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Zhou W, Hu W, Tang L, Ma X, Liao J, Yu Z, Qi M, Chen B, Li J. Meta-analysis of the Selected Genetic Variants in Immune-Related Genes and Multiple Sclerosis Risk. Mol Neurobiol 2024; 61:8175-8187. [PMID: 38478144 DOI: 10.1007/s12035-024-04095-7] [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: 11/30/2023] [Accepted: 03/05/2024] [Indexed: 09/21/2024]
Abstract
Previous studies have suggested that certain variants in immune-related genes may participate in the pathogenesis of multiple sclerosis (MS), including rs17824933 in the CD6 gene, rs1883832 in the CD40 gene, rs2300747 in the CD58 gene, rs763361 in the CD226 gene, rs16944 in the IL-1β gene, rs2243250 in the IL-4 gene, and rs12722489 and rs2104286 in the IL-2Rα gene. However, the results remained inconclusive and conflicting. In view of this, a comprehensive meta-analysis including all eligible studies was conducted to investigate the association between these 8 selected genetic variants and MS risk. Up to June 2023, 64 related studies were finally included in this meta-analysis. The odds ratios (ORs) and corresponding 95% confidence intervals (CIs) calculated by the random-effects model were used to evaluate the strength of association. Publication bias test, sensitivity analyses, and trial sequential analysis (TSA) were conducted to examine the reliability of statistical results. Our results indicated that rs17824933 in the CD6 gene, rs1883832 in the CD40 gene, rs2300747 in the CD58 gene, rs763361 in the CD226 gene, and rs12722489 and rs2104286 in the IL-2Rα gene may serve as the susceptible factors for MS pathogenesis, while rs16944 in the IL-1β gene and rs2243250 in the IL-4 gene may not be associated with MS risk. However, the present findings need to be confirmed and reinforced in future studies.
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Affiliation(s)
- Weiguang Zhou
- Department of Biological Science and Technology, School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Weiqiong Hu
- Department of Biological Science and Technology, School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
- Institute of WUT-AMU, Wuhan University of Technology, Wuhan, 430070, China
| | - Lingyu Tang
- Institute of WUT-AMU, Wuhan University of Technology, Wuhan, 430070, China
| | - Xiaorui Ma
- Institute of WUT-AMU, Wuhan University of Technology, Wuhan, 430070, China
| | - Jiaxi Liao
- Department of Biological Science and Technology, School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Zhiyan Yu
- Institute of WUT-AMU, Wuhan University of Technology, Wuhan, 430070, China
| | - Meifang Qi
- Department of Pharmaceutical Engineering, School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China
| | - Bifeng Chen
- Department of Biological Science and Technology, School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China.
- Institute of WUT-AMU, Wuhan University of Technology, Wuhan, 430070, China.
| | - Jing Li
- Department of Biological Science and Technology, School of Chemistry, Chemical Engineering and Life Sciences, Wuhan University of Technology, Wuhan, 430070, China.
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Rajalingam A, Ganjiwale A. Identification of common genetic factors and immune-related pathways associating more than two autoimmune disorders: implications on risk, diagnosis, and treatment. Genomics Inform 2024; 22:10. [PMID: 38956704 PMCID: PMC11221123 DOI: 10.1186/s44342-024-00004-5] [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: 09/21/2023] [Accepted: 12/22/2023] [Indexed: 07/04/2024] Open
Abstract
Autoimmune disorders (ADs) are chronic conditions resulting from failure or breakdown of immunological tolerance, resulting in the host immune system attacking its cells or tissues. Recent studies report shared effects, mechanisms, and evolutionary origins among ADs; however, the possible factors connecting them are unknown. This study attempts to identify gene signatures commonly shared between different autoimmune disorders and elucidate their molecular pathways linking the pathogenesis of these ADs using an integrated gene expression approach. We employed differential gene expression analysis across 19 datasets of whole blood/peripheral blood cell samples with five different autoimmune disorders (rheumatoid arthritis, multiple sclerosis, systemic lupus erythematosus, Crohn's disease, and type 1 diabetes) to get nine key genes-EGR1, RUNX3, SMAD7, NAMPT, S100A9, S100A8, CYBB, GATA2, and MCEMP1 that were primarily involved in cell and leukocyte activation, leukocyte mediated immunity, IL-17, AGE-RAGE signaling in diabetic complications, prion disease, and NOD-like receptor signaling confirming its role in immune-related pathways. Combined with biological interpretations such as gene ontology (GO), pathway enrichment, and protein-protein interaction (PPI) network, our current study sheds light on the in-depth research on early detection, diagnosis, and prognosis of different ADs.
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Affiliation(s)
- Aruna Rajalingam
- Department of Life Science, Bangalore University, Bangalore, Karnataka, 560056, India
| | - Anjali Ganjiwale
- Department of Life Science, Bangalore University, Bangalore, Karnataka, 560056, India.
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3
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Shu X, Shao Y, Chen Y, Zeng C, Huang X, Wei R. Immune checkpoints: new insights into the pathogenesis of thyroid eye disease. Front Immunol 2024; 15:1392956. [PMID: 38817600 PMCID: PMC11137266 DOI: 10.3389/fimmu.2024.1392956] [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: 02/28/2024] [Accepted: 05/01/2024] [Indexed: 06/01/2024] Open
Abstract
Thyroid eye disease (TED) is a disfiguring autoimmune disease characterized by changes in the orbital tissues and is caused by abnormal thyroid function or thyroid-related antibodies. It is the ocular manifestation of Graves' disease. The expression of thyroid-stimulating hormone receptor (TSHR) and the insulin-like growth factor-1 receptor (IGF-1 R) on the cell membrane of orbital fibroblasts (OFs) is responsible for TED pathology. Excessive inflammation is caused when these receptors in the orbit are stimulated by autoantibodies. CD34+ fibrocytes, found in the peripheral blood and orbital tissues of patients with TED, express immune checkpoints (ICs) like MHC II, B7, and PD-L1, indicating their potential role in presenting antigens and regulating the immune response in TED pathogenesis. Immune checkpoint inhibitors (ICIs) have significantly transformed cancer treatment. However, it can also lead to the occurrence of TED in some instances, suggesting the abnormality of ICs in TED. This review will examine the overall pathogenic mechanism linked to the immune cells of TED and then discuss the latest research findings on the immunomodulatory role of ICs in the development and pathogenesis of TED. This will offer fresh perspectives on the study of pathogenesis and the identification of potential therapeutic targets.
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Affiliation(s)
| | | | | | | | | | - Ruili Wei
- Department of Ophthalmology, Changzheng Hospital of Naval Medicine University, Shanghai, China
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O'Brien CL, Summers KM, Martin NM, Carter-Cusack D, Yang Y, Barua R, Dixit OVA, Hume DA, Pavli P. The relationship between extreme inter-individual variation in macrophage gene expression and genetic susceptibility to inflammatory bowel disease. Hum Genet 2024; 143:233-261. [PMID: 38421405 PMCID: PMC11043138 DOI: 10.1007/s00439-024-02642-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 01/14/2024] [Indexed: 03/02/2024]
Abstract
The differentiation of resident intestinal macrophages from blood monocytes depends upon signals from the macrophage colony-stimulating factor receptor (CSF1R). Analysis of genome-wide association studies (GWAS) indicates that dysregulation of macrophage differentiation and response to microorganisms contributes to susceptibility to chronic inflammatory bowel disease (IBD). Here, we analyzed transcriptomic variation in monocyte-derived macrophages (MDM) from affected and unaffected sib pairs/trios from 22 IBD families and 6 healthy controls. Transcriptional network analysis of the data revealed no overall or inter-sib distinction between affected and unaffected individuals in basal gene expression or the temporal response to lipopolysaccharide (LPS). However, the basal or LPS-inducible expression of individual genes varied independently by as much as 100-fold between subjects. Extreme independent variation in the expression of pairs of HLA-associated transcripts (HLA-B/C, HLA-A/F and HLA-DRB1/DRB5) in macrophages was associated with HLA genotype. Correlation analysis indicated the downstream impacts of variation in the immediate early response to LPS. For example, variation in early expression of IL1B was significantly associated with local SNV genotype and with subsequent peak expression of target genes including IL23A, CXCL1, CXCL3, CXCL8 and NLRP3. Similarly, variation in early IFNB1 expression was correlated with subsequent expression of IFN target genes. Our results support the view that gene-specific dysregulation in macrophage adaptation to the intestinal milieu is associated with genetic susceptibility to IBD.
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Affiliation(s)
- Claire L O'Brien
- Centre for Research in Therapeutics Solutions, Faculty of Science and Technology, University of Canberra, Canberra, ACT, Australia
- Inflammatory Bowel Disease Research Group, Canberra Hospital, Canberra, ACT, Australia
| | - Kim M Summers
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Natalia M Martin
- Inflammatory Bowel Disease Research Group, Canberra Hospital, Canberra, ACT, Australia
| | - Dylan Carter-Cusack
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Yuanhao Yang
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Rasel Barua
- Inflammatory Bowel Disease Research Group, Canberra Hospital, Canberra, ACT, Australia
| | - Ojas V A Dixit
- Centre for Research in Therapeutics Solutions, Faculty of Science and Technology, University of Canberra, Canberra, ACT, Australia
| | - David A Hume
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, QLD, Australia.
| | - Paul Pavli
- Inflammatory Bowel Disease Research Group, Canberra Hospital, Canberra, ACT, Australia.
- School of Medicine and Psychology, College of Health and Medicine, Australian National University, Canberra, ACT, Australia.
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5
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Wagner AH, Klersy A, Sultan CS, Hecker M. Potential role of soluble CD40 receptor in chronic inflammatory diseases. Biochem Pharmacol 2023; 217:115858. [PMID: 37863325 DOI: 10.1016/j.bcp.2023.115858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/11/2023] [Accepted: 10/12/2023] [Indexed: 10/22/2023]
Abstract
The CD40 receptor and its ligand CD154 are widely expressed in various immune-competent cells. Interaction of CD154 with CD40 is essential for B-cell growth, differentiation, and immunoglobulin class switching. Many other immune-competent cells involved in innate and adaptive immunity communicate through this co-stimulatory ligand-receptor dyad. CD40-CD154 interaction is involved in the pathogenesis of numerous inflammatory and autoimmune diseases. While CD40 and CD154 are membrane-bound proteins, their soluble counterparts are generated by proteolytic cleavage or alternative splicing. This review summarises current knowledge about the impact of single nucleotide polymorphisms in the human CD40 gene and compensatory changes in the plasma level of the soluble CD40 receptor (sCD40) isoform in related pro-inflammatory diseases. It discusses regulation patterns of the disintegrin metalloprotease ADAM17 function leading to ectodomain shedding of transmembrane proteins, such as pro-inflammatory adhesion molecules or CD40. The role of sCD40 as a potential biomarker for chronic inflammatory diseases will also be discussed.
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Affiliation(s)
- A H Wagner
- Department of Cardiovascular Physiology, Heidelberg University, Heidelberg, Germany.
| | - A Klersy
- Department of Cardiovascular Physiology, Heidelberg University, Heidelberg, Germany
| | - C S Sultan
- Department of Medical Chemistry, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - M Hecker
- Department of Cardiovascular Physiology, Heidelberg University, Heidelberg, Germany
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Saadi F, Chakravarty D, Kumar S, Kamble M, Saha B, Shindler KS, Das Sarma J. CD40L protects against mouse hepatitis virus-induced neuroinflammatory demyelination. PLoS Pathog 2021; 17:e1010059. [PMID: 34898656 PMCID: PMC8699621 DOI: 10.1371/journal.ppat.1010059] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 12/23/2021] [Accepted: 10/23/2021] [Indexed: 11/19/2022] Open
Abstract
Neurotropic mouse hepatitis virus (MHV-A59/RSA59) infection in mice induces acute neuroinflammation due to direct neural cell dystrophy, which proceeds with demyelination with or without axonal loss, the pathological hallmarks of human neurological disease, Multiple sclerosis (MS). Recent studies in the RSA59-induced neuroinflammation model of MS showed a protective role of CNS-infiltrating CD4+ T cells compared to their pathogenic role in the autoimmune model. The current study further investigated the molecular nexus between CD4+ T cell-expressed CD40Ligand and microglia/macrophage-expressed CD40 using CD40L-/- mice. Results demonstrate CD40L expression in the CNS is modulated upon RSA59 infection. We show evidence that CD40L-/- mice are more susceptible to RSA59 induced disease due to reduced microglia/macrophage activation and significantly dampened effector CD4+ T recruitment to the CNS on day 10 p.i. Additionally, CD40L-/- mice exhibited severe demyelination mediated by phagocytic microglia/macrophages, axonal loss, and persistent poliomyelitis during chronic infection, indicating CD40-CD40L as host-protective against RSA59-induced demyelination. This suggests a novel target in designing prophylaxis for virus-induced demyelination and axonal degeneration, in contrast to immunosuppression which holds only for autoimmune mechanisms of inflammatory demyelination. MS is primarily considered an autoimmune CNS disease, but its potential viral etiology cannot be ignored. Myelin-specific CD40L+CD4+ T cells migration into the CNS and resultant neuroinflammation is considered pathogenic in autoimmune MS. In contrast, CD40L+CD4+ T infiltration into the MHV-induced inflamed CNS and their interaction with CD40+ microglia/macrophages are shown to be protective in our study. Considering differential etiology but comparable demyelination and axonal loss, immunosuppressive treatments may not necessarily ameliorate MS in all patients. MHV-induced demyelination in this study indicates that the interaction between CD40L on CD4+T cells and CD40 on microglia/macrophage plays an important protective role against MHV-induced chronic progressive demyelination.
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Affiliation(s)
- Fareeha Saadi
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, India
| | - Debanjana Chakravarty
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, India
| | - Saurav Kumar
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, India
| | - Mithila Kamble
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, India
| | - Bhaskar Saha
- National Centre for Cell Science, Ganeshkhind, Pune, India
| | - Kenneth S. Shindler
- Departments of Ophthalmology and
- Neurology University of Pennsylvania Scheie Eye Institute, Philadelphia, Pennsylvania, United States of America
| | - Jayasri Das Sarma
- Department of Biological Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, India
- Departments of Ophthalmology and
- * E-mail:
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7
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Sultan CS, Weitnauer M, Turinsky M, Kessler T, Brune M, Gleissner CA, Leuschner F, Wagner AH, Hecker M. Functional association of a CD40 gene single-nucleotide polymorphism with the pathogenesis of coronary heart disease. Cardiovasc Res 2021; 116:1214-1225. [PMID: 31373353 DOI: 10.1093/cvr/cvz206] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 06/28/2019] [Accepted: 07/31/2019] [Indexed: 11/13/2022] Open
Abstract
AIMS Endothelial dysfunction is a major contributor to the pathogenesis of atherosclerosis. CD40-CD40 ligand interactions confer a pro-inflammatory phenotype to endothelial cells (ECs). Recently, a thymine to cytosine transition (-1T>C) in the Kozak sequence of the CD40 gene (rs1883832) has been associated with coronary heart disease (CHD) in an Asian population. As there are no reports yet regarding its role in other ethnic groups, this study determines if the -1T>C single-nucleotide polymorphism (SNP) could be a risk factor for CHD in Caucasians by performing an association study and elucidates its functional consequence in cultured ECs. METHODS AND RESULTS Molecular and biochemical techniques, cell adhesion assays were used for genotype-stratified human EC characterization. SNP distribution in Caucasians was examined in a hospital-based case-control CHD study and serum levels of soluble CD40 (sCD40) were quantified by ELISA. The SNP in the CD40 gene affected baseline CD40 protein abundance on ECs. There was a genotype-dependent difference in CD40-mediated expression of pro-inflammatory genes. Monocyte adhesion was highest on the surface of cells homozygous for the C allele. Homozygosity for the C allele was associated with significant 2.32-fold higher odds of developing CHD as compared to TT genotype carriers. sCD40 plasma levels were genotype-dependently elevated in CHD patients, indicating a possible prognostic value. CONCLUSION The C allele of the CD40 SNP provokes a pro-inflammatory EC phenotype, compensated by an enhanced CD40 shedding to neutralize excess CD40 ligand. Homozygosity for the C allele is the cause for a genetic susceptibility to atherosclerosis and its sequelae.
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Affiliation(s)
- Cheryl S Sultan
- Department of Cardiovascular Physiology, Institute of Physiology and Pathophysiology, Heidelberg University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Michael Weitnauer
- Department of Medical Microbiology and Hygiene, Heidelberg University, Heidelberg, Germany
| | - Martin Turinsky
- Department of Cardiovascular Physiology, Institute of Physiology and Pathophysiology, Heidelberg University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Thorsten Kessler
- German Heart Centre Munich, Technical University Munich, Munich, Germany
| | - Maik Brune
- Department of Internal Medicine 1 and Clinical Chemistry, Heidelberg University, Heidelberg, Germany
| | - Christian A Gleissner
- Department of Cardiology, Angiology and Pneumology, Heidelberg University, Heidelberg, Germany
| | - Florian Leuschner
- Department of Cardiology, Angiology and Pneumology, Heidelberg University, Heidelberg, Germany
| | - Andreas H Wagner
- Department of Cardiovascular Physiology, Institute of Physiology and Pathophysiology, Heidelberg University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Markus Hecker
- Department of Cardiovascular Physiology, Institute of Physiology and Pathophysiology, Heidelberg University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
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Al-Eitan L, Al Qudah M, Al Qawasmeh M. Candidate gene association analysis of multiple sclerosis in the Jordanian Arab population: A case-control study. Gene 2020; 758:144959. [PMID: 32683075 DOI: 10.1016/j.gene.2020.144959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 06/12/2020] [Accepted: 07/13/2020] [Indexed: 01/21/2023]
Abstract
Multiple sclerosis (MS) is a clinically heterogeneous multifactorial disorder which is one of the most prevalent neurological disorders of females and young people. Both genetic and environmental factors are playing an important role in the pathophysiology of MS. The main objective of this study is to identify the relationship between numbers of genetic variants within different candidate genes (IL7R, LAG3, and CD40) and the risk of developing MS in the Jordanian Arab population. This case-control study consists of 218 MS patients chosen from neurology clinics at different hospitals in Jordan and ethnically matched 227 healthy controls. Genomic DNA was extracted from blood samples. Genotyping of the candidate gene polymorphisms was conducted using the Sequenom MassARRAY system. Statistical analysis was performed to identify the genetic association of the studied SNPs with MS. Twenty-one variants were studied, three of them were found to be associated with MS (rs6897932 (P-value = 0.01) and rs13188960 (P-value = 0.005) within IL7R gene and LAG3 rs2365095, (P-value = 0.03) within LAG3 gene). Moreover, no significant association was found between MS and the genetic polymorphisms of the CD40 gene. After correction for multiple comparisons, only rs13188960 SNP remained significantly with MS. This is the first study of the genetic association with MS in the Jordanian Arab population to provided evidence of the genetic association of IL7R (rs6897932, rs13188960) and LAG3 (rs2365095) gene polymorphisms with MS. These findings may contribute to our understanding of MS and optimize the therapy protocol for individuals.
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Affiliation(s)
- Laith Al-Eitan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan; Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Malak Al Qudah
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Majdi Al Qawasmeh
- Department of Neuroscience, Division of Neurology, Faculty of Medicine, Jordan University of Science and Technology, 22110, Jordan
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Jiang C, Trudeau SJ, Cheong TC, Guo R, Teng M, Wang LW, Wang Z, Pighi C, Gautier-Courteille C, Ma Y, Jiang S, Wang C, Zhao B, Paillard L, Doench JG, Chiarle R, Gewurz BE. CRISPR/Cas9 Screens Reveal Multiple Layers of B cell CD40 Regulation. Cell Rep 2020; 28:1307-1322.e8. [PMID: 31365872 PMCID: PMC6684324 DOI: 10.1016/j.celrep.2019.06.079] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 05/06/2019] [Accepted: 06/21/2019] [Indexed: 02/08/2023] Open
Abstract
CD40 has major roles in B cell development, activation, and germinal center responses. CD40 hypoactivity causes immunodeficiency whereas its overexpression causes autoimmunity and lymphomagenesis. To systematically identify B cell autonomous CD40 regulators, we use CRISPR/Cas9 genome-scale screens in Daudi B cells stimulated by multimeric CD40 ligand. These highlight known CD40 pathway components and reveal multiple additional mechanisms regulating CD40. The nuclear ubiquitin ligase FBXO11 supports CD40 expression by targeting repressors CTBP1 and BCL6. FBXO11 knockout decreases primary B cell CD40 abundance and impairs class-switch recombination, suggesting that frequent lymphoma monoallelic FBXO11 mutations may balance BCL6 increase with CD40 loss. At the mRNA level, CELF1 controls exon splicing critical for CD40 activity, while the N6-adenosine methyltransferase WTAP negatively regulates CD40 mRNA abundance. At the protein level, ESCRT negatively regulates activated CD40 levels while the negative feedback phosphatase DUSP10 limits downstream MAPK responses. These results serve as a resource for future studies and highlight potential therapeutic targets. CD40 is critical for B cell development, germinal center formation, somatic hypermutation, and class-switch recombination. Increased CD40 abundance is associated with autoimmunity and cancer, whereas CD40 hypoactivity causes immunodeficiency. Jiang et al. performed a genome-wide CRISPR/Cas9 screen to reveal key B cell factors that control CD40 abundance and that regulate CD40 responses.
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Affiliation(s)
- Chang Jiang
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Stephen J Trudeau
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Taek-Chin Cheong
- Department of Pathology, Children's Hospital Boston, Harvard Medical School, Boston, MA 02115, USA
| | - Rui Guo
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Mingxiang Teng
- Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Liang Wei Wang
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA; Graduate Program in Virology, Division of Medical Sciences, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Zhonghao Wang
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA; Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, China
| | - Chiara Pighi
- Department of Pathology, Children's Hospital Boston, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Carole Gautier-Courteille
- Biosit, Université de Rennes 1, 35043 Rennes, France; Centre National de la Recherche Scientifique UMR 6290, Institut de Génétique et Développement de Rennes, 35043 Rennes, France
| | - Yijie Ma
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
| | - Sizun Jiang
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA; Graduate Program in Virology, Division of Medical Sciences, Harvard Medical School, 77 Avenue Louis Pasteur, Boston, MA 02115, USA
| | - Chong Wang
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA
| | - Bo Zhao
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA
| | - Luc Paillard
- Biosit, Université de Rennes 1, 35043 Rennes, France; Centre National de la Recherche Scientifique UMR 6290, Institut de Génétique et Développement de Rennes, 35043 Rennes, France
| | - John G Doench
- Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA
| | - Roberto Chiarle
- Department of Pathology, Children's Hospital Boston, Harvard Medical School, Boston, MA 02115, USA; Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Benjamin E Gewurz
- Division of Infectious Diseases, Department of Medicine, Brigham and Women's Hospital, 181 Longwood Avenue, Boston, MA 02115, USA; Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA; Department of Biostatistics and Bioinformatics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA; Broad Institute of Harvard and MIT, Cambridge, MA 02142, USA.
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10
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Hosseini N, Tahoori MT, Mohammadzadeh A, Zarei Jaliani H, Bitaraf Sani M, Soleimani Salehabadi H. IRAK1 Gene Polymorphism in Rheumatoid Arthritis. Immunol Invest 2020; 50:304-321. [PMID: 32507051 DOI: 10.1080/08820139.2020.1764028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Background: Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease. The present study intends to specify rs1059703, rs4810485, and rs1883832 gene polymorphisms of interleukin-1 receptor-associated kinase (IRAK1) and cluster of differentiation 40 (CD40) in RA. IRAK1 is a serine/threonine kinase and CD40 is a tumor necrosis factor receptor, both of which are involved in RA. There are conflicting results on functional effects of these polymorphisms, so we performed this research for a more accurate estimation on rheumatoid arthritis risk. Methods: Two-hundred RA patients diagnosed according to ACR criteria and 200 normal controls participated in this case-control study. DNA Purification kit (Gene Transfer Pioneers, GTP) was used for genomic DNA extraction and three SNPs, including IRAK1 rs1059703 (C/T), CD40 rs1883832 (C/T) and rs4810485 (G/T), were genotyped by PCR-RFLP. The genotypes and allele frequencies of SNPs were analyzed by chi-square test to detect their contribution to RA. Results: A significant correlation was found between rs1059703 T allele (OR = 2.36, 95% CI = 1.7-3.1, p = .0001) and TT and CT genotypes (TT genotype, OR = 2.54, 95%CI = 1.2-3.3, P = .0078, CT genotype; OR = 2.18 95%CI = 1.4-3.2P = .0002) of rs1059703 C/T polymorphism in terms of susceptibility to RA in recessive and over-dominant models. Alleles and genotypes of CD40 SNPs were not significantly different between RA cases and controls. The findings showed significant differences in rs1059703 IRAK1 genotypes with medical and laboratory features of patients. Conclusion: Our results showed that the rs1059703 T allele (risk allele) of IRAK1 gene increases the risk of RA and the severity of disease, affecting the onset age of RA in Iranian patients.
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Affiliation(s)
- Najme Hosseini
- Department of Immunology, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences , Yazd, Iran.,Reproductive Immunology Research Center, Shahid Sadoughi University of Medical Sciences , Yazd, Iran
| | - Mohammad Taher Tahoori
- Department of Immunology, Faculty of Medicine, Shahid Sadoughi University of Medical Sciences , Yazd, Iran.,Reproductive Immunology Research Center, Shahid Sadoughi University of Medical Sciences , Yazd, Iran
| | - Adel Mohammadzadeh
- Department of Immunology and Genetics, Faculty of Medicine, Urmia University of Medical Sciences , Urmia, Iran
| | - Hossein Zarei Jaliani
- Protein Engineering Laboratory, Department of Medical Genetics, School of Medicine, Department of Advanced Medical Sciences and Technologies, Faculty of Paramedicine, Shahid Sadoughi University of Medical Sciences , Yazd, Iran
| | - Morteza Bitaraf Sani
- Animal Science Research Department, Yazd Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education & Extension Organization (AREEO) , Yazd, Iran
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11
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AL-Eitan L, Al Qudah M, Al Qawasmeh M. Association of Multiple Sclerosis Phenotypes with Single Nucleotide Polymorphisms of IL7R, LAG3, and CD40 Genes in a Jordanian Population: A Genotype-Phenotype Study. Biomolecules 2020; 10:biom10030356. [PMID: 32111053 PMCID: PMC7175123 DOI: 10.3390/biom10030356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 02/17/2020] [Accepted: 02/20/2020] [Indexed: 01/01/2023] Open
Abstract
It is thought that genetic variations play a vital role in the Multiple Sclerosis (MS) etiology. However, the role of genetic factors that influence the clinical features of MS remains unclear. We investigated the correlation between 21 single nucleotide polymorphisms within three genes (IL7R, LAG3, and CD40) and MS clinical characteristics in the Jordanian population. Blood samples and clinical phenotypic data were collected from 218 Arab Jordanian MS patients, vitamin D was measured, genomic DNA was extracted, and genotyping of the candidate genes’ polymorphisms were analyzed using the Sequenom MassARRAY® system. The association of these single nucleotide polymorphisms (SNPs) with MS was performed using a Chi-square, Fisher exact test, and one-way ANOVA. We found a significant association between vitamin D deficiency and three SNPs of the IL7R gene, namely rs987107 (P-value = 0.047), rs3194051 (P-value = 0.03), and rs1494571 (P-value = 0.036), in addition to two SNPs of CD40, namely rs1883832 and rs6074022 (P-value = 0.049 for both). rs3194051 of the IL7R gene (P-value = 0.003) and rs1922452 of the LAG3 gene (P-value = 0.028) were strongly associated with comorbidity. The number of relapses before drug onset was found to be correlated with IL7R SNPs rs969128 (P-value = 0.04) and rs1494555 (P-value = 0.027), whereas the expanded disability status scale (EDSS) was associated with rs1494555 polymorphism of IL7R gene (P-value = 0.026). Current findings indicate important correlations between certain SNPs and the risk of various phenotypes of multiple sclerosis in the Jordanian community. Therefore, this will not only contribute to the understanding of MS, but will also assist with the development of personalized treatment procedures.
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Affiliation(s)
- Laith AL-Eitan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan;
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid 22110, Jordan
- Correspondence: ; Tel.: +962-2-720-1000 (ext. 23464); Fax: +962-2-720-1071
| | - Malak Al Qudah
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan;
| | - Majdi Al Qawasmeh
- Department of Neuroscience, Division of Neurology, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan;
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12
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Impact of CD40 gene polymorphisms on the risk of immune thrombocytopenic purpura. Gene 2020; 736:144419. [PMID: 32018016 DOI: 10.1016/j.gene.2020.144419] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/28/2020] [Accepted: 01/29/2020] [Indexed: 01/19/2023]
Abstract
OBJECTIVES To evaluate the relationship between two common single nucleotide polymorphisms (SNPs) of CD40 gene (rs1883832 C/T and rs4810485 G/T) and the risk of immune thrombocytopenia (ITP) in the Egyptian population. METHODS A case-control study was conducted retrospectively on 101 cases with ITP and 97 healthy subjects. Two SNPs of CD40 gene (rs1883832 C/T and rs4810485 G/T) were genotyped via Taqman allele discrimination real-time PCR. The frequencies of different genetic models of both SNPs were calculated and compared between ITP cases and controls. Linkage analysis was performed between the studied SNPs. Odds ratio (OR) and 95% confidence interval (CI) were assessed using multinomial logistic regression analysis to determine the association of CD40 gene SNPs genotypes, alleles, and haplotypes with the risk of ITP. The odds ratio was further adjusted to the confounders for risk stratification. RESULTS CD40 (rs1883832) TT genotype carriers have a significantly higher risk of ITP when compared to CC genotype carriers (adjusted OR: 3.792, 95%CI: 1.252-11.49, P = 0.018). T allele also represents 1.711-fold increased risk of ITP which is more evident in males (P = 0.016). No significant difference was observed in the frequency of CD40 (rs4810485 G/T) genetic models between cases and controls. Linkage disequilibrium was found between the two SNPs and revealed four main haplotypes (C-G; C-T; T-G; T-T) with a significantly higher frequency of T-G haplotype in ITP cases than in healthy controls which confers an increased risk of ITP development (OR: 2.349, 95%CI: 1.271-4.339, P = 0.006). CONCLUSIONS CD40 gene SNP rs1883832 is associated with an increased risk of ITP development in the Egyptian population, while the SNP rs4810485 has no association. Moreover, T-G haplotype is a risk genetic model for ITP.
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13
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Tapia-Llanos R, Muñoz-Valle JF, Román-Fernández IV, Marín-Rosales M, Salazar-Camarena DC, Cruz A, Orozco-Barocio G, Guareña-Casillas JA, Oregon-Romero E, Palafox-Sánchez CA. Association of soluble CD40 levels with -1 C > T CD40 polymorphism and chronic kidney disease in systemic lupus erythematosus. Mol Genet Genomic Med 2019; 7:e1014. [PMID: 31642196 PMCID: PMC6900383 DOI: 10.1002/mgg3.1014] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/25/2019] [Accepted: 10/07/2019] [Indexed: 12/17/2022] Open
Abstract
Background CD40 is a transmembrane protein mainly expressed on the antigen‐presenting cells surface. CD40 plays a crucial role in immunoglobulin class switching and antibodies production. Genetic polymorphisms in the CD40 gene have been associated with increased risk of systemic lupus erythematosus (SLE) in several populations. This study aimed to evaluate the association of CD40 polymorphisms (−1 C > T, rs1883832 and 6,048 G > T, rs4810485) with SLE susceptibility, as well as with mRNA expression and soluble CD40 (sCD40) levels. Methods The study included 293 patients with SLE and 294 control subjects (CS). Genotyping was performed by PCR‐RFLP method. CD40 mRNA expression was determined by quantitative real‐time PCR, and ELISA quantified sCD40 levels. Results The CD40 polymorphisms −1 C > T and 6,048 G > T were associated with SLE susceptibility. There was no difference between CD40 mRNA expression and CD40 polymorphisms. The sCD40 levels were lower in SLE patients with TT haplotype, whereas higher sCD40 levels were associated with damage and impaired renal function according to SLICC and KDIGO. The sCD40 levels were negatively correlated with eGFR. Conclusion The CD40 gene polymorphisms increase the risk of SLE in the western Mexican population. The sCD40 levels are associated with −1 C > T polymorphism and chronic kidney disease.
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Affiliation(s)
- Raziel Tapia-Llanos
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico.,Doctorado en Biología Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - José F Muñoz-Valle
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Ilce V Román-Fernández
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Miguel Marín-Rosales
- Departamento de Reumatología, Hospital General de Occidente, Secretaría de Salud Jalisco, Guadalajara, Mexico
| | - Diana C Salazar-Camarena
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Alvaro Cruz
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Gerardo Orozco-Barocio
- Departamento de Reumatología, Hospital General de Occidente, Secretaría de Salud Jalisco, Guadalajara, Mexico
| | - Jorge A Guareña-Casillas
- Especialidad de Hemodinamia y Cardiología Intervencionista, Hospital Civil de Guadalajara Fray Antonio Alcalde, Universidad de Guadalajara, Guadalajara, Mexico
| | - Edith Oregon-Romero
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Claudia A Palafox-Sánchez
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
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García-Vicuña R, Brown MA. Vedolizumab for inflammatory bowel disease: a two-edge sword in the gut-joint/enthesis axis. Rheumatology (Oxford) 2019; 58:937-939. [DOI: 10.1093/rheumatology/key440] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 11/04/2018] [Indexed: 12/25/2022] Open
Affiliation(s)
| | - Matthew A Brown
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Translational Research Institute, Princess Alexandra Hospital, Brisbane, Queensland, Australia
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15
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Wang XX, Wang XX, Chen T. Association between the CD40 rs1883832 polymorphism and Graves' disease risk: a meta-analysis. EXCLI JOURNAL 2019; 18:10-20. [PMID: 30956635 DOI: pmid/30956635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/12/2018] [Indexed: 11/06/2022]
Abstract
This meta-analysis aims to evaluate whether the CD40 rs1883832 polymorphism is associated with Graves' disease (GD) risk in different populations. We performed a systematic literature search in China National Knowledge Infrastructure (CNKI), Web of Science, and Pubmed databases to identify case-control association studies on the association between rs1883832 and GD risk. For each study we calculated the odds ratios (OR) and 95 % confidence intervals (CI) assuming dominant, recessive and homozygote models. We then calculated pooled ORs and 95 % CIs. After applying inclusion and exclusion criteria, 17 studies involving 4707 cases and 4215 controls were included in the meta-analysis. The results showed that rs1883832 was associated with GD risk in Asians under dominant (CT + TT vs CC, OR=0.67, 95 % CI: 0.56-0.81, P<0.001), recessive (TT vs CT + CC, OR=0.58, 95 % CI: 0.47-0.72, P<0.001), and homozygote (TT vs CC, OR=0.49, 95 % CI: 0.37-0.64, P<0.001) models. In Caucasians, rs1883832 was associated with GD risk under the dominant model (CT + TT vs CC, OR=0.82, 95 % CI: 0.68-0.99, P=0.042). Besides GD, we evaluated the relation of rs1883832 with Graves' ophthalmopathy (GO), finding that rs1883832 was associated with GO under the dominant model (CT + TT vs CC, OR=0.82, 95 % CI: 0.69-0.98, P=0.031). The findings of our meta-analysis suggest that the CD40 rs1883832 polymorphism is protective against GD and GO in Asians and Caucasians.
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Affiliation(s)
- Xiao-Xiong Wang
- Department of Ophthalmology, Beijing Hospital, National Center of Gerontology, Beijing, China
| | - Xiao-Xia Wang
- Department of Endocrinology, Beijing Hospital, National Center of Gerontology, Beijing, China
| | - Tong Chen
- Department of Ophthalmology, Beijing Hospital, National Center of Gerontology, Beijing, China
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16
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The CD40 rs1883832 Polymorphism Affects Sepsis Susceptibility and sCD40L Levels. BIOMED RESEARCH INTERNATIONAL 2018; 2018:7497314. [PMID: 29780830 PMCID: PMC5892284 DOI: 10.1155/2018/7497314] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 01/09/2018] [Accepted: 02/14/2018] [Indexed: 01/09/2023]
Abstract
Sepsis is a severe and progressive disease characterized by systemic inflammatory response syndrome (SIRS). CD40 serves as a vital link between immune response and inflammation. This study was designed to investigate the potential association between a functional single-nucleotide polymorphism (SNP) of CD40 (rs1883832) and susceptibility to sepsis. We first performed a case-control study to explore the relationship between the CD40 rs1883832 polymorphism and sepsis. CD40 mRNA expression and protein expression were determined by real-time PCR and western blotting, respectively, in peripheral blood mononuclear cells (PBMCs) from sepsis patients and healthy controls. The plasma sCD40L levels in the two groups were measured by ELISA. The results showed that the frequencies of the TT genotype and the CD40 rs1883832 T allele were significantly higher in sepsis patients than in healthy controls. Plasma sCD40L levels were also significantly increased in sepsis patients. In addition, TT genotype carriers among sepsis patients displayed the highest CD40 expression at both the mRNA and protein levels, accompanied by the highest plasma sCD40L concentrations. In conclusion, the CD40 rs1883832 T allele acts as a risk factor for increased susceptibility to sepsis and may be involved in the process of sepsis through regulation of CD40 expression and plasma sCD40L levels.
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17
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Association between CD40 rs1883832 and immune-related diseases susceptibility: A meta-analysis. Oncotarget 2017; 8:102235-102243. [PMID: 29254239 PMCID: PMC5731949 DOI: 10.18632/oncotarget.18704] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 06/17/2017] [Indexed: 12/31/2022] Open
Abstract
Background/objective It has been reported that CD40 rs1883832 might be associated with immune-related diseases susceptibility. Owing to mixed and inconclusive results, we conducted a meta-analysis of case–control studies to summarize and clarify this association. Methods/main results A systematic search of studies on the association between CD40 rs1883832 and immune-related diseases susceptibility was conducted in databases. Odds ratios and 95% confidence intervals were used to pool the effect size. 40 articles were included in our meta-analysis. Conclusions CD40 rs1883832 is associated with decreased risk of Graves’ disease, especially in Asian; CD40 rs1883832 is associated with increased risk of multiple sclerosis; CD40 -1C>T (rs1883832) is not associated with the susceptibility of Hashimoto's thyroiditis, systemic sclerosis or Asthma; there is insufficient data to fully confirm the association between CD40 rs1883832 and systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), Behçet's disease (BD), myasthenia gravis (MG), Crohn's disease (CD), ulcerative colitis (UC), Sarcoidosis, Fuch uveitis syndrome (FUS), Vogt-Koyanagi-Harada syndrome (VKH), Kawasaki disease (KD), giant cell arteritis (GCA) or Immune thrombocytopenia (ITP).
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18
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Lee HJ, Lombardi A, Stefan M, Li CW, Inabnet WB, Owen RP, Concepcion E, Tomer Y. CD40 Signaling in Graves Disease Is Mediated Through Canonical and Noncanonical Thyroidal Nuclear Factor κB Activation. Endocrinology 2017; 158:410-418. [PMID: 27929668 PMCID: PMC5413074 DOI: 10.1210/en.2016-1609] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2016] [Accepted: 12/01/2016] [Indexed: 11/19/2022]
Abstract
CD40, a tumor necrosis factor receptor, is a major immune-modulating susceptibility gene for Graves disease (GD) as well as for a variety of other autoimmune diseases. Its broad association with autoimmunity underscores its paramount role in the development of a normal adaptive immune response, primarily in coordinating effective antigen presentation. The molecular pathways by which CD40 activation in the thyroid induces GD are unknown. In this study, we investigated whether NF-κB, a ubiquitious family of transcription factors, mediates the downstream effects of thyroid-specific CD40 activation. Cultured primary human thyrocytes, from patients with and without GD, underwent CD40 stimulation. Once stimulated, cytokines and transcription factors specific for either the canonical nuclear factor κB (NF-κB)1 pathway [interleukin (IL)-6, IL-8, tumor necrosis factor (TNF)-α], which primarily recruits cells for innate immunity, or the noncanonical NF-κB2 pathway [B cell-activating factor of the TNF family, CC chemokine ligand (CCL)21], which directs B cell viability, were analyzed. Significant upregulation in the messenger RNA and protein levels of both canonical and noncanonical pathway cytokines was observed. Western blot analyses of the specific transcription factors for the NF-κB1 and NF-κB2 pathways (p65 and p100/p52, respectively) demonstrated that p65 is constitutively expressed. In contrast, CD40 stimulation robustly increased the expression of the NF-κB2 p52 transcription factor, and the upregulation was significantly more profound in the GD tissue than in the normal thyroid tissue. Our data show that CD40 activity in thyrocytes is prominently mediated via NF-κB and furthermore suggest that the NF-κB1 and NF-κB2 pathways both contribute to the triggering and the progression of GD.
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Affiliation(s)
| | - Angela Lombardi
- Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York 10461
| | - Mihaela Stefan
- Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York 10461
| | - Cheuk wun Li
- Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York 10461
| | - William B. Inabnet
- Department of Surgery, Icahn School of Medicine at Mount Sinai, New York, New York 10029; and
| | - Randall P. Owen
- Department of Surgery, Icahn School of Medicine at Mount Sinai, New York, New York 10029; and
| | - Erlinda Concepcion
- Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York 10461
| | - Yaron Tomer
- Department of Medicine, Albert Einstein College of Medicine and Montefiore Medical Center, Bronx, New York 10461
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Dornbos P, Crawford RB, Kaminski NE, Hession SL, LaPres JJ. The Influence of Human Interindividual Variability on the Low-Dose Region of Dose-Response Curve Induced by 2,3,7,8-Tetrachlorodibenzo-p-Dioxin in Primary B Cells. Toxicol Sci 2016; 153:352-60. [PMID: 27473338 PMCID: PMC5036619 DOI: 10.1093/toxsci/kfw128] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The influence of interindividual variability is not typically assessed in traditional toxicological studies. Given that chemical exposures occur in heterogeneous populations, this knowledge gap has the potential to cause undue harm within the realms of public health and industrial and municipal finances. A recent report from the National Research Council (NRC) suggests that when accounting for interindividual variation in responses, traditionally assumed nonlinear dose-response relationships (DRRs) for noncancer-causing endpoints would better be explained with a linear relationship within the low-dose region. To address this knowledge gap and directly test the NRC's assumption, this study focused on assessing the DRR between 2,3,7,8-tetracholorodibenzo-p-dioxin (TCDD) exposure and immune suppression in a cohort of unique human donors. Human B cells were isolated from 51 individual donors and treated with logarithmically increasing concentrations of TCDD (0-30 nM TCDD). Two endpoints sensitive to TCDD were assessed: (1) number of IgM-secreting B cells and (2) quantity of IgM secreted. The results show that TCDD significantly suppressed both the number of IgM-secreting B cells and the quantity of IgM secreted (P < .05). Statistical model comparisons indicate that the low-dose region of the two DRRs is best explained with a nonlinear relationship. Rather than assuming low-dose linearity for all noncancer-causing DRRs, our study suggests the need to consider the specific mode of action of toxicants and pharmaceuticals during risk-management decision making.
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Affiliation(s)
- Peter Dornbos
- *Department of Biochemistry and Molecular Biology Institute for Integrative Toxicology
| | | | - Norbert E Kaminski
- Department of Pharmacology and Toxicology Institute for Integrative Toxicology
| | | | - John J LaPres
- *Department of Biochemistry and Molecular Biology Institute for Integrative Toxicology Center for Mitochondrial Science and Medicine, Michigan State University, East Lansing, Michigan
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Association of CD40 Gene Polymorphisms with Susceptibility to Neuromyelitis Optica Spectrum Disorders. Mol Neurobiol 2016; 54:5236-5242. [PMID: 27578014 DOI: 10.1007/s12035-016-0070-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Accepted: 08/18/2016] [Indexed: 02/05/2023]
Abstract
The CD40 gene is associated with many autoimmune diseases; however, there are few studies in literatures that investigate the association between CD40 and neuromyelitis optica spectrum disorders (NMOSD). This study aimed to estimate the potential association of CD40 gene polymorphisms with susceptibility to NMOSD. Four SNPs (rs1883832, rs3765459, rs4810485, and rs6074022) were selected and genotyped in a Chinese cohort comprising 162 patients with NMOSD and 237 healthy controls. P values, odds ratios (ORs), and 95 % confidential intervals (CI) for four test models (allelic, additive, dominant, and recessive) were used to assess relationships between CD40 and NMOSD. Results showed that the rs3765459 variant was significantly associated with increased risk of NMOSD in allelic model (OR = 1.48, 95 % CI 1.10-1.98, P = 0.009, P corr = 0.037), and similar results were detected in the additive and recessive models (OR = 1.47, 95 % CI 1.09-1.97, P = 0.010, P corr = 0.042; OR = 2.12, 95 % CI 1.18-3.8, P = 0.012, P corr = 0.048, respectively). Other three SNPs showed protections on NMOSD in dominant models (rs6074022, OR = 0.64, 95 % CI 0.42-0.95, P = 0.031; rs1883832, OR = 0.65, 95 % CI 0.43-0.97, P = 0.036; and rs4810485, OR = 0.63, 95 % CI 0.42-0.95, P = 0.029, respectively), but not significantly after Bonferroni corrections for multiple tests. In addition, haplotype analysis of these SNPs in tight linkage did not reveal significant association with NMOSD. This study indicates that the rs3765459 variant in CD40 gene is associated with susceptibility to NMOSD. Larger sample size studies in other ethnicities are needed to verify this association.
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21
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Marrie RA, Patten SB, Tremlett H, Wolfson C, Warren S, Svenson LW, Jette N, Fisk J. Sex differences in comorbidity at diagnosis of multiple sclerosis: A population-based study. Neurology 2016; 86:1279-1286. [PMID: 26962066 PMCID: PMC4826338 DOI: 10.1212/wnl.0000000000002481] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2015] [Accepted: 11/16/2015] [Indexed: 01/16/2023] Open
Abstract
Objective: To determine the prevalence of comorbidity in the multiple sclerosis (MS) population at the time of MS diagnosis. We also compared the prevalence of comorbidity in the MS population to that in a matched cohort from the general population. Methods: Using population-based administrative health data from 4 Canadian provinces, we identified 23,382 incident MS cases and 116,638 age-, sex-, and geographically matched controls. We estimated the prevalence of hypertension, diabetes, hyperlipidemia, heart disease, chronic lung disease, epilepsy, fibromyalgia, inflammatory bowel disease, depression, anxiety, bipolar disorder, and schizophrenia at MS diagnosis using validated case definitions. We compared the populations using rate ratios. Results: Of the MS cases, 16,803 (71.9%) were female. The most prevalent comorbidity was depression (19.1%). Compared to the matched population, all comorbidities except hyperlipidemia were more common in the MS population. Relative to the matched populations, the prevalence of hypertension was 16% higher for women with MS and 48% higher for men with MS, thus there was a disproportionately higher prevalence of hypertension in men with MS than women. Men with MS also had a disproportionately higher prevalence than women with MS for diabetes, epilepsy, depression, and anxiety. Conclusions: Comorbidity is more common than expected in MS, even around the time of diagnosis. The prevalence of psychiatric comorbidity is particularly high and highlights the need for clinical attention to this issue. The observed sex-specific differences in the burden of comorbidity in MS, which differ from those in the matched population, warrant further investigation.
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Affiliation(s)
- Ruth Ann Marrie
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada.
| | - Scott B Patten
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
| | - Helen Tremlett
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
| | - Christina Wolfson
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
| | - Sharon Warren
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
| | - Lawrence W Svenson
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
| | - Nathalie Jette
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
| | - John Fisk
- From the Departments of Internal Medicine (R.A.M.) and Community Health Sciences (R.A.M.), University of Manitoba; Department of Community Health Sciences (S.B.P., L.W.S., N.J.), Institute for Public Health (N.J.), Department of Clinical Neurosciences (N.J.), and Hotchkiss Brain Institute (N.J.), University of Calgary; Department of Medicine (Neurology) (H.T.), University of British Columbia, Vancouver; Department of Epidemiology and Biostatistics and Occupational Health (C.W.), McGill University, Montreal; Faculty of Rehabilitation Medicine (S.W.) and School of Public Health (L.W.S.), University of Alberta, Edmonton; Surveillance and Assessment (L.W.S.), Alberta Health, Edmonton; and Departments of Psychiatry and Medicine (J.F.), Dalhousie University, Halifax, Canada
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Concomitant Thyroid Disorders and Inflammatory Bowel Disease: A Literature Review. BIOMED RESEARCH INTERNATIONAL 2016; 2016:5187061. [PMID: 27042663 PMCID: PMC4794572 DOI: 10.1155/2016/5187061] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/27/2015] [Revised: 01/30/2016] [Accepted: 02/16/2016] [Indexed: 02/06/2023]
Abstract
The aim of this report was to review and summarize the literature on cases of concomitant inflammatory bowel disease (IBD) and thyroid diseases. We included the following previous case reports of concomitant IBD and thyroid diseases: 16 cases of ulcerative colitis (UC) and Graves' disease (GD), 3 cases of Crohn's disease (CD) and GD, 10 cases of CD and Hashimoto's thyroiditis (HT), 4 cases of IBD and subacute thyroiditis (SAT) or SAT-like symptoms, and 13 cases of IBD (12/13 cases were CD) and amyloid goiter. There might be no obvious differences of prevalence of thyroid dysfunction (hyper- or hypothyroidism), GD, and thyroid cancer between IBD patients and general populations. However, concomitant UC and HT might be relatively common in patients with multiple autoimmune disorders, and AG is one of the complications with CD patients. There might be no obvious differences of fatal prognoses between IBD patients with thyroid diseases and patients with thyroid diseases without IBD.
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The MS Risk Allele of CD40 Is Associated with Reduced Cell-Membrane Bound Expression in Antigen Presenting Cells: Implications for Gene Function. PLoS One 2015; 10:e0127080. [PMID: 26068105 PMCID: PMC4465929 DOI: 10.1371/journal.pone.0127080] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Accepted: 04/10/2015] [Indexed: 12/31/2022] Open
Abstract
Human genetic and animal studies have implicated the costimulatory molecule CD40 in the development of multiple sclerosis (MS). We investigated the cell specific gene and protein expression variation controlled by the CD40 genetic variant(s) associated with MS, i.e. the T-allele at rs1883832. Previously we had shown that the risk allele is expressed at a lower level in whole blood, especially in people with MS. Here, we have defined the immune cell subsets responsible for genotype and disease effects on CD40 expression at the mRNA and protein level. In cell subsets in which CD40 is most highly expressed, B lymphocytes and dendritic cells, the MS-associated risk variant is associated with reduced CD40 cell-surface protein expression. In monocytes and dendritic cells, the risk allele additionally reduces the ratio of expression of full-length versus truncated CD40 mRNA, the latter encoding secreted CD40. We additionally show that MS patients, regardless of genotype, express significantly lower levels of CD40 cell-surface protein compared to unaffected controls in B lymphocytes. Thus, both genotype-dependent and independent down-regulation of cell-surface CD40 is a feature of MS. Lower expression of a co-stimulator of T cell activation, CD40, is therefore associated with increased MS risk despite the same CD40 variant being associated with reduced risk of other inflammatory autoimmune diseases. Our results highlight the complexity and likely individuality of autoimmune pathogenesis, and could be consistent with antiviral and/or immunoregulatory functions of CD40 playing an important role in protection from MS.
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MS risk allele rs1883832T is associated with decreased mRNA expression of CD40. J Mol Neurosci 2015; 56:540-5. [PMID: 25600834 DOI: 10.1007/s12031-015-0490-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Accepted: 01/05/2015] [Indexed: 12/25/2022]
Abstract
CD40-CD40L interactions mediate T-dependent B cell response and efficient T cell priming. Therefore, genes encoding these molecules are attractive candidates for studies on autoimmune diseases, such as multiple sclerosis (MS), in which activated T and B cells are involved. Thus, we analyzed CD40 and CD40L mRNA expression in whole blood samples from MS patients and controls. Additionally, we examined the effect of three SNPs of CD40 (rs1883832C>T, rs11569343C>G, and rs752118C>T) and two SNPs of CD40L (rs3092923T>C and rs3092952A>G) on their mRNA expression. Our results showed that the rs1883832C>T SNP affects CD40 gene expression. Our analysis revealed that individuals possessing CT and TT genotypes (predisposing to MS) had decreased level of CD40 mRNA in comparison to those with CC. Moreover, we demonstrated the potential role of impaired CD40-CD40L interaction in developing of multiple sclerosis.
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İnal EE, Rüstemoğlu A, İnanır A, Ekinci D, Gül Ü, Yiğit S, Ateş Ö. Associations of rs4810485 and rs1883832 polymorphisms of CD40 gene with susceptibility and clinical findings of Behçet's disease. Rheumatol Int 2014; 35:837-43. [PMID: 25373542 DOI: 10.1007/s00296-014-3171-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 10/28/2014] [Indexed: 01/18/2023]
Abstract
There are evidences that besides geographic tendency, interactions between genetic and environmental factors play an essential role in the pathogenesis of Behçet's disease (BD). In this study, we have evaluated the associations between rs4810485 and rs1883832 single nucleotide polymorphism (SNP)s of CD40 gene with the susceptibility and clinical findings of BD. Two hundred and eighty-five patients with BD and 225 age-matched healthy controls were enrolled in this study. The clinical findings of patients were noted. The distributions of genotypes, alleles, combined genotypes and haplotypes of these two SNPs in BD patients were compared with those in healthy controls. In further evaluation, we evaluated the patients with and without any of clinical findings with regarding to distribution of genotypes and alleles of these two SNPs. There was no significant difference concerning frequencies of genotypes, alleles, combined genotypes and haplotypes of rs4810485 and rs1883832 between patients and controls (p > 0.05 for all). Frequency of GT genotype of CD40 rs4810485 polymorphism was found to be significantly higher in patients with skin lesions (p < 0.05, OR 1.65, 95 % CI 1.02-2.64). Also, we have found significantly higher frequencies of CC genotype and C allele of CD40 rs1883832 polymorphism in patients with genital ulcers (p < 0.05 for both, OR 2.30, 95 % CI 1.07-4.94 and OR 1.78, 95 % CI 1.06-2.97, respectively). However, these significances were disappeared after Bonferroni correction. We suggest that differences in the expression levels of CD40 because of different genotypes of these two SNPs may take part in the development of skin lesions or genital ulcers in patients with BD.
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Affiliation(s)
- Esra Erkol İnal
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Süleyman Demirel University, Isparta, Turkey,
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Investigation of gene-gene interactions between CD40 and CD40L in Polish multiple sclerosis patients. Hum Immunol 2014; 75:796-801. [PMID: 24912008 DOI: 10.1016/j.humimm.2014.05.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2013] [Revised: 03/11/2014] [Accepted: 05/29/2014] [Indexed: 12/11/2022]
Abstract
CD40-CD40L interaction is necessary for the activation of both humoral and cellular immune response and has been suggested to play a role in the pathogenesis of multiple sclerosis (MS). Therefore, we analyzed the combined influence of the CD40 and CD40L variants on MS susceptibility and progression on well-defined Polish population. Our investigation revealed that CT individuals in rs1883832 locus of CD40 possessed almost 1.5-fold higher risk for MS than CC individuals (OR = 1.44; 95%CI = 1.03-2.1; p = 0.032), while this risk for TT individuals was almost 2.5-fold higher (OR = 2.36; 95%CI = 1.19-4.78; p = 0.014). Moreover, for the first time, we observed the association of CD40 gene with MS development and progression. We observed that for the rs1883832CC individuals the age at diagnosis was on average 2 years lower than for the rs1883832CT and rs1883832TT individuals (CI95% = -3.69-(-0.29); p = 0.023). Additionally, we detected that individuals with TT and CT genotypes showed lower risk of developing secondary progressive course in comparison to those with CC genotype. For rs1883832TT individuals this risk was 4-fold lower (HR = 0.24; CI95% = 0.10-0.53; p = 0.00062). Despite the fact that CD40-CD40L pathway plays a key role in development of autoimmune diseases, we were not able to detect gene-gene interactions between CD40 and CD40L polymorphisms associated with multiple sclerosis.
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Malekzadeh A, Teunissen C. Recent progress in omics-driven analysis of MS to unravel pathological mechanisms. Expert Rev Neurother 2014; 13:1001-16. [PMID: 24053344 DOI: 10.1586/14737175.2013.835602] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
At present, the pathophysiology and specific biological markers reflecting pathology of multiple sclerosis (MS) remain undetermined. The risk of developing MS is considered to depend on genetic susceptibility and environmental factors. The interaction of environmental factors with epigenetic mechanisms could affect the transcriptional level and therefore also the translational level. In the last decade, growing amount of hypothesis-free 'omics' studies have shed light on the potential MS mechanisms and raised potential biomarker targets. To understand MS pathophysiology and discover a subset of biomarkers, it is becoming essential to take a step forward and integrate the findings of the different fields of 'omics' into a systems biology network. In this review, we will discuss the recent findings of the genomic, transcriptomic and proteomic fields for MS and aim to make a unifying model.
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Affiliation(s)
- Arjan Malekzadeh
- Department of Clinical Chemistry, VU University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
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Hejr S, Karimi MH, Sabet S, Mohammadi B, Nikeghbalian S, Geramizadeh B, Yaghobi R. Polymorphism of the IL-18 and CD40 genes and Liver Transplant Outcome in Iranian Patients. Int J Organ Transplant Med 2014; 5:149-54. [PMID: 25426283 PMCID: PMC4243046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
BACKGROUND Cytokines and co-stimulatory molecules are important factors determining the outcome of transplantation. OBJECTIVE To investigate the effect of IL-18 and CD40 gene polymorphisms on the outcome of liver transplantation. METHODS 150 liver transplant recipients were included in this study. Alleles and genotypes frequencies for IL-18 (rs1946519) and CD40 (rs1883832) were determined in 28 acutely rejected (AR group) and 122 non-acutely rejected (non-AR group) liver transplant recipients. IL-18 and CD40 gene polymorphisms were evaluated by PCR-RFLP methods. RESULTS There were no significant associations between IL-18 and CD40 polymorphism with acute rejection in liver transplant patients. IL-18TT and TG genotypes had a significant association with rejection in women compared to men. After grouping the liver recipients according to living vs cadaver donors, a significant association was found between CC genotype of CD40 and rejection in male living donor recipients. IL-18 TG genotype had a significant association with rejection in female cadaver donor recipients. CONCLUSION There is no correlation between all genotype and alleles of IL-80 and CD40 polymorphism and the outcome of liver transplantation. However, gender and type of donor affect the correlation between all genotype and alleles of IL-18 and CD40, and the outcome of liver transplantation.
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Affiliation(s)
| | - M. H. Karimi
- Correspondence: Mohammad Hossein Karimi, Associate Professor of Immunology, Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran ,Fax: +98-71-3647-4331, E-mail:
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Sokolova EA, Malkova NA, Korobko DS, Rozhdestvenskii AS, Kakulya AV, Khanokh EV, Delov RA, Platonov FA, Popova TY, Aref' eva EG, Zagorskaya NN, Alifirova VM, Titova MA, Smagina IV, El' chaninova SA, Popovtseva AV, Puzyrev VP, Kulakova OG, Tsareva EY, Favorova OO, Shchur SG, Lashch NY, Popova NF, Popova EV, Gusev EI, Boyko AN, Aulchenko YS, Filipenko ML. Association of SNPs of CD40 gene with multiple sclerosis in Russians. PLoS One 2013; 8:e61032. [PMID: 23613777 PMCID: PMC3632563 DOI: 10.1371/journal.pone.0061032] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Accepted: 03/05/2013] [Indexed: 11/19/2022] Open
Abstract
Multiple sclerosis (MS) is a serious, incurable neurological disease. In 2009, the ANZgene studies detected the suggestive association of located upstream of CD40 gene in chromosome 20q13 (p = 1.3×10(-7)). Identification of the causal variant(s) in the CD40 locus leads to a better understanding of the mechanism underlying the development of autoimmune pathologies. We determined the genotypes of rs6074022, rs1883832, rs1535045, and rs11086996 in patients with MS (n = 1684) and in the control group (n = 879). Two SNPs were significantly associated with MS: rs6074022 (additive model C allele OR = 1.27, 95% CI = [1.12-1.45], p = 3×10(-4)) and rs1883832 (additive model T allele OR = 1.20, 95% CI = [1.05-1.38], p = 7×10(-3)). In the meta-analysis of our results and the results of four previous studies, we obtain the association p-value of 2.34×10(-12), which confirmed the association between MS and rs6074022 at a genome-wide significant level. Next, we demonstrated that the model including rs6074022 only sufficiently described the association. From our analysis, we can speculate that the association between rs1883832 and MS was induced by LD, whereas rs6074022 was a marker in stronger LD with the functional variant or was the functional variant itself. Our results indicated that the functional variants were located in the upstream region of the gene CD40 and were in higher LD with rs6074022 than LD with rs1883832.
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Affiliation(s)
- Ekaterina Alekseevna Sokolova
- Pharmacogenomics Group, Institute of Chemical Biology and Fundamental Medicine, Siberian Division, Russian Academy of Sciences, Novosibirsk, Russia.
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Different activation of TRAF4 and TRAF6 in inflammatory bowel disease. Mediators Inflamm 2013; 2013:647936. [PMID: 23431243 PMCID: PMC3569908 DOI: 10.1155/2013/647936] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Revised: 11/26/2012] [Accepted: 12/10/2012] [Indexed: 02/07/2023] Open
Abstract
In recent years, interests combining the exploration of tumor necrosis factor receptor-associated factor 4 (TRAF4) and TRAF6 in immune cells and transgenic mice are emerging. Although it has been found that TRAF4 and TRAF6 share the same TRAF binding sites, comprehensive study of TRAF4 and TRAF6 in inflammatory bowel disease (IBD) is still lacking. This paper shows similar and different expression patterns of TRAF4 and TRAF6 in patients with IBD. The results indicate that TRAF4 and TRAF6 are overexpressed in IBD. TRAF4 and TRAF6 play different roles in the pathogenesis of IBD. Moreover, TRAF4 may be an indicator of endoscopic disease activity of UC and TRAF6 preactivation can be detected in noninflamed colonic segments.
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Baxter AG, Jordan MA. From markers to molecular mechanisms: type 1 diabetes in the post-GWAS era. Rev Diabet Stud 2012; 9:201-23. [PMID: 23804261 DOI: 10.1900/rds.2012.9.201] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
By the year 2000, a draft of the human genome sequence was completed. Millions of single-nucleotide polymorphisms (SNPs) had been deposited into public databases, and high throughput technologies were under development for SNP genotyping. At that time, it was predicted that large case control association studies would provide far better resolution and power than genome-wide linkage studies. Type 1 diabetes was one of the first phenotypes to be examined by genome-wide association studies (GWAS), and to date over 50 genomic regions have been associated with the disease. In general, the great majority of these loci individually contribute a relatively small degree of risk, and most loci lie outside of coding sequences. The identification of molecular mechanisms from these genomic data therefore remains a significant challenge. Here, we summarize genetic candidate, linkage, and association studies of type 1 diabetes and discuss a potential strategy to identify mechanisms of disease from genomic data.
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Affiliation(s)
- Alan G Baxter
- Comparative Genomics Centre, Molecular Sciences Building 21, James Cook University, Townsville QLD 4811, Australia.
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Piotrowski P, Lianeri M, Wudarski M, Olesińska M, Jagodziński PP. Single nucleotide polymorphism of CD40 region and the risk of systemic lupus erythematosus. Lupus 2012; 22:233-7. [DOI: 10.1177/0961203312470184] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
There is one study on the association of the CD40 G > T (rs4810485) single nucleotide polymorphism (SNP) as a risk factor of systemic lupus erythematosus (SLE). Therefore, we studied the prevalence of the CD40 G > T SNP in patients with SLE ( n = 261) and controls ( n = 545) in a Polish population. We did not find significant differences between the CD40 G > T genotype and allele frequency in patients with SLE and healthy individuals. However, the frequency of the CD40 TT and GT genotypes was statistically different between patients with arthritis and neurologic manifestations and patients without these symptoms (OR = 0.2009 (95% CI = 0.07547–0.5348, p = 0.0004, pcorr = 0.0068) and OR = 0.2876 (95% CI = 0.1371–0.6031, p = 0.0005, pcorr = 0.0085) respectively). Our observations indicate that the CD40 T variant might be negatively associated with some clinical disease manifestations in patients with SLE.
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Affiliation(s)
- P Piotrowski
- Department of Biochemistry and Molecular Biology, Poznań University of Medical Sciences, Poland
- Mossakowski Medical Research Centre Polish Academy of Sciences, Warsaw, Poland
| | - M Lianeri
- Department of Biochemistry and Molecular Biology, Poznań University of Medical Sciences, Poland
| | - M Wudarski
- Institute of Rheumatology, Warsaw, Poland
| | | | - PP Jagodziński
- Department of Biochemistry and Molecular Biology, Poznań University of Medical Sciences, Poland
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Study of association of CD40-CD154 gene polymorphisms with disease susceptibility and cardiovascular risk in Spanish rheumatoid arthritis patients. PLoS One 2012; 7:e49214. [PMID: 23166616 PMCID: PMC3499567 DOI: 10.1371/journal.pone.0049214] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2012] [Accepted: 10/05/2012] [Indexed: 12/23/2022] Open
Abstract
Objective Rheumatoid arthritis (RA) is a chronic inflammatory disease associated with increased cardiovascular (CV) mortality. Since CD40-CD154 binding has direct consequences on inflammation process initiation, we aimed to replicate previous findings related to disease susceptibility in Spanish RA population. Furthermore, as the major complication in RA disease patients is the development of CV events due to accelerated atherosclerosis, and elevated levels of CD40L/CD154 are present in patients with acute myocardial infarction, we assessed the potential association of CD40 and CD154/CD40L gene variants with CV risk in Spanish RA patients. Methods One thousand five hundred and seventy-five patients fulfilling the 1987 ACR classification criteria for RA and 1600 matched controls were genotyped for the CD40 rs1883832, rs4810485 and rs1535045 and CD154 rs3092952 and rs3092920 gene polymorphisms, using predesigned TaqMan single nucleotide polymorphism genotyping assays. Afterwards, we investigated the influence of CD40-CD154 gene variants in the development of CV events. Also, in a subgroup of 273 patients without history of CV events, we assessed the influence of these polymorphisms in the risk of subclinical atherosclerosis determined by carotid ultrasonography. Results Nominally significant differences in the allele frequencies for the rs1883832 CD40 gene polymorphism between RA patients and controls were found (p = 0.038). Although we did not observe a significant association of CD40-CD154 gene variants with the development of CV events, an ANCOVA model adjusted for sex, age at the time of the ultrasonography assessment, follow-up time, traditional CV risk factors and anti-cyclic citrullinated peptide antibodies disclosed a significant association (p = 0.0047) between CD40 rs1535045 polymorphism and carotid intima media thickness, a surrogate marker of atherosclerosis. Conclusion Data from our pilot study indicate a potential association of rs1883832 CD40 gene polymorphism with susceptibility to RA. Also, the CD40 rs1535045 gene variant may influence development of subclinical atherosclerosis in RA patients.
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Pravica V, Popadic D, Savic E, Markovic M, Drulovic J, Mostarica-Stojkovic M. Single nucleotide polymorphisms in multiple sclerosis: disease susceptibility and treatment response biomarkers. Immunol Res 2012; 52:42-52. [PMID: 22392049 DOI: 10.1007/s12026-012-8273-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Multiple sclerosis (MS) is a chronic inflammatory demyelinating and neurodegenerative disease of the central nervous system characterized by unpredictable and variable clinical course. Etiology of MS involves both genetic and environmental factors. New technologies identified genetic polymorphisms associated with MS susceptibility among which immunologically relevant genes are significantly overrepresented. Although individual genes contribute only a small part to MS susceptibility, they might be used as biomarkers, thus helping to identify accurate diagnosis, predict clinical disease course and response to therapy. This review focuses on recent progress in research on MS genetics with special emphasis on the possibility to use single nucleotide polymorphism of candidate genes as biomarkers of susceptibility to disease and response to therapy.
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Affiliation(s)
- Vera Pravica
- Institute of Microbiology and Immunology, University of Belgrade School of Medicine, Dr Subotica 1, 11000 Belgrade, Serbia.
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de Almeida ERA, Petzl-Erler ML. Expression of genes involved in susceptibility to multifactorial autoimmune diseases: estimating genotype effects. Int J Immunogenet 2012; 40:178-85. [DOI: 10.1111/j.1744-313x.2012.01152.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/16/2012] [Accepted: 07/25/2012] [Indexed: 11/29/2022]
Affiliation(s)
| | - M. L. Petzl-Erler
- Department of Genetics; Human Molecular Genetics Laboratory; Federal University of Paraná; Curitiba; Brazil
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Liu R, Xu N, Wang X, Shen L, Zhao G, Zhang H, Fan W. Influence of MIF, CD40, and CD226 polymorphisms on risk of rheumatoid arthritis. Mol Biol Rep 2012; 39:6915-22. [PMID: 22302395 DOI: 10.1007/s11033-012-1518-y] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2011] [Accepted: 01/24/2012] [Indexed: 11/29/2022]
Abstract
Macrophage migration inhibitory factor (MIF) is a key pro-inflammatory mediator. It plays an important role part in the pathogenesis of several inflammatory and immune diseases. A functional single nucleotide polymorphism (SNP) of MIF -173 G/C is known to influence MIF promoter activity in T lymphoblast cell lines and is associated with a higher serum MIF level. The CD40 is also crucial for some relevant functions of the immune system and may be related to rheumatoid arthritis (RA). And CD226 is an important cell-surface receptor molecule involved in the adhesion and activation of T-cell. We hypothesized that these polymorphisms may contribute to RA susceptibility. We studied MIF -173 G/C, CD40, and CD226 gene polymorphisms in 214 patients with RA and 478 controls in a Chinese population. Genotyping was done by using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS). When the MIF -173 GG homozygote genotype was used as the reference group, the CC genotype was associated with a significantly increased risk for RA. In the recessive model, when the MIF -173 GG/GC genotypes were used as the reference group, the CC homozygote genotype was associated with a significant 1.56-fold increased susceptibility to RA. None of the CD40 rs1883832 C/T and CD226 rs763361 C/T polymorphisms achieved a significant difference in genotype distributions between cases and controls. In the stratification analyzes, a significantly increased risk for RA associated with the MIF -173 CC genotype was evident among CRP-negative patients compared with the MIF -173 GG/GC genotype. For the CD40 rs1883832 C/T variant, the risk effects of CD40 rs1883832 TT versus CD40 rs1883832 CC/CT were significant in men. These findings suggested that the functional SNP MIF -173 G/C variant allele was associated with the development of RA. However, CD40 and CD226 gene polymorphisms may not be associated with RA susceptibility. Due to the limitation of sample size, this study should be considered preliminary.
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Affiliation(s)
- Ruiping Liu
- Department of Orthopedics, The Affiliated Hospital of Nanjing Medical University, Changzhou Second People’s Hospital, Changzhou, China
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Huber AK, Finkelman FD, Li CW, Concepcion E, Smith E, Jacobson E, Latif R, Keddache M, Zhang W, Tomer Y. Genetically driven target tissue overexpression of CD40: a novel mechanism in autoimmune disease. THE JOURNAL OF IMMUNOLOGY 2012; 189:3043-53. [PMID: 22888137 DOI: 10.4049/jimmunol.1200311] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The CD40 gene, an important immune regulatory gene, is also expressed and functional on nonmyeloid-derived cells, many of which are targets for tissue-specific autoimmune diseases, including β cells in type 1 diabetes, intestinal epithelial cells in Crohn's disease, and thyroid follicular cells in Graves' disease (GD). Whether target tissue CD40 expression plays a role in autoimmune disease etiology has yet to be determined. In this study, we show that target tissue overexpression of CD40 plays a key role in the etiology of autoimmunity. Using a murine model of GD, we demonstrated that thyroidal CD40 overexpression augmented the production of thyroid-specific Abs, resulting in more severe experimental autoimmune GD (EAGD), whereas deletion of thyroidal CD40 suppressed disease. Using transcriptome and immune-pathway analyses, we showed that in both EAGD mouse thyroids and human primary thyrocytes, CD40 mediates this effect by activating downstream cytokines and chemokines, most notably IL-6. To translate these findings into therapy, we blocked IL-6 during EAGD induction in the setting of thyroidal CD40 overexpression and showed decreased levels of thyroid stimulating hormone receptor-stimulating Abs and frequency of disease. We conclude that target tissue overexpression of CD40 plays a key role in the etiology of organ-specific autoimmune disease.
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Affiliation(s)
- Amanda K Huber
- Division of Endocrinology, Mount Sinai School of Medicine, New York, NY 10029, USA.
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Teruel M, Simeon CP, Broen J, Vonk MC, Carreira P, Camps MT, García-Portales R, Delgado-Frías E, Gallego M, Espinosa G, Beretta L, Airó P, Lunardi C, Riemekasten G, Witte T, Krieg T, Kreuter A, Distler JHW, Hunzelmann N, Koeleman BP, Voskuyl AE, Schuerwegh AJ, González-Gay MA, Radstake TRDJ, Martin J. Analysis of the association between CD40 and CD40 ligand polymorphisms and systemic sclerosis. Arthritis Res Ther 2012; 14:R154. [PMID: 22731751 PMCID: PMC3446540 DOI: 10.1186/ar3890] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Revised: 05/23/2012] [Accepted: 06/25/2012] [Indexed: 01/07/2023] Open
Abstract
Introduction The aim of the present study was to investigate the possible role of CD40 and CD40 ligand (CD40LG) genes in the susceptibility and phenotype expression of systemic sclerosis (SSc). Methods In total, 2,670 SSc patients and 3,245 healthy individuals from four European populations (Spain, Germany, The Netherlands, and Italy) were included in the study. Five single-nucleotide polymorphisms (SNPs) of CD40 (rs1883832, rs4810485, rs1535045) and CD40LG (rs3092952, rs3092920) were genotyped by using a predesigned TaqMan allele-discrimination assay technology. Meta-analysis was assessed to determine whether an association exists between the genetic variants and SSc or its main clinical subtypes. Results No evidence of association between CD40 and CD40LG genes variants and susceptibility to SSc was observed. Similarly, no significant statistical differences were observed when SSc patients were stratified by the clinical subtypes, the serologic features, and pulmonary fibrosis. Conclusions Our results do not suggest an important role of CD40 and CD40LG gene polymorphisms in the susceptibility to or clinical expression of SSc.
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Affiliation(s)
- María Teruel
- Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, Avda, del Conocimiento s/n, 18010, Granada, SpainArmilla (Granada), Spain.
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Jacob N, Jacob CO. Genetics of rheumatoid arthritis: an impressionist perspective. Rheum Dis Clin North Am 2012; 38:243-57. [PMID: 22819082 DOI: 10.1016/j.rdc.2012.05.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Rheumatoid arthritis (RA) is the most common rheumatic disease. The genetic basis of RA is supported through the identification of more than 30 susceptibility genetic variants. Each of these genes individually makes only a slight contribution to the risk of disease. Moreover, there is significant disparity in the genetic variants associated with different RA subgroups and patient ethnicities, which emphasizes the intricate nature of the disease's pathogenesis, and the complexities involved in large-scale genetic studies. This review evaluates critically the recent literature on the genetic contribution to RA and assesses the methodology used to identify these risk alleles.
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Affiliation(s)
- Noam Jacob
- Department of Medicine, Keck School of Medicine, University of Southern California, 2011 Zonal Avenue HMR 703, Los Angeles, CA 90033, USA.
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41
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Two new susceptibility loci for Kawasaki disease identified through genome-wide association analysis. Nat Genet 2012; 44:522-5. [PMID: 22446961 DOI: 10.1038/ng.2227] [Citation(s) in RCA: 148] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Accepted: 02/29/2012] [Indexed: 12/19/2022]
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Tanizawa K, Handa T, Nagai S, Ito I, Kubo T, Ito Y, Watanabe K, Aihara K, Mishima M, Izumi T. A CD40 single-nucleotide polymorphism affects the lymphocyte profiles in the bronchoalveolar lavage of Japanese patients with sarcoidosis. ACTA ACUST UNITED AC 2012; 78:442-5. [PMID: 22077624 DOI: 10.1111/j.1399-0039.2011.01783.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
CD40 plays a critical role in adaptive immunity, and alveolar macrophages in patients with sarcoidosis express higher levels of CD40. This study investigated the association of rs1883832, a functional single-nucleotide polymorphism in the CD40 gene with susceptibility to sarcoidosis and phenotypes of sarcoidosis. Genotyping of rs1883832 in 175 Japanese patients with sarcoidosis and 150 age- and sex-matched controls revealed no significant difference between the genotypes of the patient and control groups (CC/CT/TT, 32.8/52.0/14.7% in the patients; 37.3/48.0/14.7% in the controls, P = 0.66; allele C, 59.1% in the patients, 61.3% in the controls, P = 0.57). T-cell and CD4+ cell counts in the bronchoalveolar lavage fluid were significantly higher in the TT genotype group than in the CC and CT genotype group.
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Affiliation(s)
- K Tanizawa
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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43
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Sakaguchi S, Benham H, Cope AP, Thomas R. T‐cell receptor signaling and the pathogenesis of autoimmune arthritis: insights from mouse and man. Immunol Cell Biol 2012; 90:277-87. [DOI: 10.1038/icb.2012.4] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Shimon Sakaguchi
- Laboratory of Experimental Immunology, WPI Immunology Frontier Research Center, Osaka University Suita Japan
- Department of Experimental Pathology, Institute for Frontier Medical Sciences, Kyoto University Kyoto Japan
| | - Helen Benham
- The University of Queensland, Diamantina Institute, Princess Alexandra Hospital Brisbane Queensland Australia
| | - Andrew P Cope
- Academic Department of Rheumatology, Centre for Molecular and Cellular Biology of Inflammation, Division of Immunology, Infection and Inflammatory Diseases, School of Medicine, King's College London London UK
| | - Ranjeny Thomas
- The University of Queensland, Diamantina Institute, Princess Alexandra Hospital Brisbane Queensland Australia
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Chen F, Hou S, Jiang Z, Chen Y, Kijlstra A, Rosenbaum JT, Yang P. CD40 gene polymorphisms confer risk of Behcet's disease but not of Vogt-Koyanagi-Harada syndrome in a Han Chinese population. Rheumatology (Oxford) 2012; 51:47-51. [DOI: 10.1093/rheumatology/ker345] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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45
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Croft M, Duan W, Choi H, Eun SY, Madireddi S, Mehta A. TNF superfamily in inflammatory disease: translating basic insights. Trends Immunol 2011; 33:144-52. [PMID: 22169337 DOI: 10.1016/j.it.2011.10.004] [Citation(s) in RCA: 149] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Revised: 10/20/2011] [Accepted: 10/20/2011] [Indexed: 12/17/2022]
Abstract
The tumor necrosis factor (TNF) and TNF receptor superfamilies (TNFSF and TNFRSF) consist of approximately 50 membrane and soluble proteins that can modulate cellular function. Most of these molecules are expressed by or can target cells of the immune system, and they have a wide range of actions including promoting cellular differentiation, survival, and production of inflammatory cytokines and chemokines. Emerging data show that TNFSF ligand-receptor signaling pathways are active in inflammatory and autoimmune disease. Furthermore, several genetic polymorphisms in TNFSF and TNFRSF associate with susceptibility to developing disease. Here, we examine recent data regarding the potential of these molecules as targets for therapy of autoimmune and inflammatory disease.
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Affiliation(s)
- Michael Croft
- La Jolla Institute for Allergy and Immunology, Division of Immune Regulation, 9420 Athena Circle, La Jolla, CA 92037, USA.
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46
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Chen F, Hou S, Jiang Z, Li F, Chen Y, Kijlstra A, Yang P. CD40 polymorphisms in Han Chinese patients with Fuch uveitis syndrome. Mol Vis 2011; 17:2469-72. [PMID: 21976957 PMCID: PMC3185045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2011] [Accepted: 09/15/2011] [Indexed: 11/03/2022] Open
Abstract
PURPOSE Polymorphisms of the cluster of differentiation 40 (CD40) gene have recently been identified to be associated with the risk to several immune diseases. The aim of this study was to determine the potential association of CD40 polymorphisms with Fuch uveitis syndrome (FUS). METHODS A total of 131 Han Chinese patients with FUS and 402 healthy controls were genotyped using the polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method. Genotype counts in patients and controls were analyzed by the χ(2) test. RESULTS All genotypic and allelic frequencies of the tested two CD40 polymorphisms were in Hardy-Weinberg equilibrium. The genotypic and allelic frequencies of rs4810485 and rs1883832 were not different between patients with FUS and controls. No influence of sex could be found following stratification analysis according to gender. CONCLUSIONS Our results suggest that the two investigated single-nucleotide polymorphisms (SNPs), rs4810485 and rs1883832, in CD40 are not associated with FUS in the Han Chinese population.
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Affiliation(s)
- Feilan Chen
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, P.R. China
| | - Shengping Hou
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, P.R. China
| | - Zhengxuan Jiang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, P.R. China
| | - Fuzhen Li
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, P.R. China
| | - Yuanyuan Chen
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, P.R. China
| | - Aize Kijlstra
- Eye Research Institute Maastricht, Department of Ophthalmology, University Hospital Maastricht, Maastricht, the Netherlands
| | - Peizeng Yang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, and Chongqing Eye Institute, Chongqing, P.R. China
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Abstract
The study of complex genetics in autoimmune diseases has progressed at a tremendous pace over the last 4 years, as a direct result of the enormous gains made by genome wide association studies (GWAS). Novel genetic findings are continuously being reported alongside the rapid development of genetic technologies, sophisticated statistical analysis, and larger sample collections. It is now becoming clear that multiple genes contribute to disease risk in many complex genetic disorders including rheumatoid arthritis (RA) and that there are common genetic risk factors that underlie a spectrum of autoimmune diseases. This review details the current genetic landscape of RA, and describes what GWAS has taught us in terms of missing heritability, subsets of disease, existence of genetic heterogeneity, and shared autoimmune risk loci. Finally, this review addresses the initial challenges faced in translating the wealth of genetic findings into determining the biological mechanisms that contribute to the relationship between genotype and phenotype. Unraveling the mechanism of how genes directly influence the cause of RA will lead to a better understanding of the disease and will ultimately have a direct clinical impact, informing the development of new therapies that can be utilized in the treatment of RA.
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Affiliation(s)
- Kate McAllister
- Arthritis Research United Kingdom Epidemiology Unit, Manchester Academic Health Science Centre, University of Manchester, UK
| | - Stephen Eyre
- Arthritis Research United Kingdom Epidemiology Unit, Manchester Academic Health Science Centre, University of Manchester, UK
| | - Gisela Orozco
- Arthritis Research United Kingdom Epidemiology Unit, Manchester Academic Health Science Centre, University of Manchester, UK
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48
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Risk conferring genes in multiple sclerosis. FEBS Lett 2011; 585:3789-97. [DOI: 10.1016/j.febslet.2011.03.037] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2011] [Revised: 03/17/2011] [Accepted: 03/17/2011] [Indexed: 12/25/2022]
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49
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Rai E, Wakeland EK. Genetic predisposition to autoimmunity--what have we learned? Semin Immunol 2011; 23:67-83. [PMID: 21288738 DOI: 10.1016/j.smim.2011.01.015] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2010] [Accepted: 01/10/2011] [Indexed: 12/20/2022]
Abstract
Rapid advances in genetic technologies have led to the identification of more than 85 loci that contribute to susceptibility to autoimmune diseases. These susceptibility genes are distributed throughout the innate and adaptive immune systems, indicating that dysregulations in both immune systems participate in the development of autoimmunity. A significant subset of these susceptibility genes are shared between multiple autoimmune diseases. However, the dysregulation of specific pathways, such as the pathogen recognition receptors of the innate immune system and the TNF supergene family, are significantly involved in some autoimmune diseases. Although these findings dramatically increase the details available concerning the nature of genetic predisposition to autoimmunity, a mechanistic understanding of the processes involved has not been achieved. Future studies must focus on correlating phenotypes with specific genotypes to improve our understanding of the immune processes that are dysregulated during the development of autoimmunity.
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Affiliation(s)
- Ekta Rai
- Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX 75229, USA
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