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Lemos JRN, Hirani K, von Herrath M. Immunological and virological triggers of type 1 diabetes: insights and implications. Front Immunol 2024; 14:1326711. [PMID: 38239343 PMCID: PMC10794398 DOI: 10.3389/fimmu.2023.1326711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 12/07/2023] [Indexed: 01/22/2024] Open
Abstract
Type 1 diabetes (T1D) is caused by an autoimmune process which culminates in the destruction of insulin-producing beta cells in the pancreas. It is widely believed that a complex and multifactorial interplay between genetic and environmental factors, such as viruses, play a crucial role in the development of the disease. Research over the past few decades has shown that there is not one single viral culprit, nor one single genetic pathway, causing the disease. Rather, viral infections, most notably enteroviruses (EV), appear to accelerate the autoimmune process leading to T1D and are often seen as a precipitator of clinical diagnosis. In support of this hypothesis, the use of anti-viral drugs has recently shown efficacy in preserving beta cell function after onset of diabetes. In this review, we will discuss the various pathways that viral infections utilize to accelerate the development of T1D. There are three key mechanisms linking viral infections to beta-cell death: One is modulated by the direct infection of islets by viruses, resulting in their impaired function, another occurs in a more indirect fashion, by modulating the immune system, and the third is caused by heightened stress on the beta-cell by interferon-mediated increase of insulin resistance. The first two aspects are surprisingly difficult to study, in the case of the former, because there are still many questions about how viruses might persist for longer time periods. In the latter, indirect/immune case, viruses might impact immunity as a hit-and-run scenario, meaning that many or all direct viral footprints quickly vanish, while changes imprinted upon the immune system and the anti-islet autoimmune response persist. Given the fact that viruses are often associated with the precipitation of clinical autoimmunity, there are concerns regarding the impact of the recent global coronavirus-2019 (COVID-19) pandemic on the development of autoimmune disease. The long-term effects of COVID-19 infection on T1D will therefore be discussed, including the increased development of new cases of T1D. Understanding the interplay between viral infections and autoimmunity is crucial for advancing our knowledge in this field and developing targeted therapeutic interventions. In this review we will examine the intricate relationship between viral infections and autoimmunity and discuss potential considerations for prevention and treatment strategies.
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Affiliation(s)
- Joana R. N. Lemos
- Diabetes Research Institute (DRI), University of Miami Miller School of Medicine, Miami, FL, United States
| | - Khemraj Hirani
- Diabetes Research Institute (DRI), University of Miami Miller School of Medicine, Miami, FL, United States
- Division of Endocrine, Diabetes, and Metabolism, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Matthias von Herrath
- Diabetes Research Institute (DRI), University of Miami Miller School of Medicine, Miami, FL, United States
- Division of Endocrine, Diabetes, and Metabolism, Department of Medicine, University of Miami Miller School of Medicine, Miami, FL, United States
- Global Chief Medical Office, Novo Nordisk A/S, Søborg, Denmark
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Rguez S, Hammami M, Aidi Wannes W, Hamrouni Sellami I. Bioguided fractionation of procyanidin B2 as potent anti coxsackie virus B and Herpes simplex from cypress ( Cupressus sempervirens L.). INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024; 34:191-200. [PMID: 36264708 DOI: 10.1080/09603123.2022.2137475] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
The methanolic extracts of cypress (Cupressus sempervirens L.) collected at three phenological stages were evaluated for their cytotoxicity on Vero cells by MTT test as well as on Herpes simplex (HSV-2) and coxsackie (CVB-3) viruses by plaque reduction assay. The methanolic extract exhibited the highest cytotoxicity against HSV-2 (IC50 = 20.40 µg/mL) and CVB-3 (IC50 = 47.50 µg/mL) at the flowering stage. This extract also exhibited a virucidal action both during the entry of viruses and the release of newly formed virions. The methanolic extract bioguided purification showed that the ethyl-acetate fraction was responsible for virucidal activity. This fraction was endowed with more important selectivity index of 8.15 for HSV-2 and 4.40 for CVB-3. The ethyl acetate fraction was subjected to thin layer chromatography fractionation and identification by HPLC-DAD-ESI-MSn. Results showed that the condensed tannin procyanidin B2 was identified for the first time responsible of the antiviral activity of cypress.
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Affiliation(s)
- Safa Rguez
- Laboratory of Medicinal and Aromatic Plants, Centre of Biotechnology of Borj Cedria, Hammam-Lif, Tunisia
| | - Majdi Hammami
- Laboratory of Medicinal and Aromatic Plants, Centre of Biotechnology of Borj Cedria, Hammam-Lif, Tunisia
| | - Wissem Aidi Wannes
- Laboratory of Medicinal and Aromatic Plants, Centre of Biotechnology of Borj Cedria, Hammam-Lif, Tunisia
| | - Ibtissem Hamrouni Sellami
- Laboratory of Medicinal and Aromatic Plants, Centre of Biotechnology of Borj Cedria, Hammam-Lif, Tunisia
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Huang S, Zhang C, Li J, Dai Z, Huang J, Deng F, Wang X, Yue X, Hu X, Li Y, Deng Y, Wang Y, Zhao W, Zhong Z, Wang Y. Designing a multi-epitope vaccine against coxsackievirus B based on immunoinformatics approaches. Front Immunol 2022; 13:933594. [PMID: 36439191 PMCID: PMC9682020 DOI: 10.3389/fimmu.2022.933594] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 10/18/2022] [Indexed: 12/11/2023] Open
Abstract
Coxsackievirus B (CVB) is one of the major viral pathogens of human myocarditis and cardiomyopathy without any effective preventive measures; therefore, it is necessary to develop a safe and efficacious vaccine against CVB. Immunoinformatics methods are both economical and convenient as in-silico simulations can shorten the development time. Herein, we design a novel multi-epitope vaccine for the prevention of CVB by using immunoinformatics methods. With the help of advanced immunoinformatics approaches, we predicted different B-cell, cytotoxic T lymphocyte (CTL), and helper T lymphocyte (HTL) epitopes, respectively. Subsequently, we constructed the multi-epitope vaccine by fusing all conserved epitopes with appropriate linkers and adjuvants. The final vaccine was found to be antigenic, non-allergenic, and stable. The 3D structure of the vaccine was then predicted, refined, and evaluated. Molecular docking and dynamics simulation were performed to reveal the interactions between the vaccine with the immune receptors MHC-I, MHC-II, TLR3, and TLR4. Finally, to ensure the complete expression of the vaccine protein, the sequence of the designed vaccine was optimized and further performed in-silico cloning. In conclusion, the molecule designed in this study could be considered a potential vaccine against CVB infection and needed further experiments to evaluate its safety and efficacy.
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Affiliation(s)
- Sichao Huang
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Congcong Zhang
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Jianing Li
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
| | - Zongmao Dai
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Jingjing Huang
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Fengzhen Deng
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Xumeng Wang
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Xinxin Yue
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Xinnan Hu
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Yuxuan Li
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Yushu Deng
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Yanhang Wang
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Wenran Zhao
- Department of Cell Biology, Harbin Medical University, Harbin, China
| | - Zhaohua Zhong
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Yan Wang
- Department of Microbiology, Harbin Medical University, Harbin, China
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Development of Group B Coxsackievirus as an Oncolytic Virus: Opportunities and Challenges. Viruses 2021; 13:v13061082. [PMID: 34198859 PMCID: PMC8227215 DOI: 10.3390/v13061082] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/02/2021] [Accepted: 06/03/2021] [Indexed: 02/07/2023] Open
Abstract
Oncolytic viruses have emerged as a promising strategy for cancer therapy due to their dual ability to selectively infect and lyse tumor cells and to induce systemic anti-tumor immunity. Among various candidate viruses, coxsackievirus group B (CVBs) have attracted increasing attention in recent years. CVBs are a group of small, non-enveloped, single-stranded, positive-sense RNA viruses, belonging to species human Enterovirus B in the genus Enterovirus of the family Picornaviridae. Preclinical studies have demonstrated potent anti-tumor activities for CVBs, particularly type 3, against multiple cancer types, including lung, breast, and colorectal cancer. Various approaches have been proposed or applied to enhance the safety and specificity of CVBs towards tumor cells and to further increase their anti-tumor efficacy. This review summarizes current knowledge and strategies for developing CVBs as oncolytic viruses for cancer virotherapy. The challenges arising from these studies and future prospects are also discussed in this review.
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Honkimaa A, Kimura B, Sioofy-Khojine AB, Lin J, Laiho J, Oikarinen S, Hyöty H. Genetic Adaptation of Coxsackievirus B1 during Persistent Infection in Pancreatic Cells. Microorganisms 2020; 8:microorganisms8111790. [PMID: 33203081 PMCID: PMC7697981 DOI: 10.3390/microorganisms8111790] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 12/16/2022] Open
Abstract
Coxsackie B (CVB) viruses have been associated with type 1 diabetes. We have recently observed that CVB1 was linked to the initiation of the autoimmune process leading to type 1 diabetes in Finnish children. Viral persistency in the pancreas is currently considered as one possible mechanism. In the current study persistent infection was established in pancreatic ductal and beta cell lines (PANC-1 and 1.1B4) using four different CVB1 strains, including the prototype strain and three clinical isolates. We sequenced 5′ untranslated region (UTR) and regions coding for structural and non-structural proteins and the second single open reading frame (ORF) protein of all persisting CVB1 strains using next generation sequencing to identify mutations that are common for all of these strains. One mutation, K257R in VP1, was found from all persisting CVB1 strains. The mutations were mainly accumulated in viral structural proteins, especially at BC, DE, EF loops and C-terminus of viral capsid protein 1 (VP1), the puff region of VP2, the knob region of VP3 and infection-enhancing epitope of VP4. This showed that the capsid region of the viruses sustains various changes during persistency some of which could be hallmark(s) of persistency.
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Affiliation(s)
- Anni Honkimaa
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (B.K.); (A.B.S.-K.); (J.L.); (S.O.); (H.H.)
- Correspondence:
| | - Bryn Kimura
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (B.K.); (A.B.S.-K.); (J.L.); (S.O.); (H.H.)
| | - Amir-Babak Sioofy-Khojine
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (B.K.); (A.B.S.-K.); (J.L.); (S.O.); (H.H.)
| | - Jake Lin
- Finnish Institute of Molecular Medicine (FIMM), University of Helsinki, 00290 Helsinki, Finland;
| | - Jutta Laiho
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (B.K.); (A.B.S.-K.); (J.L.); (S.O.); (H.H.)
| | - Sami Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (B.K.); (A.B.S.-K.); (J.L.); (S.O.); (H.H.)
| | - Heikki Hyöty
- Faculty of Medicine and Health Technology, Tampere University, 33520 Tampere, Finland; (B.K.); (A.B.S.-K.); (J.L.); (S.O.); (H.H.)
- Fimlab Laboratories, Pirkanmaa Hospital District, 33520 Tampere, Finland
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Zainutdinov SS, Kochneva GV, Netesov SV, Chumakov PM, Matveeva OV. Directed evolution as a tool for the selection of oncolytic RNA viruses with desired phenotypes. Oncolytic Virother 2019; 8:9-26. [PMID: 31372363 PMCID: PMC6636189 DOI: 10.2147/ov.s176523] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 06/07/2019] [Indexed: 12/23/2022] Open
Abstract
Viruses have some characteristics in common with cell-based life. They can evolve and adapt to environmental conditions. Directed evolution can be used by researchers to produce viral strains with desirable phenotypes. Through bioselection, improved strains of oncolytic viruses can be obtained that have better safety profiles, increased specificity for malignant cells, and more efficient spread among tumor cells. It is also possible to select strains capable of killing a broader spectrum of cancer cell variants, so as to achieve a higher frequency of therapeutic responses. This review describes and analyses virus adaptation studies performed with members of four RNA virus families that are used for viral oncolysis: reoviruses, paramyxoviruses, enteroviruses, and rhabdoviruses.
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Affiliation(s)
- Sergei S Zainutdinov
- State Research Center of Virology and Biotechnology “Vector”
, Koltsovo630559, Russia
| | - Galina V Kochneva
- State Research Center of Virology and Biotechnology “Vector”
, Koltsovo630559, Russia
| | - Sergei V Netesov
- Department of Natural Sciences, Novosibirsk State University, Novosibirsk630090, Russia
| | - Peter M Chumakov
- Engelhardt Institute of Molecular Biology
, Moscow119991, Russia
- Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products
, Moscow108819, Russia
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Dahm T, Adams O, Boettcher S, Diedrich S, Morozov V, Hansman G, Fallier-Becker P, Schädler S, Burkhardt CJ, Weiss C, Stump-Guthier C, Ishikawa H, Schroten H, Schwerk C, Tenenbaum T, Rudolph H. Strain-dependent effects of clinical echovirus 30 outbreak isolates at the blood-CSF barrier. J Neuroinflammation 2018; 15:50. [PMID: 29463289 PMCID: PMC5819246 DOI: 10.1186/s12974-018-1061-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 01/09/2018] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Echovirus (E) 30 (E-30) meningitis is characterized by neuroinflammation involving immune cell pleocytosis at the protective barriers of the central nervous system (CNS). In this context, infection of the blood-cerebrospinal fluid barrier (BCSFB), which has been demonstrated to be involved in enteroviral CNS pathogenesis, may affect the tight junction (TJ) and adherens junction (AJ) function and morphology. METHODS We used an in vitro human choroid plexus epithelial (HIBCPP) cell model to investigate the effect of three clinical outbreak strains (13-311, 13-759, and 14-397) isolated in Germany in 2013, and compared them to E-30 Bastianni. Conducting transepithelial electrical resistance (TEER), paracellular dextran flux measurement, quantitative real-time polymerase chain reaction (qPCR), western blot, and immunofluorescence analysis, we investigated TJ and AJ function and morphology as well as strain-specific E-30 infection patterns. Additionally, transmission electron and focused ion beam microscopy electron microscopy (FIB-SEM) was used to evaluate the mode of leukocyte transmigration. Genome sequencing and phylogenetic analyses were performed to discriminate potential genetic differences among the outbreak strains. RESULTS We observed a significant strain-dependent decrease in TEER with strains E-30 Bastianni and 13-311, whereas paracellular dextran flux was only affected by E-30 Bastianni. Despite strong similarities among the outbreak strains in replication characteristics and particle distribution, strain 13-311 was the only outbreak isolate revealing comparable disruptive effects on TJ (Zonula Occludens (ZO) 1 and occludin) and AJ (E-cadherin) morphology to E-30 Bastianni. Notwithstanding significant junctional alterations upon E-30 infection, we observed both para- and transcellular leukocyte migration across HIBCPP cells. Complete genome sequencing revealed differences between the strains analyzed, but no explicit correlation with the observed strain-dependent effects on HIBCPP cells was possible. CONCLUSION The findings revealed distinct E-30 strain-specific effects on barrier integrity and junctional morphology. Despite E-30-induced barrier alterations leukocyte trafficking did not exclusively occur via the paracellular route.
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Affiliation(s)
- Tobias Dahm
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Ortwin Adams
- Institute of Virology, University Hospital, Heinrich-Heine-University, Düsseldorf, Germany
| | - Sindy Boettcher
- National Reference Centre for Poliomyelitis and Enteroviruses, Robert Koch-Institute, Berlin, Germany
| | - Sabine Diedrich
- National Reference Centre for Poliomyelitis and Enteroviruses, Robert Koch-Institute, Berlin, Germany
| | - Vasily Morozov
- Schaller Research Group, University of Heidelberg and the DKFZ, Heidelberg, Germany
- Department of Infectious Diseases, Virology, University of Heidelberg, Heidelberg, Germany
| | - Grant Hansman
- Schaller Research Group, University of Heidelberg and the DKFZ, Heidelberg, Germany
- Department of Infectious Diseases, Virology, University of Heidelberg, Heidelberg, Germany
| | - Petra Fallier-Becker
- Institute of Pathology and Neuropathology, University Hospital of Tübingen, Tübingen, Germany
| | | | - Claus J. Burkhardt
- NMI Natural and Medical Sciences Institute, University of Tübingen, Reutlingen, Germany
| | - Christel Weiss
- Institute of Medical Statistics and Biomathematics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carolin Stump-Guthier
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Hiroshi Ishikawa
- Department of NDU Life Sciences, School of life Dentistry, The Nippon Dental University, Tokyo, Japan
| | - Horst Schroten
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Christian Schwerk
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Tobias Tenenbaum
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Henriette Rudolph
- Pediatric Infectious Diseases, University Children’s Hospital Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Principi N, Berioli MG, Bianchini S, Esposito S. Type 1 diabetes and viral infections: What is the relationship? J Clin Virol 2017; 96:26-31. [PMID: 28934695 DOI: 10.1016/j.jcv.2017.09.003] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 08/09/2017] [Accepted: 09/06/2017] [Indexed: 12/16/2022]
Abstract
Type 1 diabetes (T1D) is the most common chronic metabolic disorder in children. Epigenetic and environmental factors capable of altering the penetrance of major susceptibility genes or capable of increasing the penetrance of low-risk genes are currently thought to play a role in triggering autoimmunity and T1D development. This paper discusses the current knowledge of the role of viruses in T1D. Most studies that have evaluated the potential association between viral infections and T1D have indicated that it is highly likely that some of these infectious agents play a role in T1D development. However, most T1D cases are immune-mediated, and it is supposed that the initial viral infection is capable of creating, in genetically predisposed subjects, a particular condition in which chronic local inflammation occurs through the persistence of the infecting virus in pancreatic tissue and the activation of autoimmunity by means of molecular mimicry, bystander activation, or both. Theoretically, this knowledge could lead to possible prophylaxis and therapy for T1D. Further studies devoted to evaluating which infectious agents are linked to T1D and which immune mechanisms induce or protect against the disease are needed before adequate prophylactic and therapeutic measures can be developed.
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Affiliation(s)
- Nicola Principi
- Professor Emeritus, Università degli Studi di Milano, Milan, Italy
| | | | - Sonia Bianchini
- Pediatric Clinic, Università degli Studi di Perugia, Perugia, Italy
| | - Susanna Esposito
- Pediatric Clinic, Università degli Studi di Perugia, Perugia, Italy.
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Svyatchenko VA, Ternovoy VA, Kiselev NN, Demina AV, Loktev VB, Netesov SV, Chumakov PM. Bioselection of coxsackievirus B6 strain variants with altered tropism to human cancer cell lines. Arch Virol 2017; 162:3355-3362. [PMID: 28766058 DOI: 10.1007/s00705-017-3492-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 07/02/2017] [Indexed: 12/21/2022]
Abstract
Cancer cells develop increased sensitivity to members of many virus families and, in particular, can be efficiently infected and lysed by many low-pathogenic human enteroviruses. However, because of their great genetic heterogeneity, cancer cells display different levels of sensitivity to particular enterovirus strains, which may substantially limit the chances of a positive clinical response. We show that a non-pathogenic strain of coxsackievirus B6 (LEV15) can efficiently replicate to high titers in the malignant human cell lines C33A, DU145, AsPC-1 and SK-Mel28, although it displays much lower replication efficiency in A431 and A549 cells and very limited replication ability in RD and MCF7 cells, as well as in the normal lung fibroblast cell line MRC-5 and the immortalized mammary epithelial cell line MCF10A. By serial passaging in RD, MCF7 and A431 cells, we obtained LEV15 strain variants that had acquired high replication capacity in the appropriate carcinoma cell lines without losing their high replication capability in the original set of cancer cell lines and had limited replication capability in untransformed cells. The strains demonstrated improved oncolytic properties in nude-mouse xenografts. We identified nucleotide changes responsible for the phenotypes and suggest a bioselection approach for a generation of oncolytic virus strains with a wider spectrum of affected tumors.
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Affiliation(s)
- Victor A Svyatchenko
- State Research Center of Virology and Biotechnology "Vector", Koltsovo, Novosibirsk, Russia
| | - Vladimir A Ternovoy
- State Research Center of Virology and Biotechnology "Vector", Koltsovo, Novosibirsk, Russia
| | - Nikolai N Kiselev
- State Research Center of Virology and Biotechnology "Vector", Koltsovo, Novosibirsk, Russia
| | - Anna V Demina
- State Research Center of Virology and Biotechnology "Vector", Koltsovo, Novosibirsk, Russia
| | - Valery B Loktev
- State Research Center of Virology and Biotechnology "Vector", Koltsovo, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Sergey V Netesov
- State Research Center of Virology and Biotechnology "Vector", Koltsovo, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Peter M Chumakov
- Novosibirsk State University, Novosibirsk, Russia.
- Engelhardt Institute of Molecular Biology, Moscow, Russia.
- M.P. Chumakov Institute of Poliomyelitis and Viral Encephalitides, Federal Scientific Center on Research and Development of Immunobiology Products, Moscow, Russia.
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10
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Echovirus 6 Infects Human Exocrine and Endocrine Pancreatic Cells and Induces Pro-Inflammatory Innate Immune Response. Viruses 2017; 9:v9020025. [PMID: 28146100 PMCID: PMC5332944 DOI: 10.3390/v9020025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/16/2017] [Indexed: 12/22/2022] Open
Abstract
Human enteroviruses (HEV), especially coxsackievirus serotype B (CVB) and echovirus (E), have been associated with diseases of both the exocrine and endocrine pancreas, but so far evidence on HEV infection in human pancreas has been reported only in islets and ductal cells. This study aimed to investigate the capability of echovirus strains to infect human exocrine and endocrine pancreatic cells. Infection of explanted human islets and exocrine cells with seven field strains of E6 caused cytopathic effect, virus titer increase and production of HEV protein VP1 in both cell types. Virus particles were found in islets and acinar cells infected with E6. No cytopathic effect or infectious progeny production was observed in exocrine cells exposed to the beta cell-tropic strains of E16 and E30. Endocrine cells responded to E6, E16 and E30 by upregulating the transcription of interferon-induced with helicase C domain 1 (IF1H1), 2′-5′-oligoadenylate synthetase 1 (OAS1), interferon-β (IFN-β), chemokine (C–X–C motif) ligand 10 (CXCL10) and chemokine (C–C motif) ligand 5 (CCL5). Echovirus 6, but not E16 or E30, led to increased transcription of these genes in exocrine cells. These data demonstrate for the first time that human exocrine cells represent a target for E6 infection and suggest that certain HEV serotypes can replicate in human pancreatic exocrine cells, while the pancreatic endocrine cells are permissive to a wider range of HEV.
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