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The role of cytokines and T-bet, GATA3, ROR-γt, and FOXP3 transcription factors of T cell subsets in the natural clinical progression of Type 1 Diabetes. Immunol Res 2023; 71:451-462. [PMID: 36595206 DOI: 10.1007/s12026-022-09355-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 12/26/2022] [Indexed: 01/04/2023]
Abstract
Th cells play an important role in pathogenesis of type 1 diabetes (T1D). Peripheral blood mononuclear cells were isolated from peripheral blood samples from newly diagnosed (ND), 1-year (1YD), and 5-year T1D (5YD) patients (n:8 of each group), 8 healthy controls (HC), and cultured for 24 h under unstimulated (US) and stimulated conditions. Cell ratios of Th1, Th2, Th17, Treg, and intracellular levels of IFN-γ, TNF-α, IL-10, TGF-β, IL-5, IL-13, IL-17, and IL-21 cytokines were evaluated using the flow cytometry. mRNA expressions of transcription factors T-bet, GATA3, ROR-γt, and FOXP3 of these cells were determined by real-time PCR. Reduced CD4+CD25high cell ratios were detected in ND. CD4+CD25high cells were found to be reduced in ND and 1YD compared to HC under IL-2-stimulated conditions. Intracellular IFN-γ and TNF-α levels were low in all patients under US and IL-12-stimulated conditions. IL-17A and IL-21 were found to be high in patients with IL-6-stimulated conditions. Expressions of IL-10 and TGF-β have been observed to be reduced in patients. Th1/Th2, Th17/Treg, and Th1/Treg ratios were higher in patient groups. FOXP3 and GATA3 mRNA expressions were found to be low in patients, while RORγt and T-bet mRNA levels were higher than HC. Th1, Th17, and Treg cells and their cytokines have been shown to be associated with type 1 diabetes.
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2
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Wu J, Jiang C, Hua Y, Liu X, You C. Association between polymorphisms of cytokine genes and diabetic nephropathy: A comprehensive systematic review and meta-analysis. Int J Clin Pract 2021; 75:e14634. [PMID: 34309136 DOI: 10.1111/ijcp.14634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/21/2021] [Indexed: 11/30/2022] Open
Abstract
AIM Diabetic nephropathy (DN) is one of the microvascular complications of diabetes, leading to renal failure. In this study, we sought to systematically investigate the cytokine gene polymorphisms association with DN. METHODS A structured bibliographic search on PubMed, Scopus, and EMBASE databases has been performed to identify related papers. The odds ratio and corresponding 95% confidence intervals (CIs) were calculated to estimate the association. RESULTS Overall, the pooled results showed that the dominant models of TNF-α rs1800629, IL-1β rs16944, IL-8 rs4073, and IL-10 rs1800896 were associated with increased susceptibility to DN. Also, the pooled analyses of the mutant allele vs wild allele of TNF-α rs1800629, rs1799964, IL-1β rs16944, and IL-8 rs4073 were associated with increased susceptibility to DN. Rs1800629, rs16944, rs4073, and rs1800896 polymorphisms were significantly associated with DN susceptibility, suggesting its potential use as a genetic risk marker in the population.
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Affiliation(s)
- Jinwen Wu
- Endocrinology Department, the Second People's Hospital of Yibin, Yibin, China
| | - Chengxia Jiang
- Endocrinology Department, the Second People's Hospital of Yibin, Yibin, China
| | - Yan Hua
- Endocrinology Department, the Second People's Hospital of Yibin, Yibin, China
| | - Xin Liu
- Endocrinology Department, the Second People's Hospital of Yibin, Yibin, China
| | - Chengshan You
- Endocrinology Department, the Second People's Hospital of Yibin, Yibin, China
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3
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Jahromi M, Al-Otaibi T, Ashry Gheith O, Farouk Othman N, Mahmoud T, Nair P, A-Halim M, Aggarwal P, Messenger G, Chu P, De Serres SA, Azzi JR. Analysis of the frequency of single nucleotide polymorphisms in cytokine genes in patients with New Onset Diabetes After Transplant. Sci Rep 2021; 11:6014. [PMID: 33727573 PMCID: PMC7966742 DOI: 10.1038/s41598-021-84400-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 01/13/2021] [Indexed: 12/03/2022] Open
Abstract
New Onset Diabetes After Transplantation (NODAT) is a serious metabolic complication. While β-cell dysfunction is considered the main contributing factor in the development of NODAT, the precise pathogenesis is not well understood. Cytokines are thought to be involved in the inflammation of islet β-cells in diabetes; however, few studies have investigated this hypothesis in NODAT. A total of 309 kidney transplant recipients (KTRs) were included in this study. An association between kidney transplants, and the development of diabetes after transplant (NODAT) was investigated. Comparison was made between KTRs who develop diabetes (NODAT cases) or did not develop diabetes (control), using key cytokines, IL-6 G (− 174)C, macrophage mediator; IL-4 C (− 490)T, T helper (Th)-2 cytokine profile initiator; Th-1 cytokine profile initiator interferon-γ T (+ 874) A gene and TGF β1 C (+ 869) T gene polymorphisms were investigated. The genes were amplified using well-established polymerase chain reaction (PCR) techniques in our laboratory. Compared to the AA and AT genotypes of interferon gamma (IFNG), there was a strong association between the TT genotype of IFNG and NODAT kidney transplant recipients (KTRs) versus non-NODAT KTRs (p = 0.005). The AA genotype of IFNG was found to be predominant in the control group (p = 0.004). Also, significant variations of IL6 G (− 174) C, IL-4 C (− 590) T, interferon-γ T (+ 874) A gene and transforming growth factor β1 C (+ 869) T may contribute to NODAT. Our data is consistent with theTh-1/T-reg pathway of immunity. Further larger pan Arab studies are required to confirm our findings.
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Affiliation(s)
- Mohamed Jahromi
- Clinical Research, Medical Division, Dasman Diabetes Institute, Kuwait City, Kuwait. .,Sehatek Awal, Manama, Bahrain.
| | - Torki Al-Otaibi
- Nephrology Department, Hamad Al-Essa Organ Transplantation Center, Kuwait City, Kuwait
| | - Osama Ashry Gheith
- Nephrology Department, Hamad Al-Essa Organ Transplantation Center, Kuwait City, Kuwait.,Urology and Nephrology Center, Mansoura University, Mansoura, Egypt
| | - Nashwa Farouk Othman
- Community department, Faculty of Nursing, Manoura University, Mansoura, Egypt.,Education, Clinical Services Division, Dasman Diabetes Institute, Kuwait City, Kuwait
| | - Tarek Mahmoud
- Nephrology Department, Hamad Al-Essa Organ Transplantation Center, Kuwait City, Kuwait
| | - Parasad Nair
- Nephrology Department, Hamad Al-Essa Organ Transplantation Center, Kuwait City, Kuwait
| | - Medhat A-Halim
- Nephrology Department, Hamad Al-Essa Organ Transplantation Center, Kuwait City, Kuwait
| | | | - Grace Messenger
- Podiatry Department, Dasman Diabetes Institute, Kuwait City, Kuwait
| | | | | | - Jamil R Azzi
- Kidney Division, Transplantation Research Center, Harvard Medical School, Brigham and Women's Hospital, Boston, USA
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4
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Alves LV, Martins SR, Simões E Silva AC, Cardoso CN, Gomes KB, Mota APL. TNF, IL-6, and IL-10 cytokines levels and their polymorphisms in renal function and time after transplantation. Immunol Res 2020; 68:246-254. [PMID: 32808189 DOI: 10.1007/s12026-020-09147-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cytokine polymorphisms can influence their plasma levels and thus affect the immune response in renal transplantation. A total of 146 renal transplant recipients (RTR) were classified into groups according to the estimated glomerular filtration rate (R1: < 60 and R2: ≥ 60 mL/min/1.73 m2) and time after transplantation (T1: 1 to 24, T2: 25 to 60, T3: 61 to 120, and T4: > 120 months after transplantation). The polymorphisms were genotyped by single specific primer-polymerase chain reaction. IL-10 was measured by ELISA and IL-6, and TNF levels were determined using Miliplex®. A higher frequency of the - 308G allele and the - 308G/G genotype, low-producer, was observed in the R1 group compared with R2. In addition, a higher frequency of the - 308A carriers, high-producer, was found in the R2 group. However, no significant difference was observed in cytokine levels when both groups were compared. Higher levels of IL-6 were observed in T1 compared with T2 and T4 groups. Lower IL-6 levels were found in T2 compared with T3 group. Lower levels of IL-10 were also found in T1 group in relation to T2, while higher levels of this cytokine were observed in T2 group compared with T3. The results suggest that the - 308G > A polymorphism in the TNF gene is associated with filtration function after renal transplantation, and IL-6 and IL-10 levels change according to the time after transplantation. Thus, the joint evaluation of - 308G > A polymorphism in TNF gene and IL-6 and IL-10 levels would provide a broader and effective view on the clinical monitoring of RTR.
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Affiliation(s)
- Lorraine Vieira Alves
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy - Federal University of Minas Gerais, Avenida Antonio Carlos, 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270901, Brazil
| | - Suellen Rodrigues Martins
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy - Federal University of Minas Gerais, Avenida Antonio Carlos, 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270901, Brazil
| | - Ana Cristina Simões E Silva
- Department of Pediatrics, Faculty of Medicine - Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Carolina Neris Cardoso
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy - Federal University of Minas Gerais, Avenida Antonio Carlos, 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270901, Brazil
| | - Karina Braga Gomes
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy - Federal University of Minas Gerais, Avenida Antonio Carlos, 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270901, Brazil
| | - Ana Paula Lucas Mota
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy - Federal University of Minas Gerais, Avenida Antonio Carlos, 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270901, Brazil.
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5
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Amin K, Qadr SH, Hassan Hussein R, Ali KM, Rahman HS. Levels of cytokines and GADA in type I and II diabetic patients. Prim Care Diabetes 2020; 14:61-67. [PMID: 31014937 DOI: 10.1016/j.pcd.2019.03.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 03/16/2019] [Accepted: 03/25/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Diabetes Mellitus is described as a group of metabolic diseases in which the patient has higher blood glucose levels due to many causes. These include a defect in insulin secretion and failure of the body's cells to respond to the hormone. Cytokines and autoantibodies have a critical role in the pathogenesis of diabetes, especially type I. AIM OF THE STUDY The aim of this study was to measure the serum levels of interleukin-1 beta (IL-1 β), interleukin-3 (IL-3), interferon-gamma (INF- γ), and glutamic acid decarboxylase autoantibody (GADA) in patients with type I and type II diabetes mellitus. MATERIAL AND METHODS In this cross-sectional study, serum samples were taken from 250 individuals, including 100 samples from patients with type II diabetes mellitus, 100 samples from healthy controls, and 50 samples from patients with type I diabetes mellitus. Five milliliters of venous blood were taken from each individual and the samples were analyzed for cytokines (IL-1 β, IL-3, and INF- γ) and GABA using ELISA. RESULTS In the study, we found that the serum levels of IL-1 β were significantly higher in the healthy control group compared to the patients with type I and type II diabetes mellitus. The levels of IL-3 and INF- γ were significantly higher in type II diabetes mellitus, while GABA serum levels were higher in type I diabetes mellitus. CONCLUSION Our data showed that GADA is an important autoantibody, not only in type I but also in type II diabetes mellitus and can probably be used in the future for diagnosis of this disease. There was also a close association of GADA with systemic immunoregulation in type I and II diabetes mellitus. The relation of cytokines (IL-1 β, IL-3, and INF- γ) and GADA in patients with diabetes will also increase our understanding for the immunology of diabetes mellitus and to propose specific treatment on the basis of our findings. Our data also include correlation between age and the level of cytokines and GADA with different conclusion for each parameter.
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Affiliation(s)
- Kawa Amin
- Department of Medical Science, Respiratory Medicine and Allergology, Clinical Chemistry and Asthma Research Centre, Uppsala University and University Hospital, Uppsala, Sweden; Department of Microbiology/Immunology, College of Medicine, University of Sulaimani, Sulaimani, Iraq.
| | - Shnyar Hamid Qadr
- Department of Clinical Biochemistry, College of Pharmacy, University of Sulaimani, Iraq
| | | | - Kosar Muhammad Ali
- Department of Medicine, College of Medicine, University of Sulaimani, Sulaimani, Iraq
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6
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Tabaei S, Mehrad-Majd H, Soori M, Tabaee S. The effect of tumor necrosis factor alpha (-308G/a) and interferon gamma (+874T/a) polymorphisms on susceptibility to coronary heart disease. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2019; 38:701-712. [PMID: 31140911 DOI: 10.1080/15257770.2018.1489964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background: Coronary heart disease (CHD) is a chronic inflammatory disease, which is still regarded as a major cause of morbidity and mortality worldwide. Several studies have suggested that polymorphisms in cytokine genes are associated with the pathogenesis of CHD. The genotype distribution of Tumor necrosis factor alpha (TNF-α) and interferon gamma (IFN-γ) genes polymorphisms have been shown to be different in various ethnic populations. This study was aimed to investigate the association of TNF-α-308 G/A and IFN-γ + 874T/A polymorphisms with risk of CHD in an Iranian population. Methods: A total of 187 unrelated subjects comprised 96 CHD patients and 91 healthy controls were enrolled in this cross-sectional study. The TNF-α-308 G/A and IFN-γ + 874T/A polymorphisms were genotyped using amplification refractory mutation system-PCR (ARMS-PCR). The chi-square and logistic regression tests were used to calculate the odds ratios (ORs) as a measure of differences in genotype frequencies. Results: A significant differences in the allelic and genotypic distribution of TNF-α-308 G/A and IFN-γ + 874T/A polymorphisms was found between CHD patients and healthy controls (P = 0.017, P = 0.011, P = 0.006 and P = 0.002, respectively). Logistic regression analyses were also revealed statistically significant risk for CHD with respect to TNF-α-308 A and IFN-γ + 874 T carriers either in crude or after adjustment for potential confounders (P = 0.003 and P = 0.006, respectively). Conclusion: This study provides strong evidence supporting the association of TNF-α-308G/A and IFN-γ + 874T/A polymorphisms with the increased risk of CHD. Therefore, these two cytokine polymorphisms may play a role in predisposition to coronary heart disease.
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Affiliation(s)
- Samira Tabaei
- a Department of Immunology, School of Medicine, Shiraz University of Medical Sciences , Shiraz , Iran
| | - Hassan Mehrad-Majd
- b Clinical Research Unit, Mashhad University of Medical Sciences , Mashhad , Iran
| | - Maryam Soori
- c Department of Biochemistry, Islamic Azad University of Hamedan , Hamedan , Iran
| | - Samaneh Tabaee
- d Faculty of Medicine, Neyshabur University of Medical Sciences , Neyshabur , Iran
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7
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Nyaga DM, Vickers MH, Jefferies C, Perry JK, O’Sullivan JM. Type 1 Diabetes Mellitus-Associated Genetic Variants Contribute to Overlapping Immune Regulatory Networks. Front Genet 2018; 9:535. [PMID: 30524468 PMCID: PMC6258722 DOI: 10.3389/fgene.2018.00535] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 10/22/2018] [Indexed: 01/01/2023] Open
Abstract
Type 1 diabetes (T1D) is a chronic metabolic disorder characterized by the autoimmune destruction of insulin-producing pancreatic islet beta cells in genetically predisposed individuals. Genome-wide association studies (GWAS) have identified over 60 risk regions across the human genome, marked by single nucleotide polymorphisms (SNPs), which confer genetic predisposition to T1D. There is increasing evidence that disease-associated SNPs can alter gene expression through spatial interactions that involve distal loci, in a tissue- and development-specific manner. Here, we used three-dimensional (3D) genome organization data to identify genes that physically co-localized with DNA regions that contained T1D-associated SNPs in the nucleus. Analysis of these SNP-gene pairs using the Genotype-Tissue Expression database identified a subset of SNPs that significantly affected gene expression. We identified 246 spatially regulated genes including HLA-DRB1, LAT, MICA, BTN3A2, CTLA4, CD226, NOTCH1, TRIM26, PTEN, TYK2, CTSH, and FLRT3, which exhibit tissue-specific effects in multiple tissues. We observed that the T1D-associated variants interconnect through networks that form part of the immune regulatory pathways, including immune-cell activation, cytokine signaling, and programmed cell death protein-1 (PD-1). Our results implicate T1D-associated variants in tissue and cell-type specific regulatory networks that contribute to pancreatic beta cell inflammation and destruction, adaptive immune signaling, and immune-cell proliferation and activation. A number of other regulatory changes we identified are not typically considered to be central to the pathology of T1D. Collectively, our data represent a novel resource for the hypothesis-driven development of diagnostic, prognostic, and therapeutic interventions in T1D.
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Affiliation(s)
- Denis M. Nyaga
- The Liggins Institute, The University of Auckland, Auckland, New Zealand
| | - Mark H. Vickers
- The Liggins Institute, The University of Auckland, Auckland, New Zealand
| | - Craig Jefferies
- The Liggins Institute, The University of Auckland, Auckland, New Zealand
- Starship Children’s Health, Auckland, New Zealand
| | - Jo K. Perry
- The Liggins Institute, The University of Auckland, Auckland, New Zealand
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8
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Salomon BL, Leclerc M, Tosello J, Ronin E, Piaggio E, Cohen JL. Tumor Necrosis Factor α and Regulatory T Cells in Oncoimmunology. Front Immunol 2018; 9:444. [PMID: 29593717 PMCID: PMC5857565 DOI: 10.3389/fimmu.2018.00444] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2017] [Accepted: 02/19/2018] [Indexed: 12/13/2022] Open
Abstract
Tumor necrosis factor α (TNF) is a potent pro-inflammatory cytokine that has deleterious effect in some autoimmune diseases, which led to the use of anti-TNF drugs in some of these diseases. However, some rare patients treated with these drugs paradoxically develop an aggravation of their disease or new onset autoimmunity, revealing an immunosuppressive facet of TNF. A possible mechanism of this observation is the direct and positive effect of TNF on regulatory T cells (Tregs) through its binding to the TNF receptor type 2 (TNFR2). Indeed, TNF is able to increase expansion, stability, and possibly function of Tregs via TNFR2. In this review, we discuss the role of TNF in graft-versus-host disease as an example of the ambivalence of this cytokine in the pathophysiology of an immunopathology, highlighting the therapeutic potential of triggering TNFR2 to boost Treg expansion. We also describe new targets in immunotherapy of cancer, emphasizing on the putative suppressive effect of TNF in antitumor immunity and of the interest of blocking TNFR2 to regulate the Treg compartment.
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Affiliation(s)
- Benoît L Salomon
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Mathieu Leclerc
- Université Paris-Est and INSERM U955, Créteil, France.,Service d'Hématologie Clinique et de Thérapie Cellulaire, Assistance Publique Hôpitaux de Paris (APHP), Hôpital H. Mondor, Créteil, France
| | - Jimena Tosello
- Center of Cancer Immunotherapy and Centre d'Investigation Clinique Biothérapie 1428, Institut Curie, PSL Research University, INSERM U932, Paris, France
| | - Emilie Ronin
- Sorbonne Université, INSERM, CNRS, Centre d'Immunologie et des Maladies Infectieuses (CIMI-Paris), Paris, France
| | - Eliane Piaggio
- Center of Cancer Immunotherapy and Centre d'Investigation Clinique Biothérapie 1428, Institut Curie, PSL Research University, INSERM U932, Paris, France
| | - José L Cohen
- Université Paris-Est and INSERM U955, Créteil, France.,Centre d'Investigation Clinique Biothérapie, Assistance Publique Hôpitaux de Paris (APHP), Hôpital H. Mondor, Créteil, France
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9
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Allam G, Nasr A, Talaat IM, Abuelsaad ASA, Bakheit AM, Nemenqani D, Alsulaimani AA. Association between cytokine genes polymorphisms and type 1 diabetes: a case-control study on Saudi population. Immunol Invest 2017; 47:229-240. [DOI: 10.1080/08820139.2017.1416398] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Gamal Allam
- Department of Microbiology and Immunology, College of Medicine, Taif University , Taif, Saudi Arabia
- Immunology Section, Department of Zoology, Faculty of Science, Beni-Suef University , Beni-Suef, Egypt
| | - Amre Nasr
- Department of Basic Medical Sciences, College of Medicine, KSAU-HS , Riyadh, Saudi Arabia
- Department of Microbiology, Faculty of Science and Technology, Al-Neelain University , Khartoum, Sudan
| | - Iman M. Talaat
- Department of Pediatrics, Faculty of Medicine, Ain Shams University , Cairo, Egypt
| | - Abdelaziz S. A. Abuelsaad
- Department of Microbiology and Immunology, College of Medicine, Taif University , Taif, Saudi Arabia
- Immunology Section, Department of Zoology, Faculty of Science, Beni-Suef University , Beni-Suef, Egypt
| | - Ali M. Bakheit
- Department of Community Medicine, College of Medicine, Taif University , Taif, Saudi Arabia
| | - Dalal Nemenqani
- Department of Pathology, College of Medicine, Taif University , Taif, Saudi Arabia
| | - Adnan A. Alsulaimani
- Department of Pediatrics, College of Medicine, Taif University , Taif, Saudi Arabia
- Diabetic Center , Department of Pediatrics, Prince Mansour Military Community Hospital, Taif, Saudi Arabia
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10
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Zhang J, Chen Z, Zhou Z, Yang P, Wang CY. Sumoylation Modulates the Susceptibility to Type 1 Diabetes. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 963:299-322. [DOI: 10.1007/978-3-319-50044-7_18] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Precechtelova J, Borsanyiova M, Sarmirova S, Bopegamage S. Type I diabetes mellitus: genetic factors and presumptive enteroviral etiology or protection. J Pathog 2014; 2014:738512. [PMID: 25574400 PMCID: PMC4276674 DOI: 10.1155/2014/738512] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Revised: 07/14/2014] [Accepted: 11/09/2014] [Indexed: 02/06/2023] Open
Abstract
We review type 1 diabetes and host genetic components, as well as epigenetics and viruses associated with type 1 diabetes, with added emphasis on the enteroviruses, which are often associated with triggering the disease. Genus Enterovirus is classified into twelve species of which seven (Enterovirus A, Enterovirus B, Enterovirus C, and Enterovirus D and Rhinovirus A, Rhinovirus B, and Rhinovirus C) are human pathogens. These viruses are transmitted mainly by the fecal-oral route; they may also spread via the nasopharyngeal route. Enterovirus infections are highly prevalent, but these infections are usually subclinical or cause a mild flu-like illness. However, infections caused by enteroviruses can sometimes be serious, with manifestations of meningoencephalitis, paralysis, myocarditis, and in neonates a fulminant sepsis-like syndrome. These viruses are often implicated in chronic (inflammatory) diseases as chronic myocarditis, chronic pancreatitis, and type 1 diabetes. In this review we discuss the currently suggested mechanisms involved in the viral induction of type 1 diabetes. We recapitulate current basic knowledge and definitions.
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Affiliation(s)
- Jana Precechtelova
- Enterovirus Laboratory, Faculty of Medicine, Slovak Medical University, Limbova 12, 83303 Bratislava, Slovakia
| | - Maria Borsanyiova
- Enterovirus Laboratory, Faculty of Medicine, Slovak Medical University, Limbova 12, 83303 Bratislava, Slovakia
| | - Sona Sarmirova
- Enterovirus Laboratory, Faculty of Medicine, Slovak Medical University, Limbova 12, 83303 Bratislava, Slovakia
| | - Shubhada Bopegamage
- Enterovirus Laboratory, Faculty of Medicine, Slovak Medical University, Limbova 12, 83303 Bratislava, Slovakia
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