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Krogvold L, Mynarek IM, Ponzi E, Mørk FB, Hessel TW, Roald T, Lindblom N, Westman J, Barker P, Hyöty H, Ludvigsson J, Hanssen KF, Johannesen J, Dahl-Jørgensen K. Pleconaril and ribavirin in new-onset type 1 diabetes: a phase 2 randomized trial. Nat Med 2023; 29:2902-2908. [PMID: 37789144 PMCID: PMC10667091 DOI: 10.1038/s41591-023-02576-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 08/31/2023] [Indexed: 10/05/2023]
Abstract
Previous studies showed a low-grade enterovirus infection in the pancreatic islets of patients with newly diagnosed type 1 diabetes (T1D). In the Diabetes Virus Detection (DiViD) Intervention, a phase 2, placebo-controlled, randomized, parallel group, double-blind trial, 96 children and adolescents (aged 6-15 years) with new-onset T1D received antiviral treatment with pleconaril and ribavirin (n = 47) or placebo (n = 49) for 6 months, with the aim of preserving β cell function. The primary endpoint was the mean stimulated C-peptide area under the curve (AUC) 12 months after the initiation of treatment (less than 3 weeks after diagnosis) using a mixed linear model. The model used longitudinal log-transformed serum C-peptide AUCs at baseline, at 3 months, 6 months and 1 year. The primary endpoint was met with the serum C-peptide AUC being higher in the pleconaril and ribavirin treatment group compared to the placebo group at 12 months (average marginal effect = 0.057 in the linear mixed model; 95% confidence interval = 0.004-0.11, P = 0.037). The treatment was well tolerated. The results show that antiviral treatment may preserve residual insulin production in children and adolescent with new-onset T1D. This provides a rationale for further evaluating antiviral strategies in the prevention and treatment of T1D. European Union Drug Regulating Authorities Clinical Trials identifier: 2015-003350-41 .
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Affiliation(s)
- Lars Krogvold
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Ida Maria Mynarek
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | - Erica Ponzi
- Clinical Trial Unit, Oslo University Hospital, Oslo, Norway
| | - Freja Barrett Mørk
- Steno Diabetes Center Copenhagen, Herlev University Hospital, Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Trine Witzner Hessel
- Steno Diabetes Center Copenhagen, Herlev University Hospital, Copenhagen, Denmark
| | - Trine Roald
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
| | | | | | - Peter Barker
- National Institute for Health and Care Research Cambridge Biomedical Research Centre, Core Biochemistry Assay Laboratory, Cambridge, UK
| | - Heikki Hyöty
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Fimlab Laboratories, Tampere, Finland
| | | | | | - Jesper Johannesen
- Steno Diabetes Center Copenhagen, Herlev University Hospital, Copenhagen, Denmark
| | - Knut Dahl-Jørgensen
- Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway.
- Faculty of Medicine, University of Oslo, Oslo, Norway.
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Olasunkanmi OI, Fei Y, Avala Ntsigouaye J, Yi M, Wang Y, Liu J, Cheng W, Megeto J, Bashir T, Chen Y, Xu W, Lin L, Zhao W, Wang Y, Zhong Z. Antiviral Activity of trans-Hexenoic Acid against Coxsackievirus B and Enterovirus A71. Antimicrob Agents Chemother 2023; 67:e0086822. [PMID: 36786598 PMCID: PMC10019289 DOI: 10.1128/aac.00868-22] [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: 06/28/2022] [Accepted: 01/01/2023] [Indexed: 02/15/2023] Open
Abstract
Enterovirus infections are life-threatening viral infections which occur mainly among children and are possible causes of viral outbreak. Until now, treatment and management of infections caused by members of the genus Enterovirus largely depended on supportive care, and no antiviral medications are currently approved for the treatment of most of these infections. The urgency of discovering new therapeutic options for the treatment of enterovirus infection is increasing. In the present study, we identified that trans-2-hexenoic acid (THA), a natural product from a dietary source, possesses antiviral activity against coxsackievirus B (CVB) and enterovirus A71 (EV-A71) in a dose-dependent manner. We found that THA possesses antiviral activity at 50% effective concentrations (EC50) of 2.9 μM and 3.21 μM against CVB3 and EV-A71 infections, respectively. The time of addition assay revealed that THA inhibits both CVB3 and EV-A71 replication at the entry stage of infection. Additional results from this study further suggest that THA inhibits viral replication by blocking viral entry. Given that THA has received approval as a food additive, treatment of enterovirus infections with THA might be a safe therapeutic option or could pave the way for semisynthetic manufacturing of more antiviral drugs in the future.
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Affiliation(s)
| | - Yanru Fei
- Department of Microbiology, Harbin Medical University, Harbin, China
| | | | - Ming Yi
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Yao Wang
- Department of Cell Biology, Harbin Medical University, Harbin, China
| | - Jinchang Liu
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Weixu Cheng
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - James Megeto
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Tahira Bashir
- Department of Cell Biology, Harbin Medical University, Harbin, China
| | - Yang Chen
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Weizhen Xu
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Lexun Lin
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Wenran Zhao
- Department of Cell Biology, Harbin Medical University, Harbin, China
| | - Yan Wang
- Department of Microbiology, Harbin Medical University, Harbin, China
| | - Zhaohua Zhong
- Department of Microbiology, Harbin Medical University, Harbin, China
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Alhazmi A, Nekoua MP, Mercier A, Vergez I, Sane F, Alidjinou EK, Hober D. Combating coxsackievirus B infections. Rev Med Virol 2023; 33:e2406. [PMID: 36371612 DOI: 10.1002/rmv.2406] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/11/2022] [Accepted: 10/27/2022] [Indexed: 11/15/2022]
Abstract
Coxsackieviruses B (CVB) are small, non-enveloped, single-stranded RNA viruses belonging to the Enterovirus genus of the Picornaviridae family. They are common worldwide and cause a wide variety of human diseases ranging from those having relatively mild symptoms to severe acute and chronic pathologies such as cardiomyopathy and type 1 diabetes. The development of safe and effective strategies to combat these viruses remains a challenge. The present review outlines current approaches to control CVB infections and associated diseases. Various drugs targeting viral or host proteins involved in viral replication as well as vaccines have been developed and shown potential to prevent or combat CVB infections in vitro and in vivo in animal models. Repurposed drugs and alternative strategies targeting miRNAs or based on plant extracts and probiotics and their derivatives have also shown antiviral effects against CVB. In addition, clinical trials with vaccines and drugs are underway and offer hope for the prevention or treatment of CVB-induced diseases.
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Affiliation(s)
- Abdulaziz Alhazmi
- Laboratoire de Virologie ULR3610, Université de Lille et CHU de Lille, Lille, France.,Microbiology and Parasitology Department, Faculty of Medicine, Jazan University, Jazan, Saudi Arabia
| | | | - Ambroise Mercier
- Laboratoire de Virologie ULR3610, Université de Lille et CHU de Lille, Lille, France
| | - Ines Vergez
- Laboratoire de Virologie ULR3610, Université de Lille et CHU de Lille, Lille, France
| | - Famara Sane
- Laboratoire de Virologie ULR3610, Université de Lille et CHU de Lille, Lille, France
| | | | - Didier Hober
- Laboratoire de Virologie ULR3610, Université de Lille et CHU de Lille, Lille, France
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Nekoua MP, Alidjinou EK, Hober D. Persistent coxsackievirus B infection and pathogenesis of type 1 diabetes mellitus. Nat Rev Endocrinol 2022; 18:503-516. [PMID: 35650334 PMCID: PMC9157043 DOI: 10.1038/s41574-022-00688-1] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 04/28/2022] [Indexed: 12/15/2022]
Abstract
Enteroviruses are believed to trigger or accelerate islet autoimmunity in genetically susceptible individuals, thereby resulting in loss of functional insulin-producing β-cells and type 1 diabetes mellitus (T1DM). Although enteroviruses are primarily involved in acute and lytic infections in vitro and in vivo, they can also establish a persistent infection. Prospective epidemiological studies have strongly associated the persistence of enteroviruses, especially coxsackievirus B (CVB), with the appearance of islet autoantibodies and an increased risk of T1DM. CVB can persist in pancreatic ductal and β-cells, which leads to structural or functional alterations of these cells, and to a chronic inflammatory response that promotes recruitment and activation of pre-existing autoreactive T cells and β-cell autoimmune destruction. CVB persistence in other sites, such as the intestine, blood cells and thymus, has been described; these sites could serve as a reservoir for infection or reinfection of the pancreas, and this persistence could have a role in the disturbance of tolerance to β-cells. This Review addresses the involvement of persistent enterovirus infection in triggering islet autoimmunity and T1DM, as well as current strategies to control enterovirus infections for preventing or reducing the risk of T1DM onset.
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Affiliation(s)
| | | | - Didier Hober
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, Lille, France.
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Nekoua MP, Mercier A, Alhazmi A, Sane F, Alidjinou EK, Hober D. Fighting Enteroviral Infections to Prevent Type 1 Diabetes. Microorganisms 2022; 10:microorganisms10040768. [PMID: 35456818 PMCID: PMC9031364 DOI: 10.3390/microorganisms10040768] [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: 12/15/2021] [Revised: 03/24/2022] [Accepted: 03/30/2022] [Indexed: 12/16/2022] Open
Abstract
Enteroviruses (EVs), especially coxsackieviruses B (CVB), are believed to trigger or accelerate islet autoimmunity in genetically susceptible individuals that results in type 1 diabetes (T1D). Therefore, strategies are needed to fight against EV infections. There are no approved antiviral drugs currently available, but various antiviral drugs targeting viral or host cell proteins and vaccines have recently shown potential to combat CVB infections and may be used as new therapeutic strategies to prevent or reduce the risk of T1D and/or preserve β-cell function among patients with islet autoantibodies or T1D.
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Affiliation(s)
- Magloire Pandoua Nekoua
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, 59000 Lille, France; (M.P.N.); (A.M.); (A.A.); (F.S.); (E.K.A.)
| | - Ambroise Mercier
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, 59000 Lille, France; (M.P.N.); (A.M.); (A.A.); (F.S.); (E.K.A.)
| | - Abdulaziz Alhazmi
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, 59000 Lille, France; (M.P.N.); (A.M.); (A.A.); (F.S.); (E.K.A.)
- Microbiology and Parasitology Department, College of Medicine, Jazan University, Jazan 82911, Saudi Arabia
| | - Famara Sane
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, 59000 Lille, France; (M.P.N.); (A.M.); (A.A.); (F.S.); (E.K.A.)
| | - Enagnon Kazali Alidjinou
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, 59000 Lille, France; (M.P.N.); (A.M.); (A.A.); (F.S.); (E.K.A.)
| | - Didier Hober
- Laboratoire de Virologie ULR3610, Université de Lille, CHU Lille, 59000 Lille, France; (M.P.N.); (A.M.); (A.A.); (F.S.); (E.K.A.)
- Correspondence: ; Tel.: +33-(0)-3-2044-6688
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Oikarinen S, Krogvold L, Edwin B, Buanes T, Korsgren O, Laiho JE, Oikarinen M, Ludvigsson J, Skog O, Anagandula M, Frisk G, Hyöty H, Dahl-Jørgensen K. Characterisation of enterovirus RNA detected in the pancreas and other specimens of live patients with newly diagnosed type 1 diabetes in the DiViD study. Diabetologia 2021; 64:2491-2501. [PMID: 34390364 PMCID: PMC8494699 DOI: 10.1007/s00125-021-05525-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/22/2021] [Indexed: 02/05/2023]
Abstract
AIMS/HYPOTHESIS The Diabetes Virus Detection (DiViD) study is the first study to laparoscopically collect pancreatic tissue and purified pancreatic islets together with duodenal mucosa, serum, peripheral blood mononuclear cells (PBMCs) and stools from six live adult patients (age 24-35 years) with newly diagnosed type 1 diabetes. The presence of enterovirus (EV) in the pancreatic islets of these patients has previously been reported. METHODS In the present study we used reverse transcription quantitative real-time PCR (RT-qPCR) and sequencing to characterise EV genomes present in different tissues to understand the nature of infection in these individuals. RESULTS All six patients were found to be EV-positive by RT-qPCR in at least one of the tested sample types. Four patients were EV-positive in purified islet culture medium, three in PBMCs, one in duodenal biopsy and two in stool, while serum was EV-negative in all individuals. Sequencing the 5' untranslated region of these EVs suggested that all but one belonged to enterovirus B species. One patient was EV-positive in all these sample types except for serum. Sequence analysis revealed that the virus strain present in the isolated islets of this patient was different from the strain found in other sample types. None of the islet-resident viruses could be isolated using EV-permissive cell lines. CONCLUSIONS/INTERPRETATION EV RNA can be frequently detected in various tissues of patients with type 1 diabetes. At least in some patients, the EV strain in the pancreatic islets may represent a slowly replicating persisting virus.
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Affiliation(s)
- Sami Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.
| | - Lars Krogvold
- Paediatric Department, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Bjørn Edwin
- Paediatric Department, Oslo University Hospital, Oslo, Norway
- The Intervention Centre, Department of HPB Surgery, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Trond Buanes
- Paediatric Department, Oslo University Hospital, Oslo, Norway
- Department of Hepato-Pancreato-Biliary Surgery, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo University Hospital, Oslo, Norway
- Division of Cancer, Surgery and Transplantation, Oslo University Hospital and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Olle Korsgren
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Jutta E Laiho
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Maarit Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Johnny Ludvigsson
- Crown Princess Victoria Children's Hospital and Division of Pediatrics, Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Oskar Skog
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Mahesh Anagandula
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Gun Frisk
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Heikki Hyöty
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Fimlab Laboratories, Pirkanmaa Hospital District, Tampere, Finland
| | - Knut Dahl-Jørgensen
- Paediatric Department, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, University of Oslo, Oslo, Norway
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7
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Isaacs SR, Foskett DB, Maxwell AJ, Ward EJ, Faulkner CL, Luo JYX, Rawlinson WD, Craig ME, Kim KW. Viruses and Type 1 Diabetes: From Enteroviruses to the Virome. Microorganisms 2021; 9:microorganisms9071519. [PMID: 34361954 PMCID: PMC8306446 DOI: 10.3390/microorganisms9071519] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/12/2021] [Accepted: 07/14/2021] [Indexed: 12/15/2022] Open
Abstract
For over a century, viruses have left a long trail of evidence implicating them as frequent suspects in the development of type 1 diabetes. Through vigorous interrogation of viral infections in individuals with islet autoimmunity and type 1 diabetes using serological and molecular virus detection methods, as well as mechanistic studies of virus-infected human pancreatic β-cells, the prime suspects have been narrowed down to predominantly human enteroviruses. Here, we provide a comprehensive overview of evidence supporting the hypothesised role of enteroviruses in the development of islet autoimmunity and type 1 diabetes. We also discuss concerns over the historical focus and investigation bias toward enteroviruses and summarise current unbiased efforts aimed at characterising the complete population of viruses (the “virome”) contributing early in life to the development of islet autoimmunity and type 1 diabetes. Finally, we review the range of vaccine and antiviral drug candidates currently being evaluated in clinical trials for the prevention and potential treatment of type 1 diabetes.
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Affiliation(s)
- Sonia R. Isaacs
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
| | - Dylan B. Foskett
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
| | - Anna J. Maxwell
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
| | - Emily J. Ward
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Faculty of Medicine and Health, School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Clare L. Faulkner
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
| | - Jessica Y. X. Luo
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
| | - William D. Rawlinson
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
- Faculty of Medicine and Health, School of Medical Sciences, University of New South Wales, Sydney, NSW 2052, Australia
- Faculty of Science, School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney, NSW 2052, Australia
| | - Maria E. Craig
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
- Institute of Endocrinology and Diabetes, Children’s Hospital at Westmead, Sydney, NSW 2145, Australia
- Faculty of Medicine and Health, Discipline of Child and Adolescent Health, University of Sydney, Sydney, NSW 2006, Australia
| | - Ki Wook Kim
- Faculty of Medicine and Health, School of Women’s and Children’s Health, University of New South Wales, Sydney, NSW 2031, Australia; (S.R.I.); (D.B.F.); (A.J.M.); (E.J.W.); (C.L.F.); (J.Y.X.L.); (W.D.R.); (M.E.C.)
- Virology Research Laboratory, Serology and Virology Division, NSW Health Pathology, Prince of Wales Hospital, Sydney, NSW 2031, Australia
- Correspondence: ; Tel.: +61-2-9382-9096
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Apaolaza PS, Balcacean D, Zapardiel-Gonzalo J, Nelson G, Lenchik N, Akhbari P, Gerling I, Richardson SJ, Rodriguez-Calvo T. Islet expression of type I interferon response sensors is associated with immune infiltration and viral infection in type 1 diabetes. SCIENCE ADVANCES 2021; 7:7/9/eabd6527. [PMID: 33627420 PMCID: PMC7904254 DOI: 10.1126/sciadv.abd6527] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 01/04/2021] [Indexed: 05/04/2023]
Abstract
Previous results indicate the presence of an interferon (IFN) signature in type 1 diabetes (T1D), capable of inducing chronic inflammation and compromising b cell function. Here, we determined the expression of the IFN response markers MxA, PKR, and HLA-I in the islets of autoantibody-positive and T1D donors. We found that these markers can be coexpressed in the same islet, are more abundant in insulin-containing islets, are highly expressed in islets with insulitis, and their expression levels are correlated with the presence of the enteroviral protein VP1. The expression of these markers was associated with down-regulation of multiple genes in the insulin secretion pathway. The coexistence of an IFN response and a microbial stress response is likely to prime islets for immune destruction. This study highlights the importance of therapeutic interventions aimed at eliminating potentially persistent infections and diminishing inflammation in individuals with T1D.
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Affiliation(s)
- Paola S Apaolaza
- Institute of Diabetes Research, Helmholtz Diabetes Center, Helmholtz Zentrum Munich, 80939, Germany
| | - Diana Balcacean
- Institute of Diabetes Research, Helmholtz Diabetes Center, Helmholtz Zentrum Munich, 80939, Germany
| | - Jose Zapardiel-Gonzalo
- Institute of Diabetes Research, Helmholtz Diabetes Center, Helmholtz Zentrum Munich, 80939, Germany
| | - Grace Nelson
- Department of Medicine, University of Tennessee, Memphis, TN 38163, USA
| | - Nataliya Lenchik
- Department of Medicine, University of Tennessee, Memphis, TN 38163, USA
| | - Pouria Akhbari
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, RILD Building, Barrack Road, Exeter EX2 5DW, UK
| | - Ivan Gerling
- Department of Medicine, University of Tennessee, Memphis, TN 38163, USA
| | - Sarah J Richardson
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, RILD Building, Barrack Road, Exeter EX2 5DW, UK
| | - Teresa Rodriguez-Calvo
- Institute of Diabetes Research, Helmholtz Diabetes Center, Helmholtz Zentrum Munich, 80939, Germany.
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Salmikangas S, Laiho JE, Kalander K, Laajala M, Honkimaa A, Shanina I, Oikarinen S, Horwitz MS, Hyöty H, Marjomäki V. Detection of Viral -RNA and +RNA Strands in Enterovirus-Infected Cells and Tissues. Microorganisms 2020; 8:microorganisms8121928. [PMID: 33291747 PMCID: PMC7761939 DOI: 10.3390/microorganisms8121928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/24/2020] [Accepted: 12/02/2020] [Indexed: 11/16/2022] Open
Abstract
The current methods to study the distribution and dynamics of viral RNA molecules inside infected cells are not ideal, as electron microscopy and immunohistochemistry can only detect mature virions, and quantitative real-time PCR does not reveal localized distribution of RNAs. We demonstrated here the branched DNA in situ hybridization (bDNA ISH) technology to study both the amount and location of the emerging -RNA and +RNA during acute and persistent enterovirus infections. According to our results, the replication of the viral RNA started 2-3 h after infection and the translation shortly after at 3-4 h post-infection. The replication hotspots with newly emerging -RNA were located quite centrally in the cell, while the +RNA production and most likely virion assembly took place in the periphery of the cell. We also discovered that the pace of replication of -RNA and +RNA strands was almost identical, and -RNA was absent during antiviral treatments. ViewRNA ISH with our custom probes also showed a good signal during acute and persistent enterovirus infections in cell and mouse models. Considering these results, along with the established bDNA FISH protocol modified by us, the effects of antiviral drugs and the emergence of enterovirus RNAs in general can be studied more effectively.
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Affiliation(s)
- Sami Salmikangas
- Department of Biological and Environmental Science/Nanoscience Center, University of Jyväskylä, Survontie 9C, FI-40500 Jyväskylä, Finland; (S.S.); (K.K.); (M.L.)
| | - Jutta E. Laiho
- Faculty of Medicine and Health Technology, Tampere University, FI-33520 Tampere, Finland; (J.E.L.); (A.H.); (S.O.); (H.H.)
| | - Kerttu Kalander
- Department of Biological and Environmental Science/Nanoscience Center, University of Jyväskylä, Survontie 9C, FI-40500 Jyväskylä, Finland; (S.S.); (K.K.); (M.L.)
| | - Mira Laajala
- Department of Biological and Environmental Science/Nanoscience Center, University of Jyväskylä, Survontie 9C, FI-40500 Jyväskylä, Finland; (S.S.); (K.K.); (M.L.)
| | - Anni Honkimaa
- Faculty of Medicine and Health Technology, Tampere University, FI-33520 Tampere, Finland; (J.E.L.); (A.H.); (S.O.); (H.H.)
| | - Iryna Shanina
- Department of Microbiology and Immunology, Life Sciences Institute, University of British Columbia, Vancouver, BC V6T1Z3, Canada; (I.S.); (M.S.H.)
| | - Sami Oikarinen
- Faculty of Medicine and Health Technology, Tampere University, FI-33520 Tampere, Finland; (J.E.L.); (A.H.); (S.O.); (H.H.)
| | - Marc S. Horwitz
- Department of Microbiology and Immunology, Life Sciences Institute, University of British Columbia, Vancouver, BC V6T1Z3, Canada; (I.S.); (M.S.H.)
| | - Heikki Hyöty
- Faculty of Medicine and Health Technology, Tampere University, FI-33520 Tampere, Finland; (J.E.L.); (A.H.); (S.O.); (H.H.)
| | - Varpu Marjomäki
- Department of Biological and Environmental Science/Nanoscience Center, University of Jyväskylä, Survontie 9C, FI-40500 Jyväskylä, Finland; (S.S.); (K.K.); (M.L.)
- Correspondence: ; Tel.: +358-405634422
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10
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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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