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Jeremiah SS, Moin ASM, Butler AE. Virus-induced diabetes mellitus: revisiting infection etiology in light of SARS-CoV-2. Metabolism 2024; 156:155917. [PMID: 38642828 DOI: 10.1016/j.metabol.2024.155917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/14/2024] [Accepted: 04/14/2024] [Indexed: 04/22/2024]
Abstract
Diabetes mellitus (DM) is comprised of two predominant subtypes: type 1 diabetes mellitus (T1DM), accounting for approximately 5 % of cases worldwide and resulting from autoimmune destruction of insulin-producing β-cells, and type 2 (T2DM), accounting for approximately 95 % of cases globally and characterized by the inability of pancreatic β-cells to meet the demand for insulin due to a relative β-cell deficit in the setting of peripheral insulin resistance. Both types of DM involve derangement of glucose metabolism and are metabolic diseases generally considered to be initiated by a combination of genetic and environmental factors. Viruses have been reported to play a role as infectious etiological factors in the initiation of both types of DM in predisposed individuals. Among the reported viral infections causing DM in humans, the most studied include coxsackie B virus, cytomegalovirus and hepatitis C virus. The recent COVID-19 pandemic has highlighted the diabetogenic potential of SARS-CoV-2, rekindling interest in the field of virus-induced diabetes (VID). This review discusses the reported mechanisms of viral-induced DM, addressing emerging concepts in VID, as well as highlighting areas where knowledge is lacking, and further investigation is warranted.
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Affiliation(s)
| | - Abu Saleh Md Moin
- Royal College of Surgeons in Ireland - Medical University of Bahrain, Busaiteen, Kingdom of Bahrain.
| | - Alexandra E Butler
- Royal College of Surgeons in Ireland - Medical University of Bahrain, Busaiteen, Kingdom of Bahrain.
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2
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Borghol AH, Bitar ER, Hanna A, Naim G, Rahal EA. The role of Epstein-Barr virus in autoimmune and autoinflammatory diseases. Crit Rev Microbiol 2024:1-21. [PMID: 38634723 DOI: 10.1080/1040841x.2024.2344114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Accepted: 04/11/2024] [Indexed: 04/19/2024]
Abstract
Epstein-Barr Virus (EBV), a dsDNA herpesvirus, is believed to play a significant role in exacerbating and potentially triggering autoimmune and autoinflammatory maladies. Around 90% of the world is infected with the virus, which establishes latency within lymphocytes. EBV is also known to cause infectious mononucleosis, a self-limited flu-like illness, in adolescents. EBV is often reactivated and it employs several mechanisms of evading the host immune system. It has also been implicated in inducing host immune dysfunction potentially resulting in exacerbation or triggering of inflammatory processes. EBV has therefore been linked to a number of autoimmune diseases, including systemic lupus erythematosus, multiple sclerosis, rheumatoid arthritis, and Sjögren's syndrome. The review examines the molecular mechanisms through which the virus alters host immune system components thus possibly resulting in autoimmune processes. Understanding the mechanisms underpinning EBV-associated autoimmunity is pivotal; however, the precise causal pathways remain elusive. Research on therapeutic agents and vaccines for EBV has been stagnant for a long number of years until recent advances shed light on potential therapeutic targets. The implications of EBV in autoimmunity underscore the importance of developing targeted therapeutic strategies and, potentially, vaccines to mitigate the autoimmune burden associated with this ubiquitous virus.
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Affiliation(s)
- Abdul Hamid Borghol
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Center for Infectious Diseases Research (CIDR), American University of Beirut, Beirut, Lebanon
| | - Elio R Bitar
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Center for Infectious Diseases Research (CIDR), American University of Beirut, Beirut, Lebanon
| | - Aya Hanna
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Center for Infectious Diseases Research (CIDR), American University of Beirut, Beirut, Lebanon
| | - Georges Naim
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Center for Infectious Diseases Research (CIDR), American University of Beirut, Beirut, Lebanon
| | - Elias A Rahal
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
- Center for Infectious Diseases Research (CIDR), American University of Beirut, Beirut, Lebanon
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3
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Ventura I, Meira-Blanco GC, Legidos-García ME, Pérez-Bermejo M, Murillo-Llorente MT. Is There a Link between the Molecular Basis of Juvenile Idiopathic Arthritis and Autoimmune Diseases? Systematic Review. Int J Mol Sci 2024; 25:2803. [PMID: 38474052 DOI: 10.3390/ijms25052803] [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: 02/15/2024] [Revised: 02/25/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024] Open
Abstract
Juvenile Idiopathic Arthritis (JIA) is currently the most common chronic rheumatic disease in children. It is known to have no single identity, but a variety of diagnoses. Under-diagnosis is a barrier to early treatment and reduced complications of the disease. Other immune-mediated diseases may coexist in the same patient, making research in this area relevant. The main objective was to analyse whether links could be established between the molecular basis of JIA and other immune-mediated diseases. Early diagnosis may benefit patients with JIA, which in most cases goes undetected, leading to under-diagnosis, which can have a negative impact on children affected by the disease as they grow up. METHODS We performed a PRISMA systematic review focusing on immune molecules present in different autoimmune diseases. RESULTS A total of 13 papers from different countries dealing with the molecular basis of JIA and other immune diseases were evaluated and reviewed. CONCLUSIONS Most of the autoimmune diseases analysed responded to the same group of drugs. Unfortunately, the reason for the under-diagnosis of these diseases remains unknown, as no evidence has been found to correlate the immunomolecular basis with the under-diagnosis of these immune-mediated diseases. The lack of information in this area means that further research is needed in order to provide a sound basis for preventing the development of immune-mediated diseases, especially in children, and to improve their quality of life through early diagnosis and treatment.
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Affiliation(s)
- Ignacio Ventura
- Molecular and Mitochondrial Medicine Research Group, School of Medicine and Health Sciences, Catholic University of Valencia San Vicente Mártir, C/Quevedo no. 2, 46001 Valencia, Spain
- Translational Research Center San Alberto Magno CITSAM, Catholic University of Valencia San Vicente Mártir, C/Quevedo no. 2, 46001 Valencia, Spain
| | - Gemma Clara Meira-Blanco
- School of Medicine and Health Sciences, Catholic University of Valencia San Vicente Mártir, C/Quevedo no. 2, 46001 Valencia, Spain
| | - María Ester Legidos-García
- SONEV Research Group, Faculty of Medicine and Health Sciences, Catholic University of Valencia San Vicente Mártir, C/Quevedo no. 2, 46001 Valencia, Spain
| | - Marcelino Pérez-Bermejo
- SONEV Research Group, Faculty of Medicine and Health Sciences, Catholic University of Valencia San Vicente Mártir, C/Quevedo no. 2, 46001 Valencia, Spain
| | - María Teresa Murillo-Llorente
- SONEV Research Group, Faculty of Medicine and Health Sciences, Catholic University of Valencia San Vicente Mártir, C/Quevedo no. 2, 46001 Valencia, Spain
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4
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Li C, Han Y, Luo X, Qian C, Li Y, Su H, Du G. Immunomodulatory nano-preparations for rheumatoid arthritis. Drug Deliv 2023; 30:9-19. [PMID: 36482698 PMCID: PMC9744217 DOI: 10.1080/10717544.2022.2152136] [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] [Indexed: 12/13/2022] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease (AD) caused by the aberrant attack of the immune system on its own joint tissues. Genetic and environmental factors are the main reasons of immune system impairment and high incidence of RA. Although there are medications on the market that lessen disease activity, there is no known cure for RA, and patients are at risk in varying degrees of systemic immunosuppression. By transporting (encapsulating or surface binding) RA-related self-antigens, nucleic acids, immunomodulators, or cytokines, tolerogenic nanoparticles-also known as immunomodulatory nano-preparations-have the potential to gently regulate local immune responses and ultimately induce antigen-specific immune tolerance. We review the recent advances in immunomodulatory nano-preparations for delivering self-antigen or self-antigen plus immunomodulator, simulating apoptotic cell avatars in vivo, acting as artificial antigen-presenting cells, and based on scaffolds and gels, to provide a reference for developing new immunotherapies for RA.
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Affiliation(s)
- Chenglong Li
- Department of Pharmacy, The People’s Hospital of Deyang City, Deyang, P.R. China,CONTACT Chenglong Li Department of Pharmacy, The People’s Hospital of Deyang City, Deyang618000, P.R. China
| | - Yangyun Han
- Department of Neurosurgery, The People’s Hospital of Deyang City, Deyang, P.R. China
| | - Xianjin Luo
- Pharmaceutical Biotechnology, Center for System-based Drug Research, Ludwig-Maximilians-Universität, Munich, Germany
| | - Can Qian
- Department of Pharmacy, The People’s Hospital of Deyang City, Deyang, P.R. China
| | - Yang Li
- Department of Pharmacy, The People’s Hospital of Deyang City, Deyang, P.R. China
| | - Huaiyu Su
- Department of Pharmacy, The People’s Hospital of Deyang City, Deyang, P.R. China,Huaiyu Su Department of Pharmacy, The People’s Hospital of Deyang City, Deyang 618000, P.R. China
| | - Guangshen Du
- Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, P.R. China,Guangshen Du Key Laboratory of Drug Targeting and Drug Delivery Systems, Ministry of Education, West China School of Pharmacy, Sichuan University, Chengdu, P.R. China
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5
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Hirvonen MK, Lietzén N, Moulder R, Bhosale SD, Koskenniemi J, Vähä-Mäkilä M, Nurmio M, Orešič M, Ilonen J, Toppari J, Veijola R, Hyöty H, Lähdesmäki H, Knip M, Cheng L, Lahesmaa R. Serum APOC1 levels are decreased in young autoantibody positive children who rapidly progress to type 1 diabetes. Sci Rep 2023; 13:15941. [PMID: 37743383 PMCID: PMC10518308 DOI: 10.1038/s41598-023-43039-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 09/18/2023] [Indexed: 09/26/2023] Open
Abstract
Better understanding of the early events in the development of type 1 diabetes is needed to improve prediction and monitoring of the disease progression during the substantially heterogeneous presymptomatic period of the beta cell damaging process. To address this concern, we used mass spectrometry-based proteomics to analyse longitudinal pre-onset plasma sample series from children positive for multiple islet autoantibodies who had rapidly progressed to type 1 diabetes before 4 years of age (n = 10) and compared these with similar measurements from matched children who were either positive for a single autoantibody (n = 10) or autoantibody negative (n = 10). Following statistical analysis of the longitudinal data, targeted serum proteomics was used to verify 11 proteins putatively associated with the disease development in a similar yet independent and larger cohort of children who progressed to the disease within 5 years of age (n = 31) and matched autoantibody negative children (n = 31). These data reiterated extensive age-related trends for protein levels in young children. Further, these analyses demonstrated that the serum levels of two peptides unique for apolipoprotein C1 (APOC1) were decreased after the appearance of the first islet autoantibody and remained relatively less abundant in children who progressed to type 1 diabetes, in comparison to autoantibody negative children.
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Affiliation(s)
- M Karoliina Hirvonen
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Niina Lietzén
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
| | - Robert Moulder
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
| | - Santosh D Bhosale
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
| | - Jaakko Koskenniemi
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
- Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, and Centre for Population Health Research, University of Turku, Turku, Finland
| | - Mari Vähä-Mäkilä
- Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
| | - Mirja Nurmio
- Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
| | - Matej Orešič
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | - Jorma Ilonen
- Immunogenetics Laboratory, University of Turku, Turku, Finland
| | - Jorma Toppari
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland
- Department of Pediatrics, University of Turku and Turku University Hospital, Turku, Finland
- Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, and Centre for Population Health Research, University of Turku, Turku, Finland
| | - Riitta Veijola
- Department of Pediatrics, Research Unit of Clinical Medicine, Medical Research Center, University of Oulu, Oulu, Finland
- Department for Children and Adolescents, Medical Research Center, Oulu University Hospital, Oulu, Finland
| | - Heikki Hyöty
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Fimlab Laboratories, Tampere, Finland
| | - Harri Lähdesmäki
- Department of Computer Science, Aalto University School of Science, Aalto, Finland
| | - Mikael Knip
- Pediatric Research Center, New Children's Hospital, Helsinki University Hospital, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Pediatrics, Tampere University Hospital, Tampere, Finland
| | - Lu Cheng
- Department of Computer Science, Aalto University School of Science, Aalto, Finland.
| | - Riitta Lahesmaa
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, Turku, Finland.
- InFLAMES Research Flagship Center, University of Turku, Turku, Finland.
- Institute of Biomedicine, University of Turku, Turku, Finland.
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Root-Bernstein R, Chiles K, Huber J, Ziehl A, Turke M, Pietrowicz M. Clostridia and Enteroviruses as Synergistic Triggers of Type 1 Diabetes Mellitus. Int J Mol Sci 2023; 24:ijms24098336. [PMID: 37176044 PMCID: PMC10179352 DOI: 10.3390/ijms24098336] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/24/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
What triggers type 1 diabetes mellitus (T1DM)? One common assumption is that triggers are individual microbes that mimic autoantibody targets such as insulin (INS). However, most microbes highly associated with T1DM pathogenesis, such as coxsackieviruses (COX), lack INS mimicry and have failed to induce T1DM in animal models. Using proteomic similarity search techniques, we found that COX actually mimicked the INS receptor (INSR). Clostridia were the best mimics of INS. Clostridia antibodies cross-reacted with INS in ELISA experiments, confirming mimicry. COX antibodies cross-reacted with INSR. Clostridia antibodies further bound to COX antibodies as idiotype-anti-idiotype pairs conserving INS-INSR complementarity. Ultraviolet spectrometry studies demonstrated that INS-like Clostridia peptides bound to INSR-like COX peptides. These complementary peptides were also recognized as antigens by T cell receptor sequences derived from T1DM patients. Finally, most sera from T1DM patients bound strongly to inactivated Clostridium sporogenes, while most sera from healthy individuals did not; T1DM sera also exhibited evidence of anti-idiotype antibodies against idiotypic INS, glutamic acid decarboxylase, and protein tyrosine phosphatase non-receptor (islet antigen-2) antibodies. These results suggest that T1DM is triggered by combined enterovirus-Clostridium (and possibly combined Epstein-Barr-virus-Streptococcal) infections, and the probable rate of such co-infections approximates the rate of new T1DM diagnoses.
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Affiliation(s)
| | - Kaylie Chiles
- Department of Physiology, Michigan State University, East Lansing, MI 48824, USA
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI 48824, USA
| | - Jack Huber
- Department of Physiology, Michigan State University, East Lansing, MI 48824, USA
| | - Alison Ziehl
- Department of Physiology, Michigan State University, East Lansing, MI 48824, USA
| | - Miah Turke
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Maja Pietrowicz
- Department of Physiology, Michigan State University, East Lansing, MI 48824, USA
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7
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Miao Y, Wang J, Zhang B, Zhang W, Xu X, Hou Y, Ding Q, Yu C, Zhang Z, Bi Y, Zhu D. Altered brain spontaneous and synchronization activity in latent autoimmune diabetes in adults: A resting-state functional MRI study. Diabetes Metab Res Rev 2023; 39:e3587. [PMID: 36306532 DOI: 10.1002/dmrr.3587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2022] [Revised: 07/26/2022] [Accepted: 09/15/2022] [Indexed: 01/10/2023]
Abstract
AIMS This study aimed to explore the clinical features and spontaneous brain activity among patients with latent autoimmune diabetes in adults (LADA) and to investigate the relationship among these characteristics. METHODS We conducted a cross-sectional study using cognitive assessments and resting-state functional magnetic resonance imaging (rs-fMRI) to evaluate the cognitive function and brain activities of healthy controls (HCs) and patients with LADA. Functional connectivity (FC) analysis was performed on the brain regions that showed significantly different activation in regional homogeneity (ReHo) analysis between the two groups. Furthermore, a linear regression model was conducted for the association between metabolism and cognition. RESULTS This study enrolled patients with LADA (and age-, sex-, and education-matched HCs). Patients with LADA had worse cognitive status at the general level and poorer memory than controls. Rs-fMRI analysis among patients with LADA showed decreased ReHo values in the right occipital lobe and temporal lobe and decreased seed-based FC in the right parietal lobe compared to those of controls. The seed-based FC values in the right parietal lobe were positively associated with word fluency and processing speed in patients with LADA. Furthermore, low-density lipoprotein cholesterol was negatively correlated with Montreal Cognitive Assessment scores in patients with LADA. CONCLUSIONS Patients with LADA had worse cognitive function and decreased spontaneous brain activity in the temporal lobe and occipital lobe compared to controls. Moreover, glycolipid metabolism was closely related to brain structure and function in patients with LADA.
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Affiliation(s)
- Yingwen Miao
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Jin Wang
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Bing Zhang
- Department of Radiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Wen Zhang
- Department of Radiology, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Xiang Xu
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Yingjiao Hou
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Qun Ding
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Congcong Yu
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Zhou Zhang
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Yan Bi
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
| | - Dalong Zhu
- Department of Endocrinology, Drum Tower Hospital Affiliated to Nanjing University Medical School, Branch of National Clinical Research Centre for Metabolic Diseases, Nanjing, China
- Endocrine and Metabolic Disease Medical Centre, Drum Tower Hospital Affiliated to Nanjing University Medical School, Nanjing, China
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Yu J, Sharma P, Girgis CM, Gunton JE. Vitamin D and Beta Cells in Type 1 Diabetes: A Systematic Review. Int J Mol Sci 2022; 23:ijms232214434. [PMID: 36430915 PMCID: PMC9696701 DOI: 10.3390/ijms232214434] [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: 10/12/2022] [Revised: 11/09/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
The prevalence of type 1 diabetes (T1D) is rising steadily. A potential contributor to the rise is vitamin D. In this systematic review, we examined the literature around vitamin D and T1D. We identified 22 papers examining the role of vitamin D in cultured β-cell lines, islets, or perfused pancreas, and 28 papers examining vitamin D in humans or human islets. The literature reports strong associations between T1D and low circulating vitamin D. There is also high-level (systematic reviews, meta-analyses) evidence that adequate vitamin D status in early life reduces T1D risk. Several animal studies, particularly in NOD mice, show harm from D-deficiency and benefit in most studies from vitamin D treatment/supplementation. Short-term streptozotocin studies show a β-cell survival effect with supplementation. Human studies report associations between VDR polymorphisms and T1D risk and β-cell function, as assessed by C-peptide. In view of those outcomes, the variable results in human trials are generally disappointing. Most studies using 1,25D, the active form of vitamin D were ineffective. Similarly, studies using other forms of vitamin D were predominantly ineffective. However, it is interesting to note that all but one of the studies testing 25D reported benefit. Together, this suggests that maintenance of optimal circulating 25D levels may reduce the risk of T1D and that it may have potential for benefits in delaying the development of absolute or near-absolute C-peptide deficiency. Given the near-complete loss of β-cells by the time of clinical diagnosis, vitamin D is much less likely to be useful after disease-onset. However, given the very low toxicity of 25D, and the known benefits of preservation of C-peptide positivity for long-term complications risk, we recommend considering daily cholecalciferol supplementation in people with T1D and people at high risk of T1D, especially if they have vitamin D insufficiency.
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Affiliation(s)
- Josephine Yu
- Centre for Diabetes, Obesity and Endocrinology (CDOE), The Westmead Institute for Medical Research, The University of Sydney, Westmead, Sydney, NSW 2145, Australia
| | - Preeti Sharma
- Centre for Diabetes, Obesity and Endocrinology (CDOE), The Westmead Institute for Medical Research, The University of Sydney, Westmead, Sydney, NSW 2145, Australia
- Faculty of Medicine and Health, The University of Sydney, Camperdown, Sydney, NSW 2050, Australia
| | - Christian M. Girgis
- Centre for Diabetes, Obesity and Endocrinology (CDOE), The Westmead Institute for Medical Research, The University of Sydney, Westmead, Sydney, NSW 2145, Australia
- Faculty of Medicine and Health, The University of Sydney, Camperdown, Sydney, NSW 2050, Australia
- Department of Diabetes and Endocrinology, Westmead Hospital, Westmead, Sydney, NSW 2145, Australia
| | - Jenny E. Gunton
- Centre for Diabetes, Obesity and Endocrinology (CDOE), The Westmead Institute for Medical Research, The University of Sydney, Westmead, Sydney, NSW 2145, Australia
- Faculty of Medicine and Health, The University of Sydney, Camperdown, Sydney, NSW 2050, Australia
- Department of Diabetes and Endocrinology, Westmead Hospital, Westmead, Sydney, NSW 2145, Australia
- Correspondence: ; Tel.: +61-2-8890-8089
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Yin M, Zhang Y, Liu S, Huang J, Li X. Gene Expression Signatures Reveal Common Virus Infection Pathways in Target Tissues of Type 1 Diabetes, Hashimoto's Thyroiditis, and Celiac Disease. Front Immunol 2022; 13:891698. [PMID: 35795668 PMCID: PMC9251511 DOI: 10.3389/fimmu.2022.891698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/26/2022] [Indexed: 11/16/2022] Open
Abstract
Type 1 diabetes (T1D) patients are at heightened risk for other autoimmune disorders, particularly Hashimoto's thyroiditis (HT) and celiac disease (CD). Recent evidence suggests that target tissues of autoimmune diseases engage in a harmful dialogue with the immune system. However, it is unclear whether shared mechanisms drive similar molecular signatures at the target tissues among T1D, HT, and CD. In our current study, microarray datasets were obtained and mined to identify gene signatures from disease-specific targeted tissues including the pancreas, thyroid, and intestine from individuals with T1D, HT, and CD, as well as their matched controls. Further, the threshold-free algorithm rank-rank hypergeometric overlap analysis (RRHO) was used to compare the genomic signatures of the target tissues of the three autoimmune diseases. Next, promising drugs that could potentially reverse the observed signatures in patients with two or more autoimmune disorders were identified using the cloud-based CLUE software platform. Finally, microarray data of auto-antibody positive individuals but not diagnosed with T1D and single cell sequencing data of patients with T1D and HT were used to validate the shared transcriptomic fingerprint. Our findings revealed significant common gene expression changes in target tissues of the three autoimmune diseases studied, many of which are associated with virus infections, including influenza A, human T-lymphotropic virus type 1, and herpes simplex infection. These findings support the importance of common environmental factors in the pathogenesis of T1D, HT, and CD.
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Affiliation(s)
- Min Yin
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yan Zhang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Shanshan Liu
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Juan Huang
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
- Section of Endocrinology, Department of Internal Medicine, School of Medicine, Yale University, New Haven, CT, United States
| | - Xia Li
- National Clinical Research Center for Metabolic Diseases, Key Laboratory of Diabetes Immunology, Ministry of Education, Changsha, China
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
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Harms RZ, Ostlund KR, Cabrera M, Edwards E, Smith VB, Smith LM, Sarvetnick N. Frequencies of CD8 and DN MAIT Cells Among Children Diagnosed With Type 1 Diabetes Are Similar to Age-Matched Controls. Front Immunol 2021; 12:604157. [PMID: 33708202 PMCID: PMC7940386 DOI: 10.3389/fimmu.2021.604157] [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: 09/08/2020] [Accepted: 01/26/2021] [Indexed: 11/13/2022] Open
Abstract
Mucosal-associated invariant T (MAIT) cells have been implicated in various forms of autoimmunity, including type 1 diabetes (T1D). Here, we tested the hypothesis that CD8 and double negative (DN) MAIT cell frequencies were altered among diagnosed T1D subjects compared to controls. To do this, we analyzed cryopreserved peripheral blood mononuclear cells (PBMCs) from age-matched T1D and control children using flow cytometry. We observed that CD8 and DN MAIT cell frequencies were similarly abundant between the two groups. We tested for associations between MAIT cell frequency and T1D-associated parameters, which could reveal a pathogenic role for MAIT cells in the absence of changes in frequency. We found no significant associations between CD8 and DN MAIT cell frequency and levels of islet cell autoantibodies (ICA), glutamate decarboxylase 65 (GAD65) autoantibodies, zinc transporter 8 (ZNT8) autoantibodies, and insulinoma antigen 2 (IA-2) autoantibodies. Furthermore, CD8 and DN MAIT cell frequencies were not significantly associated with time since diagnosis, c-peptide levels, HbA1c, and BMI. As we have examined this cohort for multiple soluble factors previously, we tested for associations between relevant factors and MAIT cell frequency. These could help to explain the broad range of MAIT frequencies we observed and/or indicate disease-associated processes. Although we found nothing disease-specific, we observed that levels of IL-7, IL-18, 25 (OH) vitamin D, and the ratio of vitamin D binding protein to 25 (OH) vitamin D were all associated with MAIT cell frequency. Finally, previous cytomegalovirus infection was associated with reduced CD8 and DN MAIT cells. From this evaluation, we found no connections between CD8 and DN MAIT cells and children with T1D. However, we did observe several intrinsic and extrinsic factors that could influence peripheral MAIT cell abundance among all children. These factors may be worth consideration in future experimental design.
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Affiliation(s)
- Robert Z Harms
- Department of Surgery-Transplant, University of Nebraska Medical Center, Omaha, NE, United States
| | - Katie R Ostlund
- Department of Surgery-Transplant, University of Nebraska Medical Center, Omaha, NE, United States
| | - Monina Cabrera
- Pediatric Endocrinology, University of Nebraska Center, Omaha, NE, United States.,Children's Pediatric Endocrinology, Children's Hospital and Medical Center, Omaha, NE, United States
| | - Earline Edwards
- Pediatric Endocrinology, University of Nebraska Center, Omaha, NE, United States.,Children's Pediatric Endocrinology, Children's Hospital and Medical Center, Omaha, NE, United States
| | - Victoria B Smith
- Office of the Vice Chancellor of Research, University of Nebraska Medical Center, Omaha, NE, United States
| | - Lynette M Smith
- Department of Biostatistics, University of Nebraska Medical Center, Omaha, NE, United States
| | - Nora Sarvetnick
- Department of Surgery-Transplant, University of Nebraska Medical Center, Omaha, NE, United States.,Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, Omaha, NE, United States
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