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Wongchitrat P, Chanmee T, Govitrapong P. Molecular Mechanisms Associated with Neurodegeneration of Neurotropic Viral Infection. Mol Neurobiol 2024; 61:2881-2903. [PMID: 37946006 PMCID: PMC11043213 DOI: 10.1007/s12035-023-03761-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/31/2023] [Indexed: 11/12/2023]
Abstract
Viral infections of the central nervous system (CNS) cause variable outcomes from acute to severe neurological sequelae with increased morbidity and mortality. Viral neuroinvasion directly or indirectly induces encephalitis via dysregulation of the immune response and contributes to the alteration of neuronal function and the degeneration of neuronal cells. This review provides an overview of the cellular and molecular mechanisms of virus-induced neurodegeneration. Neurotropic viral infections influence many aspects of neuronal dysfunction, including promoting chronic inflammation, inducing cellular oxidative stress, impairing mitophagy, encountering mitochondrial dynamics, enhancing metabolic rewiring, altering neurotransmitter systems, and inducing misfolded and aggregated pathological proteins associated with neurodegenerative diseases. These pathogenetic mechanisms create a multidimensional injury of the brain that leads to specific neuronal and brain dysfunction. The understanding of the molecular mechanisms underlying the neurophathogenesis associated with neurodegeneration of viral infection may emphasize the strategies for prevention, protection, and treatment of virus infection of the CNS.
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Affiliation(s)
- Prapimpun Wongchitrat
- Center for Research Innovation and Biomedical Informatics, Faculty of Medical Technology, Mahidol University, 999 Phutthamonthon 4 Road, Salaya, Phutthamonthon, Nakhon Pathom, 73170, Thailand.
| | - Theerawut Chanmee
- Department of Clinical Chemistry, Faculty of Medical Technology, Mahidol University, Salaya, Nakhon Pathom, Thailand
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2
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Yue Z, Zhang X, Gu Y, Liu Y, Lan LM, Liu Y, Li Y, Yang G, Wan P, Chen X. Regulation and functions of the NLRP3 inflammasome in RNA virus infection. Front Cell Infect Microbiol 2024; 13:1309128. [PMID: 38249297 PMCID: PMC10796458 DOI: 10.3389/fcimb.2023.1309128] [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: 10/07/2023] [Accepted: 11/30/2023] [Indexed: 01/23/2024] Open
Abstract
Virus infection is one of the greatest threats to human life and health. In response to viral infection, the host's innate immune system triggers an antiviral immune response mostly mediated by inflammatory processes. Among the many pathways involved, the nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 (NLRP3) inflammasome has received wide attention in the context of viral infection. The NLRP3 inflammasome is an intracellular sensor composed of three components, including the innate immune receptor NLRP3, adaptor apoptosis-associated speck-like protein containing CARD (ASC), and the cysteine protease caspase-1. After being assembled, the NLRP3 inflammasome can trigger caspase-1 to induce gasdermin D (GSDMD)-dependent pyroptosis, promoting the maturation and secretion of proinflammatory cytokines such as interleukin-1 (IL-1β) and interleukin-18 (IL-18). Recent studies have revealed that a variety of viruses activate or inhibit the NLRP3 inflammasome via viral particles, proteins, and nucleic acids. In this review, we present a variety of regulatory mechanisms and functions of the NLRP3 inflammasome upon RNA viral infection and demonstrate multiple therapeutic strategies that target the NLRP3 inflammasome for anti-inflammatory effects in viral infection.
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Affiliation(s)
- Zhaoyang Yue
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Xuelong Zhang
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Yu Gu
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Ying Liu
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Lin-Miaoshen Lan
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Yilin Liu
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Yongkui Li
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Ge Yang
- Foshan Institute of Medical Microbiology, Foshan, China
| | - Pin Wan
- Foshan Institute of Medical Microbiology, Foshan, China
- Wuhan Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Xin Chen
- Institute of Medical Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Key Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
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3
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Dobrzyńska M, Moniuszko-Malinowska A, Skrzydlewska E. Metabolic response to CNS infection with flaviviruses. J Neuroinflammation 2023; 20:218. [PMID: 37775774 PMCID: PMC10542253 DOI: 10.1186/s12974-023-02898-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 09/15/2023] [Indexed: 10/01/2023] Open
Abstract
Flaviviruses are arthropod-borne RNA viruses found worldwide that, when introduced into the human body, cause diseases, including neuroinfections, that can lead to serious metabolic consequences and even death. Some of the diseases caused by flaviviruses occur continuously in certain regions, while others occur intermittently or sporadically, causing epidemics. Some of the most common flaviviruses are West Nile virus, dengue virus, tick-borne encephalitis virus, Zika virus and Japanese encephalitis virus. Since all the above-mentioned viruses are capable of penetrating the blood-brain barrier through different mechanisms, their actions also affect the central nervous system (CNS). Like other viruses, flaviviruses, after entering the human body, contribute to redox imbalance and, consequently, to oxidative stress, which promotes inflammation in skin cells, in the blood and in CNS. This review focuses on discussing the effects of oxidative stress and inflammation resulting from pathogen invasion on the metabolic antiviral response of the host, and the ability of viruses to evade the consequences of metabolic changes or exploit them for increased replication and further progression of infection, which affects the development of sequelae and difficulties in therapy.
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Affiliation(s)
- Marta Dobrzyńska
- Department of Analytical Chemistry, Medical University of Białystok, Białystok, Poland
| | - Anna Moniuszko-Malinowska
- Department of Infectious Diseases and Neuroinfections, Medical University of Bialystok, Zurawia 14, 15-540, Bialystok, Poland.
| | - Elżbieta Skrzydlewska
- Department of Analytical Chemistry, Medical University of Białystok, Białystok, Poland
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4
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Manna S, Das K, Santra S, Nosova EV, Zyryanov GV, Halder S. Structural and Synthetic Aspects of Small Ring Oxa- and Aza-Heterocyclic Ring Systems as Antiviral Activities. Viruses 2023; 15:1826. [PMID: 37766233 PMCID: PMC10536032 DOI: 10.3390/v15091826] [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: 03/31/2023] [Revised: 08/17/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Antiviral properties of different oxa- and aza-heterocycles are identified and properly correlated with their structural features and discussed in this review article. The primary objective is to explore the activity of such ring systems as antiviral agents, as well as their synthetic routes and biological significance. Eventually, the structure-activity relationship (SAR) of the heterocyclic compounds, along with their salient characteristics are exhibited to build a suitable platform for medicinal chemists and biotechnologists. The synergistic conclusions are extremely important for the introduction of a newer tool for the future drug discovery program.
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Affiliation(s)
- Sibasish Manna
- Department of Chemistry, Visvesvaraya National Institute of Technology, Nagpur 440010, India
| | - Koushik Das
- Department of Chemistry, Visvesvaraya National Institute of Technology, Nagpur 440010, India
| | - Sougata Santra
- Department of Organic and Biomolecular Chemistry, Chemical Engineering Institute, Ural Federal University, 19 Mira Street, 620002 Yekaterinburg, Russia; (S.S.); (E.V.N.); (G.V.Z.)
| | - Emily V. Nosova
- Department of Organic and Biomolecular Chemistry, Chemical Engineering Institute, Ural Federal University, 19 Mira Street, 620002 Yekaterinburg, Russia; (S.S.); (E.V.N.); (G.V.Z.)
- I. Ya. Postovskiy Institute of Organic Synthesis, Ural Division of the Russian Academy of Sciences, 22 S. Kovalevskoy Street, 620219 Yekaterinburg, Russia
| | - Grigory V. Zyryanov
- Department of Organic and Biomolecular Chemistry, Chemical Engineering Institute, Ural Federal University, 19 Mira Street, 620002 Yekaterinburg, Russia; (S.S.); (E.V.N.); (G.V.Z.)
- I. Ya. Postovskiy Institute of Organic Synthesis, Ural Division of the Russian Academy of Sciences, 22 S. Kovalevskoy Street, 620219 Yekaterinburg, Russia
| | - Sandipan Halder
- Department of Chemistry, Visvesvaraya National Institute of Technology, Nagpur 440010, India
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5
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Ashraf-Uz-Zaman M, Li X, Yao Y, Mishra CB, Moku BK, Song Y. Quinazolinone Compounds Have Potent Antiviral Activity against Zika and Dengue Virus. J Med Chem 2023; 66:10746-10760. [PMID: 37506506 PMCID: PMC10463567 DOI: 10.1021/acs.jmedchem.3c00924] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
Dengue (DENV) and Zika (ZIKV) viruses are important human pathogens, causing ∼100 million symptomatic infections each year. These infections carry a 20-fold increased incidence of serious neurological diseases, such as microcephaly in newborns (for ZIKV) and Guillain-Barré syndrome. Moreover, DENV can develop serious and possibly life-threatening dengue hemorrhagic fever in certain patients. Patients recovered from one of the four serotypes of DENV are still susceptible to other serotypes with a higher likelihood of serious disease because of antibody-dependent enhancement. Except for mosquito control, there have been no antiviral drugs to prevent and treat ZIKV/DENV infections. Phenotypic screening found that 2,3,6-trisubstituted quinazolinone compounds are novel inhibitors of ZIKV replication. Fifty-four analogues were synthesized, and their structure-activity relationships are discussed. Additional testing shows that compounds 22, 27, and 47 exhibited broad and potent activities against ZIKV and DENV with EC50 values as low as 86 nM with no significant cytotoxicity to mammalian cells.
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Affiliation(s)
- Md Ashraf-Uz-Zaman
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Xin Li
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Yuan Yao
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Chandra Bhushan Mishra
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Bala Krishna Moku
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
| | - Yongcheng Song
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
- Dan L. Duncan Comprehensive Cancer Center, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX 77030, USA
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Fialho EMS, Veras EM, Jesus CMD, Gomes LN, Khouri R, Sousa PS, Ribeiro MRC, Batista RFL, Costa LC, Nascimento FRF, Silva AAM, Soeiro-Pereira PV. Maternal Th17 Profile after Zika Virus Infection Is Involved in Congenital Zika Syndrome Development in Children. Viruses 2023; 15:1320. [PMID: 37376620 DOI: 10.3390/v15061320] [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: 05/04/2023] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Brazil is one of the countries that experienced an epidemic of microcephaly and other congenital manifestations related to maternal Zika virus infection which can result in Congenital Zika Syndrome (CZS). Since the Zika virus can modulate the immune system, studying mothers' and children's immune profiles become essential to better understanding CZS development. Therefore, we investigated the lymphocyte population profile of children who developed CZS and their mothers' immune response in this study. The study groups were formed from the Plaque Reduction Neutralization Test (PRNT) (CZS+ group) result. To evaluate the lymphocyte population profile, we performed phenotyping of peripheral lymphocytes and quantification of serum cytokine levels. The immunophenotyping and cytokine profile was correlated between CSZ+ children and their mothers. Both groups exhibited increased interleukin-17 levels and a reduction in the subpopulation of CD4+ T lymphocytes. In contrast, the maternal group showed a reduction in the population of B lymphocytes. Thus, the development of CZS is related to the presence of an inflammatory immune profile in children and their mothers characterized by Th17 activation.
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Affiliation(s)
- Eder M S Fialho
- Health Sciences Graduate Program, Biological and Health Sciences Center, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
| | - Emanoel M Veras
- Medical School, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
| | - Caroline M de Jesus
- Health and Technology Graduate Program, Biological and Health Sciences Center, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
| | - Líllian N Gomes
- Department of Immunology, University of São Paulo, São Paulo 05508-000, SP, Brazil
| | - Ricardo Khouri
- Gonçalo Moniz Research Institute, FIOCRUZ-Bahia, Salvador 40296-710, BA, Brazil
| | - Patrícia S Sousa
- Reference Center on Neurodevelopment, Assistance and Rehabilitation of Children/NINAR-State Department of Health of the State of Maranhão, São Luís 65077-357, MA, Brazil
| | - Marizélia R C Ribeiro
- Department of Medicine III, Federal University of Maranhão, São Luís 65020-240, MA, Brazil
| | - Rosângela F L Batista
- Department of Public Health, Federal University of Maranhão, São Luís 65020-060, MA, Brazil
| | - Luciana C Costa
- Department of Public Health, Federal University of Maranhão, São Luís 65020-060, MA, Brazil
| | - Flávia R F Nascimento
- Health Sciences Graduate Program, Biological and Health Sciences Center, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
- Department of Pathology, Federal University of Maranhão, São Luís 65065-545, MA, Brazil
| | - Antônio A M Silva
- Department of Public Health, Federal University of Maranhão, São Luís 65020-060, MA, Brazil
| | - Paulo V Soeiro-Pereira
- Health Sciences Graduate Program, Biological and Health Sciences Center, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
- Department of Pathology, Federal University of Maranhão, São Luís 65065-545, MA, Brazil
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7
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Habibi MA, Nezhad Shamohammadi F, Rajaei T, Namdari H, Pashaei MR, Farajifard H, Ahmadpour S. Immunopathogenesis of viral infections in neurological autoimmune disease. BMC Neurol 2023; 23:201. [PMID: 37221459 DOI: 10.1186/s12883-023-03239-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 05/04/2023] [Indexed: 05/25/2023] Open
Abstract
Autoimmune diseases develop due to self-tolerance failure in recognizing self and non-self-antigens. Several factors play a role in inducing autoimmunity, including genetic and environmental elements. Several studies demonstrated the causative role of viruses; however, some studies showed the preventive effect of viruses in the development of autoimmunity. Neurological autoimmune diseases are classified based on the targets of autoantibodies, which target intracellular or extracellular antigens rather than neurons. Several theories have been hypothesized to explain the role of viruses in the pathogenesis of neuroinflammation and autoimmune diseases. This study reviewed the current data on the immunopathogenesis of viruses in autoimmunity of the nervous system.
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Affiliation(s)
- Mohammad Amin Habibi
- Multiple Sclerosis Research Center, Neuroscience Institut, Tehran University of Medical Sciences, Tehran, Iran
- Pediatric Cell and Gene Therapy Research Center, Gene, Cell and Tissue Research Institute , Tehran University of Medical Sciences, Tehran, Iran
| | | | - Taraneh Rajaei
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Haideh Namdari
- Iranian Tissue Bank and Research Center, Imam Khomeini Hospital, Tehran University of Medical Science, Tehran, Iran
| | - Mohammad Reza Pashaei
- Department of Internal Medicine, School of Medicine, Patient Safety Research Center, Clinical Research Institute, Urmia University of Medical Science, Urmia, Iran
| | - Hamid Farajifard
- Pediatric Cell and Gene Therapy Research Center, Gene, Cell and Tissue Research Institute , Tehran University of Medical Sciences, Tehran, Iran.
| | - Sajjad Ahmadpour
- Patient Safety Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
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Chiarini A, Gui L, Viviani C, Armato U, Dal Prà I. NLRP3 Inflammasome’s Activation in Acute and Chronic Brain Diseases—An Update on Pathogenetic Mechanisms and Therapeutic Perspectives with Respect to Other Inflammasomes. Biomedicines 2023; 11:biomedicines11040999. [PMID: 37189617 DOI: 10.3390/biomedicines11040999] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/16/2023] [Accepted: 03/17/2023] [Indexed: 03/29/2023] Open
Abstract
Increasingly prevalent acute and chronic human brain diseases are scourges for the elderly. Besides the lack of therapies, these ailments share a neuroinflammation that is triggered/sustained by different innate immunity-related protein oligomers called inflammasomes. Relevant neuroinflammation players such as microglia/monocytes typically exhibit a strong NLRP3 inflammasome activation. Hence the idea that NLRP3 suppression might solve neurodegenerative ailments. Here we review the recent Literature about this topic. First, we update conditions and mechanisms, including RNAs, extracellular vesicles/exosomes, endogenous compounds, and ethnic/pharmacological agents/extracts regulating NLRP3 function. Second, we pinpoint NLRP3-activating mechanisms and known NLRP3 inhibition effects in acute (ischemia, stroke, hemorrhage), chronic (Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, MS, ALS), and virus-induced (Zika, SARS-CoV-2, and others) human brain diseases. The available data show that (i) disease-specific divergent mechanisms activate the (mainly animal) brains NLRP3; (ii) no evidence proves that NLRP3 inhibition modifies human brain diseases (yet ad hoc trials are ongoing); and (iii) no findings exclude that concurrently activated other-than-NLRP3 inflammasomes might functionally replace the inhibited NLRP3. Finally, we highlight that among the causes of the persistent lack of therapies are the species difference problem in disease models and a preference for symptomatic over etiologic therapeutic approaches. Therefore, we posit that human neural cell-based disease models could drive etiological, pathogenetic, and therapeutic advances, including NLRP3’s and other inflammasomes’ regulation, while minimizing failure risks in candidate drug trials.
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Quincozes-Santos A, Bobermin LD, Costa NLF, Thomaz NK, Almeida RRDS, Beys-da-Silva WO, Santi L, Rosa RL, Capra D, Coelho-Aguiar JM, DosSantos MF, Heringer M, Cirne-Lima EO, Guimarães JA, Schuler-Faccini L, Gonçalves CA, Moura-Neto V, Souza DO. The role of glial cells in Zika virus-induced neurodegeneration. Glia 2023. [PMID: 36866453 DOI: 10.1002/glia.24353] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Abstract
Zika virus (ZIKV) is a strongly neurotropic flavivirus whose infection has been associated with microcephaly in neonates. However, clinical and experimental evidence indicate that ZIKV also affects the adult nervous system. In this regard, in vitro and in vivo studies have shown the ability of ZIKV to infect glial cells. In the central nervous system (CNS), glial cells are represented by astrocytes, microglia, and oligodendrocytes. In contrast, the peripheral nervous system (PNS) constitutes a highly heterogeneous group of cells (Schwann cells, satellite glial cells, and enteric glial cells) spread through the body. These cells are critical in both physiological and pathological conditions; as such, ZIKV-induced glial dysfunctions can be associated with the development and progression of neurological complications, including those related to the adult and aging brain. This review will address the effects of ZIKV infection on CNS and PNS glial cells, focusing on cellular and molecular mechanisms, including changes in the inflammatory response, oxidative stress, mitochondrial dysfunction, Ca2+ and glutamate homeostasis, neural metabolism, and neuron-glia communication. Of note, preventive and therapeutic strategies that focus on glial cells may emerge to delay and/or prevent the development of ZIKV-induced neurodegeneration and its consequences.
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Affiliation(s)
- André Quincozes-Santos
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Larissa Daniele Bobermin
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Naithan Ludian Fernandes Costa
- Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Natalie K Thomaz
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rômulo Rodrigo de Souza Almeida
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | | | - Lucélia Santi
- Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Rafael L Rosa
- Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Daniela Capra
- Instituto Estadual do Cérebro Paulo Niemeyer, Secretaria Estadual de Saúde do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Juliana M Coelho-Aguiar
- Laboratório de Morfogênese Celular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Marcos Fabio DosSantos
- Laboratório de Propriedades Mecânicas e Biologia Celular, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Manoela Heringer
- Instituto Estadual do Cérebro Paulo Niemeyer, Secretaria Estadual de Saúde do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | | | | | - Carlos-Alberto Gonçalves
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Neurociências, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Vivaldo Moura-Neto
- Instituto Estadual do Cérebro Paulo Niemeyer, Secretaria Estadual de Saúde do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.,Laboratório de Morfogênese Celular, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Diogo Onofre Souza
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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10
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Fialho EMS, Veras EM, de Jesus CM, Khouri R, Sousa PS, Ribeiro MRC, Costa LC, Gomes LN, Nascimento FRF, Silva AAM, Soeiro-Pereira PV. Maternal Immune Response to ZIKV Triggers High-Inflammatory Profile in Congenital Zika Syndrome. Viruses 2023; 15:220. [PMID: 36680261 PMCID: PMC9866085 DOI: 10.3390/v15010220] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/04/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
The immunological mechanisms involved in the development of congenital Zika syndrome (CZS) have yet to be fully clarified. This study aims to assess the immuno-inflammatory profile of mothers and their children who have been diagnosed with CZS. Blood samples, which were confirmed clinically using the plaque reduction neutralization test (PRNT), were collected from children with CZS and their mothers (CZS+ group). Samples were also collected from children who did not develop CZS and had a negative PRNT result and from their mothers (CZS- group). The data demonstrated a correlation between the leukocyte profile of CZS+ children and their mothers, more evident in monocytes. Monocytes from mothers of CZS+ children showed low expression of HLA and elevated hydrogen peroxide production. CZS+ children presented standard HLA expression and a higher hydrogen peroxide concentration than CZS- children. Monocyte superoxide dismutase activity remained functional. Moreover, when assessing the monocyte polarization, it was observed that there was no difference in nitrite concentrations; however, there was a decrease in arginase activity in CZS+ children. These data suggest that ZIKV infection induces a maternal immuno-inflammatory background related to the child's inflammatory response after birth, possibly affecting the development and progression of congenital Zika syndrome.
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Affiliation(s)
- Eder M. S. Fialho
- Health Sciences Graduate Program, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
| | - Emanoel M. Veras
- Medical School, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
| | - Caroline M. de Jesus
- Health and Technology Graduate Program, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
| | - Ricardo Khouri
- Gonçalo Moniz Research Institute, FIOCRUZ-Bahia, Salvador 40296-710, BA, Brazil
| | - Patrícia S. Sousa
- Reference Center on Neurodevelopment, Assistance and Rehabilitation of Children/NINAR–State Department of Health of the State of Maranhão, São Luís 65077-357, MA, Brazil
| | | | - Luciana C. Costa
- Department of Public Health, Federal University of Maranhão, São Luís 65020-060, MA, Brazil
| | - Líllian N. Gomes
- Department of Immunology, University of São Paulo, São Paulo 05508-000, SP, Brazil
| | - Flávia R. F. Nascimento
- Health Sciences Graduate Program, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
- Department of Pathology, Federal University of Maranhão, São Luís 65065-545, MA, Brazil
| | - Antônio A. M. Silva
- Department of Public Health, Federal University of Maranhão, São Luís 65020-060, MA, Brazil
| | - Paulo V. Soeiro-Pereira
- Health Sciences Graduate Program, Federal University of Maranhão, São Luís 65080-805, MA, Brazil
- Department of Pathology, Federal University of Maranhão, São Luís 65065-545, MA, Brazil
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11
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Wikan N, Potikanond S, Hankittichai P, Thaklaewphan P, Monkaew S, Smith DR, Nimlamool W. Alpinetin Suppresses Zika Virus-Induced Interleukin-1β Production and Secretion in Human Macrophages. Pharmaceutics 2022; 14:pharmaceutics14122800. [PMID: 36559293 PMCID: PMC9782830 DOI: 10.3390/pharmaceutics14122800] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/08/2022] [Accepted: 12/11/2022] [Indexed: 12/16/2022] Open
Abstract
Zika virus (ZIKV) infection has been recognized to cause adverse sequelae in the developing fetus. Specially, this virus activates the excessive release of IL-1β causing inflammation and altered physiological functions in multiple organs. Although many attempts have been invested to develop vaccine, antiviral, and antibody therapies, development of agents focusing on limiting ZIKV-induced IL-1β release have not gained much attention. We aimed to study the effects of alpinetin (AP) on IL-1β production in human macrophage upon exposure to ZIKV. Our study demonstrated that ZIKV stimulated IL-1β release in the culture supernatant of ZIKV-infected cells, and AP could effectively reduce the level of this cytokine. AP exhibited no virucidal activities against ZIKV nor caused alteration in viral production. Instead, AP greatly inhibited intracellular IL-1β synthesis. Surprisingly, this compound did not inhibit ZIKV-induced activation of NF-κB and its nuclear translocation. However, AP could significantly inhibit ZIKV-induced p38 MAPK activation without affecting the phosphorylation status of ERK1/2 and JNK. These observations suggest the possibility that AP may reduce IL-1β production, in part, through suppressing p38 MAPK signaling. Our current study sheds light on the possibility of using AP as an alternative agent for treating complications caused by ZIKV infection-induced IL-1β secretion.
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Affiliation(s)
- Nitwara Wikan
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
- Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
| | - Saranyapin Potikanond
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
- Research Center for Development of Local Lanna Rice and Rice Products, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Phateep Hankittichai
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Phatarawat Thaklaewphan
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Sathit Monkaew
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Duncan R. Smith
- Institute of Molecular Biosciences, Mahidol University, Salaya, Nakhon Pathom 73170, Thailand
- Correspondence: (D.R.S.); (W.N.); Tel.: +66-53-934597 (W.N.)
| | - Wutigri Nimlamool
- Department of Pharmacology, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand
- Research Center for Development of Local Lanna Rice and Rice Products, Chiang Mai University, Chiang Mai 50200, Thailand
- Correspondence: (D.R.S.); (W.N.); Tel.: +66-53-934597 (W.N.)
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12
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Huang HI, Chio CC, Lin JY, Chou CJ, Lin CC, Chen SH, Yu LS. EV-A71 induced IL-1β production in THP-1 macrophages is dependent on NLRP3, RIG-I, and TLR3. Sci Rep 2022; 12:21425. [PMID: 36503883 PMCID: PMC9741760 DOI: 10.1038/s41598-022-25458-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
Abstract
Enterovirus A71 (EV-A71) is an emerging enterovirus that can cause neurological complications. Enhanced serum IL-1β levels were observed in EV-A71 patients with severe neurological symptoms. However, the roles of sensors in enterovirus-induced IL-1β production are unclear. In this study, we identified that pattern recognition receptors, including RIG-I, TLR3, and TLR8, are implicated in EV-A71-triggered IL-1β release in human macrophages. EV-A71 infection results in caspase-1 and caspase-8, which act as regulators of EV-A71-induced NLRP3 and RIG-I inflammasome activation. Moreover, knockdown of the expression of TLR3 and TLR8 decreased the released IL-1β in an NLRP3-dependent manner. Since TLR3 and TLR8 ligands promote NLRP3 inflammasome activation via caspase-8, the alternative pathway may be involved. In summary, these results indicate that activation of the NLRP3 and RIG-I inflammasomes in EV-A71-infected macrophages is mediated by caspase-1 and caspase-8 and affected by TLRs, including TLR3 and TLR8.
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Affiliation(s)
- Hsing-I Huang
- grid.145695.a0000 0004 1798 0922Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan ,grid.145695.a0000 0004 1798 0922Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan ,grid.145695.a0000 0004 1798 0922Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan ,grid.454211.70000 0004 1756 999XDepartment of Pediatrics, Linkou Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan
| | - Chi-Chong Chio
- grid.145695.a0000 0004 1798 0922Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan ,grid.145695.a0000 0004 1798 0922Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan ,grid.145695.a0000 0004 1798 0922Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Jhao-Yin Lin
- grid.145695.a0000 0004 1798 0922Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan ,grid.145695.a0000 0004 1798 0922Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Chia-Jung Chou
- grid.145695.a0000 0004 1798 0922Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Chia-Chen Lin
- grid.145695.a0000 0004 1798 0922Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Shih-Hsiang Chen
- grid.454211.70000 0004 1756 999XDivision of Pediatric Hematology/Oncology, Linkou Chang Gung Memorial Hospital, Kwei-Shan, Tao-Yuan, Taiwan ,grid.145695.a0000 0004 1798 0922College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
| | - Liang-Sheng Yu
- grid.145695.a0000 0004 1798 0922Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Kwei-Shan, Tao-Yuan, Taiwan
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13
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Latanova A, Starodubova E, Karpov V. Flaviviridae Nonstructural Proteins: The Role in Molecular Mechanisms of Triggering Inflammation. Viruses 2022; 14:v14081808. [PMID: 36016430 PMCID: PMC9414172 DOI: 10.3390/v14081808] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/13/2022] [Accepted: 08/15/2022] [Indexed: 12/24/2022] Open
Abstract
Members of the Flaviviridae family are posing a significant threat to human health worldwide. Many flaviviruses are capable of inducing severe inflammation in humans. Flaviviridae nonstructural proteins, apart from their canonical roles in viral replication, have noncanonical functions strongly affecting antiviral innate immunity. Among these functions, antagonism of type I IFN is the most investigated; meanwhile, more data are accumulated on their role in the other pathways of innate response. This review systematizes the last known data on the role of Flaviviridae nonstructural proteins in molecular mechanisms of triggering inflammation, with an emphasis on their interactions with TLRs and RLRs, interference with NF-κB and cGAS-STING signaling, and activation of inflammasomes.
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14
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Kumar A, Kumar D, Jose J, Giri R, Mysorekar IU. Drugs to limit Zika virus infection and implication for maternal-fetal health. FRONTIERS IN VIROLOGY 2022; 2. [PMID: 37064602 PMCID: PMC10104533 DOI: 10.3389/fviro.2022.928599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Although the placenta has robust defense mechanisms that protect the fetus from a viral infection, some viruses can manipulate or evade these mechanisms and disrupt physiology or cross the placental barrier. It is well established that the Zika virus is capable of vertical transmission from mother to fetus and can cause malformation of the fetal central nervous system (i.e., microcephaly), as well as Guillain-Barre syndrome in adults. This review seeks to gather and assess the contributions of translational research associated with Zika virus infection, including maternal-fetal vertical transmission of the virus. Nearly 200 inhibitors that have been evaluated in vivo and/or in vitro for their therapeutic properties against the Zika virus are summarized in this review. We also review the status of current vaccine candidates. Our main objective is to provide clinically relevant information that can guide future research directions and strategies for optimized treatment and preventive care of infections caused by Zika virus or similar pathogens.
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Affiliation(s)
- Ankur Kumar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX, United States
- School of Basic Sciences, Indian Institute of Technology Mandi, VPO-Kamand, Mandi, India
| | - Deepak Kumar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX, United States
| | - Joyce Jose
- Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, State College, United States
| | - Rajanish Giri
- School of Basic Sciences, Indian Institute of Technology Mandi, VPO-Kamand, Mandi, India
| | - Indira U. Mysorekar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX, United States
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX, United States
- CORRESPONDENCE Indira U. Mysorekar,
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15
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Gao X, Qiu Y, Gao L, Zhang L, Li X, Liu Y, Zhao C. Fucosylated oligosaccharide Lacto-N-fucopentaose I ameliorates enterovirus 71 infection by inhibiting apoptosis. Food Chem X 2022; 13:100244. [PMID: 35499022 PMCID: PMC9040005 DOI: 10.1016/j.fochx.2022.100244] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 01/20/2022] [Accepted: 02/02/2022] [Indexed: 12/08/2022] Open
Abstract
LNFPI reduced capsid protein VP1 to block virus adsorption. LNFPI promoted CDK2 and reduced cyclin E to recover S phase block. LNFPI inhibited cell apoptosis via reduction of Sphingomonas and Stenotrophomonas.
Enterovirus 71 (EV71) is the main cause of hand, foot and mouth disease that results in high rates of severe diseases in small children. Lacto-N-fucopentaose I (LNFPI) can inhibit pathogen invasion and regulate intestinal flora. However, whether LNFPI inhibits EV71 infection remains unknown. In this study, we examined the effect and mechanism of LNFPI against EV71. LNFPI reduced capsid protein VP1 to block virus adsorption, inhibited cyclin E transcription and promoted CDK2 expression in EV71-induced human rhabdomyosarcoma cells, thereby causing virus-induced S phase arrest and inhibiting death receptor and mitochondria-induced apoptosis. The effects of LNFPI on apoptosis were further confirmed in Caenorhabditis elegans. The correlation analysis revealed that LNFPI inhibited cell apoptosis by reducing the abundance of Sphingomonas, Stenotrophomonas and Achromatic, which are associated with pro-apoptotic genes in C. elegans, and by increasing the abundance of Micromonospora, which is related to apoptotic inhibition. These findings lead to further recommendations for LNFPI supplementation in infant formula, as it could offer antiviral benefits to formula-fed infants.
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16
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Nie S, Zhao J, Wu X, Yao Y, Wu F, Lin YL, Li X, Kneubehl AR, Vogt MB, Rico-Hesse R, Song Y. Synthesis, structure-activity relationship and antiviral activity of indole-containing inhibitors of Flavivirus NS2B-NS3 protease. Eur J Med Chem 2021; 225:113767. [PMID: 34450494 DOI: 10.1016/j.ejmech.2021.113767] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 08/06/2021] [Accepted: 08/07/2021] [Indexed: 11/28/2022]
Abstract
Zika virus belongs to the Flavivirus family of RNA viruses, which include other important human pathogens such as dengue and West Nile virus. There are no approved antiviral drugs for these viruses. The highly conserved NS2B-NS3 protease of Flavivirus is essential for the replication of these viruses and it is therefore a drug target. Compound screen followed by medicinal chemistry optimization yielded a novel series of 2,6-disubstituted indole compounds that are potent inhibitors of Zika virus protease (ZVpro) with IC50 values as low as 320 nM. The structure-activity relationships of these and related compounds are discussed. Enzyme kinetics studies show the inhibitor 66 most likely exhibited a non-competitive mode of inhibition. In addition, this series of ZVpro inhibitors also inhibit the NS2B-NS3 protease of dengue and West Nile virus with reduced potencies. The most potent compounds 66 and 67 strongly inhibited Zika virus replication in cells with EC68 values of 1-3 μM. These compounds are novel pharmacological leads for further drug development targeting Zika virus.
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Affiliation(s)
- Shenyou Nie
- Department of Pharmacology and Chemical Biology, USA
| | - Jidong Zhao
- Department of Pharmacology and Chemical Biology, USA
| | - Xiaowei Wu
- Department of Pharmacology and Chemical Biology, USA
| | - Yuan Yao
- Department of Pharmacology and Chemical Biology, USA
| | - Fangrui Wu
- Department of Pharmacology and Chemical Biology, USA
| | - Yi-Lun Lin
- Department of Pharmacology and Chemical Biology, USA
| | - Xin Li
- Department of Pharmacology and Chemical Biology, USA
| | | | - Megan B Vogt
- Department of Molecular Virology and Microbiology, USA; Intragrative Molecular and Biomedical Sciences Graduate Program, Baylor College of Medicine, 1 Baylor Plaza, Houston, TX, 77030, USA
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17
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Pereira SH, Almeida LT, Ferraz AC, Ladeira MDS, Ladeira LO, Magalhães CLDB, Silva BDM. Antioxidant and antiviral activity of fullerol against Zika virus. Acta Trop 2021; 224:106135. [PMID: 34536367 DOI: 10.1016/j.actatropica.2021.106135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 08/05/2021] [Accepted: 09/06/2021] [Indexed: 11/17/2022]
Abstract
Neglected for years, Zika virus (ZIKV) has become one of the most relevant arboviruses in current public health. The recent Zika fever epidemic in the Americas generated a worldwide alert due to the association with diseases such as Guillain-Barré syndrome and congenital syndromes. Among the pathogenesis of ZIKV, recent studies suggest that oxidative stress plays an important role during infection and that compounds capable of modulating oxidative stress are promising as therapeutics. Furthermore, so far there are no specific and efficient antiviral drug or vaccine available against ZIKV. Thus, fullerol was evaluated in the context of infection by ZIKV, since it is a carbon nanomaterial known for its potent antioxidant action. In this study, fullerol did not alter cell viability at the concentrations tested, proving to be inert, beyond to presenting high antioxidant power at low concentrations. ZIKV infection of human glioblastoma increased the production of reactive oxygen species by 60% and modulated the Nrf-2 pathway activity negatively. After treatment with fullerol, both conditions were restored to baseline levels. Additionally, fullerol was able to reduce viral production by up to 90%. Therefore, our results suggest that fullerol as a promising candidate in the control of ZIKV infections, presenting both antioxidant and antiviral action.
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Affiliation(s)
- Samille Henriques Pereira
- Laboratório de Biologia e Tecnologia de Micro-organismos, Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil; Programa de Pós Graduação em Biotecnologia, Universidade Federal de Ouro Preto, Brazil
| | - Letícia Trindade Almeida
- Laboratório de Biologia e Tecnologia de Micro-organismos, Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil; Programa de Pós Graduação em Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil
| | - Ariane Coelho Ferraz
- Laboratório de Biologia e Tecnologia de Micro-organismos, Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil; Programa de Pós Graduação em Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil
| | | | | | - Cíntia Lopes de Brito Magalhães
- Laboratório de Biologia e Tecnologia de Micro-organismos, Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil; Programa de Pós Graduação em Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil
| | - Breno de Mello Silva
- Laboratório de Biologia e Tecnologia de Micro-organismos, Departamento de Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil; Programa de Pós Graduação em Biotecnologia, Universidade Federal de Ouro Preto, Brazil; Programa de Pós Graduação em Ciências Biológicas, Universidade Federal de Ouro Preto, Brazil.
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18
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Filgueiras IS, Torrentes de Carvalho A, Cunha DP, Mathias da Fonseca DL, El Khawanky N, Freire PP, Cabral-Miranda G, Schimke LF, Camara NOS, Ochs HD, Peron JPS, Cabral-Marques O, de Vasconcelos ZFM. The clinical spectrum and immunopathological mechanisms underlying ZIKV-induced neurological manifestations. PLoS Negl Trop Dis 2021; 15:e0009575. [PMID: 34351896 PMCID: PMC8341629 DOI: 10.1371/journal.pntd.0009575] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Since the 2015 to 2016 outbreak in America, Zika virus (ZIKV) infected almost 900,000 patients. This international public health emergency was mainly associated with a significant increase in the number of newborns with congenital microcephaly and abnormal neurologic development, known as congenital Zika syndrome (CZS). Furthermore, Guillain-Barré syndrome (GBS), a neuroimmune disorder of adults, has also been associated with ZIKV infection. Currently, the number of ZIKV-infected patients has decreased, and most of the cases recently reported present as a mild and self-limiting febrile illness. However, based on its natural history of a typical example of reemerging pathogen and the lack of specific therapeutic options against ZIKV infection, new outbreaks can occur worldwide, demanding the attention of researchers and government authorities. Here, we discuss the clinical spectrum and immunopathological mechanisms underlying ZIKV-induced neurological manifestations. Several studies have confirmed the tropism of ZIKV for neural progenitor stem cells by demonstrating the presence of ZIKV in the central nervous system (CNS) during fetal development, eliciting a deleterious inflammatory response that compromises neurogenesis and brain formation. Of note, while the neuropathology of CZS can be due to a direct viral neuropathic effect, adults may develop neuroimmune manifestations such as GBS due to poorly understood mechanisms. Antiganglioside autoantibodies have been detected in multiple patients with ZIKV infection-associated GBS, suggesting a molecular mimicry. However, further additional immunopathological mechanisms remain to be uncovered, paving the way for new therapeutic strategies.
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Affiliation(s)
- Igor Salerno Filgueiras
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Amanda Torrentes de Carvalho
- Department of Immunobiology, Institute of Biology of Federal University of Fluminense, Niterói, Rio de Janeiro, Brazil
| | - Daniela Prado Cunha
- Department of Clinical Research, Instituto Fernandes Figueira, Fiocruz, Rio de Janeiro, Brazil
| | | | - Nadia El Khawanky
- Department of Hematology and Oncology, Faculty of Medicine, the University of Freiburg, Freiburg, Germany
| | - Paula Paccielli Freire
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Gustavo Cabral-Miranda
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Lena F. Schimke
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Niels Olsen Saraiva Camara
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
| | - Hans D. Ochs
- Department of Pediatrics, University of Washington School of Medicine and Seattle Children’s Research Institute, Seattle, Washington, United States of America
| | | | - Otávio Cabral-Marques
- Department of Immunology, Institute of Biomedical Sciences of University of São Paulo, São Paulo, Brazil
- Department of Clinical Analyses and Toxicology, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
- Network of Immunity in Infection, Malignancy, and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), São Paulo, Brazil
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19
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Nodosome Inhibition as a Novel Broad-Spectrum Antiviral Strategy against Arboviruses, Enteroviruses, and SARS-CoV-2. Antimicrob Agents Chemother 2021; 65:e0049121. [PMID: 34001511 DOI: 10.1128/aac.00491-21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
In the present report, we describe two small molecules with broad-spectrum antiviral activity. These drugs block the formation of the nodosome. The studies were prompted by the observation that infection of human fetal brain cells with Zika virus (ZIKV) induces the expression of nucleotide-binding oligomerization domain-containing protein 2 (NOD2), a host factor that was found to promote ZIKV replication and spread. A drug that targets NOD2 was shown to have potent broad-spectrum antiviral activity against other flaviviruses, alphaviruses, enteroviruses, and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease 2019 (COVID-19). Another drug that inhibits receptor-interacting serine/threonine protein kinase 2 (RIPK2), which functions downstream of NOD2, also decreased the replication of these pathogenic RNA viruses. The antiviral effect of this drug was particularly potent against enteroviruses. The broad-spectrum action of nodosome-targeting drugs is mediated in part by the enhancement of the interferon response. Together, these results suggest that further preclinical investigation of nodosome inhibitors as potential broad-spectrum antivirals is warranted.
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20
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Oeyen M, Meyen E, Noppen S, Claes S, Doijen J, Vermeire K, Süssmuth RD, Schols D. Labyrinthopeptin A1 inhibits dengue and Zika virus infection by interfering with the viral phospholipid membrane. Virology 2021; 562:74-86. [PMID: 34274562 DOI: 10.1016/j.virol.2021.07.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/30/2021] [Accepted: 07/03/2021] [Indexed: 11/18/2022]
Abstract
To date, there are no broad-spectrum antivirals available to treat infections with flaviviruses such as dengue (DENV) and Zika virus (ZIKV). In this study, we determine the broad antiviral activity of the lantibiotic Labyrinthopeptin A1. We show that Laby A1 inhibits all DENV serotypes and various ZIKV strains with IC50 around 1 μM. The structurally related Laby A2 also displayed a consistent, but about tenfold lower, antiviral activity. Furthermore, Laby A1 inhibits many viruses from divergent families such as HIV, YFV, RSV and Punta Torovirus. Of interest, Laby A1 does not show activity against non-enveloped viruses. Its antiviral activity is independent of the cell line or the used evaluation method, and can also be observed in MDDC, a physiologically relevant primary cell type. Furthermore, Laby A1 demonstrates low cellular toxicity and has a more favorable SI compared to duramycin, a well-described lantibiotic with broad-spectrum antiviral activity. Time-of-drug addition experiments demonstrate that Laby A1 inhibits infection and entry processes of ZIKV and DENV. We reveal that Laby A1 performs its broad antiviral activity by interacting with a viral factor rather than a cellular factor, and that it has virucidal properties. Finally, using SPR interaction studies we demonstrate that Laby A1 interacts with several phospholipids (i.e. PE and PS) present in the viral envelope. Together with other recent Labyrinthopeptin antiviral publications, this work validates the activity of Laby A1 as broad antiviral entry inhibitor with a unique mechanism of action and demonstrates its potential value as antiviral agent against emerging flaviviruses.
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Affiliation(s)
- Merel Oeyen
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium
| | - Eef Meyen
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium
| | - Sam Noppen
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium
| | - Sandra Claes
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium
| | - Jordi Doijen
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium
| | - Kurt Vermeire
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium
| | - Roderich D Süssmuth
- Technische Universität Berlin, Institut für Chemie, Strasse des 17. Juni 124/TC 2, D-10623 Berlin, Germany
| | - Dominique Schols
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, Herestraat 49, 3000 Leuven, Belgium.
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21
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Yuan L, Zhu Y, Huang S, Lin L, Jiang X, Chen S. NF-κB/ROS and ERK pathways regulate NLRP3 inflammasome activation in Listeria monocytogenes infected BV2 microglia cells. J Microbiol 2021; 59:771-781. [PMID: 34061343 DOI: 10.1007/s12275-021-0692-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 04/12/2021] [Accepted: 05/10/2021] [Indexed: 02/02/2023]
Abstract
Listeria monocytogenes is a food-borne pathogen responsible for neurolisteriosis, which is potentially lethal in immunocompromised individuals. Microglia are the main target cells for L. monocytogenes in central nervous system (CNS). However, the precise mechanisms by which they trigger neuroinflammatory processes remain unknown. The BV2 microglial cell line and a murine model of L. monocytogenes infection were used for experiments in this study. Listeria monocytogenes induced pyroptosis and nucleotide binding and oligomerization, leucine-rich repeat, pyrin domain-containing 3 (NLRP3) inflammasome activation in BV2. Pharmacological inhibition of the NLRP3 inflammasome attenuated L. monocytogenes-induced pyroptosis. Moreover, inhibition of nuclear factor kappa-B (NF-κB) and extracellular regulated protein kinases (ERK) pathways induced a decrease in caspase1 activation and mature IL-1β-17 secretion. Our collective findings support critical involvement of the NLRP3 inflammasome in L. monocytogenes-induced neuroinflammation and, to an extent, ROS production. In addition, ERK and NF-κB signaling play an important role in activation of the NLRP3 inflammasome, both in vitro and in vivo.
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Affiliation(s)
- Lin Yuan
- School of Medicine, Jiangsu University, Zhenjiang, 212013, P. R. China.,Department of Clinical Laboratory, Northern Jiangsu People's Hospital, Yangzhou, 225001, P. R. China
| | - Yurong Zhu
- School of Medicine, Jiangsu University, Zhenjiang, 212013, P. R. China.,Department of Microbiology Laboratory, Linfen Central Hospital, Linfen, 041000, P. R. China
| | - Shuang Huang
- School of Medicine, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Lin Lin
- School of Medicine, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Xugan Jiang
- School of Medicine, Jiangsu University, Zhenjiang, 212013, P. R. China
| | - Shengxia Chen
- School of Medicine, Jiangsu University, Zhenjiang, 212013, P. R. China.
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22
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Nie S, Yao Y, Wu F, Wu X, Zhao J, Hua Y, Wu J, Huo T, Lin YL, Kneubehl AR, Vogt MB, Ferreon J, Rico-Hesse R, Song Y. Synthesis, Structure-Activity Relationships, and Antiviral Activity of Allosteric Inhibitors of Flavivirus NS2B-NS3 Protease. J Med Chem 2021; 64:2777-2800. [PMID: 33596380 DOI: 10.1021/acs.jmedchem.0c02070] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Flaviviruses, including Zika, dengue, and West Nile viruses, are important human pathogens. The highly conserved NS2B-NS3 protease of Flavivirus is essential for viral replication and therefore a promising drug target. Through compound screening, followed by medicinal chemistry studies, a novel series of 2,5,6-trisubstituted pyrazine compounds are found to be potent, allosteric inhibitors of Zika virus protease (ZVpro) with IC50 values as low as 130 nM. Their structure-activity relationships are discussed. The ZVpro inhibitors also inhibit homologous proteases of dengue and West Nile viruses, and their inhibitory activities are correlated. The most potent compounds 47 and 103 potently inhibited Zika virus replication in cells with EC68 values of 300-600 nM and in a mouse model of Zika infection. These compounds represent novel pharmacological leads for drug development against Flavivirus infections.
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Affiliation(s)
- Shenyou Nie
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Yuan Yao
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Fangrui Wu
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Xiaowei Wu
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Jidong Zhao
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Yuanda Hua
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Jingyu Wu
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Tong Huo
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Yi-Lun Lin
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Alexander R Kneubehl
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Megan B Vogt
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States.,Intragrative Molecular and Biomedical Sciences Graduate Program, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Josephine Ferreon
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Rebecca Rico-Hesse
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
| | - Yongcheng Song
- Department of Pharmacology and Chemical Biology, Baylor College of Medicine, 1 Baylor Plaza, Houston, Texas 77030, United States
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23
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Yamaoka Y, Matsunaga S, Jeremiah SS, Nishi M, Miyakawa K, Morita T, Khatun H, Shimizu H, Okabe N, Kimura H, Hasegawa H, Ryo A. Zika virus protease induces caspase-independent pyroptotic cell death by directly cleaving gasdermin D. Biochem Biophys Res Commun 2020; 534:666-671. [PMID: 33208231 DOI: 10.1016/j.bbrc.2020.11.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 11/07/2020] [Indexed: 12/27/2022]
Abstract
The association of Zika virus (ZIKV) infection with a congenital malformation in fetuses, neurological, and other systemic complications in adults have brought significant global health emergency. ZIKV targets nerve cells in the brain and causes cell death, such as pyroptosis, leading to neuroinflammation. Here we described a novel mechanism of pyroptosis caused by ZIKV protease. We found that ZIKV protease directly cleaved the GSDMD into N-terminal fragment (1-249) leading to pyroptosis in a caspase-independent manner, suggesting a direct mechanism of ZIKV-induced cell death and subsequent inflammation. Our findings might shed new light to explore the pathogenesis of ZIKV infections where ZIKV protease might be a suitable target for the development of antiviral agents.
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Affiliation(s)
- Yutaro Yamaoka
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan; Life Science Laboratory, Technology and Development Division, Kanto Chemical Co., Inc., Kanagawa, 259-1146, Japan
| | - Satoko Matsunaga
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan
| | - Sundararaj S Jeremiah
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan
| | - Mayuko Nishi
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan
| | - Kei Miyakawa
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan
| | - Takeshi Morita
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan
| | - Hajera Khatun
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan
| | - Hideaki Shimizu
- Division of Virology, Kawasaki City Institute for Public Health, Kanagawa, 210-0821, Japan
| | - Nobuhiko Okabe
- Division of Virology, Kawasaki City Institute for Public Health, Kanagawa, 210-0821, Japan
| | - Hirokazu Kimura
- Department of Health Science, Gunma Paz University Graduate School, Gunma, 370-0006, Japan
| | - Hideki Hasegawa
- Influenza Research Center, National Institute of Infectious Diseases, Tokyo, 208-0011, Japan
| | - Akihide Ryo
- Department of Microbiology, Yokohama City University School of Medicine, Kanagawa, 236-0004, Japan.
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24
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de Rivero Vaccari JC, Dietrich WD, Keane RW, de Rivero Vaccari JP. The Inflammasome in Times of COVID-19. Front Immunol 2020; 11:583373. [PMID: 33149733 PMCID: PMC7580384 DOI: 10.3389/fimmu.2020.583373] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022] Open
Abstract
Coronaviruses (CoVs) are members of the genus Betacoronavirus and the Coronaviridiae family responsible for infections such as severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), and more recently, coronavirus disease-2019 (COVID-19). CoV infections present mainly as respiratory infections that lead to acute respiratory distress syndrome (ARDS). However, CoVs, such as COVID-19, also present as a hyperactivation of the inflammatory response that results in increased production of inflammatory cytokines such as interleukin (IL)-1β and its downstream molecule IL-6. The inflammasome is a multiprotein complex involved in the activation of caspase-1 that leads to the activation of IL-1β in a variety of diseases and infections such as CoV infection and in different tissues such as lungs, brain, intestines and kidneys, all of which have been shown to be affected in COVID-19 patients. Here we review the literature regarding the mechanism of inflammasome activation by CoV infection, the role of the inflammasome in ARDS, ventilator-induced lung injury (VILI), and Disseminated Intravascular Coagulation (DIC) as well as the potential mechanism by which the inflammasome may contribute to the damaging effects of inflammation in the cardiac, renal, digestive, and nervous systems in COVID-19 patients.
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Affiliation(s)
| | - W Dalton Dietrich
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Robert W Keane
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States.,Department of Physiology and Biophysics, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Juan Pablo de Rivero Vaccari
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States.,Center for Cognitive Neuroscience and Aging University of Miami Miller School of Medicine, Miami, FL, United States
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25
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Rodrigues de Sousa J, Azevedo RDSDS, Quaresma JAS, Vasconcelos PFDC. The innate immune response in Zika virus infection. Rev Med Virol 2020; 31:e2166. [PMID: 32926478 DOI: 10.1002/rmv.2166] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/20/2020] [Accepted: 08/22/2020] [Indexed: 11/06/2022]
Abstract
Zika virus (ZIKV; Flaviviridae, Flavivirus) was discovered in 1947 in Uganda, Africa, from the serum of a sentinel Rhesus monkey (Macaca mulatta). It is an enveloped, positive-sense, single-stranded RNA virus, which encodes a single polyprotein that is cleaved into 10 individual proteins. In 2015, the Zika-epidemic in Brazil was marked mainly by the exponential growth of microcephaly cases and other congenital defects. With regard to host-pathogen relationships, understanding the role of the immune response in the pathogenesis ZIKV infection is challenging. The innate immune response is the first-line immunological defence, in which pathogen-associated molecular patterns are recognized by pattern-recognition receptors that trigger macrophages, dendritic cells, natural killer cells and endothelial cells to produce several mediators, which modulate viral replication and immune evasion. In this review, we have summarized current knowledge on the innate immune response against ZIKV.
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Affiliation(s)
- Jorge Rodrigues de Sousa
- Departamento de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ananindeua, Brazil.,Universidade do Estado do Pará, Belém, Brazil
| | | | - Juarez Antônio Simões Quaresma
- Universidade do Estado do Pará, Belém, Brazil.,Departamento de Patologia, Instituto Evandro Chagas, Ananindeua, Brazil.,Núcleo de Medicina Tropical, Universidade Federal do Pará, Belém, Brazil
| | - Pedro Fernando da Costa Vasconcelos
- Departamento de Arbovirologia e Febres Hemorrágicas, Instituto Evandro Chagas, Ananindeua, Brazil.,Universidade do Estado do Pará, Belém, Brazil
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26
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Cirne-Santos CC, de Souza Barros C, de Oliveira MC, Rabelo VWH, Azevedo RC, Teixeira VL, Ferreira DF, de Palmer Paixão ICN. In vitro Studies on The Inhibition of Replication of Zika and Chikungunya Viruses by Dolastane Isolated from Seaweed Canistrocarpus cervicornis. Sci Rep 2020; 10:8263. [PMID: 32427940 PMCID: PMC7237426 DOI: 10.1038/s41598-020-65357-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 04/15/2020] [Indexed: 11/17/2022] Open
Abstract
The lack of vaccines and antiviral treatment, along with the increasing number of cases of Zika virus (ZIKV) and Chikungunya virus (CHIKV) infections, emphasize the need for searching for new therapeutic strategies. In this context, the marine brown seaweed Canistrocarpus cervicornis has been proved to hold great antiviral potential. Hence, the aim of this work was to evaluate the anti-ZIKV and anti-CHIKV activity of a marine dolastane isolated from brown seaweed C. cervicornis and its crude extract. Vero cells were used in antiviral assays, submitted to ZIKV and CHIKV, and treated with different concentrations of C. cervicornis extract or dolastane. The crude extract of C. cervicornis showed inhibitory activities for both ZIKV and CHIKV, with EC50 values of 3.3 μg/mL and 3.1 μg/mL, respectively. However, the isolated dolastane showed a more significant and promising inhibitory effect (EC50 = 0.95 µM for ZIKV and 1.3 µM for CHIKV) when compared to both the crude extract and ribavirin, which was used as control. Also, the dolastane showed a very potent virucidal activity against CHIKV and was able to inhibit around 90% of the virus infectivity at 10 μM. For the ZIKV, the effects were somewhat lower, although interesting, at approximately 64% in this same concentration. Further, we observed that both the extract and the dolastane were able to inhibit the replication of ZIKV and CHIKV at different times of addition post-infection, remaining efficient even if added after 8 hours post-infection, but declining soon after. A synergistic effect using sub-doses of the extract and isolates was associated with ribavirin, inhibiting above 80% replication even at the lowest concentrations. Therefore, this work has unveiled the anti-ZIKV and CHIKV potential of C. cervicornis crude extract and an isolated dolastane, which, in turn, can be used as a preventive or therapeutic strategy in the future.
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Affiliation(s)
- Claudio Cesar Cirne-Santos
- Laboratório de Virologia Molecular e Biotecnologia Marinha, Programa de Pós-graduação em Ciências e Biotecnologia, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil.
| | - Caroline de Souza Barros
- Laboratório de Virologia Molecular e Biotecnologia Marinha, Programa de Pós-graduação em Ciências e Biotecnologia, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
- Laboratório Produtos Naturais de Algas Marinhas (ALGAMAR), Departamento de Biologia Marinha, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
| | - Mariana Cavalcante de Oliveira
- Laboratório de Virologia Molecular e Biotecnologia Marinha, Programa de Pós-graduação em Ciências e Biotecnologia, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
| | - Vitor Won-Held Rabelo
- Laboratório de Virologia Molecular e Biotecnologia Marinha, Programa de Pós-graduação em Ciências e Biotecnologia, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
| | - Renata Campos Azevedo
- Instituto de Microbiologia, Departamento de Virologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Valeria Laneuville Teixeira
- Laboratório Produtos Naturais de Algas Marinhas (ALGAMAR), Departamento de Biologia Marinha, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil
- Laboratório de Biologia e Taxonomia de Algas (LABIOTAL), Programa de Pós-graduação em Biodiversidade Neotropical, Instituto de Biociencias, universidade Federal do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - Davis Fernandes Ferreira
- Instituto de Microbiologia, Departamento de Virologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Izabel Christina Nunes de Palmer Paixão
- Laboratório de Virologia Molecular e Biotecnologia Marinha, Programa de Pós-graduação em Ciências e Biotecnologia, Departamento de Biologia Celular e Molecular, Instituto de Biologia, Universidade Federal Fluminense, Niterói, Brazil.
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27
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Human Type I Interferon Antiviral Effects in Respiratory and Reemerging Viral Infections. J Immunol Res 2020; 2020:1372494. [PMID: 32455136 PMCID: PMC7231083 DOI: 10.1155/2020/1372494] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 02/17/2020] [Accepted: 04/02/2020] [Indexed: 12/13/2022] Open
Abstract
Type I interferons (IFN-I) are a group of related proteins that help regulate the activity of the immune system and play a key role in host defense against viral infections. Upon infection, the IFN-I are rapidly secreted and induce a wide range of effects that not only act upon innate immune cells but also modulate the adaptive immune system. While IFN-I and many IFN stimulated genes are well-known for their protective antiviral role, recent studies have associated them with potential pathogenic functions. In this review, we summarize the current knowledge regarding the complex effects of human IFN-I responses in respiratory as well as reemerging flavivirus infections of public health significance and the molecular mechanisms by which viral proteins antagonize the establishment of an antiviral host defense. Antiviral effects and immune modulation of IFN-stimulated genes is discussed in resisting and controlling pathogens. Understanding the mechanisms of these processes will be crucial in determining how viral replication can be effectively controlled and in developing safe and effective vaccines and novel therapeutic strategies.
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28
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Gim E, Shim DW, Hwang I, Shin OS, Yu JW. Zika Virus Impairs Host NLRP3-mediated Inflammasome Activation in an NS3-dependent Manner. Immune Netw 2019; 19:e40. [PMID: 31921470 PMCID: PMC6943171 DOI: 10.4110/in.2019.19.e40] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/11/2019] [Accepted: 12/13/2019] [Indexed: 12/25/2022] Open
Abstract
Zika virus (ZIKV) is a mosquito-borne flavivirus associated with severe neurological disorders including Guillain-Barré syndrome and microcephaly. The host innate immune responses against ZIKV infection are essential for protection; however, ZIKV has evolved strategies to evade and antagonize antiviral responses via its nonstructural (NS) proteins. Here, we demonstrated that ZIKV infection unexpectedly inhibits NLRP3-dependent inflammasome activation in bone marrow-derived macrophages and mixed glial cells from mouse brain. ZIKV infection led to increased transcript levels of proinflammatory cytokines such as IL-1β and IL-6 via activating NF-κB signaling. However, ZIKV infection failed to trigger the secretion of active caspase-1 and IL-1β from macrophages and glial cells even in the presence of LPS priming or ATP costimulation. Intriguingly, ZIKV infection significantly attenuated NLRP3-dependent, but not absent in melanoma 2-dependent caspase-1 activation and IL-1β secretion from both cells. ZIKV infection further blocked apoptosis-associated speck-like protein containing a caspase recruitment domain oligomerization in LPS/ATP-stimulated macrophages. Interestingly, expression of ZIKV NS3 protein reduced NLRP3-mediated caspase-1 activation and IL-1β secretion in macrophages, whereas NS1 and NS5 proteins showed no effects. Furthermore, NLRP3 was found to be degraded by the overexpression of ZIKV NS3 in 293T cells. Collectively, these results indicate that ZIKV evades host NLRP3 inflammasome-mediated innate immune responses in macrophages and glial cells; this may facilitate ZIKV's ability to enhance the replication and dissemination in these cells.
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Affiliation(s)
- Eunji Gim
- Department of Microbiology and Immunology, Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Do-Wan Shim
- Department of Microbiology and Immunology, Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Inhwa Hwang
- Department of Microbiology and Immunology, Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Ok Sarah Shin
- Department of Biomedical Sciences, College of Medicine, Korea University Guro Hospital, Seoul 08308, Korea
| | - Je-Wook Yu
- Department of Microbiology and Immunology, Institute for Immunology and Immunological Diseases, Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul 03722, Korea
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29
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Fiery Cell Death: Pyroptosis in the Central Nervous System. Trends Neurosci 2019; 43:55-73. [PMID: 31843293 DOI: 10.1016/j.tins.2019.11.005] [Citation(s) in RCA: 198] [Impact Index Per Article: 39.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 11/01/2019] [Accepted: 11/13/2019] [Indexed: 12/14/2022]
Abstract
Pyroptosis ('fiery death') is an inflammatory type of regulated cell death (RCD), which occurs downstream of inflammasome activation. Pyroptosis is mediated directly by the recently identified family of pore-forming proteins known as gasdermins, the best characterized of which is gasdermin D (GSDMD). Recent investigations implicate pyroptosis in the pathogenesis of multiple neurological diseases. In this review, we discuss molecular mechanisms that drive pyroptosis, evidence for pyroptosis within the CNS, and emerging therapeutic strategies for its inhibition in the context of neurological disease.
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30
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Valdés López JF, Velilla PA, Urcuqui-Inchima S. Chikungunya Virus and Zika Virus, Two Different Viruses Examined with a Common Aim: Role of Pattern Recognition Receptors on the Inflammatory Response. J Interferon Cytokine Res 2019; 39:507-521. [DOI: 10.1089/jir.2019.0058] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
| | - Paula Andrea Velilla
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Silvio Urcuqui-Inchima
- Grupo Inmunovirología, Facultad de Medicina, Universidad de Antioquia UdeA, Medellín, Colombia
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31
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Abstract
The mammalian CNS is an intricate and fragile structure, which on one hand is open to change in order to store information, but on the other hand is vulnerable to damage from injury, pathogen invasion or neurodegeneration. During senescence and neurodegeneration, activation of the innate immune system can occur. Inflammasomes are signalling complexes that regulate cells of the immune system, which in the brain mainly includes microglial cells. In microglia, the NLRP3 (NOD-, LRR- and pyrin domain-containing 3) inflammasome becomes activated when these cells sense proteins such as misfolded or aggregated amyloid-β, α-synuclein and prion protein or superoxide dismutase, ATP and members of the complement pathway. Several other inflammasomes have been described in microglia and the other cells of the brain, including astrocytes and neurons, where their activation and subsequent caspase 1 cleavage contribute to disease development and progression.
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32
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Zika virus NS5 protein inhibits cell growth and invasion of glioma. Biochem Biophys Res Commun 2019; 516:515-520. [PMID: 31230744 DOI: 10.1016/j.bbrc.2019.06.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 06/13/2019] [Indexed: 02/05/2023]
Abstract
Glioma is the most common primary brain tumor with high mortality. Given the poor outcomes with standard-of-care treatments, novel treatment strategies are needed. Oncolytic viral therapy for glioma has developed as an exciting therapeutic method in recent years. Zika virus, a member of flavivirus family, has oncolytic activity against glioma cells but the mechanism is unknown. Here, we aimed to determine which viral protein might play a critical role in mitigating glioma cell growth. We examined the tumor suppressor function of four nonstructural proteins NS1, NS3, NS4B and NS5 in human glioma cell line U87. As a result, we found that only NS5 significantly inhibited proliferation, migration and invasion of U87 cells. Moreover, expression of NS5 suppressed tumorigenicity of mouse GL261 glioma cell in vivo. Our findings provide some clues for further exploration of oncolytic Zika virus in the treatment of glioma.
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33
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Xu D, Li C, Qin CF, Xu Z. Update on the Animal Models and Underlying Mechanisms for ZIKV-Induced Microcephaly. Annu Rev Virol 2019; 6:459-479. [PMID: 31206355 DOI: 10.1146/annurev-virology-092818-015740] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The circulation of Zika virus (ZIKV) in nearly 80 countries and territories poses a significant global threat to public health. ZIKV is causally linked to severe developmental defects in the brain, recognized as congenital Zika syndrome (CZS), which includes microcephaly and other serious congenital neurological complications. Since the World Health Organization declared the ZIKV outbreak a public health emergency of international concern, remarkable progress has been made in the generation of different ZIKV infection animal models to gain insight into cellular targets and pathogenesis and to explore the associated underlying mechanisms. Here we focus on summarizing our current understanding of the effects of ZIKV on mammalian brain development in different developmental stages and discuss the potential underlying mechanisms of ZIKV-induced CZS, as well as future perspectives.
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Affiliation(s)
- Dan Xu
- College of Biological Science and Engineering, Institute of Life Sciences, Fuzhou University, Fuzhou 350108, China;
| | - Cui Li
- State Key Laboratory of Molecular Developmental Biology, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China;
| | - Cheng-Feng Qin
- Department of Virology, State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China;
| | - Zhiheng Xu
- State Key Laboratory of Molecular Developmental Biology, CAS Center for Excellence in Brain Science and Intelligence Technology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China; .,Parkinson's Disease Center, Beijing Institute for Brain Disorders, Beijing 100069, China
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34
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Yao Y, Huo T, Lin YL, Nie S, Wu F, Hua Y, Wu J, Kneubehl AR, Vogt MB, Rico-Hesse R, Song Y. Discovery, X-ray Crystallography and Antiviral Activity of Allosteric Inhibitors of Flavivirus NS2B-NS3 Protease. J Am Chem Soc 2019; 141:6832-6836. [PMID: 31017399 DOI: 10.1021/jacs.9b02505] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Flaviviruses, including dengue, West Nile and recently emerged Zika virus, are important human pathogens, but there are no drugs to prevent or treat these viral infections. The highly conserved Flavivirus NS2B-NS3 protease is essential for viral replication and therefore a drug target. Compound screening followed by medicinal chemistry yielded a series of drug-like, broadly active inhibitors of Flavivirus proteases with IC50 as low as 120 nM. The inhibitor exhibited significant antiviral activities in cells (EC68: 300-600 nM) and in a mouse model of Zika virus infection. X-ray studies reveal that the inhibitors bind to an allosteric, mostly hydrophobic pocket of dengue NS3 and hold the protease in an open, catalytically inactive conformation. The inhibitors and their binding structures would be useful for rational drug development targeting Zika, dengue and other Flaviviruses.
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Lei J, Vermillion MS, Jia B, Xie H, Xie L, McLane MW, Sheffield JS, Pekosz A, Brown A, Klein SL, Burd I. IL-1 receptor antagonist therapy mitigates placental dysfunction and perinatal injury following Zika virus infection. JCI Insight 2019; 4:122678. [PMID: 30944243 DOI: 10.1172/jci.insight.122678] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 02/14/2019] [Indexed: 12/25/2022] Open
Abstract
Zika virus (ZIKV) infection during pregnancy causes significant adverse sequelae in the developing fetus, and results in long-term structural and neurologic defects. Most preventive and therapeutic efforts have focused on the development of vaccines, antivirals, and antibodies. The placental immunologic response to ZIKV, however, has been largely overlooked as a target for therapeutic intervention. The placental inflammatory response, specifically IL-1β secretion and signaling, is induced by ZIKV infection and represents an environmental factor that is known to increase the risk of perinatal developmental abnormalities. We show in a mouse model that maternally administrated IL-1 receptor antagonist (IRA; Kineret, or anakinra), following ZIKV exposure, can preserve placental function (by improving trophoblast invasion and placental vasculature), increase fetal viability, and reduce neurobehavioral deficits in the offspring. We further demonstrate that while ZIKV RNA is highly detectable in placentas, it is not correlated with fetal viability. Beyond its effects in the placenta, we show that IL-1 blockade may also directly decrease fetal neuroinflammation by mitigating fetal microglial activation in a dose-dependent manner. Our studies distinguish the role of placental inflammation during ZIKV-infected pregnancies, and demonstrate that maternal IRA may attenuate fetal neuroinflammation and improve perinatal outcomes.
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Affiliation(s)
- Jun Lei
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Meghan S Vermillion
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.,Department of Molecular and Comparative Pathobiology
| | - Bei Jia
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Han Xie
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Li Xie
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Michael W McLane
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Jeanne S Sheffield
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Andrew Pekosz
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Amanda Brown
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Sabra L Klein
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.,Department of Biochemistry and Molecular Biology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Irina Burd
- Integrated Research Center for Fetal Medicine, Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Pena LJ, Miranda Guarines K, Duarte Silva AJ, Sales Leal LR, Mendes Félix D, Silva A, de Oliveira SA, Junqueira Ayres CF, Júnior AS, de Freitas AC. In vitro and in vivo models for studying Zika virus biology. J Gen Virol 2018; 99:1529-1550. [DOI: 10.1099/jgv.0.001153] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Lindomar José Pena
- 1Department of Virology, Aggeu Magalhaes Institute (IAM), Oswaldo Cruz Foundation (Fiocruz), Recife, Pernambuco, Brazil
| | - Klarissa Miranda Guarines
- 1Department of Virology, Aggeu Magalhaes Institute (IAM), Oswaldo Cruz Foundation (Fiocruz), Recife, Pernambuco, Brazil
| | - Anna Jéssica Duarte Silva
- 2Department of Genetics, Laboratory of Molecular Studies and Experimental Therapy (LEMTE), Center of Biological Sciences, Federal University of Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Lígia Rosa Sales Leal
- 2Department of Genetics, Laboratory of Molecular Studies and Experimental Therapy (LEMTE), Center of Biological Sciences, Federal University of Pernambuco (UFPE), Recife, Pernambuco, Brazil
| | - Daniele Mendes Félix
- 1Department of Virology, Aggeu Magalhaes Institute (IAM), Oswaldo Cruz Foundation (Fiocruz), Recife, Pernambuco, Brazil
| | - Adalúcia Silva
- 1Department of Virology, Aggeu Magalhaes Institute (IAM), Oswaldo Cruz Foundation (Fiocruz), Recife, Pernambuco, Brazil
| | - Sheilla Andrade de Oliveira
- 3Department of Immunology, Aggeu Magalhaes Institute (IAM), Oswaldo Cruz Foundation (Fiocruz), Recife, Pernambuco, Brazil
| | | | - Abelardo Silva Júnior
- 5Department of Veterinary Medicine, Federal University of Viçosa (UFV), Viçosa, Minas Gerais, Brazil
| | - Antonio Carlos de Freitas
- 2Department of Genetics, Laboratory of Molecular Studies and Experimental Therapy (LEMTE), Center of Biological Sciences, Federal University of Pernambuco (UFPE), Recife, Pernambuco, Brazil
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Chen XX, Guo Z, Jin Q, Qiao S, Li R, Li X, Deng R, Feng WH, Zhang GP. Porcine reproductive and respiratory syndrome virus induces interleukin-1β through MyD88/ERK/AP-1 and NLRP3 inflammasome in microglia. Vet Microbiol 2018; 227:82-89. [PMID: 30473357 DOI: 10.1016/j.vetmic.2018.10.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/26/2018] [Accepted: 10/28/2018] [Indexed: 12/28/2022]
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) infection which caused severe reproductive failure and respiratory disorders in swine is accompanied with severe nervous symptoms. Our previous studies demonstrated that microglia, the resident innate immune cells in central nervous system (CNS), could support PRRSV infection and replication in vitro. And PRRSV infection led to the increased expressions of large amounts of proinflammatory cytokines and chemokines which contributed to neuropathogenesis of PRRSV. Interleukin-1β (IL-1β) is one of the increased proinflammatory cytokines, which possesses diverse functions in immune response upon virus infection, including activation of innate immune and modulation of adaptive immune responses. Importantly, considerable evidences indicated that 1L-1β is involved in neuronal injury. Here, we demonstrated that PRRSV infection up-regulated IL-1β expression at both the mRNA and protein levels in microglia in a dose-dependent manner. Myeloid differentiation primary response gene 88 (MyD88), extracellular signal-regulated kinase1/2 (ERK) and activator protein 1 (AP-1) were involved in PRRSV induced IL-1β production in microglia. Moreover, NOD-like receptor protein 3 (NLRP3) inflammasome is activated by PRRSV in microglia, which is required for IL-1β secretion. Taken together, our data indicated that PRRSV infection could induce IL-1β up-regulation, which was likely mediated by MyD88/ERK/AP-1 and NLRP3 inflammasome. These findings will provide new insights into the molecular mechanisms of IL-1β production and some implications for neuropathogenesis of PRRSV.
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Affiliation(s)
- Xin-Xin Chen
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Zhenhua Guo
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Qianyue Jin
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Songlin Qiao
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Rui Li
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Xuewu Li
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Ruiguang Deng
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Wen-Hai Feng
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Gai-Ping Zhang
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China.
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Cytosolic Recognition of Microbes and Pathogens: Inflammasomes in Action. Microbiol Mol Biol Rev 2018; 82:82/4/e00015-18. [PMID: 30209070 DOI: 10.1128/mmbr.00015-18] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Infection is a dynamic biological process underpinned by a complex interplay between the pathogen and the host. Microbes from all domains of life, including bacteria, viruses, fungi, and protozoan parasites, have the capacity to cause infection. Infection is sensed by the host, which often leads to activation of the inflammasome, a cytosolic macromolecular signaling platform that mediates the release of the proinflammatory cytokines interleukin-1β (IL-1β) and IL-18 and cleavage of the pore-forming protein gasdermin D, leading to pyroptosis. Host-mediated sensing of the infection occurs when pathogens inject or carry pathogen-associated molecular patterns (PAMPs) into the cytoplasm or induce damage that causes cytosolic liberation of danger-associated molecular patterns (DAMPs) in the host cell. Recognition of PAMPs and DAMPs by inflammasome sensors, including NLRP1, NLRP3, NLRC4, NAIP, AIM2, and Pyrin, initiates a cascade of events that culminate in inflammation and cell death. However, pathogens can deploy virulence factors capable of minimizing or evading host detection. This review presents a comprehensive overview of the mechanisms of microbe-induced activation of the inflammasome and the functional consequences of inflammasome activation in infectious diseases. We also explore the microbial strategies used in the evasion of inflammasome sensing at the host-microbe interaction interface.
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de Sousa JR, Azevedo RDSDS, Martins Filho AJ, de Araujo MTF, Cruz EDRM, Vasconcelos BCB, Cruz ACR, de Oliveira CS, Martins LC, Vasconcelos BHB, Casseb LMN, Chiang JO, Quaresma JAS, Vasconcelos PFDC. In situ inflammasome activation results in severe damage to the central nervous system in fatal Zika virus microcephaly cases. Cytokine 2018; 111:255-264. [PMID: 30199767 DOI: 10.1016/j.cyto.2018.08.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 08/07/2018] [Accepted: 08/08/2018] [Indexed: 12/11/2022]
Abstract
Zika virus (ZIKV) has caused substantial concern worldwide owing to its association with severe birth defects, such as microcephaly and other congenital malformations. Inflammasomes, i.e., multi-protein complexes that induce inflammation and pyroptosis, are predicted to contribute to the immune response to this flavivirus. Accordingly, in this study, the in situ inflammasome response was evaluated in fatal cases of ZIKV-linked microcephaly. Brain tissue samples were collected from eight babies, including four ZIKV-positive microcephalic neonates who died after birth and four flavivirus-negative neonatal controls who died of other causes and whose central nervous system (CNS) architecture was preserved. In the ZIKV-positive newborn/stillbirth babies, the major histopathological alterations included atrophy of the cortical layer, a predominance of mononuclear cell infiltration in the Virchow-Robin space, neuronal necrosis, vacuolization and neuronal degeneration, neuronophagy, and gliosis. An immunohistochemical analysis of tissues in the neural parenchyma showed significantly higher expression of the receptors NLRP1, NLRP3, and AIM2, cytokines IL-1β, IL-18, and IL-33, and enzymes caspase 1, iNOS, and arginase 1 in ZIKV-positive microcephaly cases than in flavivirus-negative controls. These results suggest that inflammasome activation can aggravate the neuroinflammatory response and consequently increase CNS damage in neonates with fetal neural ZIKV infection and microcephaly.
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Affiliation(s)
- Jorge Rodrigues de Sousa
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil
| | | | | | | | | | | | - Ana Cecilia Ribeiro Cruz
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil; Center of Biological and Health Sciences, State University of Pará, Belém, Brazil
| | - Consuelo Silva de Oliveira
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil
| | - Livia Caricio Martins
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil
| | | | - Livia Medeiros Neves Casseb
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil
| | - Jannifer Oliveira Chiang
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil
| | - Juarez Antonio Simões Quaresma
- Department of Pathology, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil; Center of Biological and Health Sciences, State University of Pará, Belém, Brazil; Tropical Medicine Center, Federal University of Pará, Belém, Brazil
| | - Pedro Fernando da Costa Vasconcelos
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Pará State, Brazil; Center of Biological and Health Sciences, State University of Pará, Belém, Brazil.
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40
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de Sousa JR, Azevedo RSS, Martins Filho AJ, Araujo MTF, Moutinho ERC, Baldez Vasconcelos BC, Cruz ACR, Oliveira CS, Martins LC, Baldez Vasconcelos BH, Casseb LMN, Chiang JO, Quaresma JAS, Vasconcelos PFC. Correlation between Apoptosis and in Situ Immune Response in Fatal Cases of Microcephaly Caused by Zika Virus. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:2644-2652. [PMID: 30121258 DOI: 10.1016/j.ajpath.2018.07.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 07/12/2018] [Accepted: 07/16/2018] [Indexed: 12/27/2022]
Abstract
Zika virus (ZIKV) is a single-stranded positive-sense RNA flavivirus that possesses a genome approximately 10.7 Kb in length. Although pro-inflammatory and anti-inflammatory cytokines and apoptotic markers belonging to the extrinsic and intrinsic pathways are suggested to be involved in fatal cases of ZIKV-induced microcephaly, their exact roles and associations are unclear. To address this, brain tissue samples were collected from 10 individuals, five of whom were diagnosed as ZIKV positive with microcephaly and a further five were flavivirus-negative controls that died because of other causes. Examination of material from the fatal cases of microcephaly revealed lesions in the cerebral cortex, edema, vascular proliferation, neuronal necrosis, gliosis, neuronophagy, calcifications, apoptosis, and neuron loss. The expression of various apoptosis markers in the neural parenchyma, including FasL, FAS, BAX, BCL2, and caspase 3 differed between ZIKV-positive cases and controls. Further investigation of type 1 and 2 helper T-cell cytokines confirmed a greater anti-inflammatory response in fatal ZIKV-associated microcephaly cases. Finally, an analysis of the linear correlation between tumor necrosis factor-α, IL-1β, IL-4, IL-10, transforming growth factor-β, and IL-33 expression and various apoptotic markers suggested that the immune response may be associated with the apoptotic phenomenon observed in ZIKV-induced microcephaly.
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Affiliation(s)
- Jorge R de Sousa
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - Raimunda S S Azevedo
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | | | - Marialva T F Araujo
- Department of Pathology, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - Ermelinda R C Moutinho
- Department of Pathology, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | | | - Ana C R Cruz
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil; Center of Biological and Health Sciences, State University of Pará, Belém, Brazil
| | - Consuelo S Oliveira
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - Lívia C Martins
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | | | - Livia M N Casseb
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - Jannifer O Chiang
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil
| | - Juarez A S Quaresma
- Department of Pathology, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil; Center of Biological and Health Sciences, State University of Pará, Belém, Brazil; Tropical Medicine Center, Federal University of Pará, Belém, Brazil.
| | - Pedro F C Vasconcelos
- Department of Arbovirology and Hemorrhagic Fevers, Evandro Chagas Institute, Ministry of Health, Ananindeua, Brazil; Center of Biological and Health Sciences, State University of Pará, Belém, Brazil.
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Zheng Y, Liu Q, Wu Y, Ma L, Zhang Z, Liu T, Jin S, She Y, Li YP, Cui J. Zika virus elicits inflammation to evade antiviral response by cleaving cGAS via NS1-caspase-1 axis. EMBO J 2018; 37:embj.201899347. [PMID: 30065070 DOI: 10.15252/embj.201899347] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Revised: 06/28/2018] [Accepted: 07/03/2018] [Indexed: 01/02/2023] Open
Abstract
Viral infection triggers host innate immune responses, which primarily include the activation of type I interferon (IFN) signaling and inflammasomes. Here, we report that Zika virus (ZIKV) infection triggers NLRP3 inflammasome activation, which is further enhanced by viral non-structural protein NS1 to benefit its replication. NS1 recruits the host deubiquitinase USP8 to cleave K11-linked poly-ubiquitin chains from caspase-1 at Lys134, thus inhibiting the proteasomal degradation of caspase-1. The enhanced stabilization of caspase-1 by NS1 promotes the cleavage of cGAS, which recognizes mitochondrial DNA release and initiates type I IFN signaling during ZIKV infection. NLRP3 deficiency increases type I IFN production and strengthens host resistance to ZIKVin vitro and in vivo Taken together, our work unravels a novel antagonistic mechanism employed by ZIKV to suppress host immune response by manipulating the interplay between inflammasome and type I IFN signaling, which might guide the rational design of therapeutics in the future.
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Affiliation(s)
- Yanyan Zheng
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Qingxiang Liu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yaoxing Wu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Ling Ma
- Institute of Human Virology, Key Laboratory of Tropical Diseases Control Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Zhenzhen Zhang
- Institute of Human Virology, Key Laboratory of Tropical Diseases Control Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Tao Liu
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Shouheng Jin
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yuanchu She
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yi-Ping Li
- Institute of Human Virology, Key Laboratory of Tropical Diseases Control Ministry of Education, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China .,Department of Infectious Disease, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China
| | - Jun Cui
- MOE Key Laboratory of Gene Function and Regulation, State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, Guangzhou, Guangdong, China
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Rothan HA, Fang S, Mahesh M, Byrareddy SN. Zika Virus and the Metabolism of Neuronal Cells. Mol Neurobiol 2018; 56:2551-2557. [PMID: 30043260 DOI: 10.1007/s12035-018-1263-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Accepted: 07/18/2018] [Indexed: 02/07/2023]
Abstract
Zika virus (ZIKV) infection is associated with abnormal functions of neuronal cells causing neurological disorders such as microcephaly in the newborns and Guillain-Barré syndrome in the adults. Typically, healthy brain growth is associated with normal neural stem cell proliferation, differentiation, and maturation. This process requires a controlled cellular metabolism that is essential for normal migration, axonal elongation, and dendrite morphogenesis of newly generated neurons. Thus, the remarkable changes in the cellular metabolism during early stages of neuronal stem cell differentiation are crucial for brain development. Recent studies show that ZIKV directly infects neuronal stem cells in the fetus and impairs brain growth. In this review, we highlighted the fact that the activation of P53 and inhibition of the mTOR pathway by ZIKV infection to neuronal stem cells induces early shifting from glycolysis to oxidative phosphorylation (OXPHOS) may induce immature differentiation, apoptosis, and stem cell exhaustion. We hypothesize that ZIKV infection to mature myelin-producing cells and resulting metabolic shift may lead to the development of neurological diseases, such as Guillain-Barré syndrome. Thus, the effects of ZIKV on the cellular metabolism of neuronal cells may lead to the incidence of neurological disorders as observed recently during ZIKV infection.
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Affiliation(s)
- Hussin A Rothan
- Center for Biomedical Engineering & Technology, School of Medicine, University of Maryland, Baltimore, MD, USA. .,Department of Physiology, School of Medicine, University of Maryland, Baltimore, MD, USA.
| | - Shengyun Fang
- Center for Biomedical Engineering & Technology, School of Medicine, University of Maryland, Baltimore, MD, USA.,Department of Physiology, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Mohan Mahesh
- Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA, 70433, USA
| | - Siddappa N Byrareddy
- Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA. .,Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical Center, Omaha, NE, USA. .,Department of Pharmacology and Experimental Neuroscience, College of Medicine, University of Nebraska Medical Centre (UNMC), Omaha, NE, 68198-5800, USA.
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Tricarico PM, Caracciolo I, Gratton R, D'Agaro P, Crovella S. 25-hydroxycholesterol reduces inflammation, viral load and cell death in ZIKV-infected U-87 MG glial cell line. Inflammopharmacology 2018; 27:621-625. [PMID: 30019309 DOI: 10.1007/s10787-018-0517-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 07/09/2018] [Indexed: 01/21/2023]
Abstract
Zika virus (ZIKV) infection is a global health issue due to its worldwide diffusion and to the related effects on neural progenitor cells with severe consequences on developing brain as well as on the central nervous system of adults. Previous studies showed that ZIKV infection induces an increment of IL1B expression in the central nervous system and also in the blood. IL-1β is a pro-inflammatory cytokine essential for cellular defence, tissue repair and neuroinflammation, a mechanism seen to be associated with several neuroinflammatory diseases. 25-hydroxycholesterol (25-HC) is a natural oxysterol, derived from hydroxylation of cholesterol, possessing important antiviral activity possibly correlated to its ability to alter host membrane structures. Furthermore, 25-HC is involved in the modulation of IL1B gene expression, being able to suppress IL-1β driven inflammation probably by blocking the activation of the SREB proteins. In our study, we analysed the antiviral action of 25-HC in ZIKV-infected U-87 MG cells, also evaluating its impact on inflammation and cell death. We demonstrated that 25-HC is able to reduce inflammation and cell death caused by ZIKV infection and also to diminish intracellular ZIKV load in U-87 MG glial cell line. Considering its antiviral activity and its ability to penetrate blood-brain barrier, 25-HC could be proposed, based on our results and literature findings, as a potential anti-ZIKV agent.
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Affiliation(s)
| | | | - Rossella Gratton
- Institute for Maternal and Child Health "Burlo Garofolo", Via dell' Istria 65/1, 34137, Trieste, Italy
| | | | - Sergio Crovella
- University of Trieste, Piazzale Europa 1, 34128, Trieste, Italy.,Institute for Maternal and Child Health "Burlo Garofolo", Via dell' Istria 65/1, 34137, Trieste, Italy
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44
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Photobiomodulation therapy reduces viral load and cell death in ZIKV-infected glioblastoma cell line. Lasers Med Sci 2018; 33:2011-2013. [DOI: 10.1007/s10103-018-2568-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 06/21/2018] [Indexed: 12/11/2022]
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Wang J, Liu J, Zhou R, Ding X, Zhang Q, Zhang C, Li L. Zika virus infected primary microglia impairs NPCs proliferation and differentiation. Biochem Biophys Res Commun 2018; 497:619-625. [PMID: 29453985 DOI: 10.1016/j.bbrc.2018.02.118] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 02/13/2018] [Indexed: 11/13/2022]
Abstract
Zika virus (ZIKV) can lead to severe birth defects especially microcephaly in newborns by infecting human neural progenitors and impairing brain development. However, as the resident immune cells in the brain, the role of microglia in the ZIKV pathology is not clearly defined. To understand the interplay between immune response and neural cells, we investigate the interaction between microglia and NPCs during ZIKV infection. Our results demonstrate that primary microglia infected with ZIKV induces an inflammatory response similar to that in human, producing high level of tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6), interleukin 1β (IL-1β) and inducible nitric oxide synthase (iNOS). Furthermore, conditional medium (CM) of ZIKV infected microglia showed inhibitory effects on cell proliferation and neuronal differentiation of neural precursor cells (NPCs) derived from E14 mice brain. Blocking cytokines in the CM remarkably improved neurogenesis and decreased astrocytic differentiation of NPCs. Together, our results suggest that microglia mediated neuroinflammation plays an important role in neuropathogenesis during ZIKV infection.
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Affiliation(s)
- Jin Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China
| | - Jing Liu
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China
| | - Rui Zhou
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China
| | - Xin Ding
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China
| | - Qipeng Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China
| | - Chenyu Zhang
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China
| | - Liang Li
- State Key Laboratory of Pharmaceutical Biotechnology, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, Nanjing Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing, Jiangsu, 210046, China.
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46
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Abstract
Neuroinflammation is a common pathological feature in almost all neurological diseases and is a response triggered as a consequence of the chronic activation of the innate immune response in the CNS against a variety of stimuli, including infection, traumatic brain injury, toxic metabolites, aggregated proteins, or autoimmunity. Crucial mediators of this neurinflammatory process are the intracellular protein complexes known as inflammasomes which can be triggered by pathogens as well as pathogen-associated molecular patterns (PAMPs) and damage-associated molecular patterns (DAMPs). However, chronic inflammasome activation can eventually result in cellular death and tissue damage, leading to the release of DAMPs that can reactivate the inflammasome, thereby propagating a vicious cycle of inflammation. The primary cells involved in CNS inflammasome activation are the immunocompetent microglia and the infiltrating macrophages into the CNS. However, astrocytes and neurons also express inflammasomes, and the understanding of how they are engaged in the pathogenesis of a variety of neurological diseases is crucial to develop effective therapeutic approaches for CNS pathologies that are propagated by chronic inflammasome activation. This chapter covers the activation mechanisms of relevant inflammasomes in the brain and summarizes their roles in the pathogenesis and progression of different neurological conditions.
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Affiliation(s)
- Eduardo A Albornoz
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Trent M Woodruff
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Richard Gordon
- School of Biomedical Sciences, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.
- UQ Centre for Clinical Research, Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.
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47
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Yu J, Wu Y, Wang J. Activation and Role of NACHT, LRR, and PYD Domains-Containing Protein 3 Inflammasome in RNA Viral Infection. Front Immunol 2017; 8:1420. [PMID: 29163496 PMCID: PMC5671583 DOI: 10.3389/fimmu.2017.01420] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Accepted: 10/12/2017] [Indexed: 11/29/2022] Open
Abstract
NACHT, LRR, and PYD domains-containing protein 3 (NLRP3) inflammasome activation and effects during ribonucleic acid (RNA) viral infection are the focus of a wide range of research currently. Both the pathogen-associated molecule pattern derived from virions and intracellular stress molecules involved in the process of viral infection lead to activation of the NLRP3 inflammasome, which in turn triggers inflammatory responses for antiviral defense and tissue healing. However, aberrant activation of the NLRP3 inflammasome can instead support viral pathogenesis and promote disease progression. Here, we summarize and expound upon the recent literature describing the molecular mechanisms underlying the activation and effects of the NLRP3 inflammasome in RNA viral infection to highlight how it provides protection against RNA viral infection.
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Affiliation(s)
- Junyang Yu
- Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Yuzhang Wu
- Institute of Immunology, Third Military Medical University, Chongqing, China
| | - Jingxue Wang
- Institute of Immunology, Third Military Medical University, Chongqing, China
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48
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Marcello A, Pantano S. Interdisciplinary approaches to the study of flavivirus. Biochem Biophys Res Commun 2017; 492:531-532. [PMID: 28851652 DOI: 10.1016/j.bbrc.2017.08.099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Affiliation(s)
- Alessandro Marcello
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Padriciano, 99, 34149 Trieste, Italy
| | - Sergio Pantano
- Institut Pasteur de Montevideo, Mataojo 2020, CP 11400, Montevideo, Uruguay.
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49
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Abstract
Here, Wen et al. review the current knowledge and progress in understanding the impact of Zika virus exposure on mammalian brain development and discuss potential underlying mechanisms. The re-emergence of Zika virus (ZIKV), a mosquito-borne and sexually transmitted flavivirus circulating in >70 countries and territories, poses a significant global threat to public health due to its ability to cause severe developmental defects in the human brain, such as microcephaly. Since the World Health Organization declared the ZIKV outbreak a Public Health Emergency of International Concern, remarkable progress has been made to gain insight into cellular targets, pathogenesis, and underlying biological mechanisms of ZIKV infection. Here we review the current knowledge and progress in understanding the impact of ZIKV exposure on the mammalian brain development and discuss potential underlying mechanisms.
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Affiliation(s)
- Zhexing Wen
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, Georgia 30322, USA.,Department of Cell Biology, Emory University School of Medicine, Atlanta, Georgia 30322, USA.,Department of Neurology, Emory University School of Medicine, Atlanta, Georgia 30322, USA
| | - Hongjun Song
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.,The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.,Department of Neuroscience, Mahoney Institute for Neurosciences, Perelman School for Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
| | - Guo-Li Ming
- Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.,The Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.,Department of Neuroscience, Mahoney Institute for Neurosciences, Perelman School for Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.,Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
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50
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Shil NK, Pokharel SM, Bose S. Inflammasome Activation by Paramyxoviruses. CURRENT CLINICAL MICROBIOLOGY REPORTS 2017. [DOI: 10.1007/s40588-017-0070-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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