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Yang M, Yi P, Jiang J, Zhao M, Wu H, Lu Q. Dysregulated translational factors and epigenetic regulations orchestrate in B cells contributing to autoimmune diseases. Int Rev Immunol 2021; 42:1-25. [PMID: 34445929 DOI: 10.1080/08830185.2021.1964498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
B cells play a crucial role in antigen presentation, antibody production and pro-/anti-inflammatory cytokine secretion in adaptive immunity. Several translational factors including transcription factors and cytokines participate in the regulation of B cell development, with the cooperation of epigenetic regulations. Autoimmune diseases are generally characterized with autoreactive B cells and high-level pathogenic autoantibodies. The success of B cell depletion therapy in mouse model and clinical trials has proven the role of B cells in pathogenesis of autoimmune diseases. The failure of B cell tolerance in immune checkpoints results in accumulated autoreactive naïve B (BN) cells with aberrant B cell receptor signaling and dysregulated B cell response, contributing to self-antibody-mediated autoimmune reaction. Dysregulation of translational factors and epigenetic alterations in B cells has been demonstrated to correlate with aberrant B cell compartment in autoimmune diseases, such as systemic lupus erythematosus, rheumatoid arthritis, primary Sjögren's syndrome, multiple sclerosis, diabetes mellitus and pemphigus. This review is intended to summarize the interaction of translational factors and epigenetic regulations that are involved with development and differentiation of B cells, and the mechanism of dysregulation in the pathogenesis of autoimmune diseases.
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Affiliation(s)
- Ming Yang
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| | - Ping Yi
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| | - Jiao Jiang
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| | - Ming Zhao
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| | - Haijing Wu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China
| | - Qianjin Lu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, Hunan, China.,Department of Dermatology, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China
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2
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Meinl E, Krumbholz M. Endogenous soluble receptors sBCMA and sTACI: biomarker, immunoregulator and hurdle for therapy in multiple myeloma. Curr Opin Immunol 2021; 71:117-123. [PMID: 34330018 DOI: 10.1016/j.coi.2021.06.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 06/15/2021] [Accepted: 06/18/2021] [Indexed: 12/16/2022]
Abstract
BAFF and APRIL regulate B cell homeostasis by binding to their three receptors BAFFR, BCMA and TACI. The complexity of this system is further increased by shedding of these three receptors; this reduces signaling due to the display of less surface receptors. Further, soluble forms, sBCMA and sTACI, were detected in body fluids and serve as biomarker in malignancies, autoimmune diseases and immunodeficiencies. sBCMA and sTACI function as decoys blocking BAFF and APRIL. BCMA is a promising therapeutic target in multiple myeloma, but sBCMA may reduce therapeutic activity of CAR T cells, bispecific antibodies, and antibody-drug conjugates. Insights into the biochemical mechanism of shedding of BCMA can be harnessed to improve BCMA-directed therapy by blocking its shedding with a γ-secretase inhibitor.
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Affiliation(s)
- Edgar Meinl
- Institute of Clinical Neuroimmunology, University Hospital, LMU Munich, Munich, Germany; Biomedical Center (BMC), Faculty of Medicine, LMU Munich, Martinsried, Germany.
| | - Markus Krumbholz
- Department of Neurology and Stroke, Hertie Institute for Clinical Brain Research, University of Tübingen, Germany
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Wu Q, Zhou J, Yuan ZC, Lan YY, Xu WD, Huang AF. Association between IL-37 and Systemic Lupus Erythematosus Risk. Immunol Invest 2021; 51:727-738. [PMID: 33459098 DOI: 10.1080/08820139.2020.1869254] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Interleukin-37 (IL-37) is an anti-inflammatory cytokine. In our former study, we found increased plasma IL-37 levels in systemic lupus erythematosus (SLE) patients. However, relationship between IL-37 levels and clinical laboratory characteristics of SLE patients has not been elucidated. In addition, association of IL37 gene polymorphism with SLE risk needs to be discussed. A group of 580 individuals (220 SLE patients and 360 healthy controls) in a Southern Chinese Han population were recruited. Plasma IL-37 levels were evaluated using enzyme-linked immunosorbent assay (ELISA). Four single-nucleotide polymorphisms (rs3811047, rs2723186, rs2723176 and rs4364030) of IL37 gene were genotyped. Relationship of IL-37 expression, IL37 gene polymorphisms and clinical characteristics was discussed. We found that plasma levels of IL-37 were negatively associated with SLE disease activity index (SLEDAI) (rs = -0.352, P = .001), and were higher in less active patients compared with active patients (P = .003). Decreased levels of IL-37 were found in SLE patients with discoid rash when compared to patients who did not have this symptom (P < .001). Plasma IL-37 levels were significantly lower in patients with hypocomplementemia comparing to those without this feature (P = .009). Levels of IL-37 in SLE with positive proteinuria were lower than patients with negative proteinuria (P = .046). Furthermore, allele distribution of rs2723186, rs4364030 between SLE cases and healthy individuals was significantly different (P = .001, P = .010, respectively). Genotype of rs4364030 was different between SLE cases and controls (P = .015). Haplotype analysis revealed that the frequency of haplotype CG (rs2723176 (C) +rs2723186 (G)) was higher in SLE, as compared with healthy individuals (P = .002). In conclusion, the plasma levels of IL-37 were related to SLE severity, and IL37 gene polymorphisms (rs2723186, rs2723176 and rs4364030) may associate with SLE susceptibility.
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Affiliation(s)
- Qian Wu
- Department of Evidence-Based Medicine, School of Public Health, Southwest Medical University, Luzhou, Sichuan, P.R. China
| | - Jie Zhou
- Department of Evidence-Based Medicine, School of Public Health, Southwest Medical University, Luzhou, Sichuan, P.R. China
| | - Zhi-Chao Yuan
- Department of Evidence-Based Medicine, School of Public Health, Southwest Medical University, Luzhou, Sichuan, P.R. China
| | - You-Yu Lan
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, P.R. China
| | - Wang-Dong Xu
- Department of Evidence-Based Medicine, School of Public Health, Southwest Medical University, Luzhou, Sichuan, P.R. China
| | - An-Fang Huang
- Department of Rheumatology and Immunology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, P.R. China
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Zerrouk N, Miagoux Q, Dispot A, Elati M, Niarakis A. Identification of putative master regulators in rheumatoid arthritis synovial fibroblasts using gene expression data and network inference. Sci Rep 2020; 10:16236. [PMID: 33004899 PMCID: PMC7529794 DOI: 10.1038/s41598-020-73147-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 09/14/2020] [Indexed: 12/15/2022] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease that affects the synovial joints of the body. Rheumatoid arthritis fibroblast-like synoviocytes (RA FLS) are central players in the disease pathogenesis, as they are involved in the secretion of cytokines and proteolytic enzymes, exhibit invasive traits, high rate of self-proliferation and an apoptosis-resistant phenotype. We aim at characterizing transcription factors (TFs) that are master regulators in RA FLS and could potentially explain phenotypic traits. We make use of differentially expressed genes in synovial tissue from patients suffering from RA and osteoarthritis (OA) to infer a TF co-regulatory network, using dedicated software. The co-regulatory network serves as a reference to analyze microarray and single-cell RNA-seq data from isolated RA FLS. We identified five master regulators specific to RA FLS, namely BATF, POU2AF1, STAT1, LEF1 and IRF4. TF activity of the identified master regulators was also estimated with the use of two additional, independent software. The identified TFs contribute to the regulation of inflammation, proliferation and apoptosis, as indicated by the comparison of their differentially expressed target genes with hallmark molecular signatures derived from the Molecular Signatures Database (MSigDB). Our results show that TFs influence could be used to identify putative master regulators of phenotypic traits and suggest novel, druggable targets for experimental validation.
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Affiliation(s)
- Naouel Zerrouk
- GenHotel, Univ. Évry, Université Paris-Saclay, 91025, Genopole, Évry, France
| | - Quentin Miagoux
- GenHotel, Univ. Évry, Université Paris-Saclay, 91025, Genopole, Évry, France
| | - Aurelien Dispot
- University Lille, CNRS, Inserm, CHU Lille, Centre Oscar Lambret, UMR9020, UMR1277, Canther, Cancer Heterogeneity, Plasticity and Resistance To Therapies, 59000, Lille, France
| | - Mohamed Elati
- University Lille, CNRS, Inserm, CHU Lille, Centre Oscar Lambret, UMR9020, UMR1277, Canther, Cancer Heterogeneity, Plasticity and Resistance To Therapies, 59000, Lille, France
| | - Anna Niarakis
- GenHotel, Univ. Évry, Université Paris-Saclay, 91025, Genopole, Évry, France.
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Lee YH, Song GG. Circulating Interleukin-37 Levels in Rheumatoid Arthritis and Systemic Lupus Erythematosus and Their Correlations With Disease Activity: A Meta-analysis. JOURNAL OF RHEUMATIC DISEASES 2020. [DOI: 10.4078/jrd.2020.27.3.152] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Young Ho Lee
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Gwan Gyu Song
- Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
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Salazar-Camarena DC, Palafox-Sánchez CA, Cruz A, Marín-Rosales M, Muñoz-Valle JF. Analysis of the receptor BCMA as a biomarker in systemic lupus erythematosus patients. Sci Rep 2020; 10:6236. [PMID: 32277232 PMCID: PMC7148319 DOI: 10.1038/s41598-020-63390-0] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 03/30/2020] [Indexed: 11/08/2022] Open
Abstract
B cell activating factor (BAFF) and a proliferation-inducing ligand (APRIL) play central roles in B cell development and maturation. Soluble forms of their receptors can be generated by proteolytic cleavage; however, their physiological and clinical roles are unknown. This study aimed to assess the relationships between the receptor soluble B cell maturation antigen (sBCMA) and clinical variables in systemic lupus erythematosus (SLE) patients. Serum cytokine concentrations were measured by ELISA for 129 SLE patients and 34 healthy controls (HCs), and the expression of the receptor BCMA was evaluated on B and plasma cells from 40 subjects. SLE patients showed aberrant expression of the receptor BCMA on B and plasma cells. Soluble levels of the receptor sBCMA and its ligands sAPRIL and sBAFF were increased in SLE patients compared with HCs. Additionally, sBCMA (rs = 0.6177) and sAPRIL (rs = 0.4952) correlated strongly with disease activity. Active SLE patients who achieved low disease activity showed decreased sBCMA (53.30 vs 35.30 ng/mL; p < 0.05) and sBAFF (4.48 vs 2.27 ng/mL; p < 0.05) serum levels after treatment, while sAPRIL expression remained unchanged. At a cutoff value of 22.40 ng/mL, sAPRIL showed high sensitivity (96.12%) and specificity (94.12%) for discrimination between HCs and SLE patients, while sBAFF showed lower sensitivity (82.2%) but higher specificity (94.1%) at a cutoff of 1.195 ng/mL. Relatively high levels of sAPRIL and sBCMA clustered active SLE patients. The receptor sBCMA could be a potential biomarker of disease activity in SLE.
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Affiliation(s)
- Diana Celeste Salazar-Camarena
- Research Institute in Biomedical Sciences, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico
| | - Claudia Azucena Palafox-Sánchez
- Research Institute in Biomedical Sciences, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico.
| | - Alvaro Cruz
- Research Institute in Biomedical Sciences, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico
| | - Miguel Marín-Rosales
- Department of Rheumatology, West Medical Hospital, Ministry of Health, Zapopan, Mexico
| | - José Francisco Muñoz-Valle
- Research Institute in Biomedical Sciences, University Center of Health Sciences, University of Guadalajara, Guadalajara, Mexico
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Vincent FB, Kandane-Rathnayake R, Koelmeyer R, Hoi AY, Harris J, Mackay F, Morand EF. Analysis of serum B cell-activating factor from the tumor necrosis factor family (BAFF) and its soluble receptors in systemic lupus erythematosus. Clin Transl Immunology 2019; 8:e01047. [PMID: 31024730 PMCID: PMC6475618 DOI: 10.1002/cti2.1047] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/01/2019] [Accepted: 04/01/2019] [Indexed: 12/28/2022] Open
Abstract
Objectives To determine the presence and clinical associations of the soluble receptors of B cell-activating factor from the tumor necrosis factor family (BAFF) in serum of patients with systemic lupus erythematosus (SLE). Methods Serum BAFF and soluble BAFF receptor (sBAFF-R) were quantified using ELISA, and soluble B cell maturation antigen (sBCMA) and transmembrane activator and cyclophilin ligand interactor (sTACI) by Luminex, in 87 SLE patients and 17 healthy controls (HC). Disease activity and organ damage were assessed using SLE Disease Activity Index 2000 (SLEDAI-2K) and Systemic Lupus International Collaborating Clinics (SLICC) SLE Damage Index (SDI), respectively. Results BAFF and all receptors were detectable in all serum samples. Serum sBCMA and sTACI, but not sBAFF-R, were significantly higher in SLE than in HC. Serum BAFF was also increased in SLE, but this association was attenuated after adjusting for age and ethnicity. Increased serum BAFF was associated with flare and organ damage. Increased serum sBCMA was associated with the presence of anti-dsDNA, but not with overall or organ-specific disease activity, flare or organ damage. Neither sTACI nor sBAFF-R was associated with any SLE clinical parameters in multivariable analysis. While serum BAFF correlated negatively with sBAFF-R in HC, no statistically significant correlations were observed between BAFF and its receptors in SLE patients. Conclusion Serum BAFF was associated with flare and organ damage independent of the presence of its soluble receptors. While sBCMA was associated with anti-dsDNA positivity, other soluble BAFF receptors were not associated with SLE clinical indicators.
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Affiliation(s)
- Fabien B Vincent
- Rheumatology Research Group Centre for Inflammatory Diseases School of Clinical Sciences at Monash Health Monash University Clayton VIC Australia
| | - Rangi Kandane-Rathnayake
- Rheumatology Research Group Centre for Inflammatory Diseases School of Clinical Sciences at Monash Health Monash University Clayton VIC Australia
| | - Rachel Koelmeyer
- Rheumatology Research Group Centre for Inflammatory Diseases School of Clinical Sciences at Monash Health Monash University Clayton VIC Australia
| | - Alberta Y Hoi
- Rheumatology Research Group Centre for Inflammatory Diseases School of Clinical Sciences at Monash Health Monash University Clayton VIC Australia
| | - James Harris
- Rheumatology Research Group Centre for Inflammatory Diseases School of Clinical Sciences at Monash Health Monash University Clayton VIC Australia
| | - Fabienne Mackay
- Department of Immunology and Pathology Central Clinical School Alfred Medical Research and Education Precinct (AMREP) Monash University Melbourne VIC Australia.,Department of Microbiology and Immunology School of Biomedical Sciences Faculty of Medicine, Dentistry and Health Sciences The University of Melbourne Melbourne VIC Australia
| | - Eric F Morand
- Rheumatology Research Group Centre for Inflammatory Diseases School of Clinical Sciences at Monash Health Monash University Clayton VIC Australia
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Lai JH, Ling XC, Ho LJ. Useful message in choosing optimal biological agents for patients with autoimmune arthritis. Biochem Pharmacol 2019; 165:99-111. [PMID: 30876919 DOI: 10.1016/j.bcp.2019.03.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 03/07/2019] [Indexed: 02/07/2023]
Abstract
The introduction of biological disease-modifying antirheumatic drug (bDMARD) treatments for various types of autoimmune arthritis, such as rheumatoid arthritis, psoriatic arthropathy and ankylosing spondylitis, represents a new era of treatment for patients with a refractory response to conventional synthetic DMARDs (csDMARDs). Many new bDMARDs with different modalities or that target different pro-inflammatory molecules, likely cytokines, are rapidly emerging. Hence, physicians in the field may be confused about choosing appropriate bDMARDs for their patients. Considering the high cost of bDMARDs and the rapid destructive process of autoimmune arthritis in patients, the choice of optimal bDMARDs for patients who fail to respond or show an inadequate therapeutic response to csDMARDs designed to control the disease is very critical. Here, we summarize the strengths and weaknesses of bDMARDs and specifically focus on their uses in patients with comorbid conditions or with specific medical conditions, such as pregnancy. This commentary provides a solid up-to-date review on commercially available bDMARDs and very useful information for physicians to facilitate the choice of more appropriate bDMARDs to treat patients with autoimmune arthritis and for basic researchers to understand the current strategies of bDMARD usage and hopefully to develop more powerful bDMARDs with fewer safety concerns.
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Affiliation(s)
- Jenn-Haung Lai
- Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Chang Gung Memorial Hospital, Chang Gung University, Tao-Yuan, Taiwan, ROC; Graduate Institute of Medical Science, National Defense Medical Center, Taipei, Taiwan, ROC.
| | - Xiao Chun Ling
- Department of Ophthalmology, Chang Gung Memorial Hospital, Chang Gung University, Tao-Yuan, Taiwan, ROC
| | - Ling-Jun Ho
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC.
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