaged in early viral infections. Anti-TNFα therapy normalized the observed deviations in JIA patients. We hypothesize that the inadequate immune response caused by a high TNFα environment could be projected to more frequent or lengthy viral infections and possibly play a role in the process of JIA disease development.
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Affiliation(s)
- Irena Zentsova
- Department of Immunology, Second Faculty of Medicine, Charles University, University Hospital in Motol, V Uvalu 84, Prague, Czech Republic.
| | - Adam Klocperk
- Department of Immunology, Second Faculty of Medicine, Charles University, University Hospital in Motol, V Uvalu 84, Prague, Czech Republic
| | - Marketa Bloomfield
- Department of Immunology, Second Faculty of Medicine, Charles University, University Hospital in Motol, V Uvalu 84, Prague, Czech Republic
| | - Helena Kubesova
- Department of Immunology, Second Faculty of Medicine, Charles University, University Hospital in Motol, V Uvalu 84, Prague, Czech Republic
| | - Hana Malcova
- Department of Pediatric and Adult Rheumatology, University Hospital in Motol, Prague, V Uvalu 84, 150 06, Czech Republic
| | - Dita Cebecauerova
- Department of Pediatric and Adult Rheumatology, University Hospital in Motol, Prague, V Uvalu 84, 150 06, Czech Republic
| | - Rudolf Horvath
- Department of Pediatric and Adult Rheumatology, University Hospital in Motol, Prague, V Uvalu 84, 150 06, Czech Republic
| | - Anna Sediva
- Department of Immunology, Second Faculty of Medicine, Charles University, University Hospital in Motol, V Uvalu 84, Prague, Czech Republic
| | - Zuzana Parackova
- Department of Immunology, Second Faculty of Medicine, Charles University, University Hospital in Motol, V Uvalu 84, Prague, Czech Republic.
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Wang X, Hirose M, Li X. TLR7 Agonist-Loaded Gadolinium Oxide Nanotubes Promote Anti-Tumor Immunity by Activation of Innate and Adaptive Immune Responses. Vaccines (Basel) 2024; 12:373. [PMID: 38675755 PMCID: PMC11053986 DOI: 10.3390/vaccines12040373] [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: 02/29/2024] [Revised: 03/22/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Improving the delivery of biomolecules to DCs and lymph nodes is critical to increasing their anti-tumor efficacy, reducing their off-target side effects, and improving their safety. In this study, Gd2O3 nanotubes with lengths of 70-80 nm, diameters of 20-30 nm, and pore sizes of up to 18 nm were synthesized using a facile one-pot solvothermal method. The Gd2O3 nanotubes showed good adsorption capacity of OVA and TLR7a, with a loading efficiency of about 100%. The Gd2O3 nanotubes showed pH-sensitive degradation and biomolecule release properties; the release of gadolinium ions, OVA, and TLR7a was slow at pH 7.4 and fast at pH 5. The Gd2O3 nanotubes showed 2.6-6.0 times higher payload retention around the injection site, 3.1 times higher cellular uptake, 1.7 times higher IL1β secretion, 1.4 times higher TNFα secretion by BMDCs, and markedly enhanced draining lymph node delivery properties. The combination of OVA, TLR7a, and Gd2O3 nanotubes significantly inhibited tumor growth and increased survival rate compared with only OVA-TLR7a, only OVA, and saline. The Gd2O3 nanotubes are biocompatible and can also be used as radiation sensitizers.
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Affiliation(s)
- Xiupeng Wang
- Health and Medical Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba 305-8566, Japan; (M.H.); (X.L.)
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Ma H, Yan QZ, Ma JR, Li DF, Yang JL. Overview of the immunological mechanisms in hepatitis B virus reactivation: Implications for disease progression and management strategies. World J Gastroenterol 2024; 30:1295-1312. [PMID: 38596493 PMCID: PMC11000084 DOI: 10.3748/wjg.v30.i10.1295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/25/2023] [Accepted: 01/24/2024] [Indexed: 03/14/2024] Open
Abstract
Hepatitis B virus (HBV) reactivation is a clinically significant challenge in disease management. This review explores the immunological mechanisms underlying HBV reactivation, emphasizing disease progression and management. It delves into host immune responses and reactivation's delicate balance, spanning innate and adaptive immunity. Viral factors' disruption of this balance, as are interactions between viral antigens, immune cells, cytokine networks, and immune checkpoint pathways, are examined. Notably, the roles of T cells, natural killer cells, and antigen-presenting cells are discussed, highlighting their influence on disease progression. HBV reactivation's impact on disease severity, hepatic flares, liver fibrosis progression, and hepatocellular carcinoma is detailed. Management strategies, including anti-viral and immunomodulatory approaches, are critically analyzed. The role of prophylactic anti-viral therapy during immunosuppressive treatments is explored alongside novel immunotherapeutic interventions to restore immune control and prevent reactivation. In conclusion, this comprehensive review furnishes a holistic view of the immunological mechanisms that propel HBV reactivation. With a dedicated focus on understanding its implications for disease progression and the prospects of efficient management strategies, this article contributes significantly to the knowledge base. The more profound insights into the intricate interactions between viral elements and the immune system will inform evidence-based approaches, ultimately enhancing disease management and elevating patient outcomes. The dynamic landscape of management strategies is critically scrutinized, spanning anti-viral and immunomodulatory approaches. The role of prophylactic anti-viral therapy in preventing reactivation during immunosuppressive treatments and the potential of innovative immunotherapeutic interventions to restore immune control and proactively deter reactivation.
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Affiliation(s)
- Hui Ma
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Qing-Zhu Yan
- Department of Ultrasound Medicine, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Jing-Ru Ma
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Dong-Fu Li
- Digestive Diseases Center, Department of Hepatopancreatobiliary Medicine, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
| | - Jun-Ling Yang
- Department of Respiratory and Critical Care Medicine, The Second Hospital of Jilin University, Changchun 130000, Jilin Province, China
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6
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Zhu Y, Wei L, Zwygart ACA, Gaínza P, Khac QO, Olgiati F, Kurum A, Tang L, Correia B, Tapparel C, Stellacci F. A Synthetic Multivalent Lipopeptide Derived from Pam3CSK4 with Irreversible Influenza Inhibition and Immuno-Stimulating Effects. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2307709. [PMID: 38438885 DOI: 10.1002/smll.202307709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 02/23/2024] [Indexed: 03/06/2024]
Abstract
The activation of the host adaptive immune system is crucial for eliminating viruses. However, influenza infection often suppresses the innate immune response that precedes adaptive immunity, and the adaptive immune responses are typically delayed. Dendritic cells, serving as professional antigen-presenting cells, have a vital role in initiating the adaptive immune response. In this study, an immuno-stimulating antiviral system (ISAS) is introduced, which is composed of the immuno-stimulating adjuvant lipopeptide Pam3CSK4 that acts as a scaffold onto which it is covalently bound 3 to 4 influenza-inhibiting peptides. The multivalent display of peptides on the scaffold leads to a potent inhibition against H1N1 (EC50 = 20 nM). Importantly, the resulting lipopeptide, Pam3FDA, shows an irreversible inhibition mechanism. The chemical modification of peptides on the scaffold maintains Pam3CSK4's ability to stimulate dendritic cell maturation, thereby rendering Pam3FDA a unique antiviral. This is attributed to its immune activation capability, which also acts in synergy to expedite viral elimination.
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Affiliation(s)
- Yong Zhu
- Institute of Materials, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Lixia Wei
- Institute of Materials, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Arnaud Charles-Antoine Zwygart
- Department of Microbiology and Molecular Medicine, University of Geneva, CMU Rue Michel-Servet 1, Geneva 4, CH-1211, Switzerland
| | - Pablo Gaínza
- Interschool Institute of Bioengineering, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Quy Ong Khac
- Institute of Materials, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Francesca Olgiati
- Institute of Materials, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Armand Kurum
- Interschool Institute of Bioengineering, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Li Tang
- Interschool Institute of Bioengineering, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Bruno Correia
- Interschool Institute of Bioengineering, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
| | - Caroline Tapparel
- Department of Microbiology and Molecular Medicine, University of Geneva, CMU Rue Michel-Servet 1, Geneva 4, CH-1211, Switzerland
| | - Francesco Stellacci
- Institute of Materials, École Polytechnique Fédérale de Lausanne Station 12, Lausanne, CH-1015, Switzerland
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Mohite P, Yadav V, Pandhare R, Maitra S, Saleh FM, Saleem RM, Al-malky HS, Kumarasamy V, Subramaniyan V, Abdel-Daim MM, Uti DE. Revolutionizing Cancer Treatment: Unleashing the Power of Viral Vaccines, Monoclonal Antibodies, and Proteolysis-Targeting Chimeras in the New Era of Immunotherapy. ACS OMEGA 2024; 9:7277-7295. [PMID: 38405458 PMCID: PMC10882662 DOI: 10.1021/acsomega.3c06501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 12/07/2023] [Accepted: 12/19/2023] [Indexed: 02/27/2024]
Abstract
In the realm of cancer immunotherapy, a profound evolution has ushered in sophisticated strategies that encompass both traditional cancer vaccines and emerging viral vaccines. This comprehensive Review offers an in-depth exploration of the methodologies, clinical applications, success stories, and future prospects of these approaches. Traditional cancer vaccines have undergone significant advancements utilizing diverse modalities such as proteins, peptides, and dendritic cells. More recent innovations have focused on the physiological mechanisms enabling the human body to recognize and combat precancerous and malignant cells, introducing specific markers like peptide-based anticancer vaccines targeting tumor-associated antigens. Moreover, cancer viral vaccines, leveraging engineered viruses to stimulate immune responses against specific antigens, exhibit substantial promise in inducing robust and enduring immunity. Integration with complementary therapeutic methods, including monoclonal antibodies, adjuvants, and radiation therapy, has not only improved survival rates but also deepened our understanding of viral virulence. Recent strides in vaccine design, encompassing oncolytic viruses, virus-like particles, and viral vectors, mark the frontier of innovation. While these advances hold immense potential, critical challenges must be addressed, such as strategies for immune evasion, potential off-target effects, and the optimization of viral genomes. In the landscape of immunotherapy, noteworthy innovations take the spotlight from the use of immunomodulatory agents for the enhancement of innate and adaptive immune collaboration. The emergence of proteolysis-targeting chimeras (PROTACs) as precision tools for cancer therapy is particularly exciting. With a focus on various cancers, from melanoma to formidable solid tumors, this Review critically assesses types of cancer vaccines, mechanisms, barriers in vaccine therapy, vaccine efficacy, safety profiles, and immune-related adverse events, providing a nuanced perspective on the underlying mechanisms involving cytotoxic T cells, natural killer cells, and dendritic cells. The Review also underscores the transformative potential of cutting-edge technologies such as clinical studies, molecular sequencing, and artificial intelligence in advancing the field of cancer vaccines. These tools not only expedite progress but also emphasize the multidimensional and rapidly evolving nature of this research, affirming its profound significance in the broader context of cancer therapy.
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Affiliation(s)
- Popat Mohite
- AETs
St. John Institute of Pharmacy and Research, Palghar, Maharashtra 401404, India
| | - Vaishnavi Yadav
- AETs
St. John Institute of Pharmacy and Research, Palghar, Maharashtra 401404, India
| | - Ramdas Pandhare
- MESs
College of Pharmacy, Sonai Tal-Newasa, Maharashtra 414105, India
| | - Swastika Maitra
- Center
for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai 600077, India
- Department
of Microbiology, Adamas University, Kolkata 700 126, West Bengal, India
| | - Fayez M. Saleh
- Department
of Medical Microbiology, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Rasha Mohammed Saleem
- Department
of Laboratory Medicine, Faculty of Applied Medical Sciences, Al-Baha University, Al-Baha 65431, Saudi Arabia
| | - Hamdan S. Al-malky
- Regional
Drug Information Center, Ministry of Health, Jeddah 11176, Saudi Arabia
| | - Vinoth Kumarasamy
- Department
of Parasitology and Medical Entomology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latif, 56000 Cheras, Kuala Lumpur, Malaysia
| | - Vetriselvan Subramaniyan
- Pharmacology
Unit, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Jalan Lagoon Selatan, Bandar
Sunway, 47500 Selangor
Darul Ehsan, Malaysia
- Center
for Transdisciplinary Research, Department of Pharmacology, Savetha
Dental College, Savetha Institute of Medical and Technical Sciences, Savetha University, Chennai, Tamil Nadu 600077, India
| | - Mohamed M. Abdel-Daim
- Department
of Pharmaceutical Sciences, Pharmacy Program, Batterjee Medical College, P.O. Box
6231, Jeddah 21442, Saudi Arabia
- Pharmacology
Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Daniel E. Uti
- Department
of Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, Federal University of Health Sciences, Otukpo, Benue State 970001, Nigeria
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Szulc-Dąbrowska L, Biernacka Z, Koper M, Struzik J, Gieryńska M, Schollenberger A, Lasocka I, Toka FN. Differential Activation of Splenic cDC1 and cDC2 Cell Subsets following Poxvirus Infection of BALB/c and C57BL/6 Mice. Cells 2023; 13:13. [PMID: 38201217 PMCID: PMC10778474 DOI: 10.3390/cells13010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 12/03/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Conventional dendritic cells (cDCs) are innate immune cells that play a pivotal role in inducing antiviral adaptive immune responses due to their extraordinary ability to prime and polarize naïve T cells into different effector T helper (Th) subsets. The two major subpopulations of cDCs, cDC1 (CD8α+ in mice and CD141+ in human) and cDC2 (CD11b+ in mice and CD1c+ in human), can preferentially polarize T cells toward a Th1 and Th2 phenotype, respectively. During infection with ectromelia virus (ECTV), an orthopoxvirus from the Poxviridae family, the timing and activation of an appropriate Th immune response contributes to the resistance (Th1) or susceptibility (Th2) of inbred mouse strains to the lethal form of mousepox. Due to the high plasticity and diverse properties of cDC subpopulations in regulating the quality of a specific immune response, in the present study we compared the ability of splenic cDC1 and cDC2 originating from different ECTV-infected mouse strains to mature, activate, and polarize the Th immune response during mousepox. Our results demonstrated that during early stages of mousepox, both cDC subsets from resistant C57BL/6 and susceptible BALB/c mice were activated upon in vivo ECTV infection. These cells exhibited elevated levels of surface MHC class I and II, and co-stimulatory molecules and showed enhanced potential to produce cytokines. However, both cDC subsets from BALB/c mice displayed a higher maturation status than that of their counterparts from C57BL/6 mice. Despite their higher activation status, cDC1 and cDC2 from susceptible mice produced low amounts of Th1-polarizing cytokines, including IL-12 and IFN-γ, and the ability of these cells to stimulate the proliferation and Th1 polarization of allogeneic CD4+ T cells was severely compromised. In contrast, both cDC subsets from resistant mice produced significant amounts of Th1-polarizing cytokines and demonstrated greater capability in differentiating allogeneic T cells into Th1 cells compared to cDCs from BALB/c mice. Collectively, our results indicate that in the early stages of mousepox, splenic cDC subpopulations from the resistant mouse strain can better elicit a Th1 cell-mediated response than the susceptible strain can, probably contributing to the induction of the protective immune responses necessary for the control of virus dissemination and for survival from ECTV challenge.
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Affiliation(s)
- Lidia Szulc-Dąbrowska
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland; (Z.B.); (J.S.); (M.G.); (A.S.)
- Center for Integrative Mammalian Research, Ross University School of Veterinary Medicine, Basseterre P.O. Box 334, Saint Kitts and Nevis
| | - Zuzanna Biernacka
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland; (Z.B.); (J.S.); (M.G.); (A.S.)
| | - Michał Koper
- Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, 02-106 Warsaw, Poland;
| | - Justyna Struzik
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland; (Z.B.); (J.S.); (M.G.); (A.S.)
| | - Małgorzata Gieryńska
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland; (Z.B.); (J.S.); (M.G.); (A.S.)
| | - Ada Schollenberger
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland; (Z.B.); (J.S.); (M.G.); (A.S.)
| | - Iwona Lasocka
- Department of Biology of Animal Environment, Institute of Animal Science, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland;
| | - Felix N. Toka
- Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences-SGGW, 02-786 Warsaw, Poland; (Z.B.); (J.S.); (M.G.); (A.S.)
- Center for Integrative Mammalian Research, Ross University School of Veterinary Medicine, Basseterre P.O. Box 334, Saint Kitts and Nevis
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9
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Kanauchi O, Low ZX, Jounai K, Tsuji R, AbuBakar S. Overview of anti-viral effects of probiotics via immune cells in pre-, mid- and post-SARS-CoV2 era. Front Immunol 2023; 14:1280680. [PMID: 38116008 PMCID: PMC10728489 DOI: 10.3389/fimmu.2023.1280680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023] Open
Abstract
The COVID-19 outbreak has caused significant global changes and increased public awareness of SARS-CoV-2. Substantial progress in developing vaccines, enhancing sanitation practices, and implementing various measures to combat the virus, including the utilization of probiotics has been made. This comprehensive review examined the medical impact of clinically proven probiotics on infectious diseases, considering three crucial time periods: before (pre-), during (mid-), and after (post-) COVID-19 pandemic era. This review also showed a perspective on the use of probiotics to stimulate the innate immune system and prevent infectious diseases. In pre-COVID-19 era, several probiotic strains were found to be clinically effective in addressing gastrointestinal infectious diseases, the common cold and flu. However, the mechanism by which probiotics exerted their antiviral effects remained relatively unclear during that period. Nevertheless, probiotics, Lactococcus lactis strain Plasma (LC-Plasma), and others have gained attention for their unique ability to modulate the immune system and demonstrate antiviral properties. While some probiotics have shown promise in alleviating gastrointestinal symptoms linked to COVID-19, their direct effectiveness in treating or preventing COVID-19 progression has not yet been conclusively established. As we transition into the post-COVID-19 era, the relationship between COVID-19 and plasmacytoid dendritic cells (pDCs), a vital component of the innate immune system, has been gradually elucidated. These findings are now being applied in developing novel vaccines and treatments involving interferons and in immune activation research using probiotics as adjuvants, comparable to CpG-DNA through TLR9. The role of the local innate immune system, including pDCs, as the first line of defense against viral infections has gained increasing interest. Moving forward, insight of the immune system and the crosstalk between probiotics and the innate immune system is expected to highlight the role of probiotics in adjunctive immunoregulatory therapy. In combination with drug treatments, probiotics may play a more substantial role in enhancing immune responses. The immunoregulatory approach using probiotics such as LC-Plasma, which can induce anti-infectious factors such as interferons, holds promise as a viable therapeutic and prophylactic option against viral infectious diseases due to their good safety profile and protective efficacy.
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Affiliation(s)
- Osamu Kanauchi
- Tropical Infectious Disease Research and Education Centre (TIDREC), Institute for Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
- Institute of Health Sciences, Kirin Holdings Co., Ltd., Fujisawa, Japan
| | - Zhao Xuan Low
- Tropical Infectious Disease Research and Education Centre (TIDREC), Institute for Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Kenta Jounai
- Institute of Health Sciences, Kirin Holdings Co., Ltd., Fujisawa, Japan
| | - Ryohei Tsuji
- Institute of Health Sciences, Kirin Holdings Co., Ltd., Fujisawa, Japan
| | - Sazaly AbuBakar
- Tropical Infectious Disease Research and Education Centre (TIDREC), Institute for Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
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10
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Pavia G, Marascio N, Matera G, Quirino A. Does the Human Gut Virome Contribute to Host Health or Disease? Viruses 2023; 15:2271. [PMID: 38005947 PMCID: PMC10674713 DOI: 10.3390/v15112271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/04/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
The human gastrointestinal (GI) tract harbors eukaryotic and prokaryotic viruses and their genomes, metabolites, and proteins, collectively known as the "gut virome". This complex community of viruses colonizing the enteric mucosa is pivotal in regulating host immunity. The mechanisms involved in cross communication between mucosal immunity and the gut virome, as well as their relationship in health and disease, remain largely unknown. Herein, we review the literature on the human gut virome's composition and evolution and the interplay between the gut virome and enteric mucosal immunity and their molecular mechanisms. Our review suggests that future research efforts should focus on unraveling the mechanisms of gut viruses in human homeostasis and pathophysiology and on developing virus-prompted precision therapies.
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Affiliation(s)
| | - Nadia Marascio
- Unit of Clinical Microbiology, Department of Health Sciences, “Magna Græcia” University Hospital of Catanzaro, 88100 Catanzaro, Italy
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11
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Moorman CD, Yu S, Briseno CG, Phee H, Sahoo A, Ramrakhiani A, Chaudhry A. CAR-T cells and CAR-Tregs targeting conventional type-1 dendritic cell suppress experimental autoimmune encephalomyelitis. Front Immunol 2023; 14:1235222. [PMID: 37965348 PMCID: PMC10641730 DOI: 10.3389/fimmu.2023.1235222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 10/04/2023] [Indexed: 11/16/2023] Open
Abstract
Conventional type 1 dendritic cells (DC1) contribute to the development of pathogenic T helper type 1 (Th1) cells in part via the production of the proinflammatory cytokine interleukin-12. Thus, depletion of DC1 has the potential to dampen autoimmune responses. Here, we developed X-C motif chemokine receptor 1 (XCR1)-specific chimeric antigen receptor (CAR)-T cells and CAR-Tregs that specifically targeted DC1. XCR1 CAR-T cells were successfully generated as CD4+ and CD8+ T cells, expressed XCR1 CAR efficiently, and induced XCR1-dependent activation, cytokine production and proliferation. XCR1 CAR-T cells selectively depleted DC1 when transferred into RAG2-/- mice with a compensatory increase in conventional type 2 DC (DC2) and plasmacytoid DC (pDC). XCR1 CAR-T cell-mediated depletion of DC1 modestly suppressed the onset of Th1-driven experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis. Diphtheria toxin-mediated DC1 depletion in XCR1-diphtheria toxin receptor mice also suppressed EAE, suggesting that DC1 depletion was responsible for EAE suppression. XCR1 CAR-Tregs were successfully generated and suppressed effector T cells in the presence of XCR1+ cells. Therapeutic treatment with XCR1 CAR-Tregs suppressed Th1-driven EAE. Therefore, we conclude that depletion of DC1 with XCR1 CAR-T cells or immune suppression with XCR1 CAR-Tregs can modestly suppress Th1-driven EAE.
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Affiliation(s)
- Cody D. Moorman
- Amgen Research, Amgen Inc., South San Francisco, CA, United States
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12
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Nirala BK, Yamamichi T, Petrescu DI, Shafin TN, Yustein JT. Decoding the Impact of Tumor Microenvironment in Osteosarcoma Progression and Metastasis. Cancers (Basel) 2023; 15:5108. [PMID: 37894474 PMCID: PMC10605493 DOI: 10.3390/cancers15205108] [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: 09/27/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Osteosarcoma (OS) is a heterogeneous, highly metastatic bone malignancy in children and adolescents. Despite advancements in multimodal treatment strategies, the prognosis for patients with metastatic or recurrent disease has not improved significantly in the last four decades. OS is a highly heterogeneous tumor; its genetic background and the mechanism of oncogenesis are not well defined. Unfortunately, no effective molecular targeted therapy is currently available for this disease. Understanding osteosarcoma's tumor microenvironment (TME) has recently gained much interest among scientists hoping to provide valuable insights into tumor heterogeneity, progression, metastasis, and the identification of novel therapeutic avenues. Here, we review the current understanding of the TME of OS, including different cellular and noncellular components, their crosstalk with OS tumor cells, and their involvement in tumor progression and metastasis. We also highlight past/current clinical trials targeting the TME of OS for effective therapies and potential future therapeutic strategies with negligible adverse effects.
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Affiliation(s)
| | | | | | | | - Jason T. Yustein
- Aflac Cancer and Blood Disorders Center, Emory University, Atlanta, GA 30322, USA; (B.K.N.); (T.Y.); (D.I.P.); (T.N.S.)
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13
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Champagne-Jorgensen K, Luong T, Darby T, Roach DR. Immunogenicity of bacteriophages. Trends Microbiol 2023; 31:1058-1071. [PMID: 37198061 DOI: 10.1016/j.tim.2023.04.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 04/17/2023] [Accepted: 04/24/2023] [Indexed: 05/19/2023]
Abstract
Hundreds of trillions of diverse bacteriophages (phages) peacefully thrive within and on the human body. However, whether and how phages influence their mammalian hosts is poorly understood. In this review, we explore current knowledge and present growing evidence that direct interactions between phages and mammalian cells often induce host inflammatory and antiviral immune responses. We show evidence that, like viruses of the eukaryotic host, phages are actively internalized by host cells and activate conserved viral detection receptors. This interaction often generates proinflammatory cytokine secretion and recruitment of adaptive immune programs. However, significant variability exists in phage-immune interactions, suggesting an important role for structural phage characteristics. The factors leading to the differential immunogenicity of phages remain largely unknown but are highly influenced by their human and bacterial hosts.
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Affiliation(s)
- Kevin Champagne-Jorgensen
- Department of Biology, San Diego State University, San Diego, CA 92182, USA; Viral Information Institute, San Diego State University, San Diego, CA 92182, USA
| | - Tiffany Luong
- Department of Biology, San Diego State University, San Diego, CA 92182, USA; Viral Information Institute, San Diego State University, San Diego, CA 92182, USA
| | - Taylor Darby
- Department of Biology, San Diego State University, San Diego, CA 92182, USA; Viral Information Institute, San Diego State University, San Diego, CA 92182, USA
| | - Dwayne R Roach
- Department of Biology, San Diego State University, San Diego, CA 92182, USA; Viral Information Institute, San Diego State University, San Diego, CA 92182, USA.
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14
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Costa B, Vale N. Exploring HERV-K (HML-2) Influence in Cancer and Prospects for Therapeutic Interventions. Int J Mol Sci 2023; 24:14631. [PMID: 37834078 PMCID: PMC10572383 DOI: 10.3390/ijms241914631] [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: 08/29/2023] [Revised: 09/19/2023] [Accepted: 09/25/2023] [Indexed: 10/15/2023] Open
Abstract
This review investigates the intricate role of human endogenous retroviruses (HERVs) in cancer development and progression, explicitly focusing on HERV-K (HML-2). This paper sheds light on the latest research advancements and potential treatment strategies by examining the historical context of HERVs and their involvement in critical biological processes such as embryonic development, immune response, and disease progression. This review covers computational modeling for drug-target binding assessment, systems biology modeling for simulating HERV-K viral cargo dynamics, and using antiviral drugs to combat HERV-induced diseases. The findings presented in this review contribute to our understanding of HERV-mediated disease mechanisms and provide insights into future therapeutic approaches. They emphasize why HERV-K holds significant promise as a biomarker and a target.
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Affiliation(s)
- Bárbara Costa
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
| | - Nuno Vale
- OncoPharma Research Group, Center for Health Technology and Services Research (CINTESIS), Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal;
- CINTESIS@RISE, Faculty of Medicine, University of Porto, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal
- Department of Community Medicine, Information and Health Decision Sciences (MEDCIDS), Faculty of Medicine, University of Porto, Rua Doutor Plácido da Costa, s/n, 4200-450 Porto, Portugal
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15
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Camarão AAR, Gern OL, Stegmann F, Mulenge F, Costa B, Saremi B, Jung K, Lepenies B, Kalinke U, Steffen I. Secreted NS1 proteins of tick-borne encephalitis virus and West Nile virus block dendritic cell activation and effector functions. Microbiol Spectr 2023; 11:e0219223. [PMID: 37707204 PMCID: PMC10581055 DOI: 10.1128/spectrum.02192-23] [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: 05/26/2023] [Accepted: 07/13/2023] [Indexed: 09/15/2023] Open
Abstract
The flavivirus non-structural protein 1 (NS1) is secreted from infected cells into the circulation and the serum levels correlate with disease severity. The effect of secreted NS1 (sNS1) on non-infected mammalian immune cells is largely unknown. Here, we expressed recombinant sNS1 proteins of tick-borne encephalitis virus (TBEV) and West Nile virus (WNV) and investigated their effects on dendritic cell (DC) effector functions. Murine bone marrow-derived DCs (BMDCs) showed reduced surface expression of co-stimulatory molecules and decreased release of pro-inflammatory cytokines when treated with sNS1 of TBEV or WNV prior to poly(I:C) stimulation. Transcriptional profiles of BMDCs that were sNS1-exposed prior to poly(I:C) stimulation showed two gene clusters that were downregulated by TBEV or WNV sNS1 and that were associated with innate and adaptive immune responses. Functionally, both sNS1 proteins modulated the capacity for BMDCs to induce specific T-cell responses as indicated by reduced IFN-γ levels in both CD4+ and CD8+ T cells after BMDC co-cultivation. In human monocyte-derived DCs, poly(I:C)-induced upregulation of co-stimulatory molecules and cytokine responses were even more strongly impaired by TBEV sNS1 or WNV sNS1 pretreatment than in the murine system. Our findings indicate that exogenous flaviviral sNS1 proteins interfere with DC-mediated stimulation of T cells, which is crucial for the initiation of cell-mediated adaptive immune responses in human flavivirus infections. Collectively, our data determine soluble flaviviral NS1 as a virulence factor responsible for a dampened immune response to flavivirus infections. IMPORTANCE The effective initiation of protective host immune responses controls the outcome of infection, and dysfunctional T-cell responses have previously been associated with symptomatic human flavivirus infections. We demonstrate that secreted flavivirus NS1 proteins modulate innate immune responses of uninfected bystander cells. In particular, sNS1 markedly reduced the capacity of dendritic cells to stimulate T-cell responses upon activation. Hence, by modulating cellular host responses that are required for effective antigen presentation and initiation of adaptive immunity, sNS1 proteins may contribute to severe outcomes of flavivirus disease.
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Affiliation(s)
- António A. R. Camarão
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Olivia Luise Gern
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research and the Hannover Medical School, Hannover, Germany
| | - Felix Stegmann
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
- Institute for Immunology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Felix Mulenge
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research and the Hannover Medical School, Hannover, Germany
| | - Bibiana Costa
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research and the Hannover Medical School, Hannover, Germany
| | - Babak Saremi
- Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Klaus Jung
- Institute for Animal Breeding and Genetics, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Bernd Lepenies
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
- Institute for Immunology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Ulrich Kalinke
- Institute for Experimental Infection Research, TWINCORE, Centre for Experimental and Clinical Infection Research, a joint venture between the Helmholtz Centre for Infection Research and the Hannover Medical School, Hannover, Germany
- Cluster of Excellence—Resolving Infection Susceptibility (RESIST, EXC 2155), Hannover Medical School, Hannover, Germany
| | - Imke Steffen
- Institute of Biochemistry, University of Veterinary Medicine Hannover, Hannover, Germany
- Research Center for Emerging Infections and Zoonoses, University of Veterinary Medicine Hannover, Hannover, Germany
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16
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Ricci D, Etna MP, Severa M, Fiore S, Rizzo F, Iannetta M, Andreoni M, Balducci S, Stefanelli P, Palamara AT, Coccia EM. Novel evidence of Thymosin α1 immunomodulatory properties in SARS-CoV-2 infection: Effect on innate inflammatory response in a peripheral blood mononuclear cell-based in vitro model. Int Immunopharmacol 2023; 117:109996. [PMID: 36933449 PMCID: PMC10008813 DOI: 10.1016/j.intimp.2023.109996] [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: 01/09/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/16/2023]
Abstract
The peculiar property of Thymosin alpha 1 (Tα1) to act as master regulator of immune homeostasis has been successfully defined in different physiological and pathological contexts ranging from cancer to infection. Interestingly, recent papers also demonstrated its mitigating effect on the "cytokine storm" as well as on the T-cell exhaustion/activation in SARS-CoV-2 infected individuals. Nevertheless, in spite of the increasing knowledge on Tα1-induced effects on T cell response confirming the distinctive features of this multifaceted peptide, little is known on its effects on innate immunity during SARS-CoV-2 infection. Here, we interrogated peripheral blood mononuclear cell (PBMC) cultures stimulated with SARS-CoV-2 to disclose Tα1 properties on the main cell players of early response to infection, namely monocytes and myeloid dendritic cells (mDC). Moving from ex vivo data showing an enhancement in the frequency of inflammatory monocytes and activated mDC in COVID-19 patients, a PBMC-based experimental setting reproduced in vitro a similar profile with an increased percentage of CD16+ inflammatory monocytes and mDC expressing CD86 and HLA-DR activation markers in response to SARS-CoV-2 stimulation. Interestingly, the treatment of SARS-CoV-2-stimulated PBMC with Tα1 dampened the inflammatory/activation status of both monocytes and mDC by reducing the release of pro-inflammatory mediators, including TNF-α, IL-6 and IL-8, while promoting the production of the anti-inflammatory cytokine IL-10. This study further clarifies the working hypothesis on Tα1 mitigating action on COVID-19 inflammatory condition. Moreover, these evidence shed light on inflammatory pathways and cell types involved in acute SARS-CoV-2 infection and likely targetable by newly immune-regulating therapeutic approaches.
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Affiliation(s)
- Daniela Ricci
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy; Roma Tre University, Rome, Italy
| | - Marilena Paola Etna
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Martina Severa
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Stefano Fiore
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Fabiana Rizzo
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Marco Iannetta
- Department of System Medicine, Infectious Disease Unit, University of Rome Tor Vergata, Rome, Italy
| | - Massimo Andreoni
- Department of System Medicine, Infectious Disease Unit, University of Rome Tor Vergata, Rome, Italy
| | | | - Paola Stefanelli
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
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17
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Latha K, Patel Y, Rao S, Watford WT. The Influenza-Induced Pulmonary Inflammatory Exudate in Susceptible Tpl2-Deficient Mice Is Dictated by Type I IFN Signaling. Inflammation 2023; 46:322-341. [PMID: 36227523 PMCID: PMC9558022 DOI: 10.1007/s10753-022-01736-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 08/09/2022] [Accepted: 08/30/2022] [Indexed: 11/28/2022]
Abstract
The most prominent host response to viral infection is the production of type 1 interferons (T1 IFNs). One host regulator of the T1 IFNs is the serine-threonine kinase, tumor progression locus 2 (TPL2). We have previously demonstrated that Tpl2-/- mice succumb to infection with a low-pathogenicity influenza A strain (x31), in association with with increased pulmonary levels of interferon-β (IFN-β), chemokine CCL2, and excessive monocyte and neutrophil pulmonary infiltration. TPL2-dependent overexpression of IFN-β has been implicated in enhanced susceptibility to Mycobacterium tuberculosis; therefore, we examined the role of T1 IFNs in susceptibility of Tpl2-/- mice to influenza. CCL2 overexpression and monocyte recruitment were normalized in Ifnar1-/-Tpl2-/- mice, confirming that TPL2 constrains inflammatory monocyte recruitment via inhibition of the T1 IFN/CCL2 axis. Unexpectedly, excessive neutrophil recruitment in Ifnar1-/- strains was further exacerbated by simultaneous TPL2 genetic ablation in Ifnar1-/-Tpl2-/- by 7 dpi, accompanied by overexpression of neutrophil-regulating cytokines, CXCL1 and IFN-λ. Collectively, our data suggest that TPL2 and T1 IFNs synergize to inhibit neutrophil recruitment. However, treatment with the neutrophil-depleting anti-Ly6G antibody showed only a modest improvement in disease. Analysis of sorted innate immune populations revealed redundant expression of inflammatory mediators among neutrophils, inflammatory monocytes and alveolar macrophages. These findings suggest that targeting a single cell type or mediator may be inadequate to control severe disease characterized by a mixed inflammatory exudate. Future studies will consider TPL2-regulated pathways as potential predictors of severe influenza progression as well as investigate novel methods to modulate TPL2 function during viral infection.
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Affiliation(s)
- Krishna Latha
- Department of Infectious Diseases, University of Georgia, Athens, GA USA
| | - Yesha Patel
- Department of Cell Biology, University of Georgia, Athens, GA USA
| | - Sanjana Rao
- Department of Genetics, University of Georgia, Athens, GA USA
| | - Wendy T. Watford
- Department of Infectious Diseases, University of Georgia, Athens, GA USA
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18
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Eder J, Zijlstra-Willems E, Koen G, Kootstra NA, Wolthers KC, Geijtenbeek TB. Transmission of Zika virus by dendritic cell subsets in skin and vaginal mucosa. Front Immunol 2023; 14:1125565. [PMID: 36949942 PMCID: PMC10025456 DOI: 10.3389/fimmu.2023.1125565] [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: 12/16/2022] [Accepted: 02/23/2023] [Indexed: 03/08/2023] Open
Abstract
Zika virus is a member of the Flaviviridae family that has caused recent outbreaks associated with neurological malformations. Transmission of Zika virus occurs primarily via mosquito bite but also via sexual contact. Dendritic cells (DCs) and Langerhans cells (LCs) are important antigen presenting cells in skin and vaginal mucosa and paramount to induce antiviral immunity. To date, little is known about the first cells targeted by Zika virus in these tissues as well as subsequent dissemination of the virus to other target cells. We therefore investigated the role of DCs and LCs in Zika virus infection. Human monocyte derived DCs (moDCs) were isolated from blood and primary immature LCs were obtained from human skin and vaginal explants. Zika virus exposure to moDCs but not skin and vaginal LCs induced Type I Interferon responses. Zika virus efficiently infected moDCs but neither epidermal nor vaginal LCs became infected. Infection of a human full skin model showed that DC-SIGN expressing dermal DCs are preferentially infected over langerin+ LCs. Notably, not only moDCs but also skin and vaginal LCs efficiently transmitted Zika virus to target cells. Transmission by LCs was independent of direct infection of LCs. These data suggest that DCs and LCs are among the first target cells for Zika virus not only in the skin but also the genital tract. The role of vaginal LCs in dissemination of Zika virus from the vaginal mucosa further emphasizes the threat of sexual transmission and supports the investigation of prophylaxes that go beyond mosquito control.
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Affiliation(s)
- Julia Eder
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Esther Zijlstra-Willems
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
| | - Gerrit Koen
- Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
| | - Neeltje A. Kootstra
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
| | - Katja C. Wolthers
- Department of Medical Microbiology and Infection Prevention, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
| | - Teunis B. Geijtenbeek
- Department of Experimental Immunology, Amsterdam UMC location University of Amsterdam, Amsterdam, Netherlands
- Amsterdam Institute for Infection and Immunity, Amsterdam, Netherlands
- *Correspondence: Teunis B. Geijtenbeek,
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19
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Rajamanickam A, Kumar NP, Pandiaraj AN, Selvaraj N, Munisankar S, Renji RM, Venkatramani V, Murhekar M, Thangaraj JWV, Kumar MS, Kumar CPG, Bhatnagar T, Ponnaiah M, Sabarinathan R, Saravanakumar V, Babu S. Restoration of dendritic cell homeostasis and Type I/Type III interferon levels in convalescent COVID-19 individuals. BMC Immunol 2022; 23:51. [PMID: 36289478 PMCID: PMC9607715 DOI: 10.1186/s12865-022-00526-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 10/13/2022] [Indexed: 11/10/2022] Open
Abstract
Background Plasmacytoid and myeloid dendritic cells play a vital role in the protection against viral infections. In COVID-19, there is an impairment of dendritic cell (DC) function and interferon secretion which has been correlated with disease severity. Results In this study, we described the frequency of DC subsets and the plasma levels of Type I (IFNα, IFNβ) and Type III Interferons (IFNλ1), IFNλ2) and IFNλ3) in seven groups of COVID-19 individuals, classified based on days since RT-PCR confirmation of SARS-CoV2 infection. Our data shows that the frequencies of pDC and mDC increase from Days 15–30 to Days 61–90 and plateau thereafter. Similarly, the levels of IFNα, IFNβ, IFNλ1, IFNλ2 and IFNλ3 increase from Days 15–30 to Days 61–90 and plateau thereafter. COVID-19 patients with severe disease exhibit diminished frequencies of pDC and mDC and decreased levels of IFNα, IFNβ, IFNλ1, IFNλ2 and IFNλ3. Finally, the percentages of DC subsets positively correlated with the levels of Type I and Type III IFNs. Conclusion Thus, our study provides evidence of restoration of homeostatic levels in DC subset frequencies and circulating levels of Type I and Type III IFNs in convalescent COVID-19 individuals. Supplementary Information The online version contains supplementary material available at 10.1186/s12865-022-00526-z.
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Affiliation(s)
- Anuradha Rajamanickam
- grid.419685.7ICER-ICMR-NIRT-International Center for Excellence in Research, Chennai, Tamil Nadu India
| | - Nathella Pavan Kumar
- grid.417330.20000 0004 1767 6138Immunology-ICMR-National Institute for Research in Tuberculosis, Chennai, Tamil Nadu India
| | - Arul Nancy Pandiaraj
- grid.419685.7ICER-ICMR-NIRT-International Center for Excellence in Research, Chennai, Tamil Nadu India
| | - Nandhini Selvaraj
- grid.419685.7ICER-ICMR-NIRT-International Center for Excellence in Research, Chennai, Tamil Nadu India
| | - Saravanan Munisankar
- grid.419685.7ICER-ICMR-NIRT-International Center for Excellence in Research, Chennai, Tamil Nadu India
| | - Rachel Mariam Renji
- grid.419685.7ICER-ICMR-NIRT-International Center for Excellence in Research, Chennai, Tamil Nadu India
| | | | - Manoj Murhekar
- grid.419587.60000 0004 1767 6269ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu India
| | | | - Muthusamy Santhosh Kumar
- grid.419587.60000 0004 1767 6269ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu India
| | | | - Tarun Bhatnagar
- grid.419587.60000 0004 1767 6269ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu India
| | - Manickam Ponnaiah
- grid.419587.60000 0004 1767 6269ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu India
| | - Ramasamy Sabarinathan
- grid.419587.60000 0004 1767 6269ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu India
| | - Velusamy Saravanakumar
- grid.419587.60000 0004 1767 6269ICMR-National Institute of Epidemiology, Chennai, Tamil Nadu India
| | - Subash Babu
- grid.419685.7ICER-ICMR-NIRT-International Center for Excellence in Research, Chennai, Tamil Nadu India
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20
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Tsymbalyuk O, Gerzanich V, Simard JM, Rathinam CV. Traumatic brain injury alters dendritic cell differentiation and distribution in lymphoid and non-lymphoid organs. J Neuroinflammation 2022; 19:238. [PMID: 36183126 PMCID: PMC9526328 DOI: 10.1186/s12974-022-02609-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 09/24/2022] [Indexed: 11/10/2022] Open
Abstract
Background Pathophysiological consequences of traumatic brain injury (TBI) mediated secondary injury remain incompletely understood. In particular, the impact of TBI on the differentiation and maintenance of dendritic cells (DCs), which are regarded as the most professional antigen presenting cells of the immune system, remains completely unknown. Here, we report that DC-differentiation, maintenance and functions are altered on day 3 and day 7 after TBI. Methods Long bones, spleen, peripheral lymph nodes (pLNs), mesenteric lymph nodes (mLNs), liver, lungs, skin and blood were collected from mice with either moderate-level cortical impact (CCI) or sham on day 1, day 3 or day 7 after TBI. Bone marrow cells were isolated from the tibias and femurs of hind limb through flushing. Tissues were digested with Collagenase-D and DNase I. Skin biopsies were digested in the presence of liberase + DNase I. Single cell suspensions were made, red blood cells were lysed with Ammonium chloride (Stem Cell Technology) and subsequently filtered using a 70 μM nylon mesh. DC subsets of the tissues and DC progenitors of the BM were identified through 10-color flow cytometry-based immunophenotyping studies. Intracellular reactive oxygen species (ROS) were identified through H2DCFDA staining. Results Our studies identify that; (1) frequencies and absolute numbers of DCs in the spleen and BM are altered on day 3 and day 7 after TBI; (2) surface expression of key molecules involved in antigen presentation of DCs were affected on day 3 and day 7 after TBI; (3) distribution and functions of tissue-specific DC subsets of both circulatory and lymphatic systems were imbalanced following TBI; (4) early differentiation program of DCs, especially the commitment of hematopoietic stem cells to common DC progenitors (CDPs), were deregulated after TBI; and (5) intracellular ROS levels were reduced in DC progenitors and differentiated DCs on day 3 and day 7 after TBI. Conclusions Our data demonstrate, for the first time, that TBI affects the distribution pattern of DCs and induces an imbalance among DC subsets in both lymphoid and non-lymphoid organs. In addition, the current study demonstrates that TBI results in reduced levels of ROS in DCs on day 3 and day 7 after TBI, which may explain altered DC differentiation paradigm following TBI. A deeper understanding on the molecular mechanisms that contribute to DC defects following TBI would be essential and beneficial in treating infections in patients with acute central nervous system (CNS) injuries, such as TBI, stroke and spinal cord injury.
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Affiliation(s)
- Orest Tsymbalyuk
- Department of Neurosurgery, University of Maryland School of Medicine, MD, Baltimore, USA
| | - Volodymyr Gerzanich
- Department of Neurosurgery, University of Maryland School of Medicine, MD, Baltimore, USA
| | - J Marc Simard
- Department of Neurosurgery, University of Maryland School of Medicine, MD, Baltimore, USA.,Research Service, Veterans Affairs Maryland Health Care System, MD, Baltimore, USA.,Department of Pathology, University of Maryland School of Medicine, MD, Baltimore, USA.,Department of Physiology, University of Maryland School of Medicine, MD, Baltimore, USA
| | - Chozha Vendan Rathinam
- Institute of Human Virology, University of Maryland School of Medicine, 725 West Lombard Street, Baltimore, MD, 21201, USA. .,Center for Stem Cell and Regenerative Medicine, University of Maryland School of Medicine, MD, 21201, Baltimore, USA.
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21
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Ayechu-Muruzabal V, Poelmann B, Berends AJ, Kettelarij N, Garssen J, van’t Land B, Willemsen LEM. Human Milk Oligosaccharide 2'-Fucosyllactose Modulates Local Viral Immune Defense by Supporting the Regulatory Functions of Intestinal Epithelial and Immune Cells. Int J Mol Sci 2022; 23:ijms231810958. [PMID: 36142892 PMCID: PMC9506168 DOI: 10.3390/ijms231810958] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/16/2022] Open
Abstract
Human milk contains bioactive components that provide protection against viral infections in early life. In particular, intestinal epithelial cells (IEC) have key regulatory roles in the prevention of enteric viral infections. Here we established an in vitro model to study the modulation of host responses against enteric viruses mimicked by poly I:C (pIC). The effects of 2′-fucosyllactose (2′FL), abundantly present in human milk, were studied on IEC and/or innate immune cells, and the subsequent functional response of the adaptive immune cells. IEC were pre-incubated with 2′FL and stimulated with naked or Lyovec™-complexed pIC (LV-pIC). Additionally, monocyte-derived dendritic cells (moDC) alone or in co-culture with IEC were stimulated with LV-pIC. Then, conditioned-moDC were co-cultured with naïve CD4+ T helper (Th)-cells. IEC stimulation with naked or LV-pIC promoted pro-inflammatory IL-8, CCL20, GROα and CXCL10 cytokine secretion. However, only exposure to LV-pIC additionally induced IFNβ, IFNλ1 and CCL5 secretion. Pre-incubation with 2′FL further increased pIC induced CCL20 secretion and LV-pIC induced CXCL10 secretion. LV-pIC-exposed IEC/moDC and moDC cultures showed increased secretion of IL-8, GROα, IFNλ1 and CXCL10, and in the presence of 2′FL galectin-4 and -9 were increased. The LV-pIC-exposed moDC showed a more pronounced secretion of CCL20, CXCL10 and CCL5. The moDC from IEC/moDC cultures did not drive T-cell development in moDC/T-cell cultures, while moDC directly exposed to LV-pIC secreted Th1 driving IL-12p70 and promoted IFNγ secretion by Th-cells. Hereby, a novel intestinal model was established to study mucosal host-defense upon a viral trigger. IEC may support intestinal homeostasis, regulating local viral defense which may be modulated by 2′FL. These results provide insights regarding the protective capacity of human milk components in early life.
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Affiliation(s)
- Veronica Ayechu-Muruzabal
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Bente Poelmann
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
| | - Alinda J. Berends
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
| | | | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands
| | - Belinda van’t Land
- Danone Nutricia Research, 3584 CT Utrecht, The Netherlands
- Center for Translational Immunology, The Wilhelmina Children’s Hospital, University Medical Center Utrecht, 3584 EA Utrecht, The Netherlands
| | - Linette E. M. Willemsen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, 3584 CG Utrecht, The Netherlands
- Correspondence:
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22
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Klein J, Wood J, Jaycox J, Lu P, Dhodapkar RM, Gehlhausen JR, Tabachnikova A, Tabacof L, Malik AA, Kamath K, Greene K, Monteiro VS, Peña-Hernandez M, Mao T, Bhattacharjee B, Takahashi T, Lucas C, Silva J, Mccarthy D, Breyman E, Tosto-Mancuso J, Dai Y, Perotti E, Akduman K, Tzeng TJ, Xu L, Yildirim I, Krumholz HM, Shon J, Medzhitov R, Omer SB, van Dijk D, Ring AM, Putrino D, Iwasaki A. Distinguishing features of Long COVID identified through immune profiling. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2022:2022.08.09.22278592. [PMID: 35982667 PMCID: PMC9387160 DOI: 10.1101/2022.08.09.22278592] [Citation(s) in RCA: 89] [Impact Index Per Article: 44.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
SARS-CoV-2 infection can result in the development of a constellation of persistent sequelae following acute disease called post-acute sequelae of COVID-19 (PASC) or Long COVID 1-3 . Individuals diagnosed with Long COVID frequently report unremitting fatigue, post-exertional malaise, and a variety of cognitive and autonomic dysfunctions 1-3 ; however, the basic biological mechanisms responsible for these debilitating symptoms are unclear. Here, 215 individuals were included in an exploratory, cross-sectional study to perform multi-dimensional immune phenotyping in conjunction with machine learning methods to identify key immunological features distinguishing Long COVID. Marked differences were noted in specific circulating myeloid and lymphocyte populations relative to matched control groups, as well as evidence of elevated humoral responses directed against SARS-CoV-2 among participants with Long COVID. Further, unexpected increases were observed in antibody responses directed against non-SARS-CoV-2 viral pathogens, particularly Epstein-Barr virus. Analysis of circulating immune mediators and various hormones also revealed pronounced differences, with levels of cortisol being uniformly lower among participants with Long COVID relative to matched control groups. Integration of immune phenotyping data into unbiased machine learning models identified significant distinguishing features critical in accurate classification of Long COVID, with decreased levels of cortisol being the most significant individual predictor. These findings will help guide additional studies into the pathobiology of Long COVID and may aid in the future development of objective biomarkers for Long COVID.
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23
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Zhuang C, Chen R, Zheng Z, Lu J, Hong C. Toll-Like Receptor 3 in Cardiovascular Diseases. Heart Lung Circ 2022; 31:e93-e109. [PMID: 35367134 DOI: 10.1016/j.hlc.2022.02.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 02/08/2022] [Accepted: 02/17/2022] [Indexed: 02/06/2023]
Abstract
Toll-like receptor 3 (TLR3) is an important member of the innate immune response receptor toll-like receptors (TLRs) family, which plays a vital role in regulating immune response, promoting the maturation and differentiation of immune cells, and participating in the response of pro-inflammatory factors. TLR3 is activated by pathogen-associated molecular patterns and damage-associated molecular patterns, which support the pathophysiology of many diseases related to inflammation. An increasing number of studies have confirmed that TLR3, as a crucial medium of innate immunity, participates in the occurrence and development of cardiovascular diseases (CVDs) by regulating the transcription and translation of various cytokines, thus affecting the structure and physiological function of resident cells in the cardiovascular system, including vascular endothelial cells, vascular smooth muscle cells, cardiomyocytes, fibroblasts and macrophages. The dysfunction and structural damage of vascular endothelial cells and proliferation of vascular smooth muscle cells are the key factors in the occurrence of vascular diseases such as pulmonary arterial hypertension, atherosclerosis, myocardial hypertrophy, myocardial infarction, ischaemia/reperfusion injury, and heart failure. Meanwhile, cardiomyocytes, fibroblasts, and macrophages are involved in the development of CVDs. Therefore, the purpose of this review was to explore the latest research published on TLR3 in CVDs and discuss current understanding of potential mechanisms by which TLR3 contributes to CVDs. Even though TLR3 is a developing area, it has strong treatment potential as an immunomodulator and deserves further study for clinical translation.
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Affiliation(s)
- Chunying Zhuang
- China State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China; First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Riken Chen
- China State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhenzhen Zheng
- Department of Respiration, The Second Affiliated Hospital of Guangdong Medical University, Guangzhou, China
| | - Jianmin Lu
- China State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Cheng Hong
- China State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.
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24
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Choi S, Jeon SA, Heo BY, Kang JG, Jung Y, Duong PTT, Song IC, Kim JH, Kim SY, Kwon J. Gene Set Enrichment Analysis Reveals That Fucoidan Induces Type I IFN Pathways in BMDC. Nutrients 2022; 14:nu14112242. [PMID: 35684042 PMCID: PMC9182765 DOI: 10.3390/nu14112242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/21/2022] [Accepted: 05/23/2022] [Indexed: 02/01/2023] Open
Abstract
Fucoidan, a sulfated polysaccharide extracted from brown seaweed, has been proposed to effectively treat and prevent various viral infections. However, the mechanisms behind its antiviral activity are not completely understood. We investigate here the global transcriptional changes in bone marrow-derived dendritic cells (BMDCs) using RNA-Seq technology. Through both analysis of differentially expressed genes (DEG) and gene set enrichment analysis (GSEA), we found that fucoidan-treated BMDCs were enriched in virus-specific response pathways, including that of SARS-CoV-2, as well as pathways associated with nucleic acid-sensing receptors (RLR, TLR, NLR, STING), and type I interferon (IFN) production. We show that these transcriptome changes are driven by well-known regulators of the inflammatory response against viruses, including IRF, NF-κB, and STAT family transcription factors. Furthermore, 435 of the 950 upregulated DEGs are classified as type I IFN-stimulated genes (ISGs). Flow cytometric analysis additionally showed that fucoidan increased MHCII, CD80, and CD40 surface markers in BMDCs, indicative of greater antigen presentation and co-stimulation functionality. Our current study suggests that fucoidan transcriptionally activates PRR signaling, type I IFN production and signaling, ISGs production, and DC maturation, highlighting a potential mechanism of fucoidan-induced antiviral activity.
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Affiliation(s)
- Suyoung Choi
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Korea; (S.C.); (B.Y.H.); (Y.J.); (P.T.T.D.); (I.-C.S.)
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon 35015, Korea
- Brain Korea 21 FOUR Project for Medical Science, Chungnam National University, Daejeon 35015, Korea
| | - Sol A Jeon
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea; (S.A.J.); (J.-H.K.)
- Department of Bioscience, University of Science and Technology, Daejeon 34113, Korea
| | - Bu Yeon Heo
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Korea; (S.C.); (B.Y.H.); (Y.J.); (P.T.T.D.); (I.-C.S.)
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon 35015, Korea
- Brain Korea 21 FOUR Project for Medical Science, Chungnam National University, Daejeon 35015, Korea
| | - Ju-Gyeong Kang
- Department of Biological Sciences, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea;
| | - Yunju Jung
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Korea; (S.C.); (B.Y.H.); (Y.J.); (P.T.T.D.); (I.-C.S.)
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon 35015, Korea
| | - Pham Thi Thuy Duong
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Korea; (S.C.); (B.Y.H.); (Y.J.); (P.T.T.D.); (I.-C.S.)
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon 35015, Korea
- Brain Korea 21 FOUR Project for Medical Science, Chungnam National University, Daejeon 35015, Korea
| | - Ik-Chan Song
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Korea; (S.C.); (B.Y.H.); (Y.J.); (P.T.T.D.); (I.-C.S.)
- Brain Korea 21 FOUR Project for Medical Science, Chungnam National University, Daejeon 35015, Korea
- Department of Internal Medicine, Chungnam National University, Daejeon 35015, Korea
| | - Jeong-Hwan Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea; (S.A.J.); (J.-H.K.)
| | - Seon-Young Kim
- Personalized Genomic Medicine Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Korea; (S.A.J.); (J.-H.K.)
- Department of Bioscience, University of Science and Technology, Daejeon 34113, Korea
- Correspondence: (S.-Y.K.); (J.K.); Tel.: +82-42-280-6937 (J.K); Fax: +82-42-583-8216 (J.K.)
| | - Jaeyul Kwon
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon 35015, Korea; (S.C.); (B.Y.H.); (Y.J.); (P.T.T.D.); (I.-C.S.)
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon 35015, Korea
- Brain Korea 21 FOUR Project for Medical Science, Chungnam National University, Daejeon 35015, Korea
- Department of Medical Education, College of Medicine, Chungnam National University, Daejeon 35015, Korea
- Translational Immunology Institute, Chungnam National University, Daejeon 35015, Korea
- Correspondence: (S.-Y.K.); (J.K.); Tel.: +82-42-280-6937 (J.K); Fax: +82-42-583-8216 (J.K.)
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25
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Constant O, Maarifi G, Blanchet FP, Van de Perre P, Simonin Y, Salinas S. Role of Dendritic Cells in Viral Brain Infections. Front Immunol 2022; 13:862053. [PMID: 35529884 PMCID: PMC9072653 DOI: 10.3389/fimmu.2022.862053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 03/22/2022] [Indexed: 11/13/2022] Open
Abstract
To gain access to the brain, a so-called immune-privileged organ due to its physical separation from the blood stream, pathogens and particularly viruses have been selected throughout evolution for their use of specific mechanisms. They can enter the central nervous system through direct infection of nerves or cerebral barriers or through cell-mediated transport. Indeed, peripheral lymphoid and myeloid immune cells can interact with the blood-brain and the blood-cerebrospinal fluid barriers and allow viral brain access using the "Trojan horse" mechanism. Among immune cells, at the frontier between innate and adaptive immune responses, dendritic cells (DCs) can be pathogen carriers, regulate or exacerbate antiviral responses and neuroinflammation, and therefore be involved in viral transmission and spread. In this review, we highlight an important contribution of DCs in the development and the consequences of viral brain infections.
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Affiliation(s)
- Orianne Constant
- Pathogenesis and Control of Chronic and Emerging Infections, Institut national de la santé et de la recherche médicale (INSERM), University of Montpellier, Etablissement Français du Sang, Montpellier, France
| | - Ghizlane Maarifi
- Institut de Recherche en Infectiologie de Montpellier, Centre national de la recherche scientifique (CNRS), Université de Montpellier, Montpellier, France
| | - Fabien P. Blanchet
- Institut de Recherche en Infectiologie de Montpellier, Centre national de la recherche scientifique (CNRS), Université de Montpellier, Montpellier, France
| | - Philippe Van de Perre
- Pathogenesis and Control of Chronic and Emerging Infections, Institut national de la santé et de la recherche médicale (INSERM), University of Montpellier, Etablissement Français du Sang, Montpellier, France
| | - Yannick Simonin
- Pathogenesis and Control of Chronic and Emerging Infections, Institut national de la santé et de la recherche médicale (INSERM), University of Montpellier, Etablissement Français du Sang, Montpellier, France
| | - Sara Salinas
- Pathogenesis and Control of Chronic and Emerging Infections, Institut national de la santé et de la recherche médicale (INSERM), University of Montpellier, Etablissement Français du Sang, Montpellier, France
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26
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Rabiu Abubakar A, Ahmad R, Rowaiye AB, Rahman S, Iskandar K, Dutta S, Oli AN, Dhingra S, Tor MA, Etando A, Kumar S, Irfan M, Gowere M, Chowdhury K, Akter F, Jahan D, Schellack N, Haque M. Targeting Specific Checkpoints in the Management of SARS-CoV-2 Induced Cytokine Storm. Life (Basel) 2022; 12:life12040478. [PMID: 35454970 PMCID: PMC9031737 DOI: 10.3390/life12040478] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 03/18/2022] [Accepted: 03/21/2022] [Indexed: 02/07/2023] Open
Abstract
COVID-19-infected patients require an intact immune system to suppress viral replication and prevent complications. However, the complications of SARS-CoV-2 infection that led to death were linked to the overproduction of proinflammatory cytokines known as cytokine storm syndrome. This article reported the various checkpoints targeted to manage the SARS-CoV-2-induced cytokine storm. The literature search was carried out using PubMed, Embase, MEDLINE, and China National Knowledge Infrastructure (CNKI) databases. Journal articles that discussed SARS-CoV-2 infection and cytokine storm were retrieved and appraised. Specific checkpoints identified in managing SARS-CoV-2 induced cytokine storm include a decrease in the level of Nod-Like Receptor 3 (NLRP3) inflammasome where drugs such as quercetin and anakinra were effective. Janus kinase-2 and signal transducer and activator of transcription-1 (JAK2/STAT1) signaling pathways were blocked by medicines such as tocilizumab, baricitinib, and quercetin. In addition, inhibition of interleukin (IL)-6 with dexamethasone, tocilizumab, and sarilumab effectively treats cytokine storm and significantly reduces mortality caused by COVID-19. Blockade of IL-1 with drugs such as canakinumab and anakinra, and inhibition of Bruton tyrosine kinase (BTK) with zanubrutinib and ibrutinib was also beneficial. These agents' overall mechanisms of action involve a decrease in circulating proinflammatory chemokines and cytokines and or blockade of their receptors. Consequently, the actions of these drugs significantly improve respiration and raise lymphocyte count and PaO2/FiO2 ratio. Targeting cytokine storms' pathogenesis genetic and molecular apparatus will substantially enhance lung function and reduce mortality due to the COVID-19 pandemic.
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Affiliation(s)
- Abdullahi Rabiu Abubakar
- Department of Pharmacology and Therapeutics, Faculty of Pharmaceutical Sciences, Bayero University, PMB 3452, Kano 700233, Nigeria;
| | - Rahnuma Ahmad
- Department of Physiology, Medical College for Women and Hospital, Dhaka 1230, Bangladesh;
| | | | - Sayeeda Rahman
- School of Medicine, American University of Integrative Sciences, Bridgetown BB11114, Barbados;
| | - Katia Iskandar
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, Lebanese University, Beirut P.O. Box 6573/14, Lebanon;
| | - Siddhartha Dutta
- Department of Pharmacology, All India Institute of Medical Sciences, Rajkot 360001, Gujrat, India;
| | - Angus Nnamdi Oli
- Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, PMB 5025, Awka 420110, Nigeria;
| | - Sameer Dhingra
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER), Hajipur 844102, Bihar, India;
| | - Maryam Abba Tor
- Department of Health and Biosciences, University of East London, University Way, London E16 2RD, UK;
| | - Ayukafangha Etando
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, Eswatini Medical Christian University, P.O. Box A624 Swazi Plaza Mbabane, Mbabane H101, Hhohho, Eswatini;
| | - Santosh Kumar
- Department of Periodontology and Implantology, Karnavati School of Dentistry, Karnavati University, 907/A, Adalaj Uvarsad Road, Gandhinagar 382422, Gujarat, India;
| | - Mohammed Irfan
- Department of Forensics, Federal University of Pelotas, R. Gomes Carneiro, 1-Centro, Pelotas 96010-610, RS, Brazil;
| | - Marshall Gowere
- Department of Pharmacology, Faculty of Health Sciences, Basic Medical Sciences Building, Prinshof Campus, University of Pretoria, Arcadia 0083, South Africa; (M.G.); (N.S.)
| | - Kona Chowdhury
- Department of Paediatrics, Gonoshasthaya Samaj Vittik Medical College and Hospital, Dhaka 1344, Bangladesh;
| | - Farhana Akter
- Department of Endocrinology, Chittagong Medical College, Chattogram 4203, Bangladesh;
| | - Dilshad Jahan
- Department of Hematology, Asgar Ali Hospital, 111/1/A Distillery Road, Gandaria Beside Dhupkhola, Dhaka 1204, Bangladesh;
| | - Natalie Schellack
- Department of Pharmacology, Faculty of Health Sciences, Basic Medical Sciences Building, Prinshof Campus, University of Pretoria, Arcadia 0083, South Africa; (M.G.); (N.S.)
| | - Mainul Haque
- Unit of Pharmacology, Faculty of Medicine and Defense Health, Universiti Pertahanan Nasional Malaysia (National Defense University of Malaysia), Kem Perdana Sungai Besi, Kuala Lumpur 57000, Malaysia
- Correspondence: or
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27
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Espinar-Buitrago M, Muñoz-Fernández MA. New Approaches to Dendritic Cell-Based Therapeutic Vaccines Against HIV-1 Infection. Front Immunol 2022; 12:719664. [PMID: 35058917 PMCID: PMC8763680 DOI: 10.3389/fimmu.2021.719664] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 12/07/2021] [Indexed: 11/13/2022] Open
Abstract
Due to the success of combined antiretroviral therapy (cART) in recent years, the pathological outcome of Human Immunodeficiency Virus type 1 (HIV-1) infection has improved substantially, achieving undetectable viral loads in most cases. Nevertheless, the presence of a viral reservoir formed by latently infected cells results in patients having to maintain treatment for life. In the absence of effective eradication strategies against HIV-1, research efforts are focused on obtaining a cure. One of these approaches is the creation of therapeutic vaccines. In this sense, the most promising one up to now is based on the establishing of the immunological synapse between dendritic cells (DCs) and T lymphocytes (TL). DCs are one of the first cells of the immune system to encounter HIV-1 by acting as antigen presenting cells, bringing about the interaction between innate and adaptive immune responses mediated by TL. Furthermore, TL are the end effector, and their response capacity is essential in the adaptive elimination of cells infected by pathogens. In this review, we summarize the knowledge of the interaction between DCs with TL, as well as the characterization of the specific T-cell response against HIV-1 infection. The use of nanotechnology in the design and improvement of vaccines based on DCs has been researched and presented here with a special emphasis.
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Affiliation(s)
- Marisierra Espinar-Buitrago
- Section Head Immunology, Laboratorio InmunoBiología Molecular, Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain.,Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain
| | - Ma Angeles Muñoz-Fernández
- Section Head Immunology, Laboratorio InmunoBiología Molecular, Hospital General Universitario Gregorio Marañón (HGUGM), Madrid, Spain.,Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid, Spain.,Spanish Human Immunodeficiency Virus- Hospital Gregorio Marañón (HIV-HGM) BioBank, Madrid, Spain.,Networking Research Center on Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
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Innate Immunity Response to BK Virus Infection in Polyomavirus-Associated Nephropathy in Kidney Transplant Recipients. TRANSPLANTOLOGY 2022. [DOI: 10.3390/transplantology3010003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
BK polyomavirus (BKV) mainly causes infection in uroepithelial and renal tubular epithelial cells of either immunocompetent or immunocompromised hosts. Despite asymptomatic or mild clinical features in immunocompetent hosts with BK infection, serious complications are frequently found in immunocompromised patients, especially patients with kidney transplantation. Accordingly, BKV-associated nephropathy (BKVN) demonstrates a wide range of clinical manifestations, including ureteric stenosis and hemorrhagic cystitis. In addition, BKV re-infection in post-kidney transplantation is also a main cause of kidney allograft dysfunction and graft loss. Since the direct anti-BKV is unavailable, immune response against BKV infection is the main mechanism for organism control and might be a novel strategy to treat or suppress BKV. As such, the innate immunity, consisting of immune cells and soluble molecules, does not only suppress BKV but also enhances the subsequent adaptive immunity to eradicate the virus. Furthermore, the re-activation of BKV in BKVN of kidney-transplanted recipients seems to be related to the status of innate immunity. Therefore, this review aims to collate the most recent knowledge of innate immune response against BKV and the association between the innate immunity status of kidney-transplanted recipients and BKV re-activation.
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Abstract
Viruses are essentially, obligate intracellular parasites. They require a host to replicate their genetic material, spread to other cells, and eventually to other hosts. For humans, most viral infections are not considered lethal, regardless if at the cellular level, the virus can obliterate individual cells. Constant genomic mutations, (which can alter the antigenic content of viruses such as influenza or coronaviruses), zoonosis or immunosuppression/immunocompromisation, is when viruses achieve higher host mortality. Frequent examples of the severe consequenses of viral infection can be seen in children and the elderly. In most instances, the immune system will take a multifaceted approach in defending the host against viruses. Depending on the virus, the individual, and the point of entry, the immune system will initiate a robust response which involves multiple components. In this chapter, we expand on the total immune system, breaking it down to the two principal types: Innate and Adaptive Immunity, their different roles in viral recognition and clearance. Finally, how different viruses activate and evade different arms of the immune system.
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Zulu MZ, Sureshchandra S, Pinski AN, Doratt B, Shen W, Messaoudi I. Obesity Correlates With Pronounced Aberrant Innate Immune Responses in Hospitalized Aged COVID-19 Patients. Front Immunol 2021; 12:760288. [PMID: 34707619 PMCID: PMC8542887 DOI: 10.3389/fimmu.2021.760288] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 09/17/2021] [Indexed: 12/23/2022] Open
Abstract
Both age and obesity are leading risk factors for severe coronavirus disease 2019 (COVID-19), which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Specifically, although most infections occur in individuals under the age of 55 years, 95% of hospitalizations, admissions to the intensive care unit, and deaths occur in those over the age of 55 years. Moreover, hospitalized COVID-19 patients have a higher prevalence of obesity. It is generally believed that chronic low-grade inflammation and dysregulated innate and adaptive immune responses that are associated with aging and obesity are responsible for this elevated risk of severe disease. However, the impact of advanced age and obesity on the host response to SARS-CoV-2 infection remains poorly defined. In this study, we assessed changes in the concentration of soluble immune mediators, IgG antibody titers, frequency of circulating immune cells, and cytokine responses to mitogen stimulation as a function of BMI and age. We detected significant negative correlations between BMI and myeloid immune cell subsets that were more pronounced in aged patients. Similarly, inflammatory cytokine production by monocytes was also negatively correlated with BMI in aged patients. These data suggest that the BMI-dependent impact on host response to SARS-CoV-2 is more pronounced on innate responses of aged patients.
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Affiliation(s)
- Michael Z Zulu
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States.,Institute for Immunology, University of California, Irvine, Irvine, CA, United States
| | - Suhas Sureshchandra
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States.,Institute for Immunology, University of California, Irvine, Irvine, CA, United States
| | - Amanda N Pinski
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Brianna Doratt
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States
| | - Weining Shen
- Department of Statistics, University of California, Irvine, Irvine, CA, United States
| | - Ilhem Messaoudi
- Department of Molecular Biology and Biochemistry, University of California, Irvine, Irvine, CA, United States.,Institute for Immunology, University of California, Irvine, Irvine, CA, United States.,Center for Virus Research, University of California, Irvine, Irvine, CA, United States
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31
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Chen Y, Lin J, Zhao Y, Ma X, Yi H. Toll-like receptor 3 (TLR3) regulation mechanisms and roles in antiviral innate immune responses. J Zhejiang Univ Sci B 2021; 22:609-632. [PMID: 34414698 PMCID: PMC8377577 DOI: 10.1631/jzus.b2000808] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 04/09/2021] [Accepted: 04/09/2021] [Indexed: 01/08/2023]
Abstract
Toll-like receptor 3 (TLR3) is a member of the TLR family, mediating the transcriptional induction of type I interferons (IFNs), proinflammatory cytokines, and chemokines, thereby collectively establishing an antiviral host response. Studies have shown that unlike other TLR family members, TLR3 is the only RNA sensor that is utterly dependent on the Toll-interleukin-1 receptor (TIR)-domain-containing adaptor-inducing IFN-β (TRIF). However, the details of how the TLR3-TRIF signaling pathway works in an antiviral response and how it is regulated are unclear. In this review, we focus on recent advances in understanding the antiviral mechanism of the TRIF pathway and describe the essential characteristics of TLR3 and its antiviral effects. Advancing our understanding of TLR3 may contribute to disease diagnosis and could foster the development of novel treatments for viral diseases.
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Affiliation(s)
- Yujuan Chen
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Junhong Lin
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Yao Zhao
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Xianping Ma
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China
| | - Huashan Yi
- College of Veterinary Medicine, Southwest University, Chongqing 402460, China.
- Chongqing Veterinary Science Engineering Research Center, Chongqing 402460, China.
- Immunology Research Center, Medical Research Institute, Southwest University, Chongqing 402460, China.
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32
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Wilk AJ, Lee MJ, Wei B, Parks B, Pi R, Martínez-Colón GJ, Ranganath T, Zhao NQ, Taylor S, Becker W, Jimenez-Morales D, Blomkalns AL, O’Hara R, Ashley EA, Nadeau KC, Yang S, Holmes S, Rabinovitch M, Rogers AJ, Greenleaf WJ, Blish CA. Multi-omic profiling reveals widespread dysregulation of innate immunity and hematopoiesis in COVID-19. J Exp Med 2021; 218:e20210582. [PMID: 34128959 PMCID: PMC8210586 DOI: 10.1084/jem.20210582] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/13/2021] [Accepted: 05/13/2021] [Indexed: 12/20/2022] Open
Abstract
Our understanding of protective versus pathological immune responses to SARS-CoV-2, the virus that causes coronavirus disease 2019 (COVID-19), is limited by inadequate profiling of patients at the extremes of the disease severity spectrum. Here, we performed multi-omic single-cell immune profiling of 64 COVID-19 patients across the full range of disease severity, from outpatients with mild disease to fatal cases. Our transcriptomic, epigenomic, and proteomic analyses revealed widespread dysfunction of peripheral innate immunity in severe and fatal COVID-19, including prominent hyperactivation signatures in neutrophils and NK cells. We also identified chromatin accessibility changes at NF-κB binding sites within cytokine gene loci as a potential mechanism for the striking lack of pro-inflammatory cytokine production observed in monocytes in severe and fatal COVID-19. We further demonstrated that emergency myelopoiesis is a prominent feature of fatal COVID-19. Collectively, our results reveal disease severity-associated immune phenotypes in COVID-19 and identify pathogenesis-associated pathways that are potential targets for therapeutic intervention.
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Affiliation(s)
- Aaron J. Wilk
- Stanford Medical Scientist Training Program, Stanford University School of Medicine, Stanford, CA
- Stanford Immunology Program, Stanford University School of Medicine, Stanford, CA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Madeline J. Lee
- Stanford Immunology Program, Stanford University School of Medicine, Stanford, CA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Bei Wei
- Department of Genetics, Stanford University School of Medicine, Stanford, CA
| | - Benjamin Parks
- Department of Genetics, Stanford University School of Medicine, Stanford, CA
- Graduate Program in Computer Science, Stanford University School of Medicine, Stanford, CA
| | - Ruoxi Pi
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | | | - Thanmayi Ranganath
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Nancy Q. Zhao
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Shalina Taylor
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA
- Vera Moulton Wall Center for Pulmonary Vascular Disease, Stanford University School of Medicine, Stanford, CA
| | - Winston Becker
- Department of Genetics, Stanford University School of Medicine, Stanford, CA
| | | | | | - Andra L. Blomkalns
- Department of Emergency Medicine, Stanford University School of Medicine, Stanford, CA
| | - Ruth O’Hara
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA
| | - Euan A. Ashley
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - Kari C. Nadeau
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
- Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, CA
| | - Samuel Yang
- Department of Emergency Medicine, Stanford University School of Medicine, Stanford, CA
| | - Susan Holmes
- Department of Statistics, Stanford University, Stanford, CA
| | - Marlene Rabinovitch
- Department of Pediatrics, Stanford University School of Medicine, Stanford, CA
- Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA
- Vera Moulton Wall Center for Pulmonary Vascular Disease, Stanford University School of Medicine, Stanford, CA
| | - Angela J. Rogers
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
| | - William J. Greenleaf
- Department of Genetics, Stanford University School of Medicine, Stanford, CA
- Department of Applied Physics, Stanford University, Stanford, CA
| | - Catherine A. Blish
- Stanford Medical Scientist Training Program, Stanford University School of Medicine, Stanford, CA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA
- Chan Zuckerberg Biohub, San Francisco, CA
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Kumar NP, Padmapriyadarsini C, Rajamanickam A, Bhavani PK, Nancy A, Jeyadeepa B, Selvaraj N, Ashokan D, Renji RM, Venkataramani V, Tripathy S, Babu S. BCG vaccination induces enhanced frequencies of dendritic cells and altered plasma levels of type I and type III interferons in elderly individuals. Int J Infect Dis 2021; 110:98-104. [PMID: 34302964 PMCID: PMC8295056 DOI: 10.1016/j.ijid.2021.07.041] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 07/01/2021] [Accepted: 07/19/2021] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE BCG can improve the response to vaccines directed against viral infections, and also, BCG vaccination reduces all-cause mortality, most likely by protecting against unrelated infections. However, the effect of BCG vaccination on dendritic cell (DC) subsets is not well characterized. METHODS We investigated the impact of BCG vaccination on the frequencies of DC subsets and type I and III interferons (IFNs) using whole blood and plasma samples in a group of elderly individuals (age 60-80 years) at one-month post-vaccination as part of our clinical study to examine the effect of BCG on COVID-19. RESULTS Our results demonstrate that BCG vaccination induced enhanced frequencies of plasmacytoid DC (pDC) and myeloid DC (mDC). BCG vaccination also induced diminished plasma levels of type I IFNs, IFNα and IFNβ but increased levels of type III IFNs, IL-28A and IL-29. CONCLUSIONS Thus, BCG vaccination was associated with enhanced DC subsets and IL-28A/IL-29 in elderly individuals, suggesting its ability to induce non-specific innate immune responses.
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Affiliation(s)
| | | | - Anuradha Rajamanickam
- ICMR-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India
| | | | - Arul Nancy
- ICMR-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India
| | | | - Nandhini Selvaraj
- ICMR-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India
| | - Dinesh Ashokan
- ICMR-National Institute for Research in Tuberculosis, Chennai, India
| | - Rachel Mariam Renji
- ICMR-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India
| | - Vijayalakshmi Venkataramani
- ICMR-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India
| | - Srikanth Tripathy
- ICMR-National Institute for Research in Tuberculosis, Chennai, India
| | - Subash Babu
- ICMR-National Institute for Research in Tuberculosis-International Center for Excellence in Research, Chennai, India.
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Soto JA, Gálvez NMS, Pacheco GA, Canedo-Marroquín G, Bueno SM, Kalergis AM. Induction of Protective Immunity by a Single Low Dose of a Master Cell Bank cGMP-rBCG-P Vaccine Against the Human Metapneumovirus in Mice. Front Cell Infect Microbiol 2021; 11:662714. [PMID: 34268134 PMCID: PMC8276701 DOI: 10.3389/fcimb.2021.662714] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 05/24/2021] [Indexed: 12/29/2022] Open
Abstract
Human metapneumovirus (hMPV) is an emergent virus, which mainly infects the upper and lower respiratory tract epithelium. This pathogen is responsible for a significant portion of hospitalizations due to bronchitis and pneumonia in infants and the elderly worldwide. hMPV infection induces a pro-inflammatory immune response upon infection of the host, which is not adequate for the clearance of this pathogen. The lack of knowledge regarding the different molecular mechanisms of infection of this virus has delayed the licensing of effective treatments or vaccines. As part of this work, we evaluated whether a single and low dose of a recombinant Mycobacterium bovis Bacillus Calmette-Guérin (BCG) expressing the phosphoprotein of hMPV (rBCG-P) can induce a protective immune response in mice. Immunization with the rBCG-P significantly decreased neutrophil counts and viral loads in the lungs of infected mice at different time points. This immune response was also associated with a modulated infiltration of innate cells into the lungs, such as interstitial macrophages (IM) and alveolar macrophages (AM), activated CD4+ and CD8+ T cells, and changes in the population of differentiated subsets of B cells, such as marginal zone B cells and plasma cells. The humoral immune response induced by the rBCG-P led to an early and robust IgA response and a late and constant IgG response. Finally, we determined that the transfer of cells or sera from immunized and infected mice to naïve mice promoted an efficient viral clearance. Therefore, a single and low dose of rBCG-P can protect mice from the disease caused by hMPV, and this vaccine could be a promising candidate for future clinical trials.
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Affiliation(s)
- Jorge A. Soto
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Nicolás M. S. Gálvez
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Gaspar A. Pacheco
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Gisela Canedo-Marroquín
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Susan M. Bueno
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Alexis M. Kalergis
- Millennium Institute on Immunology and Immunotherapy, Departamento de Genética Molecular y Microbiología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
- Departamento de Endocrinología, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
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35
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Wilden JJ, Jacob JC, Ehrhardt C, Ludwig S, Boergeling Y. Altered Signal Transduction in the Immune Response to Influenza Virus and S. pneumoniae or S. aureus Co-Infections. Int J Mol Sci 2021; 22:5486. [PMID: 34067487 PMCID: PMC8196994 DOI: 10.3390/ijms22115486] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/14/2021] [Accepted: 05/19/2021] [Indexed: 12/23/2022] Open
Abstract
Influenza virus is a well-known respiratory pathogen, which still leads to many severe pulmonary infections in the human population every year. Morbidity and mortality rates are further increased if virus infection coincides with co-infections or superinfections caused by bacteria such as Streptococcus pneumoniae (S. pneumoniae) and Staphylococcus aureus (S. aureus). This enhanced pathogenicity is due to complex interactions between the different pathogens and the host and its immune system and is mainly governed by altered intracellular signaling processes. In this review, we summarize the recent findings regarding the innate and adaptive immune responses during co-infection with influenza virus and S. pneumoniae or S. aureus, describing the signaling pathways involved and how these interactions influence disease outcomes.
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Affiliation(s)
- Janine J. Wilden
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, 48149 Muenster, Germany; (J.J.W.); (J.C.J.); (S.L.)
| | - Jasmin C. Jacob
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, 48149 Muenster, Germany; (J.J.W.); (J.C.J.); (S.L.)
- CiM-IMPRS, The Joined Graduate School of the Cells in Motion Interfaculty Centre, University of Muenster and the International Max Planck Research School—Molecular Biomedicine, 48149 Muenster, Germany
| | - Christina Ehrhardt
- Section of Experimental Virology, Center for Molecular Biomedicine (CMB), Institute of Medical Microbiology, Jena University Hospital, 07745 Jena, Germany;
| | - Stephan Ludwig
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, 48149 Muenster, Germany; (J.J.W.); (J.C.J.); (S.L.)
- “Cells in Motion Interfaculty Center (CIMIC)”, WWU Muenster, 48149 Muenster, Germany
| | - Yvonne Boergeling
- Institute of Virology Muenster (IVM), Westfaelische Wilhelms-University Muenster, 48149 Muenster, Germany; (J.J.W.); (J.C.J.); (S.L.)
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Host Components That Modulate the Disease Caused by hMPV. Viruses 2021; 13:v13030519. [PMID: 33809875 PMCID: PMC8004172 DOI: 10.3390/v13030519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/27/2021] [Accepted: 03/01/2021] [Indexed: 12/13/2022] Open
Abstract
Human metapneumovirus (hMPV) is one of the main pathogens responsible for acute respiratory infections in children up to 5 years of age, contributing substantially to health burden. The worldwide economic and social impact of this virus is significant and must be addressed. The structural components of hMPV (either proteins or genetic material) can be detected by several receptors expressed by host cells through the engagement of pattern recognition receptors. The recognition of the structural components of hMPV can promote the signaling of the immune response to clear the infection, leading to the activation of several pathways, such as those related to the interferon response. Even so, several intrinsic factors are capable of modulating the immune response or directly inhibiting the replication of hMPV. This article will discuss the current knowledge regarding the innate and adaptive immune response during hMPV infections. Accordingly, the host intrinsic components capable of modulating the immune response and the elements capable of restricting viral replication during hMPV infections will be examined.
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Alamri A, Fisk D, Upreti D, Kung SKP. A Missing Link: Engagements of Dendritic Cells in the Pathogenesis of SARS-CoV-2 Infections. Int J Mol Sci 2021; 22:1118. [PMID: 33498725 PMCID: PMC7865603 DOI: 10.3390/ijms22031118] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 01/14/2021] [Accepted: 01/20/2021] [Indexed: 12/13/2022] Open
Abstract
Dendritic cells (DC) connect the innate and adaptive arms of the immune system and carry out numerous roles that are significant in the context of viral disease. Their functions include the control of inflammatory responses, the promotion of tolerance, cross-presentation, immune cell recruitment and the production of antiviral cytokines. Based primarily on the available literature that characterizes the behaviour of many DC subsets during Severe acute respiratory syndrome (SARS) and coronavirus disease 2019 (COVID-19), we speculated possible mechanisms through which DC could contribute to COVID-19 immune responses, such as dissemination of Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to lymph nodes, mounting dysfunctional inteferon responses and T cell immunity in patients. We highlighted gaps of knowledge in our understanding of DC in COVID-19 pathogenesis and discussed current pre-clinical development of therapies for COVID-19.
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Affiliation(s)
- Abdulaziz Alamri
- Department of Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3E OT5, Canada; (A.A.); (D.F.)
| | - Derek Fisk
- Department of Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3E OT5, Canada; (A.A.); (D.F.)
| | - Deepak Upreti
- Surgery, Faculty of Health Sciences, McMaster University, 1200 Main Street West, Hamilton, ON L8N 3Z5, Canada;
| | - Sam K. P. Kung
- Department of Immunology, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Winnipeg, MB R3E OT5, Canada; (A.A.); (D.F.)
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