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Guevara-Vega M, Rosa RB, Caixeta DC, Costa MA, de Souza RC, Ferreira GM, Mundim Filho AC, Carneiro MG, Jardim ACG, Sabino-Silva R. Salivary detection of Chikungunya virus infection using a portable and sustainable biophotonic platform coupled with artificial intelligence algorithms. Sci Rep 2024; 14:21546. [PMID: 39278957 PMCID: PMC11402986 DOI: 10.1038/s41598-024-71889-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 09/02/2024] [Indexed: 09/18/2024] Open
Abstract
The current detection method for Chikungunya Virus (CHIKV) involves an invasive and costly molecular biology procedure as the gold standard diagnostic method. Consequently, the search for a non-invasive, more cost-effective, reagent-free, and sustainable method for the detection of CHIKV infection is imperative for public health. The portable Fourier-transform infrared coupled with Attenuated Total Reflection (ATR-FTIR) platform was applied to discriminate systemic diseases using saliva, however, the salivary diagnostic application in viral diseases is less explored. The study aimed to identify unique vibrational modes of salivary infrared profiles to detect CHIKV infection using chemometrics and artificial intelligence algorithms. Thus, we intradermally challenged interferon-gamma gene knockout C57/BL6 mice with CHIKV (20 µl, 1 X 105 PFU/ml, n = 6) or vehicle (20 µl, n = 7). Saliva and serum samples were collected on day 3 (due to the peak of viremia). CHIKV infection was confirmed by Real-time PCR in the serum of CHIKV-infected mice. The best pattern classification showed a sensitivity of 83%, specificity of 86%, and accuracy of 85% using support vector machine (SVM) algorithms. Our results suggest that the salivary ATR-FTIR platform can discriminate CHIKV infection with the potential to be applied as a non-invasive, sustainable, and cost-effective detection tool for this emerging disease.
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Affiliation(s)
- Marco Guevara-Vega
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, ARFIS, Av. Pará, 1720, Campus Umuarama, Uberlândia, Minas Gerais, CEP 38400-902, Brazil
| | - Rafael Borges Rosa
- Rodents Animal Facilities Complex, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
- Department of Virology, Aggeu Magalhães Institute (IAM), Oswaldo Cruz Foundation (Fiocruz), Recife, Brazil
| | - Douglas Carvalho Caixeta
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, ARFIS, Av. Pará, 1720, Campus Umuarama, Uberlândia, Minas Gerais, CEP 38400-902, Brazil
| | - Mariana Araújo Costa
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, ARFIS, Av. Pará, 1720, Campus Umuarama, Uberlândia, Minas Gerais, CEP 38400-902, Brazil
| | - Rayany Cristina de Souza
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, ARFIS, Av. Pará, 1720, Campus Umuarama, Uberlândia, Minas Gerais, CEP 38400-902, Brazil
| | - Giulia Magalhães Ferreira
- Laboratory of Antiviral Research, Institute of Biomedical Science, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | | | | | - Ana Carolina Gomes Jardim
- Laboratory of Antiviral Research, Institute of Biomedical Science, Federal University of Uberlandia, Uberlandia, Minas Gerais, Brazil
| | - Robinson Sabino-Silva
- Innovation Center in Salivary Diagnostic and Nanobiotechnology, Department of Physiology, Institute of Biomedical Sciences, Federal University of Uberlandia, ARFIS, Av. Pará, 1720, Campus Umuarama, Uberlândia, Minas Gerais, CEP 38400-902, Brazil.
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Awal SK, Swu AK. Beyond the Bite: Detailed findings on Chikungunya and Dengue co-detection in Punjab, North India - clinical insights and diagnostic challenges. Braz J Microbiol 2024:10.1007/s42770-024-01493-w. [PMID: 39222222 DOI: 10.1007/s42770-024-01493-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 08/12/2024] [Indexed: 09/04/2024] Open
Abstract
OBJECTIVES The co-circulation of Chikungunya virus (CHIKV) and Dengue virus (DENV) in India poses a challenge for the diagnosing clinician, as they share similar clinical signs and symptoms and geographical distribution. Both arthropod-borne viruses are maintained in the environment by the Aedes mosquito, commonly found in tropical countries including India. Here we aim to investigate the clinical and laboratory aspects of Chikungunya/Dengue suspected cases in Punjab, India during 2021-2022, focusing on the differential diagnosis of Dengue. METHODS All suspected cases were submitted to serological differential diagnosis approaches to arboviruses like Chikungunya and Dengue. For the detection of Chikungunya Infection, CHIK IgM Capture ELISA was employed. Whereas, for Dengue NS1 antigen ELISA and IgM Capture ELISA assays were employed. RESULTS A total of 370 cases suspected of arboviral infection were investigated and 38.3% (142/370) were confirmed as Chikungunya. Chikungunya cases were slightly more prevalent in males (54%) and the most frequently affected age group was adults between 16 and 30 years old (45.7%). Polyarthralgia affected 79.5% of patients, 63.3% exhibited headache and 50% presented with retro-orbital pain. 28.9% (107/370) had serological evidence of DENV exposure by detection of specific anti-DENV IgM or NS1 and 9.1% (34/370) cases of co-detection of Chikungunya and Dengue were reported. Urban populations had a higher infection rate of co-detection of Chikungunya and Dengue than rural populations with 83% versus 17%, respectively. CONCLUSIONS Despite an initial clinical diagnosis of Dengue, most patients with fever and arthralgia were serologically confirmed as Chikungunya cases, with a notable prevalence of CHIKV/DENV co-detection. Strengthening differential diagnosis of circulating arboviruses is crucial for improving patient care and enhancing vector control and environmental management strategies.
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Affiliation(s)
- Sampreet Kaur Awal
- Department of Microbiology, Manipal Tata Medical College, Manipal Academy of Higher Education, Manipal, India.
| | - Anato K Swu
- Consultant Microbiologist & Head of Laboratory Services Putuonuo Hospital, Kohima, Nagaland, India
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Ahmed S, Salem A, Hamadan N, Khalfallah M, Alfaki M. Identification of the Hub Genes Involved in Chikungunya Viral Infection. Cureus 2024; 16:e57603. [PMID: 38707036 PMCID: PMC11069395 DOI: 10.7759/cureus.57603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/04/2024] [Indexed: 05/07/2024] Open
Abstract
Background Chikungunya virus (CHIKV) infection poses a significant global health threat, necessitating a deeper understanding of its molecular mechanisms for effective management and treatment. This study aimed to understand the molecular and genetic mechanisms of CHIKV infection by analyzing microarray expression data. Methodology National Center for Biotechnology Information (NCBI) GEO2R with an adjusted p-value cut-off of <0.05 and |log2FC ≥ 1.5| was used to identify the differentially expressed genes involved in CHIKV infection using microarray data from the Gene Expression Omnibus (GEO) database, followed by enrichment analysis, protein-protein interaction (PPI) network construction, and, finally, hub gene identification. Results Analysis of the microarray dataset revealed 25 highly significant differentially expressed genes (DEGs), including 21 upregulated and four downregulated genes. PPI network analysis elucidated interactions among these DEGs, with hub genes such as ACTB and CTNNB1 exhibiting central roles. Enrichment analysis identified crucial pathways, including leukocyte transendothelial migration, regulation of actin cytoskeleton, and thyroid hormone signaling, implicating their involvement in CHIKV infection. Furthermore, the study highlights potential therapeutic targets such as ACTB and CTNNB1, which showed significant upregulation in infected cells. Conclusions These findings underscore the complex interplay between viral infection and host cellular processes, shedding light on novel avenues for diagnostic marker discovery and advancing antiviral strategies. In this study, we shed light on the molecular and genetic mechanisms of CHIKV infection and the potential role of ACTB and CTNNB1 genes.
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Affiliation(s)
- Sanaa Ahmed
- Pharmacology, Faculty of Pharmacy, University of Khartoum, Khartoum, SDN
| | - Ahmed Salem
- Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Pardubice, CZE
| | - Nema Hamadan
- Histopathology and Cytology, University of Ibn Sina, Khartoum, SDN
| | - Maha Khalfallah
- Zoology, Faculty of Science, University of Khartoum, Khartoum, SDN
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Bezerra WP, Moizéis RNC, Salmeron ACA, Pereira HWB, de Araújo JMG, Guedes PMM, Fernandes JV, Nascimento MSL. Innate immune response in patients with acute Chikungunya disease. Med Microbiol Immunol 2023:10.1007/s00430-023-00771-y. [PMID: 37285099 DOI: 10.1007/s00430-023-00771-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/29/2023] [Indexed: 06/08/2023]
Abstract
Chikungunya disease (CHIKD) is an arbovirose that presents with high morbidity, mainly due to arthralgia. Inflammatory mediators including IL-6, IL-1β, GM-CSF and others have been implicated in the pathogenesis of CHIKD, whilst type I interferons can be associated with better outcomes. The role of pattern recognition receptors has been studied incompletely. Here, we evaluated the expression of RNA-specific PRRs, their adaptor molecules and downstream cytokines in acute CHIKD patients. Twenty-eight patients were recruited during the 3rd-5th day after the symptoms onset for clinical examination, peripheral blood collection and qRT-PCR analysis of PBMC to compare to the healthy control group (n = 20). We observed common symptoms of acute CHIKD, with fever, arthralgia, headache and myalgia being the most frequent. Compared with uninfected controls, acute CHIKV infection upregulates the expression of the receptors TLR3, RIG-I and MDA5, and also the adaptor molecule TRIF. Regarding cytokine expression, we found an upregulation of IL-6, IL-12, IFN-α, IFN-β and IFN-γ, which are related directly to the inflammatory or antiviral response. The TLR3-TRIF axis correlated with high expression of IL-6 and IFN-α. Interestingly, greater expression of MDA5, IL-12 and IFN-α was related to lower viral loads in CHIKD acute patients. Together, these findings help to complete the picture of innate immune activation during acute CHIKD, while confirming the induction of strong antiviral responses. Drawing the next steps in the understanding of the immunopathology and virus clearance mechanisms of CHIKD should be of utter importance in the aid of the development of effective treatment to reduce the severity of this debilitating disease.
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Affiliation(s)
- Wallace Pitanga Bezerra
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil
| | - Raíza Nara Cunha Moizéis
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil
| | - Amanda Costa Ayres Salmeron
- Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Macaiba, Rio Grande do Norte, Brazil
| | - Hannaly Wana Bezerra Pereira
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil
| | - Josélio Maria Galvão de Araújo
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil
| | - Paulo Marcos Matta Guedes
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil
| | - José Veríssimo Fernandes
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil
| | - Manuela Sales Lima Nascimento
- Department of Microbiology and Parasitology, Biosciences Center, Federal University of Rio Grande do Norte. Natal, Rio Grande do Norte, Natal, Rio Grande Do Norte, 59078-970, Brazil.
- Edmond and Lily Safra International Institute of Neuroscience, Santos Dumont Institute, Macaiba, Rio Grande do Norte, Brazil.
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Srivastava P, Chaudhary S, Malhotra S, Varma B, Sunil S. Transcriptome analysis of human macrophages upon chikungunya virus (CHIKV) infection reveals regulation of distinct signaling and metabolic pathways during the early and late stages of infection. Heliyon 2023; 9:e17158. [PMID: 37408916 PMCID: PMC10318463 DOI: 10.1016/j.heliyon.2023.e17158] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 06/01/2023] [Accepted: 06/08/2023] [Indexed: 07/07/2023] Open
Abstract
Macrophages are efficient reservoirs for viruses that enable the viruses to survive over a longer period of infection. Alphaviruses such as chikungunya virus (CHIKV) are known to persist in macrophages even after the acute febrile phase. The viral particles replicate in macrophages at a very low level over extended period of time and are localized in tissues that are often less accessible by treatment. Comprehensive experimental studies are thus needed to characterize the CHIKV-induced modulation of host genes in these myeloid lineage cells and in one such pursuit, we obtained global transcriptomes of a human macrophage cell line infected with CHIKV, over its early and late timepoints of infection. We analyzed the pathways, especially immune related, perturbed over these timepoints and observed several host factors to be differentially expressed in infected macrophages in a time-dependent manner. We postulate that these pathways may play crucial roles in the persistence of CHIKV in macrophages.
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Affiliation(s)
- Priyanshu Srivastava
- Vector-Borne Diseases Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, India
| | - Sakshi Chaudhary
- Vector-Borne Diseases Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, India
| | | | | | - Sujatha Sunil
- Vector-Borne Diseases Group, International Centre for Genetic Engineering and Biotechnology (ICGEB), New Delhi, India
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de Araújo S, de Melo Costa VR, Santos FM, de Sousa CDF, Moreira TP, Gonçalves MR, Félix FB, Queiroz-Junior CM, Campolina-Silva GH, Nogueira ML, Sugimoto MA, Bonilha CS, Perretti M, Souza DG, Costa VV, Teixeira MM. Annexin A1-FPR2/ALX Signaling Axis Regulates Acute Inflammation during Chikungunya Virus Infection. Cells 2022; 11:cells11172717. [PMID: 36078125 PMCID: PMC9454528 DOI: 10.3390/cells11172717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/24/2022] [Accepted: 08/24/2022] [Indexed: 12/03/2022] Open
Abstract
Chikungunya (CHIKV) is an arthritogenic alphavirus that causes a self-limiting disease usually accompanied by joint pain and/or polyarthralgia with disabling characteristics. Immune responses developed during the acute phase of CHIKV infection determine the rate of disease progression and resolution. Annexin A1 (AnxA1) is involved in both initiating inflammation and preventing over-response, being essential for a balanced end of inflammation. In this study, we investigated the role of the AnxA1-FPR2/ALX pathway during CHIKV infection. Genetic deletion of AnxA1 or its receptor enhanced inflammatory responses driven by CHIKV. These knockout mice showed increased neutrophil accumulation and augmented tissue damage at the site of infection compared with control mice. Conversely, treatment of wild-type animals with the AnxA1 mimetic peptide (Ac2–26) reduced neutrophil accumulation, decreased local concentration of inflammatory mediators and diminished mechanical hypernociception and paw edema induced by CHIKV-infection. Alterations in viral load were mild both in genetic deletion or with treatment. Combined, our data suggest that the AnxA1-FPR2/ALX pathway is a potential therapeutic strategy to control CHIKV-induced acute inflammation and polyarthralgia.
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Affiliation(s)
- Simone de Araújo
- Graduate Program in Biological Sciences Physiology and Pharmacology, Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Victor R. de Melo Costa
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Franciele M. Santos
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Carla D. Ferreira de Sousa
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Thaiane P. Moreira
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Matheus R. Gonçalves
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Franciel B. Félix
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Celso M. Queiroz-Junior
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Gabriel H. Campolina-Silva
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Department of Obstetrics, Gynecology and Reproduction, CHU de Quebec Research Center (CHUL), Université Laval, Quebec, QC G1V 0A6, Canada
| | - Maurício Lacerda Nogueira
- Department of Dermatological, Infections, and Parasitic Diseases, School of Medicine (FAMERP), São José do Rio Preto, São Paulo 15090-000, Brazil
| | - Michelle A. Sugimoto
- Barts and The London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London E1 4NS, UK
| | - Caio S. Bonilha
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Center for Research on Inflammatory Diseases, University of São Paulo, São Paulo 05508-000, Brazil
- Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow G12 8QQ, UK
| | - Mauro Perretti
- Barts and The London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London E1 4NS, UK
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London E1 4NS, UK
| | - Danielle G. Souza
- Graduate Program in Microbiology, Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
| | - Vivian V. Costa
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Graduate Program in Cell Biology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Correspondence: (V.V.C.); (M.M.T.); Tel.: +55-31-3409-3082 (V.V.C.); +55-31-3409-2651 (M.M.T.)
| | - Mauro M. Teixeira
- Drug Research and Development Center, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, Brazil
- Correspondence: (V.V.C.); (M.M.T.); Tel.: +55-31-3409-3082 (V.V.C.); +55-31-3409-2651 (M.M.T.)
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Traverse EM, Millsapps EM, Underwood EC, Hopkins HK, Young M, Barr KL. Chikungunya Immunopathology as It Presents in Different Organ Systems. Viruses 2022; 14:v14081786. [PMID: 36016408 PMCID: PMC9414582 DOI: 10.3390/v14081786] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/12/2022] [Accepted: 08/13/2022] [Indexed: 12/13/2022] Open
Abstract
Chikungunya virus (CHIKV) is currently an urgent public health problem as high morbidity from the virus leaves populations with negative physical, social, and economic impacts. CHIKV has the potential to affect every organ of an individual, leaving patients with lifelong impairments which negatively affect their quality of life. In this review, we show the importance of CHIKV in research and public health by demonstrating the immunopathology of CHIKV as it presents in different organ systems. Papers used in this review were found on PubMed, using “chikungunya and [relevant organ system]”. There is a significant inflammatory response during CHIKV infection which affects several organ systems, such as the brain, heart, lungs, kidneys, skin, and joints, and the immune response to CHIKV in each organ system is unique. Whilst there is clinical evidence to suggest that serious complications can occur, there is ultimately a lack of understanding of how CHIKV can affect different organ systems. It is important for clinicians to understand the risks to their patients.
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Characterization of the RNA-dependent RNA polymerase from Chikungunya virus and discovery of a novel ligand as a potential drug candidate. Sci Rep 2022; 12:10601. [PMID: 35732685 PMCID: PMC9217121 DOI: 10.1038/s41598-022-14790-x] [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: 02/22/2022] [Accepted: 06/13/2022] [Indexed: 11/08/2022] Open
Abstract
Chikungunya virus (CHIKV) is the causative agent of Chikungunya fever, an acute febrile and arthritogenic illness with no effective treatments available. The development of effective therapeutic strategies could be significantly accelerated with detailed knowledge of the molecular components behind CHIKV replication. However, drug discovery is hindered by our incomplete understanding of their main components. The RNA-dependent RNA-polymerase (nsP4-CHIKV) is considered the key enzyme of the CHIKV replication complex and a suitable target for antiviral therapy. Herein, the nsP4-CHIKV was extensively characterized through experimental and computational biophysical methods. In the search for new molecules against CHIKV, a compound designated LabMol-309 was identified as a strong ligand of the nsp4-CHIKV and mapped to bind to its active site. The antiviral activity of LabMol-309 was evaluated in cellular-based assays using a CHIKV replicon system and a reporter virus. In conclusion, this study highlights the biophysical features of nsP4-CHIKV and identifies a new compound as a promising antiviral agent against CHIKV infection.
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Placental Alterations in a Chikungunya-Virus-Infected Pregnant Woman: A Case Report. Microorganisms 2022; 10:microorganisms10050872. [PMID: 35630317 PMCID: PMC9144120 DOI: 10.3390/microorganisms10050872] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 03/16/2022] [Accepted: 03/17/2022] [Indexed: 02/04/2023] Open
Abstract
Chikungunya virus (CHIKV) is an arthropod-borne virus first isolated in Tanzania, Africa. The virus has spread to Asia as well as South and Central America through infected Aedes mosquitoes. Vertical transmission may also occur, and was first documented during a chikungunya outbreak in La Réunion Island in 2005. Since then, some authors have been discussing the role of the placenta in maternal–fetal CHIKV transmission. CHIKV infection is characterized by fever, headache, rash, and arthralgia. However, atypical manifestations and clinical complications, including neurological, cardiac, renal, ocular, and dermal, may occur in some cases. In this report, we describe the case of a pregnant woman infected by CHIKV during the third trimester of gestation, who presented with severe dermatological manifestations during the epidemic in Rio de Janeiro, Brazil in 2019. CHIKV RNA and antigens were detected in the placental tissue, which presented with histopathological (deciduitis, fibrin deposition, edema, fetal vessel thickening, and chorioamnionitis) and ultrastructural alterations (cytotrophoblast with mitochondrial swelling and dilated cisterns in endoplasmic reticulum, vesicles in syncytiotrophoblasts, and thickening of the basement membrane of the endothelium).
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Was It Chikungunya? Laboratorial and Clinical Investigations of Cases Occurred during a Triple Arboviruses’ Outbreak in Rio de Janeiro, Brazil. Pathogens 2022; 11:pathogens11020245. [PMID: 35215188 PMCID: PMC8879879 DOI: 10.3390/pathogens11020245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/04/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023] Open
Abstract
The co-circulation of chikungunya virus (CHIKV), dengue virus (DENV) and Zika virus (ZIKV) in Rio de Janeiro (RJ), Brazil, caused a challenging triple epidemic, as they share similar clinical signs and symptoms and geographical distribution. Here, we aimed to investigate the clinical and laboratorial aspects of chikungunya suspected cases assisted in RJ during the 2018 outbreak, focusing on the differential diagnosis with dengue and zika. All suspected cases were submitted to molecular and/or serological differential diagnostic approaches to arboviruses. A total of 242 cases suspected of arbovirus infection were investigated and 73.6% (178/242) were molecular and/or serologically confirmed as chikungunya. In RT-qPCR confirmed cases, cycle threshold (Ct) values ranged from 15.46 to 35.13, with acute cases presenting lower values. Chikungunya cases were mainly in females (64%) and the most frequently affected age group was adults between 46 to 59 years old (27%). Polyarthralgia affected 89% of patients, especially in hands and feet. No dengue virus (DENV) and Zika virus (ZIKV) infections were confirmed by molecular diagnosis, but 9.5% (23/242) had serological evidence of DENV exposure by the detection of specific anti-DENV IgM or NS1, and 42.7% (76/178) of chikungunya positive cases also presented recent DENV exposure reflected by a positive anti-DENV IgM or NS1 result. A significantly higher frequency of arthritis (p = 0.023) and limb edema (p < 0.001) was found on patients with CHIKV monoinfection compared to dengue patients and patients exposed to both viruses. Lastly, phylogenetic analysis showed that the chikungunya cases were caused by the ECSA genotype. Despite the triple arboviruses’ epidemic in the state of RJ, most patients with fever and arthralgia investigated here were diagnosed as chikungunya cases, and the incidence of CHIKV/DENV co-detection was higher than that reported in other studies.
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Shukla M, Chandley P, Tapryal S, Kumar N, Mukherjee SP, Rohatgi S. Expression, Purification, and Refolding of Chikungunya Virus Full-Length Envelope E2 Protein along with B-Cell and T-Cell Epitope Analyses Using Immuno-Informatics Approaches. ACS OMEGA 2022; 7:3491-3513. [PMID: 35128258 PMCID: PMC8811930 DOI: 10.1021/acsomega.1c05975] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Accepted: 12/10/2021] [Indexed: 05/17/2023]
Abstract
Chikungunya virus (CHIKV) is a mosquito-transmitted alphavirus, which causes severe illness in humans and is responsible for epidemic outbreaks in Africa, Asia, North and South America, and Europe. Despite its increased global prevalence, no licensed vaccines are available to date for treating or preventing CHIKV infection. The envelope E2 protein is one of the promising subunit vaccine candidates against CHIKV. In this study, we describe successful cloning, expression, and purification of CHIKV E2 full-length (E2-FL) and truncated (E2-ΔC and E2-ΔNC) proteins in the Escherichia coli expression system. The recombinant E2 proteins were purified from inclusion bodies using Ni-NTA chromatography. Further, we describe a detailed refolding procedure for obtaining the CHIKV E2-FL protein in native conformation, which was confirmed using circular dichroism and Fourier transform infrared spectroscopy. BALB/c mice immunized with the three different E2 proteins exhibited increased E2-specific antibody titers compared to sham-immunized controls, suggesting induction of strong humoral immune response. On analyzing the E2-specific antibody response generated in immunized mice, the CHIKV E2-FL protein was observed to be the most immunogenic among the three different CHIKV E2 antigens used in the study. Our B-cell and T-cell epitope mapping results indicate that the presence of specific immunogenic peptides located in the N-terminal and C-terminal regions of the CHIKV E2-FL protein may contribute to its increased immunogenicity, compared to truncated CHIKV E2 proteins. In summary, our study provides a detailed protocol for expressing, purifying, and refolding of the CHIKV E2-FL protein and provides an understanding of its immunogenic epitopes, which can be exploited for the development of novel multiepitope-based anti-CHIKV vaccine strategies.
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Affiliation(s)
- Manisha Shukla
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - Pankaj Chandley
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - Suman Tapryal
- Department
of Biotechnology, Central University of
Rajasthan, Bandersindri,
Kishangarh, Ajmer 305817, Rajasthan, India
| | - Narendra Kumar
- Jaypee
University of Information Technology, Waknaghat, Solan 173234, India
| | - Sulakshana P. Mukherjee
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
| | - Soma Rohatgi
- Department
of Biosciences and Bioengineering, Indian
Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India
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12
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Plant-Derived Recombinant Vaccines against Zoonotic Viruses. Life (Basel) 2022; 12:life12020156. [PMID: 35207444 PMCID: PMC8878793 DOI: 10.3390/life12020156] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/15/2022] [Accepted: 01/19/2022] [Indexed: 12/12/2022] Open
Abstract
Emerging and re-emerging zoonotic diseases cause serious illness with billions of cases, and millions of deaths. The most effective way to restrict the spread of zoonotic viruses among humans and animals and prevent disease is vaccination. Recombinant proteins produced in plants offer an alternative approach for the development of safe, effective, inexpensive candidate vaccines. Current strategies are focused on the production of highly immunogenic structural proteins, which mimic the organizations of the native virion but lack the viral genetic material. These include chimeric viral peptides, subunit virus proteins, and virus-like particles (VLPs). The latter, with their ability to self-assemble and thus resemble the form of virus particles, are gaining traction among plant-based candidate vaccines against many infectious diseases. In this review, we summarized the main zoonotic diseases and followed the progress in using plant expression systems for the production of recombinant proteins and VLPs used in the development of plant-based vaccines against zoonotic viruses.
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13
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Nano-multilamellar lipid vesicles loaded with a recombinant form of the chikungunya virus E2 protein improve the induction of virus-neutralizing antibodies. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 37:102445. [PMID: 34303841 DOI: 10.1016/j.nano.2021.102445] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 02/06/2023]
Abstract
Chikungunya virus (CHIKV) is responsible for a self-limited illness that can evolve into long-lasting painful joint inflammation. In this study, we report a novel experimental CHIKV vaccine formulation of lipid nanoparticles loaded with a recombinant protein derived from the E2 structural protein. This antigen fragment, designated ∆E2.1, maintained the antigenicity of the native viral protein and was specifically recognized by antibodies induced in CHIKV-infected patients. The antigen has been formulated into nanoparticles consisting of nano-multilamellar vesicles (NMVs) combined with the adjuvant monophosphoryl lipid A (MPLA). The vaccine formulation demonstrated a depot effect, leading to controlled antigen release, and induced strong antibody responses significantly higher than in mice immunized with the purified protein combined with the adjuvant. More relevantly, E2-specific antibodies raised in mice immunized with ∆E2.1-loaded NMV-MPLA neutralized CHIKV under in vitro conditions. Taken together, the results demonstrated that the new nanoparticle-based vaccine formulation represents a promising approach for the development of effective anti-CHIKV vaccines.
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14
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Traverse EM, Hopkins HK, Vaidhyanathan V, Barr KL. Cardiomyopathy and Death Following Chikungunya Infection: An Increasingly Common Outcome. Trop Med Infect Dis 2021; 6:108. [PMID: 34206332 PMCID: PMC8293388 DOI: 10.3390/tropicalmed6030108] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/14/2021] [Accepted: 06/18/2021] [Indexed: 12/13/2022] Open
Abstract
Chikungunya virus (CHIKV) is vectored by Aedes aegypti and Aedes albopictus mosquitoes and is found throughout tropical and sub-tropical regions. While most infections cause mild symptoms such as fever and arthralgia, there have been cases in which cardiac involvement has been reported. In adults, case reports include symptoms ranging from tachycardia and arrythmia, to myocarditis and cardiac arrest. In children, case reports describe symptoms such as arrythmia, myocarditis, and heart failure. Case reports of perinatal and neonatal CHIKV infections have also described cardiovascular compromise, including myocardial hypertrophy, ventricular dysfunction, myocarditis, and death. Myocarditis refers to inflammation of the heart tissue, which can be caused by viral infection, thus becoming viral myocarditis. Since viral myocarditis is linked as a causative factor of other cardiomyopathies, including dilated cardiomyopathy, in which the heart muscle weakens and fails to pump blood properly, the connection between CHIKV and the heart is concerning. We searched Pubmed, Embase, LILACS, and Google Scholar to identify case reports of CHIKV infections where cardiac symptoms were reported. We utilized NCBI Virus and NCBI Nucleotide to explore the lineage/evolution of strains associated with these outbreaks. Statistical analysis was performed to identify which clinical features were associated with death. Phylogenetic analysis determined that CHIKV infections with cardiac symptoms are associated with the Asian, the East Central South African, and the Indian Ocean lineages. Of patients admitted to hospital, death rates ranged from 26-48%. Myocarditis, hypertension, pre-existing conditions, and the development of heart failure were significantly correlated with death. As such, clinicians should be aware in their treatment and follow-up of patients.
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Affiliation(s)
- Elizabeth M. Traverse
- Center for Global Health and Infectious Disease Research, University of South Florida, Tampa, FL 33612, USA; (E.M.T.); (H.K.H.)
| | - Hannah K. Hopkins
- Center for Global Health and Infectious Disease Research, University of South Florida, Tampa, FL 33612, USA; (E.M.T.); (H.K.H.)
| | | | - Kelli L. Barr
- Center for Global Health and Infectious Disease Research, University of South Florida, Tampa, FL 33612, USA; (E.M.T.); (H.K.H.)
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15
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Le BCT, Ekalaksananan T, Thaewnongiew K, Phanthanawiboon S, Aromseree S, Phanitchat T, Chuerduangphui J, Suwannatrai AT, Alexander N, Overgaard HJ, Bangs MJ, Pientong C. Interepidemic Detection of Chikungunya Virus Infection and Transmission in Northeastern Thailand. Am J Trop Med Hyg 2020; 103:1660-1669. [PMID: 32700661 DOI: 10.4269/ajtmh.20-0293] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Chikungunya fever is a viral mosquito-borne, acute febrile illness associated with rash, joint pain, and occasionally prolonged polyarthritis. Chikungunya outbreaks have been reported worldwide including many provinces of Thailand. Although chikungunya virus (CHIKV) occurs in Thailand, details on its epidemiology are lacking compared with dengue, a common mosquito-borne disease in the country. Therefore, study on CHIKV and its epidemiology in both humans and mosquitoes is required to better understand its importance clinically and dynamics in community settings. So a prospective examination of virus circulation in human and mosquito populations in northeastern Thailand using serological and molecular methods, including the genetic characterization of the virus, was undertaken. The study was conducted among febrile patients in eight district hospitals in northeastern Thailand from June 2016 to October 2017. Using real-time PCR on the conserved region of nonstructural protein 1 gene, CHIKV was detected in eight (4.9%) of 161 plasma samples. Only one strain yielded a sequence of sufficient size allowing for phylogenetic analysis. In addition, anti-CHIKV IgM and IgG were detected in six (3.7%) and 17 (10.6%) patient plasma samples. The single sequenced sample belonged to the East/Central/South Africa (ECSA) genotype and was phylogenetically similar to the Indian Ocean sub-lineage. Adult Aedes mosquitoes were collected indoors and within a 100-m radius from the index case house and four neighboring houses. CHIKV was detected in two of 70 (2.9%) female Aedes aegypti mosquito pools. This study clearly demonstrated the presence and local transmission of the ECSA genotype of CHIKV in the northeastern region of Thailand.
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Affiliation(s)
- Bao Chi Thi Le
- Department of Microbiology, University of Medicine and Pharmacy, Hue University, Hue, Vietnam.,Department of Microbiology, Khon Kaen University, Khon Kaen, Thailand
| | - Tipaya Ekalaksananan
- HPV & EBV and Carcinogenesis Research Group, Khon Kaen University, Khon Kaen, Thailand.,Department of Microbiology, Khon Kaen University, Khon Kaen, Thailand
| | - Kesorn Thaewnongiew
- Department of Disease Control, Office of Disease Prevention and Control, Region 7 Khon Kaen Ministry of Public Health, Khon Kaen, Thailand
| | | | - Sirinart Aromseree
- HPV & EBV and Carcinogenesis Research Group, Khon Kaen University, Khon Kaen, Thailand.,Department of Microbiology, Khon Kaen University, Khon Kaen, Thailand
| | - Thipruethai Phanitchat
- Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | | | | | - Neal Alexander
- MRC Tropical Epidemiology Group, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Hans J Overgaard
- Faculty of Science and Technology, Norwegian University of Life Sciences, Ås, Norway
| | - Michael J Bangs
- Department of Entomology, Faculty of Agriculture, Kasetsart University, Bangkok 10900, Thailand.,Public Health & Malaria Control, PT Freeport Indonesia/International SOS, Kuala Kencana, Papua, Indonesia
| | - Chamsai Pientong
- Department of Microbiology, Khon Kaen University, Khon Kaen, Thailand.,HPV & EBV and Carcinogenesis Research Group, Khon Kaen University, Khon Kaen, Thailand
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16
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Alphavirus Replication: The Role of Cardiac Glycosides and Ion Concentration in Host Cells. BIOMED RESEARCH INTERNATIONAL 2020; 2020:2813253. [PMID: 32461975 PMCID: PMC7232666 DOI: 10.1155/2020/2813253] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/31/2020] [Accepted: 04/15/2020] [Indexed: 01/07/2023]
Abstract
Alphaviruses are arthropod-borne viruses that can cause fever, rash, arthralgias, and encephalitis. The mosquito species Aedes aegypti and Aedes albopictus are the most frequent transmitters of alphaviruses. There are no effective vaccines or specific antivirals available for the treatment of alphavirus-related infections. Interestingly, changes in ion concentration in host cells have been characterized as critical regulators of the alphavirus life cycle, including fusion with the host cell, glycoprotein trafficking, genome translation, and viral budding. Cardiac glycosides, which are classical inhibitors of the Na+ K+ ATPase (NKA), can inhibit alphavirus replication although their mechanisms of action are poorly understood. Nonetheless, results from multiple studies suggest that inhibition of NKA may be a suitable strategy for the development of alphavirus-specific antiviral treatments. This review is aimed at exploring the role of changes in ion concentration during alphavirus replication and at considering the possibility of NKA as a potential therapeutic target for antiviral drugs.
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17
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Schrauf S, Tschismarov R, Tauber E, Ramsauer K. Current Efforts in the Development of Vaccines for the Prevention of Zika and Chikungunya Virus Infections. Front Immunol 2020; 11:592. [PMID: 32373111 PMCID: PMC7179680 DOI: 10.3389/fimmu.2020.00592] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 03/13/2020] [Indexed: 01/07/2023] Open
Abstract
Arboviruses represent major challenges to public health, particularly in tropical, and subtropical regions, and a substantial risk to other parts of the world as respective vectors extend their habitats. In recent years, two viruses transmitted by Aedes mosquitoes, Chikungunya and Zika virus, have gathered increased interest. After decades of regionally constrained outbreaks, both viruses have recently caused explosive outbreaks on an unprecedented scale, causing immense suffering and massive economic burdens in affected regions. Chikungunya virus causes an acute febrile illness that often transitions into a chronic manifestation characterized by debilitating arthralgia and/or arthritis in a substantial subset of infected individuals. Zika infection frequently presents as a mild influenza-like illness, often subclinical, but can cause severe complications such as congenital malformations in pregnancy and neurological disorders, including Guillain-Barré syndrome. With no specific treatments or vaccines available, vector control remains the most effective measure to manage spread of these diseases. Given that both viruses cause antibody responses that confer long-term, possibly lifelong protection and that such responses are cross-protective against the various circulating genetic lineages, the development of Zika and Chikungunya vaccines represents a promising route for disease control. In this review we provide a brief overview on Zika and Chikungunya viruses, the etiology and epidemiology of the illnesses they cause and the host immune response against them, before summarizing past and current efforts to develop vaccines to alleviate the burden caused by these emerging diseases. The development of the urgently needed vaccines is hampered by several factors including the unpredictable epidemiology, feasibility of rapid clinical trial implementation during outbreaks and regulatory pathways. We will give an overview of the current developments.
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18
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Vairo F, Haider N, Kock R, Ntoumi F, Ippolito G, Zumla A. Chikungunya: Epidemiology, Pathogenesis, Clinical Features, Management, and Prevention. Infect Dis Clin North Am 2020; 33:1003-1025. [PMID: 31668189 DOI: 10.1016/j.idc.2019.08.006] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Chikungunya, a zoonotic disease caused by the Chikungunya virus (CHIKV), is transmitted by infected Aedes spp mosquitoes. CHIKV has now spread to more than 100 countries and is listed on the WHO Blueprint priority pathogens. After an incubation period of 1 to 12 days, symptoms similar to other febrile infections appear, with a sudden onset of high fever, nausea, polyarthralgia, myalgia, widespread skin rash, and conjunctivitis. Serious complications include myocarditis, uveitis, retinitis, hepatitis, acute renal disease, severe bullous lesions, meningoencephalitis, Guillain-Barré syndrome, myelitis, and cranial nerve palsies. Treatment is supportive; there is no specific antiviral treatment and no effective vaccine.
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Affiliation(s)
- Francesco Vairo
- National Institute for Infectious Diseases, "Lazzaro Spallanzani"Istituto di ricovero e cura a carattere scientifico - IRCCS, Via Portuense 292, 00149, Rome, Italy.
| | - Najmul Haider
- The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
| | - Richard Kock
- The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire AL9 7TA, UK
| | - Francine Ntoumi
- Fondation Congolaise pour la Recherche Médicale (FCRM), Brazzaville, Congo; Faculty of Sciences and Techniques, University Marien Ngouabi, PO Box 69, Brazzaville, Congo; Institute for Tropical Medicine, University of Tübingen, Wilhelmstraße 27 72074, Tübingen, Germany
| | - Giuseppe Ippolito
- National Institute for Infectious Diseases, "Lazzaro Spallanzani"Istituto di ricovero e cura a carattere scientifico - IRCCS, Via Portuense 292, 00149, Rome, Italy
| | - Alimuddin Zumla
- Center for Clinical Microbiology, University College London, Royal Free Campus 2nd Floor, Rowland Hill Street, London NW3 2PF, United Kingdom
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19
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Poh CM, Chan YH, Ng LFP. Role of T Cells in Chikungunya Virus Infection and Utilizing Their Potential in Anti-Viral Immunity. Front Immunol 2020; 11:287. [PMID: 32153590 PMCID: PMC7046835 DOI: 10.3389/fimmu.2020.00287] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Accepted: 02/05/2020] [Indexed: 11/17/2022] Open
Abstract
Chikungunya virus (CHIKV) is an arthropod-borne alphavirus that causes hallmark debilitating polyarthralgia, fever, and rash in patients. T cell-mediated immunity, especially CD4+ T cells, are known to participate in the pathogenic role of CHIKV immunopathology. The other T cell subsets, notably CD8+, NKT, and gamma-delta (γδ) T cells, can also contribute to protective immunity, but their effect is not actuated during the natural course of infection. This review serves to consolidate and discuss the multifaceted roles of these T cell subsets during acute and chronic phases of CHIKV infection, and highlight gaps in the current literature. Importantly, the unique characteristics of skin-resident memory T cells are outlined to propose novel prophylactic strategies that utilize their properties to provide adequate, lasting protection.
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Affiliation(s)
- Chek Meng Poh
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
| | - Yi-Hao Chan
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore
| | - Lisa F P Ng
- Singapore Immunology Network, Agency for Science, Technology and Research, Singapore, Singapore.,National University of Singapore Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore, Singapore.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
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20
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Yang Y, Xu Z, Zheng H, Song J, Wu Y, Tong Z, Yuan J, Wong G, Liu WJ, Bi Y, Liu Y, Gao GF. Genetic and Phylogenetic Characterization of a Chikungunya Virus Imported into Shenzhen, China. Virol Sin 2019; 35:115-119. [PMID: 31637634 DOI: 10.1007/s12250-019-00166-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 08/23/2019] [Indexed: 10/25/2022] Open
Affiliation(s)
- Yang Yang
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China.,CAS Key Laboratory of Pathogenic Microbiology and Immunology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Institute of Microbiology, Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, 100101, China
| | - Zhixiang Xu
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China
| | - Haixia Zheng
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China
| | - Jingdong Song
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing, 102206, China
| | - Ying Wu
- Institute of Medical Virology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China
| | - Zhou Tong
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China.,CAS Key Laboratory of Pathogenic Microbiology and Immunology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Institute of Microbiology, Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, 100101, China
| | - Jing Yuan
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China
| | - Gary Wong
- Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, 200031, China.,Département de Microbiologie-Infectiologie et d'Immunologie, Université Laval, Quebec, G1V 0A6, Canada
| | - William J Liu
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing, 102206, China
| | - Yuhai Bi
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China.,CAS Key Laboratory of Pathogenic Microbiology and Immunology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Institute of Microbiology, Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, 100101, China
| | - Yingxia Liu
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China. .,University of Chinese Academy of Sciences Medical School, Chinese Academy of Sciences, Beijing, 101408, China.
| | - George F Gao
- Shenzhen Key Laboratory of Pathogen and Immunity, Guangdong Key Laboratory for Diagnosis and Treatment of Emerging Infectious Diseases, State Key Discipline of Infectious Disease, Second Hospital Affiliated to Southern University of Science and Technology, Shenzhen Third People's Hospital, Shenzhen, 518112, China. .,CAS Key Laboratory of Pathogenic Microbiology and Immunology, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Disease, Institute of Microbiology, Center for Influenza Research and Early-warning (CASCIRE), Chinese Academy of Sciences, Beijing, 100101, China. .,National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), Beijing, 102206, China. .,University of Chinese Academy of Sciences Medical School, Chinese Academy of Sciences, Beijing, 101408, China.
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21
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Agrawal M, Pandey N, Rastogi M, Dogra S, Singh SK. Chikungunya virus modulates the miRNA expression patterns in human synovial fibroblasts. J Med Virol 2019; 92:139-148. [PMID: 31483508 DOI: 10.1002/jmv.25588] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 08/28/2019] [Indexed: 01/04/2023]
Abstract
Chikungunya virus (CHIKV) is an alphavirus transmitted by mosquitoes. CHIKV infection leads to polyarthritis and polyarthralgia among patients. The synovial fibroblasts are the primary target for CHIKV. The microRNAs (miRNAs) are the small endogenous noncoding RNAs which posttranscriptionally regulate the expression of genes by binding to their target messenger RNAs (mRNAs) through their 3'-untranslated regions. The miRNAs are the key regulators for various pathological processes including viral infection, cancer, cardiovascular disease, and neurodegeneration. This study was designed to dissect out the roles of miRNAs during CHIKV (Ross Strain E1: A226V) infection in primary human synovial fibroblasts. The miRNA microarray profiling was performed on the primary human synovial fibroblasts infected by CHIKV. The gene target prediction analysis, enrichment, and network analysis were performed by various bioinformatics analyses. The subset of 26 differentially expressed microRNAs (DEMs) were identified through microarray profiling and were further screened for gene predictions, Gene Ontology, pathway enrichment, and miRNA-mRNA network using various bioinformatics tools. The bioinformatics analysis indicates the role of DEMs by suppressing the immune response which may contribute to CHIKV persistence in human primary synovial fibroblasts. Our study provides the plausible roles of DEMs, miRNAs, and mRNA interactions and pathways involved in the molecular pathogenesis of CHIKV.
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Affiliation(s)
- Meghna Agrawal
- Molecular Biology Unit, Institute of Medical Sciences, Banaras Hindu University (BHU), Varanasi, India
| | - Neha Pandey
- Molecular Biology Unit, Institute of Medical Sciences, Banaras Hindu University (BHU), Varanasi, India
| | - Meghana Rastogi
- Molecular Biology Unit, Institute of Medical Sciences, Banaras Hindu University (BHU), Varanasi, India
| | - Smriti Dogra
- Molecular Biology Unit, Institute of Medical Sciences, Banaras Hindu University (BHU), Varanasi, India
| | - Sunit K Singh
- Molecular Biology Unit, Institute of Medical Sciences, Banaras Hindu University (BHU), Varanasi, India
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22
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Wichit S, Hamel R, Yainoy S, Gumpangseth N, Panich S, Phuadraksa T, Saetear P, Monteil A, Morales Vargas R, Missé D. Interferon-inducible protein (IFI) 16 regulates Chikungunya and Zika virus infection in human skin fibroblasts. EXCLI JOURNAL 2019; 18:467-476. [PMID: 31423125 PMCID: PMC6694701 DOI: 10.17179/excli2019-1271] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 06/25/2019] [Indexed: 12/12/2022]
Abstract
Chikungunya virus (CHIKV), a re-emerging infectious arbovirus, causes Chikungunya fever that is characterized by fever, skin rash, joint pain, arthralgia and occasionally death. Despite it has been described for 66 years already, neither potential vaccine nor a specific drug is available yet. During CHIKV infection, interferon type I signaling pathway is stimulated and releases hundreds of interferon stimulated genes (ISGs). Our previous study reported that IFI16, a member of ISGs, is up-regulated during CHIKV virus infection and the suppression of the gene resulted in increased virus replication. Furthermore, our group also found that inflammasome activation can inhibit CHIKV infection in human foreskin cells (HFF1). Concomitantly, it has been reported that IFI16 activates the inflammasome to suppress virus infection. Therefore, we have hypothesized that IFI16 could be involved in CHIKV infection. In this study, we confirmed the expression level of IFI16 by Western blotting analysis and found that IFI16 was up-regulated following CHIKV infection in both HFF1 and human embryonic kidney cells. We next investigated its antiviral activity and found that forced expression of IFI16 completely restricted CHIKV infection while endogenous silencing of the gene markedly increased virus replication. Furthermore, we have discovered that IFI16 inhibited CHIKV replication, at least, in cell-to-cell transmission as well as the diffusion step. Interestingly, IFI16 also exerted its antiviral activity against Zika virus (ZIKV) infection, the global threat re-emerging virus can cause microcephaly in humans. Taken together, this study provides the first evidence of an antivirus activity of IFI16 during in vitro arbovirus infection, thus expanding its antiviral spectrum that paves the way to further development of antiviral drugs and vaccines.
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Affiliation(s)
- Sineewanlaya Wichit
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Rodolphe Hamel
- Laboratoire MIVEGEC, IRD-CNRS-University of Montpellier, 34000, Montpellier, France.,Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand
| | - Sakda Yainoy
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Nuttamonpat Gumpangseth
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Suchawadee Panich
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Thanawat Phuadraksa
- Department of Clinical Microbiology and Applied Technology, Faculty of Medical Technology, Mahidol University, Nakhon Pathom, 73170, Thailand
| | - Phoonthawee Saetear
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand
| | - Arnaud Monteil
- Plateforme de Vectorologie, BioCampus, Univ. Montpellier, CNRS, INSERM, 34094, Montpellier, France
| | - Ronald Morales Vargas
- Department of Medical Entomology, Faculty of Tropical Medicine, Mahidol University, Bangkok, 10400, Thailand
| | - Dorothée Missé
- Laboratoire MIVEGEC, IRD-CNRS-University of Montpellier, 34000, Montpellier, France
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23
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Matusali G, Colavita F, Bordi L, Lalle E, Ippolito G, Capobianchi MR, Castilletti C. Tropism of the Chikungunya Virus. Viruses 2019; 11:v11020175. [PMID: 30791607 PMCID: PMC6410217 DOI: 10.3390/v11020175] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 02/16/2019] [Accepted: 02/17/2019] [Indexed: 12/12/2022] Open
Abstract
Chikungunya virus (CHIKV) is a re-emerging mosquito-borne virus that displays a large cell and organ tropism, and causes a broad range of clinical symptoms in humans. It is maintained in nature through both urban and sylvatic cycles, involving mosquito vectors and human or vertebrate animal hosts. Although CHIKV was first isolated in 1953, its pathogenesis was only more extensively studied after its re-emergence in 2004. The unexpected spread of CHIKV to novel tropical and non-tropical areas, in some instances driven by newly competent vectors, evidenced the vulnerability of new territories to this infectious agent and its associated diseases. The comprehension of the exact CHIKV target cells and organs, mechanisms of pathogenesis, and spectrum of both competitive vectors and animal hosts is pivotal for the design of effective therapeutic strategies, vector control measures, and eradication actions.
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Affiliation(s)
- Giulia Matusali
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
| | - Francesca Colavita
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
| | - Licia Bordi
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
| | - Eleonora Lalle
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
| | - Giuseppe Ippolito
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
| | - Maria R Capobianchi
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
| | - Concetta Castilletti
- National Institute for Infectious Diseases "Lazzaro Spallanzani" IRCCS, 00149 Rome, Italy.
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24
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Elaiw AM, Alade TO, Alsulami SM. Analysis of latent CHIKV dynamics models with general incidence rate and time delays. JOURNAL OF BIOLOGICAL DYNAMICS 2018; 12:700-730. [PMID: 30067144 DOI: 10.1080/17513758.2018.1503349] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Accepted: 07/17/2018] [Indexed: 06/08/2023]
Abstract
In this paper, we study the stability analysis of latent Chikungunya virus (CHIKV) dynamics models. The incidence rate between the CHIKV and the uninfected monocytes is modelled by a general nonlinear function which satisfies a set of conditions. The model is incorporated by intracellular discrete or distributed time delays. Using the method of Lyapunov function, we established the global stability of the steady states of the models. The theoretical results are confirmed by numerical simulations.
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Affiliation(s)
- Ahmed M Elaiw
- a Department of Mathematics, Faculty of Science , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Taofeek O Alade
- a Department of Mathematics, Faculty of Science , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Saud M Alsulami
- a Department of Mathematics, Faculty of Science , King Abdulaziz University , Jeddah , Saudi Arabia
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25
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Multimodal assessments of Zika virus immune pathophysiological responses in marmosets. Sci Rep 2018; 8:17125. [PMID: 30459473 PMCID: PMC6244230 DOI: 10.1038/s41598-018-35481-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 11/06/2018] [Indexed: 11/09/2022] Open
Abstract
Animal models that recapitulate the human pathophysiology have been developed as useful research tools. Although laboratory mice are widely used, they are phylogenetically “distant” to humans. New world monkeys, such as the common marmoset (Callithrix jacchus) have steadily gained prominence. In this report, marmosets are explored as an alternate in vivo model to investigate infection and immunity of Zika virus (ZIKV). Multimodal platforms, including ultrasound and magnetic resonance imaging (MRI), flow cytometry, and multiplex microbead immunoassays were established to comprehensively decipher immune responses and pathophysiological outcomes. While ZIKV-infected marmosets had detectable ZIKV RNA load in various body fluids, animals did not develop any observable lesions in their testes and brains as shown by ultrasound and MRI. Immune-phenotyping detected differences in the numbers of B cells, CD8+ T cells and HLADR+ NK cells during the first two weeks of infection. Neutralizing ZIKV-specific antibodies were elicited to high levels and targeted epitopes in the E protein. This study presents a one-stop-shop platform to study infection and pathophysiology in marmosets. While marmoset-specific research tools are being refined, the research values of these animals present them as a good model for immune-based therapies.
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26
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de Souza TMA, Ribeiro ED, Corrêa VCE, Damasco PV, Santos CC, de Bruycker-Nogueira F, Chouin-Carneiro T, Faria NRDC, Nunes PCG, Heringer M, Lima MDRQ, Badolato-Corrêa J, Cipitelli MDC, Azeredo ELD, Nogueira RMR, Dos Santos FB. Following in the Footsteps of the Chikungunya Virus in Brazil: The First Autochthonous Cases in Amapá in 2014 and Its Emergence in Rio de Janeiro during 2016. Viruses 2018; 10:v10110623. [PMID: 30424530 PMCID: PMC6266966 DOI: 10.3390/v10110623] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 10/30/2018] [Accepted: 11/02/2018] [Indexed: 12/19/2022] Open
Abstract
Currently, Brazil lives a triple arboviruses epidemic (DENV, ZIKV and CHIKV) making the differential diagnosis difficult for health professionals. Here, we aimed to investigate chikungunya cases and the possible occurrence of co-infections during the epidemic in Amapá (AP) that started in 2014 when the first autochthonous cases were reported and in Rio de Janeiro (RJ) in 2016. We further performed molecular characterization and genotyping of representative strains. In AP, 51.4% of the suspected cases were confirmed for CHIKV, 71.0% (76/107). Of those, 24 co-infections by CHIKV/DENV, two by CHIKV/DENV-1, and two by CHIKV/DENV-4 were observed. In RJ, 76.9% of the suspected cases were confirmed for CHIKV and co-infections by CHIKV/DENV (n = 8) and by CHIKV/ZIKV (n = 17) were observed. Overall, fever, arthralgia, myalgia, prostration, edema, exanthema, conjunctival hyperemia, lower back pain, dizziness, nausea, retroorbital pain, and anorexia were the predominating chikungunya clinical symptoms described. All strains analyzed from AP belonged to the Asian genotype and no amino acid changes were observed. In RJ, the East-Central-South-African genotype (ECSA) circulation was demonstrated and no E1-A226V mutation was observed. Despite this, an E1-V156A substitution was characterized in two samples and for the first time, the E1-K211T mutation was reported in all samples analyzed.
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Affiliation(s)
| | | | | | - Paulo Vieira Damasco
- Rio-Laranjeiras Hospital, 22240-000 Rio de Janeiro, Brazil.
- Gaffrée Guinle University Hospital, Federal University of the State of Rio de Janeiro, 20270-003 Rio de Janeiro, Brazil.
- Pedro Ernesto University Hospital, University of the State of Rio de Janeiro, 20551-030 Rio de Janeiro, Brazil.
| | | | | | - Thaís Chouin-Carneiro
- Viral Immunology Laboratory, Oswaldo Cruz Institute, 21040-360 Rio de Janeiro, Brazil.
| | | | | | - Manoela Heringer
- Viral Immunology Laboratory, Oswaldo Cruz Institute, 21040-360 Rio de Janeiro, Brazil.
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27
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Tanabe ISB, Tanabe ELL, Santos EC, Martins WV, Araújo IMTC, Cavalcante MCA, Lima ARV, Câmara NOS, Anderson L, Yunusov D, Bassi ÊJ. Cellular and Molecular Immune Response to Chikungunya Virus Infection. Front Cell Infect Microbiol 2018; 8:345. [PMID: 30364124 PMCID: PMC6191487 DOI: 10.3389/fcimb.2018.00345] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Accepted: 09/11/2018] [Indexed: 11/13/2022] Open
Abstract
Chikungunya virus (CHIKV) is a re-emergent arthropod-borne virus (arbovirus) that causes a disease characterized primarily by fever, rash and severe persistent polyarthralgia. In the last decade, CHIKV has become a serious public health problem causing several outbreaks around the world. Despite the fact that CHIKV has been around since 1952, our knowledge about immunopathology, innate and adaptive immune response involved in this infectious disease is incomplete. In this review, we provide an updated summary of the current knowledge about immune response to CHIKV and about soluble immunological markers associated with the morbidity, prognosis and chronicity of this arbovirus disease. In addition, we discuss the progress in the research of new vaccines for preventing CHIKV infection and the use of monoclonal antibodies as a promising therapeutic strategy.
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Affiliation(s)
- Ithallo S B Tanabe
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Eloiza L L Tanabe
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Elane C Santos
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Wanessa V Martins
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Isadora M T C Araújo
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Maria C A Cavalcante
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Ana R V Lima
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
| | - Niels O S Câmara
- Laboratório de Imunobiologia dos Transplantes, Departamento de Imunologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, São Paulo, Brazil
| | - Leticia Anderson
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil.,Centro Universitário CESMAC, Maceió, Brazil
| | - Dinar Yunusov
- Cold Spring Harbor Laboratory, Genome Research Center, Woodbury, NY, United States
| | - Ênio J Bassi
- IMUNOREG-Grupo de Pesquisa em Regulação da Resposta Imune, Laboratório de Pesquisas em Virologia e Imunologia, Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, Brazil
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28
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Paniz-Mondolfi AE, Blohm GM, Hernandez-Perez M, Larrazabal A, Moya D, Marquez M, Talamo A, Carrillo A, Rothe de Arocha J, Lednicky J, Morris JG. Cutaneous features of Zika virus infection: a clinicopathological overview. Clin Exp Dermatol 2018; 44:13-19. [PMID: 30267436 DOI: 10.1111/ced.13793] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/13/2018] [Indexed: 12/19/2022]
Abstract
Zika virus (ZIKV) is an emerging mosquito-borne flavivirus transmitted mainly by Aedes species of mosquitos. Although the infection is usually mild and self-limiting, it is emerging as a public health challenge in tropical and subtropical countries owing to its unprecedented pathogenicity and increased risk for fetal malformations and neurological symptoms. Cutaneous manifestations as for other mosquito-borne viruses remain a hallmark of the disease. This article provides a detailed overview on ZIKV infection, including its varied cutaneous clinical manifestations and diagnostic aspects, and also provides detailed insights into its pathogenesis in human skin.
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Affiliation(s)
- A E Paniz-Mondolfi
- Department of Infectious Diseases and Tropical Medicine, Clínica IDB Cabudare, Instituto de Investigaciones Biomédicas IDB, Barquisimeto, Lara, Venezuela.,Instituto Venezolano de los Seguros Sociales (IVSS), Department of Health, Caracas, Venezuela
| | - G M Blohm
- Department of Biology, College of Liberal Arts and Sciences, University of Florida, Gainesville, FL, USA
| | - M Hernandez-Perez
- Department of Dermatopathology, Miraca Life Sciences Research Institute/Tufts Medical Center, Boston, MA, USA
| | - A Larrazabal
- Department of Infectious Diseases and Tropical Medicine, Clínica IDB Cabudare, Instituto de Investigaciones Biomédicas IDB, Barquisimeto, Lara, Venezuela.,Infectious Diseases Research Branch-Venezuelan Science and the Zoonosis and Emerging Pathogens Regional Collaborative Network, Arboviral Diseases Branch, Barquisimeto, Lara, Venezuela
| | - D Moya
- Department of Infectious Diseases and Tropical Medicine, Clínica IDB Cabudare, Instituto de Investigaciones Biomédicas IDB, Barquisimeto, Lara, Venezuela.,Infectious Diseases Research Branch-Venezuelan Science and the Zoonosis and Emerging Pathogens Regional Collaborative Network, Arboviral Diseases Branch, Barquisimeto, Lara, Venezuela
| | - M Marquez
- Infectious Diseases Research Branch-Venezuelan Science and the Zoonosis and Emerging Pathogens Regional Collaborative Network, Arboviral Diseases Branch, Barquisimeto, Lara, Venezuela.,Health Sciences Department, College of Medicine, Universidad Centroccidental Lisandro Alvarado, Barquisimeto, Lara, Venezuela
| | - A Talamo
- Infectious Diseases Research Branch-Venezuelan Science and the Zoonosis and Emerging Pathogens Regional Collaborative Network, Arboviral Diseases Branch, Barquisimeto, Lara, Venezuela.,Health Sciences Department, College of Medicine, Universidad Centroccidental Lisandro Alvarado, Barquisimeto, Lara, Venezuela
| | - A Carrillo
- Department of Infectious Diseases and Tropical Medicine, Clínica IDB Cabudare, Instituto de Investigaciones Biomédicas IDB, Barquisimeto, Lara, Venezuela.,Infectious Diseases Research Branch-Venezuelan Science and the Zoonosis and Emerging Pathogens Regional Collaborative Network, Arboviral Diseases Branch, Barquisimeto, Lara, Venezuela.,Health Sciences Department, College of Medicine, Universidad Nacional Experimental 'Francisco de Miranda', Punto Fijo, Falcon, Venezuela
| | - J Rothe de Arocha
- Sociedad Anticancerosa del Estado Lara, Barquisimeto, Lara, Venezuela.,Psoriasis Unit, Hospital Central Antonio Maria Pineda, Barquisimeto, Lara, Venezuela
| | - J Lednicky
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA.,Department of Environmental and Global Health, College of Public Health and Health Professions, University of Florida, Gainesville, FL, USA
| | - J G Morris
- Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA.,Division of Infectious Diseases and Global Health, Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
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29
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Michlmayr D, Pak TR, Rahman AH, Amir EAD, Kim EY, Kim-Schulze S, Suprun M, Stewart MG, Thomas GP, Balmaseda A, Wang L, Zhu J, Suaréz-Fariñas M, Wolinsky SM, Kasarskis A, Harris E. Comprehensive innate immune profiling of chikungunya virus infection in pediatric cases. Mol Syst Biol 2018; 14:e7862. [PMID: 30150281 PMCID: PMC6110311 DOI: 10.15252/msb.20177862] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 05/31/2018] [Accepted: 06/29/2018] [Indexed: 12/11/2022] Open
Abstract
Chikungunya virus (CHIKV) is a mosquito-borne alphavirus that causes global epidemics of debilitating disease worldwide. To gain functional insight into the host cellular genes required for virus infection, we performed whole-blood RNA-seq, 37-plex mass cytometry of peripheral blood mononuclear cells (PBMCs), and serum cytokine measurements of acute- and convalescent-phase samples obtained from 42 children naturally infected with CHIKV Semi-supervised classification and clustering of single-cell events into 57 sub-communities of canonical leukocyte phenotypes revealed a monocyte-driven response to acute infection, with the greatest expansions in "intermediate" CD14++CD16+ monocytes and an activated subpopulation of CD14+ monocytes. Increases in acute-phase CHIKV envelope protein E2 expression were highest for monocytes and dendritic cells. Serum cytokine measurements confirmed significant acute-phase upregulation of monocyte chemoattractants. Distinct transcriptomic signatures were associated with infection timepoint, as well as convalescent-phase anti-CHIKV antibody titer, acute-phase viremia, and symptom severity. We present a multiscale network that summarizes all observed modulations across cellular and transcriptomic levels and their interactions with clinical outcomes, providing a uniquely global view of the biomolecular landscape of human CHIKV infection.
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Affiliation(s)
- Daniela Michlmayr
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California Berkeley, Berkeley, CA, USA
| | - Theodore R Pak
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Adeeb H Rahman
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - El-Ad David Amir
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Eun-Young Kim
- Division of Infectious Diseases, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Seunghee Kim-Schulze
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Human Immune Monitoring Center, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Maria Suprun
- Department of Population Health and Science Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Michael G Stewart
- Division of Infectious Diseases, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Guajira P Thomas
- Division of Infectious Diseases, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Angel Balmaseda
- Laboratorio Nacional de Virología, Centro Nacional de Diagnóstico y Referencia, Ministerio de Salud, Managua, Nicaragua
| | - Li Wang
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jun Zhu
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Mayte Suaréz-Fariñas
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Population Health and Science Policy, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Steven M Wolinsky
- Division of Infectious Diseases, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Andrew Kasarskis
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Eva Harris
- Division of Infectious Diseases and Vaccinology, School of Public Health, University of California Berkeley, Berkeley, CA, USA
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30
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Global Stability of Within-Host Virus Dynamics Models with Multitarget Cells. MATHEMATICS 2018. [DOI: 10.3390/math6070118] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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31
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Moizéis RNC, Fernandes TAADM, Guedes PMDM, Pereira HWB, Lanza DCF, de Azevedo JWV, Galvão JMDA, Fernandes JV. Chikungunya fever: a threat to global public health. Pathog Glob Health 2018; 112:182-194. [PMID: 29806537 PMCID: PMC6147074 DOI: 10.1080/20477724.2018.1478777] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Chikungunya fever is an emerging arbovirus infection, representing a serious public health problem. Its etiological agent is the Chikungunya virus (CHIKV). Transmission of this virus is mainly vector by mosquitoes of the genus Aedes, although transmission by blood transfusions and vertical transmission has also been reported. The disease presents high morbidity caused mainly by the arthralgia and arthritis generated. Cardiovascular and neurological manifestations have also been reported. The severity of the infection seems to be directly associated with the action of the virus, but also with the decompensation of preexisting comorbidities. Currently, there are no therapeutic products neither vaccines licensed to the infection CHIKV control, although several vaccine candidates are being evaluated and human polyvalent immunoglobulins anti-CHIKV had been tested. Antibodies can protect against the infection, but in sub-neutralizing concentrations can augment virus infection and exacerbate disease severity. So, the prevention still depends on the use of personal protection measures and vector control, which are only minimally effective.
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Affiliation(s)
- Raíza Nara Cunha Moizéis
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | | | - Paulo Marcos da Matta Guedes
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal do Rio Grande do Norte, Natal, Brazil
- Departamento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | | | | | | | - Josélio Maria de Araújo Galvão
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal do Rio Grande do Norte, Natal, Brazil
- Departamento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
| | - José Veríssimo Fernandes
- Programa de Pós-Graduação em Biologia Parasitária, Universidade Federal do Rio Grande do Norte, Natal, Brazil
- Departamento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, Brazil
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32
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Gómez-SanJuan A, Gamo AM, Delang L, Pérez-Sánchez A, Amrun SN, Abdelnabi R, Jacobs S, Priego EM, Camarasa MJ, Jochmans D, Leyssen P, Ng LFP, Querat G, Neyts J, Pérez-Pérez MJ. Inhibition of the Replication of Different Strains of Chikungunya Virus by 3-Aryl-[1,2,3]triazolo[4,5- d]pyrimidin-7(6 H)-ones. ACS Infect Dis 2018; 4:605-619. [PMID: 29406692 DOI: 10.1021/acsinfecdis.7b00219] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The re-emergence of chikungunya virus (CHIKV) is a serious global health threat. CHIKV is an alphavirus that is transmitted to humans by Aedes mosquitoes; therefore, their wide distribution significantly contributes to the globalization of the disease. Unfortunately, no effective antiviral drugs are available. We have identified a series of 3-aryl-[1,2,3]triazolo[4,5- d]pyrimidin-7(6 H)-ones as selective inhibitors of CHIKV replication. New series of compounds have now been synthesized with the aim to improve their physicochemical properties and to potentiate the inhibitory activity against different CHIKV strains. Among these newly synthesized compounds modified at position 3 of the aryl ring, tetrahydropyranyl and N- t-butylpiperidine carboxamide derivatives have shown to elicit potent antiviral activity against different clinically relevant CHIKV isolates with 50% effective concentration (EC50) values ranging from 0.30 to 4.5 μM in Vero cells, as well as anti-CHIKV activity in human skin fibroblasts (EC50 = 0.1 μM), a clinically relevant cell system for CHIKV infection.
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Affiliation(s)
- Asier Gómez-SanJuan
- Instituto de Química Médica, IQM, CSIC, Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Ana-María Gamo
- Instituto de Química Médica, IQM, CSIC, Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Leen Delang
- KU Leuven−University
of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | | | - Siti Naqiah Amrun
- Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, 04-06 Immunos, Singapore 138648, Singapore
| | - Rana Abdelnabi
- KU Leuven−University
of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | - Sofie Jacobs
- KU Leuven−University
of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | - Eva-María Priego
- Instituto de Química Médica, IQM, CSIC, Juan de la Cierva 3, E-28006 Madrid, Spain
| | - María-José Camarasa
- Instituto de Química Médica, IQM, CSIC, Juan de la Cierva 3, E-28006 Madrid, Spain
| | - Dirk Jochmans
- KU Leuven−University
of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | - Pieter Leyssen
- KU Leuven−University
of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
| | - Lisa F. P. Ng
- Singapore Immunology Network, Agency for Science, Technology and Research (A*STAR), 8A Biomedical Grove, 04-06 Immunos, Singapore 138648, Singapore
| | - Gilles Querat
- UMR “Émergence des Pathologies Virales” (EPV: Aix-Marseille Univ−IRD 190−Inserm 1207−EHESP−IHU Méditerranée Infection), 27 Bd Jean Moulin, 13005 Marseille, France
| | - Johan Neyts
- KU Leuven−University
of Leuven, Department of Microbiology and Immunology, Rega Institute for Medical Research, Laboratory of Virology and Chemotherapy, B-3000 Leuven, Belgium
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Leao JC, Marques C, Duarte A, de Almeida OP, Porter S, Gueiros LA. Chikungunya fever: General and oral healthcare implications. Oral Dis 2018; 24:233-237. [PMID: 29480628 DOI: 10.1111/odi.12777] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 08/20/2017] [Indexed: 12/11/2022]
Abstract
Chikungunya virus (CHIKV) was first isolated in humans in 1952, following an epidemic in Tanzania. The origin of the name means "to bend forward or become contorted," in reference to the posture adopted by patients due to the joint pain that occurs during the infection. Epidemiology data suggest that by the end of 2015, about 1.6 million people had been infected with CHIKV. The acute period of the disease is characterized by high fever, myalgia, joint pain, and severe and disabling polyarthritis, sometimes accompanied by headache, backache, and maculopapular rash, predominantly on the thorax. Around half of the patients will progress to the subacute and chronic phases, that is manifested by persistent polyarthritis/polyarthralgia, accompanied by morning stiffness and fatigue, which could remain for years. Oral features may include gingivitis possibly as a consequence of arthralgia of the hands leading to limited oral health measures as well as burning sensation and oral mucosal ulceration. Treatment in the acute phase includes acetaminophen, and weak opioids (tramadol or codeine) should be used in cases of severe or refractory pain. For patients who have progressed to the subacute stage and who have not had notable benefit from common analgesics or opioids, NSAIDs, or adjunctive pain medications (anticonvulsants or antidepressants) may be of benefit. In patients with moderate-to-severe musculoskeletal pain or in those who cannot be given or tolerate NSIADs or opiates, prednisolone should be prescribed.
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Affiliation(s)
- J C Leao
- Oral Medicine Unit, Departamento de Clínica e Odontologia Preventiva, Universidade Federal de Pernambuco, Recife, Brazil
| | - Cdl Marques
- Rheumatology Unit, Hospital das Clínicas, Universidade Federal de Pernambuco, Recife, Brazil
| | - Albp Duarte
- Rheumatology Unit, Hospital das Clínicas, Universidade Federal de Pernambuco, Recife, Brazil
| | - O P de Almeida
- Área de Patologia, Departamento de Diagnóstico Oral, Facldade de Odontologia de Piracicaba, Universidade Estadual de Campinas, Piracicaba, Brazil
| | - S Porter
- UCL Eastman Dental Institute, Oral Theme of the UCL/UCLH NIHR Biomedical Research Centre, London, UK
| | - L A Gueiros
- Oral Medicine Unit, Departamento de Clínica e Odontologia Preventiva, Universidade Federal de Pernambuco, Recife, Brazil
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Ganesan VK, Duan B, Reid SP. Chikungunya Virus: Pathophysiology, Mechanism, and Modeling. Viruses 2017; 9:v9120368. [PMID: 29194359 PMCID: PMC5744143 DOI: 10.3390/v9120368] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2017] [Revised: 11/21/2017] [Accepted: 11/23/2017] [Indexed: 12/15/2022] Open
Abstract
Chikungunya virus (CHIKV), a mosquito-transmitted alphavirus, is recurring in epidemic waves. In the past decade and a half, the disease has resurged in several countries around the globe, with outbreaks becoming increasingly severe. Though CHIKV was first isolated in 1952, there remain significant gaps in knowledge of CHIKV biology, pathogenesis, transmission, and mechanism. Diagnosis is largely simplified and based on symptoms, while treatment is supportive rather than curative. Here we present an overview of the disease, the challenges that lie ahead for future research, and what directions current studies are headed towards, with emphasis on improvement of current animal models and potential use of 3D models.
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Affiliation(s)
- Vaishnavi K Ganesan
- Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA.
| | - Bin Duan
- Mary & Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE 68198, USA.
- Division of Cardiology, Department of Internal Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA.
- Department of Surgery, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA.
| | - St Patrick Reid
- Department of Pathology and Microbiology, College of Medicine, University of Nebraska Medical Center, Omaha, NE 68198, USA.
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Priya SP, Sakinah S, Sharmilah K, Hamat RA, Sekawi Z, Higuchi A, Ling MP, Nordin SA, Benelli G, Kumar SS. Leptospirosis: Molecular trial path and immunopathogenesis correlated with dengue, malaria and mimetic hemorrhagic infections. Acta Trop 2017; 176:206-223. [PMID: 28823908 DOI: 10.1016/j.actatropica.2017.08.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Revised: 08/03/2017] [Accepted: 08/04/2017] [Indexed: 12/12/2022]
Abstract
Immuno-pathogenesis of leptospirosis can be recounted well by following its trail path from entry to exit, while inducing disastrous damages in various tissues of the host. Dysregulated, inappropriate and excessive immune responses are unanimously blamed in fatal leptospirosis. The inherent abilities of the pathogen and inabilities of the host were debated targeting the severity of the disease. Hemorrhagic manifestation through various mechanisms leading to a fatal end is observed when this disease is unattended. The similar vascular destructions and hemorrhage manifestations are noted in infections with different microbes in endemic areas. The simultaneous infection in a host with more than one pathogen or parasite is referred as the coinfection. Notably, common endemic infections such as leptospirosis, dengue, chikungunya, and malaria, harbor favorable environments to flourish in similar climates, which is aggregated with stagnated water and aggravated with the poor personal and environmental hygiene of the inhabitants. These factors aid the spread of pathogens and parasites to humans and potential vectors, eventually leading to outbreaks of public health relevance. Malaria, dengue and chikungunya need mosquitoes as vectors, in contrast with leptospirosis, which directly invades human, although the environmental bacterial load is maintained through other mammals, such as rodents. The more complicating issue is that infections by different pathogens exhibiting similar symptoms but require different treatment management. The current review explores different pathogens expressing specific surface proteins and their ability to bind with array of host proteins with or without immune response to enter into the host tissues and their ability to evade the host immune responses to invade and their affinity to certain tissues leading to the common squeal of hemorrhage. Furthermore, at the host level, the increased susceptibility and inability of the host to arrest the pathogens' and parasites' spread in different tissues, various cytokines accumulated to eradicate the microorganisms and their cellular interactions, the antibody dependent defense and the susceptibility of individual organs bringing the manifestation of the diseases were explored. Lastly, we provided a discussion on the immune trail path of pathogenesis from entry to exit to narrate the similarities and dissimilarities among various hemorrhagic fevers mentioned above, in order to outline future possibilities of prevention, diagnosis, and treatment of coinfections, with special reference to endemic areas.
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Wichit S, Diop F, Hamel R, Talignani L, Ferraris P, Cornelie S, Liegeois F, Thomas F, Yssel H, Missé D. Aedes Aegypti saliva enhances chikungunya virus replication in human skin fibroblasts via inhibition of the type I interferon signaling pathway. INFECTION GENETICS AND EVOLUTION 2017; 55:68-70. [DOI: 10.1016/j.meegid.2017.08.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2017] [Revised: 08/23/2017] [Accepted: 08/24/2017] [Indexed: 12/31/2022]
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da Cunha RV, Trinta KS. Chikungunya virus: clinical aspects and treatment - A Review. Mem Inst Oswaldo Cruz 2017; 112:523-531. [PMID: 28767976 PMCID: PMC5530543 DOI: 10.1590/0074-02760170044] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 04/27/2017] [Indexed: 11/21/2022] Open
Abstract
Chikungunya is a severe and debilitating disease. Currently, Brazil is experiencing an epidemic caused by three arboviruses, which has changed the way health professionals have diagnosed and treated infected patients. The difficulty of diagnosis and the lack of a protocol for patient treatment, which fits Brazilian health system models, have made it difficult to manage this disease. It is necessary to implement a multidisciplinary network of patient care, in which primary care units play the main role. This review aims to present current information regarding the clinical aspects and treatment of Chikungunya virus infection.
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Affiliation(s)
- Rivaldo V da Cunha
- Fundação Oswaldo Cruz, Campo Grande, MS, Brasil
- Universidade Federal do Mato Grosso do Sul, Faculdade de Medicina, Campo Grande, MS, Brasil
| | - Karen S Trinta
- Fundação Oswaldo Cruz, Bio-Manguinhos, Rio de Janeiro, RJ, Brasil
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Recommendations of the Brazilian Society of Rheumatology for diagnosis and treatment of Chikungunya fever. Part 1 - Diagnosis and special situations. REVISTA BRASILEIRA DE REUMATOLOGIA 2017; 57 Suppl 2:421-437. [PMID: 28751131 DOI: 10.1016/j.rbre.2017.05.006] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 05/22/2017] [Indexed: 01/26/2023] Open
Abstract
Chikungunya fever has become a relevant public health problem in countries where epidemics occur. Until 2013, only imported cases occurred in the Americas, but in October of that year, the first cases were reported in Saint Marin island in the Caribbean. The first autochthonous cases were confirmed in Brazil in September 2014; until epidemiological week 37 of 2016, 236,287 probable cases of infection with Chikungunya virus had been registered, 116,523 of which had serological confirmation. Environmental changes caused by humans, disorderly urban growth and an ever-increasing number of international travelers were described as the factors responsible for the emergence of large-scale epidemics. Clinically characterized by fever and joint pain in the acute stage, approximately half of patients progress to the chronic stage (beyond 3 months), which is accompanied by persistent and disabling pain. The aim of the present study was to formulate recommendations for the diagnosis and treatment of Chikungunya fever in Brazil. A literature review was performed in the MEDLINE, SciELO and PubMed databases to ground the decisions for recommendations. The degree of concordance among experts was established through the Delphi method, involving 2 in-person meetings and several online voting rounds. In total, 25 recommendations were formulated and divided into 3 thematic groups: (1) clinical, laboratory and imaging diagnosis; (2) special situations; and (3) treatment. The first 2 themes are presented in part 1, and treatment is presented in part 2.
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Development of a Novel Virus-Like Particle Vaccine Platform That Mimics the Immature Form of Alphavirus. CLINICAL AND VACCINE IMMUNOLOGY : CVI 2017; 24:CVI.00090-17. [PMID: 28515133 PMCID: PMC5498722 DOI: 10.1128/cvi.00090-17] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 05/04/2017] [Indexed: 12/27/2022]
Abstract
Virus-like particles (VLPs) are noninfectious multiprotein structures that are engineered to self-assemble from viral structural proteins. Here, we developed a novel VLP-based vaccine platform utilizing VLPs from the chikungunya virus. We identified two regions within the envelope protein, a structural component of chikungunya, where foreign antigens can be inserted without compromising VLP structure. Our VLP displays 480 copious copies of an inserted antigen on the VLP surface in a highly symmetric manner and is thus capable of inducing strong immune responses against any inserted antigen. Furthermore, by mimicking the structure of the immature form of the virus, we altered our VLP's in vivo dynamics and enhanced its immunogenicity. We used the circumsporozoite protein (CSP) of the Plasmodium falciparum malaria parasite as an antigen and demonstrated that our VLP-based vaccine elicits strong immune responses against CSP in animals. The sera from immunized monkeys protected mice from malaria infection. Likewise, mice vaccinated with P. yoelii CSP-containing VLPs were protected from an infectious sporozoite challenge. Hence, our uniquely engineered VLP platform can serve as a blueprint for the development of vaccines against other pathogens and diseases.
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Pang CE, Navajas EV, Warner SJ, Heisler M, Sarunic MV. Acute Macular Neuroretinopathy Associated With Chikungunya Fever. Ophthalmic Surg Lasers Imaging Retina 2017; 47:596-9. [PMID: 27327293 DOI: 10.3928/23258160-20160601-15] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Accepted: 03/21/2016] [Indexed: 01/15/2023]
Abstract
A 47-year-old man with recent travel to the Caribbean was admitted with acute febrileillness associated with arthralgia and skin rash followed by sudden onset of bilateral visual field defects. Funduscopy revealed subtle bilateral paracentral dark lesions nasal to the fovea best seen on near infrared imaging as hyporeflective, wedge-shaped, paracentral macular lesions. Spectral-domain optical coherence tomography (SD-OCT) through the lesions revealed hyperreflective bands at the level of the outer plexiform layer and outer nuclear layer (ONL), with concomitant attenuation of the underlying external limiting membrane (ELM), ellipsoid zone (EZ), and interdigitation zone (IZ). Neither fluorescein angiography nor speckle variance OCT angiography (sv-OCTA) showed any defects in retinal circulation. Work up revealed positive Immunoglobulin M for Chikungunya virus (CHIKV). Six months later, the patient had persistent scotomas, although reduced in size. SD-OCT showed subtle ONL thinning and restoration of the ELM, although EZ and IZ remained disrupted. Chikungunya fever may manifest as bilateral acute macular neuroretinopathy (AMN). Clinicians should be aware of possible systemic associations of AMN. [Ophthalmic Surg Lasers Imaging Retina. 2016;47:596-599.].
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Abstract
Background: Chikungunya virus (CHIKV) is an arbovirus that causes an acute febrile syndrome with a severe and debilitating arthralgia. In Brazil, the Asian and East-Central South African (ECSA) genotypes are circulating in the north and northeast of the country, respectively. In 2015, the first autochthonous cases in Rio de Janeiro, Brazil were reported but until now the circulating strains have not been characterized. Therefore, we aimed here to perform the molecular characterization and phylogenetic analysis of CHIKV strains circulating in the 2016 outbreak occurred in the municipality of Rio de Janeiro. Methods: The cases analyzed in this study were collected at a private Hospital, from April 2016 to May 2016, during the chikungunya outbreak in Rio de Janeiro, Brazil. All cases were submitted to the Real Time RT-PCR for CHIKV genome detection and to anti-CHIKV IgM ELISA. Chikungunya infection was laboratorially confirmed by at least one diagnostic method and, randomly selected positive cases (n=10), were partially sequenced (CHIKV E1 gene) and analyzed. Results: The results showed that all the samples grouped in ECSA genotype branch and the molecular characterization of the fragment did not reveal the A226V mutation in the Rio de Janeiro strains analyzed, but a K211T amino acid substitution was observed for the first time in all samples and a V156A substitution in two of ten samples. Conclusions: Phylogenetic analysis and molecular characterization reveals the circulation of the ECSA genotype of CHIKV in the city of Rio de Janeiro, Brazil and two amino acids substitutions (K211T and V156A) exclusive to the CHIKV strains obtained during the 2016 epidemic, were reported.
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Marques CDL, Duarte ALBP, Ranzolin A, Dantas AT, Cavalcanti NG, Gonçalves RSG, Rocha Junior LFD, Valadares LDDA, Melo AKGD, Freire EAM, Teixeira R, Bezerra Neto FA, Medeiros MMDC, Carvalho JFD, Santos MSF, Océa RADLC, Levy RA, Andrade CAFD, Pinheiro GDRC, Abreu MM, Verztman JF, Merenlender S, Ribeiro SLE, Costa IPD, Pileggi G, Trevisani VFM, Lopes MIB, Brito C, Figueiredo E, Queiroga F, Feitosa T, Tenório ADS, Siqueira GRD, Paiva R, Vasconcelos JTS, Christopoulos G. Recomendações da Sociedade Brasileira de Reumatologia para diagnóstico e tratamento da febre chikungunya. Parte 1 – Diagnóstico e situações especiais. REVISTA BRASILEIRA DE REUMATOLOGIA 2017. [DOI: 10.1016/j.rbr.2017.05.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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Martínez-Pulgarín DF, Chowdhury FR, Villamil-Gomez WE, Rodriguez-Morales AJ, Blohm GM, Paniz-Mondolfi AE. Ophthalmologic aspects of chikungunya infection. Travel Med Infect Dis 2016; 14:451-457. [PMID: 27238905 DOI: 10.1016/j.tmaid.2016.05.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Revised: 05/05/2016] [Accepted: 05/17/2016] [Indexed: 12/29/2022]
Abstract
Chikungunya fever, a viral disease epidemic in some parts of the world is newly introduced in the Americas. This is of considerable international concern, with a growing incidence owing to developing urbanization, tourism, and trade. Ocular manifestations of chikungunya fever are not frequent, but of great relevance. Common manifestations include conjunctivitis, optic neuritis, iridocyclitis, episcleritis, retinitis and uveitis. Diagnostic and monitoring investigations would include optical coherence tomography, fundus fluorescein and indocyanine green angiography, visual field analysis, and electrophysiologic tests. There have been no prospective, randomized therapeutic trials, and it is unclear if the disease is self-limiting or if treatment is actually beneficial. Prognosis varies, ranging from full resolution to permanent vision loss despite intervention.
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Affiliation(s)
- Dayron F Martínez-Pulgarín
- Research Group and Incubator Public Health and Infection, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Risaralda, Colombia
| | - Fazle Rabbi Chowdhury
- Department of Medicine, Sylhet M. A. G. Osmani Medical College Hospital, Sylhet, Bangladesh
| | - Wilmer E Villamil-Gomez
- Infectious Diseases and Infection Control Research Group, Hospital Universitario de Sincelejo, Sincelejo, Sucre, Colombia; Programa del Doctorado de Medicina Tropical, Universidad de Cartagena, Cartagena, Universidad del Atlántico, Barranquilla, Colombia; Committee on Zoonoses and Haemorrhagic Fevers, Asociación Colombiana de Infectología (ACIN), Bogotá, DC, Colombia
| | - Alfonso J Rodriguez-Morales
- Research Group and Incubator Public Health and Infection, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Risaralda, Colombia; Infectious Diseases and Infection Control Research Group, Hospital Universitario de Sincelejo, Sincelejo, Sucre, Colombia; Committee on Zoonoses and Haemorrhagic Fevers, Asociación Colombiana de Infectología (ACIN), Bogotá, DC, Colombia; Organización Latinoamericana para el Fomento de la Investigación en Salud (OLFIS), Bucaramanga, Santander, Colombia.
| | - Gabriela M Blohm
- Department of Biology, University of Florida, Gainesville, FL, USA
| | - Alberto E Paniz-Mondolfi
- Department of Pathology and Laboratory Medicine, Hospital Internacional, Barquisimeto, Venezuela; Laboratory of Biochemistry, Instituto de Biomedicina/IVSS, Caracas, Venezuela
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Acharya D, Paul AM, Anderson JF, Huang F, Bai F. Loss of Glycosaminoglycan Receptor Binding after Mosquito Cell Passage Reduces Chikungunya Virus Infectivity. PLoS Negl Trop Dis 2015; 9:e0004139. [PMID: 26484530 PMCID: PMC4615622 DOI: 10.1371/journal.pntd.0004139] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2015] [Accepted: 09/14/2015] [Indexed: 12/17/2022] Open
Abstract
Chikungunya virus (CHIKV) is a mosquito-transmitted alphavirus that can cause fever and chronic arthritis in humans. CHIKV that is generated in mosquito or mammalian cells differs in glycosylation patterns of viral proteins, which may affect its replication and virulence. Herein, we compare replication, pathogenicity, and receptor binding of CHIKV generated in Vero cells (mammal) or C6/36 cells (mosquito) through a single passage. We demonstrate that mosquito cell-derived CHIKV (CHIKVmos) has slower replication than mammalian cell-derived CHIKV (CHIKVvero), when tested in both human and murine cell lines. Consistent with this, CHIKVmos infection in both cell lines produce less cytopathic effects and reduced antiviral responses. In addition, infection in mice show that CHIKVmos produces a lower level of viremia and less severe footpad swelling when compared with CHIKVvero. Interestingly, CHIKVmos has impaired ability to bind to glycosaminoglycan (GAG) receptors on mammalian cells. However, sequencing analysis shows that this impairment is not due to a mutation in the CHIKV E2 gene, which encodes for the viral receptor binding protein. Moreover, CHIKVmos progenies can regain GAG receptor binding capability and can replicate similarly to CHIKVvero after a single passage in mammalian cells. Furthermore, CHIKVvero and CHIKVmos no longer differ in replication when N-glycosylation of viral proteins was inhibited by growing these viruses in the presence of tunicamycin. Collectively, these results suggest that N-glycosylation of viral proteins within mosquito cells can result in loss of GAG receptor binding capability of CHIKV and reduction of its infectivity in mammalian cells. Chikungunya virus (CHIKV) is a chronic arthritis-causing pathogen in humans, for which no licensed vaccine or specific antiviral drug is currently available. Due to the global spread of its mosquito vectors, CHIKV is now becoming a public health threat worldwide. CHIKV can replicate in both mammalian and mosquito cells, however it does not cause apparent damage to mosquito cells, yet it rapidly kills mammalian cells within a day after infection. In addition, mosquito and mammalian cells have different mechanism of protein glycosylation, which can result in different glycan structures of viral glycoproteins. In this study, we report that mosquito cell-generated CHIKV has lower infectivity in cell culture and causes less severe disease in mice, when compared to mammalian cell-generated CHIKV. We demonstrate that only mammalian cell-generated CHIKV, but not mosquito-cell generated CHIKV, binds to mammalian cell surface glycosaminoglycan receptors. Interestingly, mosquito-cell generated CHIKV can re-acquire glycosaminoglycan receptor binding capability after a single passage in mammalian cells and replicate at similar levels with mammalian cell-generated CHIKV, suggesting that passage of CHIKV in mosquito cells can reduce its infectivity.
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Affiliation(s)
- Dhiraj Acharya
- Department of Biological Sciences, University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Amber M. Paul
- Department of Biological Sciences, University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - John F. Anderson
- Department of Entomology, Connecticut Agricultural Experiment Station, New Haven, Connecticut, United States of America
| | - Faqing Huang
- Department of Chemistry and Biochemistry, University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
| | - Fengwei Bai
- Department of Biological Sciences, University of Southern Mississippi, Hattiesburg, Mississippi, United States of America
- * E-mail:
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Sphingosine kinase 2 is a chikungunya virus host factor co-localized with the viral replication complex. Emerg Microbes Infect 2015; 4:e61. [PMID: 26576339 PMCID: PMC4631929 DOI: 10.1038/emi.2015.61] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 07/14/2015] [Accepted: 07/27/2015] [Indexed: 02/04/2023]
Abstract
Chikungunya virus (CHIKV) is a re-emerging alphavirus which causes severe and prolonged arthralgic febrile illness. The recent global spread of the virus and lack of approved therapeutic options makes it imperative to gain greater insight into the molecular mechanisms underlying CHIKV pathogenesis, in particular host factors recruited by the virus. In the current study, we identify sphingosine kinase 2 (SK2) as a CHIKV host factor co-localized with the viral replication complex (VRC) during infection. SK2 was demonstrated to co-localize with viral RNA and nonstructural proteins. Targeted impairment of SK2 expression or function significantly inhibited CHIKV infection. Furthermore, affinity purification-mass spectrometry studies revealed that SK2 associates with a number of proteins involved in cellular gene expression specifically during viral infection, suggesting a role in replication. Collectively these results identify SK2 as a novel CHIKV host factor.
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