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Qu C, Shao X, Jia R, Song G, Shi D, Wang H, Wang J, An H. Hypoxia Reversion and STING Pathway Activation through Large Mesoporous Nanozyme for Near-Infrared-II Light Amplified Tumor Polymetallic-Immunotherapy. ACS NANO 2024; 18:22153-22171. [PMID: 39118372 DOI: 10.1021/acsnano.4c05483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
cGAS/STING pathway, which is highly related to tumor hypoxia, is considered as a potential target for remodeling the immunosuppressive microenvironment of solid tumors. Metal ions, such as Mn2+, activate the cGAS/STING pathway, but their efficacy in cancer therapy is limited by insufficient effect on immunogenic tumor cell death of a single ion. Here, we evaluate the association between tumor hypoxia and cGAS/STING inhibition and report a polymetallic-immunotherapy strategy based on large mesoporous trimetal-based nanozyme (AuPdRh) coordinated with Mn2+ (Mn2+@AuPdRh) to activate cGAS/STING signaling for robust adaptive antitumor immunity. Specifically, the inherent CAT-like activity of this polymetallic Mn2+@AuPdRh nanozyme decomposes the endogenous H2O2 into O2 to relieve tumor hypoxia induced suppression of cGAS/STING signaling. Moreover, the Mn2+@AuPdRh nanozyme displays a potent near-infrared-II photothermal effect and strong POD-mimic activity; and the generated hyperthermia and •OH radicals synergistically trigger immunogenic cell death in tumors, releasing abundant dsDNA, while the delivered Mn2+ augments the sensitivity of cGAS to dsDNA and activates the cGAS-STING pathway, thereby triggering downstream immunostimulatory signals to kill primary and distant metastatic tumors. Our study demonstrates the potential of metal-based nanozyme for STING-mediated tumor polymetallic-immunotherapy and may inspire the development of more effective strategies for cancer immunotherapy.
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Affiliation(s)
- Chang Qu
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
- State Key Laboratory of Reliability and Intelligence of Electrical Equipment, School of Electrical Engineering, Hebei University of Technology, 300130, Tianjin, People's Republic of China
| | - Xinyue Shao
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
| | - Ran Jia
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, 300401, Tianjin, People's Republic of China
| | - Guoqiang Song
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
| | - Donghong Shi
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
| | - Hui Wang
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
| | - Jinping Wang
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
| | - Hailong An
- Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Health Sciences and Biomedical Engineering, Hebei University of Technology, 300401, Tianjin, People's Republic of China
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Chen M, Zhang Y, Shi W, Song X, Yang Y, Hou G, Ding H, Chen S, Yang W, Shen N, Cui Y, Zuo X, Tang Y. SPATS2L is a positive feedback regulator of the type I interferon signaling pathway and plays a vital role in lupus. Acta Biochim Biophys Sin (Shanghai) 2024. [PMID: 39099414 DOI: 10.3724/abbs.2024132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2024] Open
Abstract
Through genome-wide association studies (GWAS) and integrated expression quantitative trait locus (eQTL) analyses, numerous susceptibility genes ("eGenes", whose expressions are significantly associated with common variants) associated with systemic lupus erythematosus (SLE) have been identified. Notably, a subset of these eGenes is correlated with disease activity. However, the precise mechanisms through which these genes contribute to the initiation and progression of the disease remain to be fully elucidated. In this investigation, we initially identify SPATS2L as an SLE eGene correlated with disease activity. eSignaling and transcriptomic analyses suggest its involvement in the type I interferon (IFN) pathway. We observe a significant increase in SPATS2L expression following type I IFN stimulation, and the expression levels are dependent on both the concentration and duration of stimulation. Furthermore, through dual-luciferase reporter assays, western blot analysis, and imaging flow cytometry, we confirm that SPATS2L positively modulates the type I IFN pathway, acting as a positive feedback regulator. Notably, siRNA-mediated intervention targeting SPATS2L, an interferon-inducible gene, in peripheral blood mononuclear cells (PBMCs) from patients with SLE reverses the activation of the interferon pathway. In conclusion, our research highlights the pivotal role of SPATS2L as a positive-feedback regulatory molecule within the type I IFN pathway. Our findings suggest that SPATS2L plays a critical role in the onset and progression of SLE and may serve as a promising target for disease activity assessment and intervention strategies.
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Affiliation(s)
- Mengke Chen
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
| | - Yutong Zhang
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
| | - Weiwen Shi
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
| | - Xuejiao Song
- Department of Dermatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Yue Yang
- Department of Dermatology, China-Japan Friendship Hospital, Beijing 100029, China
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing 100029, China
| | - Guojun Hou
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
| | - Huihua Ding
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
| | - Sheng Chen
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
| | - Wanling Yang
- Department of Paediatrics and Adolescent Medicine, The University of Hong Kong, Hong Kong 999077, China
| | - Nan Shen
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200032, China
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati OH 45229, USA
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati OH 45229, USA
| | - Yong Cui
- Department of Dermatology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Xianbo Zuo
- Department of Dermatology, China-Japan Friendship Hospital, Beijing 100029, China
- Department of Pharmacy, China-Japan Friendship Hospital, Beijing 100029, China
| | - Yuanjia Tang
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai 200001, China
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Cruciani C, Gatto M, Iaccarino L, Doria A, Zen M. Monoclonal antibodies targeting interleukins for systemic lupus erythematosus: updates in early clinical drug development. Expert Opin Investig Drugs 2024; 33:801-814. [PMID: 38958085 DOI: 10.1080/13543784.2024.2376566] [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: 01/21/2024] [Accepted: 07/02/2024] [Indexed: 07/04/2024]
Abstract
INTRODUCTION The advent of biological therapies has already revolutionized treatment strategies and disease course of several rheumatologic conditions, and monoclonal antibodies (mAbs) targeting cytokines and interleukins represent a considerable portion of this family of drugs. In systemic lupus erythematosus (SLE) dysregulation of different cytokine and interleukin-related pathways have been linked to disease development and perpetration, offering palatable therapeutic targets addressable via such mAbs. AREAS COVERED In this review, we provide an overview of the different biological therapies under development targeting cytokines and interleukins, with a focus on mAbs, while providing the rationale behind their choice as therapeutic targets and analyzing the scientific evidence linking them to SLE pathogenesis. EXPERT OPINION An unprecedented number of clinical trials on biological drugs targeting different immunological pathways are ongoing in SLE. Their success might allow us to tackle present challenges of SLE management, including the overuse of glucocorticoids in daily clinical practice, as well as SLE heterogenicity in treatment response among different individuals, hopefully paving the way toward precision medicine.
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Affiliation(s)
- Claudio Cruciani
- Rheumatology Unit, Department of Medicine, University of Padua, Padova, Italy
| | - Mariele Gatto
- Rheumatology Unit, Department of Clinical and Biological Sciences, University of Turin and Turin Mauriziano Hospital, Turin, Italy
| | - Luca Iaccarino
- Rheumatology Unit, Department of Medicine, University of Padua, Padova, Italy
| | - Andrea Doria
- Rheumatology Unit, Department of Medicine, University of Padua, Padova, Italy
| | - Margherita Zen
- Rheumatology Unit, Department of Medicine, University of Padua, Padova, Italy
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Zhao Y, Tan M, Yin Y, Zhang J, Song Y, Li H, Yan L, Jin Y, Wu Z, Yang T, Jiang T, Li H. Comprehensive macro and micro views on immune cells in ischemic heart disease. Cell Prolif 2024:e13725. [PMID: 39087342 DOI: 10.1111/cpr.13725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 06/25/2024] [Accepted: 07/18/2024] [Indexed: 08/02/2024] Open
Abstract
Ischemic heart disease (IHD) is a prevalent cardiovascular condition that remains the primary cause of death due to its adverse ventricular remodelling and pathological changes in end-stage heart failure. As a complex pathologic condition, it involves intricate regulatory processes at the cellular and molecular levels. The immune system and cardiovascular system are closely interconnected, with immune cells playing a crucial role in maintaining cardiac health and influencing disease progression. Consequently, alterations in the cardiac microenvironment are influenced and controlled by various immune cells, such as macrophages, neutrophils, dendritic cells, eosinophils, and T-lymphocytes, along with the cytokines they produce. Furthermore, studies have revealed that Gata6+ pericardial cavity macrophages play a key role in regulating immune cell migration and subsequent myocardial tissue repair post IHD onset. This review outlines the role of immune cells in orchestrating inflammatory responses and facilitating myocardial repair following IHD, considering both macro and micro views. It also discusses innovative immune cell-based therapeutic strategies, offering new insights for further research on the pathophysiology of ischemic heart disease and immune cell-targeted therapy for IHD.
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Affiliation(s)
- Yongjian Zhao
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Mingyue Tan
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Department of Geriatrics, Southwest Hospital, The Third Military Medical University (Army Medical University), Chongqing, China
| | - Yunfei Yin
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Jun Zhang
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yiyi Song
- Suzhou Medical College of Soochow University, Jiangsu, China
| | - Hang Li
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Lin Yan
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Yifeng Jin
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Ziyue Wu
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Tianke Yang
- Department of Ophthalmology, The First Affiliated Hospital of USTC, University of Science and Technology of China, Hefei, China
| | - Tingbo Jiang
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Hongxia Li
- Department of Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Bulusu SN, Mariaselvam CM, Shah S, Kommoju V, Kavadichanda C, Harichandrakumar KT, Thabah M, Negi VS. Type I interferon gene expression signature as a marker to predict response to cyclophosphamide based treatment in proliferative lupus nephritis. Lupus 2024:9612033241266779. [PMID: 39033304 DOI: 10.1177/09612033241266779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
OBJECTIVES To assess the longitudinal effect of cyclophosphamide (CYC) treatment on type-I interferon (IFN) signature in proliferative lupus nephritis (LN) and its role in predicting treatment response. METHODS Fifty-four biopsy proven proliferative LN patients scheduled to receive high-dose (HD) or low-dose (LD) CYC were recruited and followed up for six months. At six months, patients were classified as clinical responders (CR) or non-responders (NR) to treatment, using the EULAR/EDTA criteria. An IFN-gene based score (IGS) was developed from the mean log-transformed gene expression of MX1, OAS1, IFIT1, OASL, IFIT4, LY6E, IRF7 at baseline, three and six months. Longitudinal changes of IGS within and between groups were assessed and ΔIGS, which is the difference in IGS between baseline and three months was calculated. Independent predictors of non-response were identified and an ROC analysis was performed to evaluate their utility to predict NR. RESULTS There was a dynamic change in IGS within the HD, LD, CR, and NR groups. Compared to baseline, there was a significant decrease in IGS at three months in HD and LD groups (HD group: 2.01 to 1.14, p = .001; LD group = 2.01 to 0.81, p < .001), followed by a significant increase from three to six months in LD group (LD: 0.81 to 1.51, p = .03; HD: 1.14 to 1.54, p = .300). A decrease in IGS from baseline to three months was seen in both CR (2.13 to 0.79, p < .001) and NR groups (1.83 to 1.27, p = .046), and a significant increase from three to six months was observed only in the CR group (CR: 0.79 to 1.57, p = .006; NR: 1.27 to 1.46, p = 1). ΔIGS (baseline to three months) was higher in CR compared to NR group (-1.339 vs -0.563, p = .017). ROC analysis showed that the model comprising of 0.81 fold decrease in IGS from baseline to three months, endocapillary hypercellularity and interstitial inflammation on renal histopathology predicted non-response with a sensitivity of 83.3% and specificity of 71.4%. CONCLUSION In proliferative LN, treated with HD or LD-CYC, combined model comprising of decrease in IGS score by 0.81 fold from baseline to three months, along with important histopathological features such as endocapillary hypercellularity and interstitial inflammation had better predictive capability for non-response.
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Affiliation(s)
- Sree Nethra Bulusu
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Christina Mary Mariaselvam
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Sanket Shah
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Vallayyachari Kommoju
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Chengappa Kavadichanda
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | | | - Molly Thabah
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
| | - Vir Singh Negi
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Puducherry, India
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Yasmeen F, Pirzada RH, Ahmad B, Choi B, Choi S. Understanding Autoimmunity: Mechanisms, Predisposing Factors, and Cytokine Therapies. Int J Mol Sci 2024; 25:7666. [PMID: 39062908 PMCID: PMC11277571 DOI: 10.3390/ijms25147666] [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: 06/27/2024] [Revised: 07/05/2024] [Accepted: 07/06/2024] [Indexed: 07/28/2024] Open
Abstract
Autoimmunity refers to an organism's immune response against its own healthy cells, tissues, or components, potentially leading to irreversible damage to vital organs. Central and peripheral tolerance mechanisms play crucial roles in preventing autoimmunity by eliminating self-reactive T and B cells. The disruption of immunological tolerance, characterized by the failure of these mechanisms, results in the aberrant activation of autoreactive lymphocytes that target self-tissues, culminating in the pathogenesis of autoimmune disorders. Genetic predispositions, environmental exposures, and immunoregulatory disturbances synergistically contribute to the susceptibility and initiation of autoimmune pathologies. Within the realm of immune therapies for autoimmune diseases, cytokine therapies have emerged as a specialized strategy, targeting cytokine-mediated regulatory pathways to rectify immunological imbalances. Proinflammatory cytokines are key players in inducing and propagating autoimmune inflammation, highlighting the potential of cytokine therapies in managing autoimmune conditions. This review discusses the etiology of autoimmune diseases, current therapeutic approaches, and prospects for future drug design.
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Affiliation(s)
- Farzana Yasmeen
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
| | - Rameez Hassan Pirzada
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
| | - Bilal Ahmad
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
| | - Bogeum Choi
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
| | - Sangdun Choi
- Department of Molecular Science and Technology, Ajou University, Suwon 16499, Republic of Korea; (F.Y.); (B.C.)
- S&K Therapeutics, Ajou University Campus Plaza 418, Worldcup-ro 199, Yeongtong-gu, Suwon 16502, Republic of Korea
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Feng W, Qiao J, Tan Y, Liu Q, Wang Q, Yang B, Yang S, Cui L. Interaction of antiphospholipid antibodies with endothelial cells in antiphospholipid syndrome. Front Immunol 2024; 15:1361519. [PMID: 39044818 PMCID: PMC11263079 DOI: 10.3389/fimmu.2024.1361519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Accepted: 06/19/2024] [Indexed: 07/25/2024] Open
Abstract
Antiphospholipid syndrome (APS) is an autoimmune disease with arteriovenous thrombosis and recurrent miscarriages as the main clinical manifestations. Due to the complexity of its mechanisms and the diversity of its manifestations, its diagnosis and treatment remain challenging issues. Antiphospholipid antibodies (aPL) not only serve as crucial "biomarkers" in diagnosing APS but also act as the "culprits" of the disease. Endothelial cells (ECs), as one of the core target cells of aPL, bridge the gap between the molecular level of these antibodies and the tissue and organ level of pathological changes. A more in-depth exploration of the relationship between ECs and the pathogenesis of APS holds the potential for significant advancements in the precise diagnosis, classification, and therapy of APS. Many researchers have highlighted the vital involvement of ECs in APS and the underlying mechanisms governing their functionality. Through extensive in vitro and in vivo experiments, they have identified multiple aPL receptors on the EC membrane and various intracellular pathways. This article furnishes a comprehensive overview and summary of these receptors and signaling pathways, offering prospective targets for APS therapy.
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Affiliation(s)
- Weimin Feng
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
- Institute of Medical Technology, Health Science Centre, Peking University, Beijing, China
| | - Jiao Qiao
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
- Institute of Medical Technology, Health Science Centre, Peking University, Beijing, China
| | - Yuan Tan
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
- Institute of Medical Technology, Health Science Centre, Peking University, Beijing, China
| | - Qi Liu
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
- Institute of Medical Technology, Health Science Centre, Peking University, Beijing, China
| | - Qingchen Wang
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
| | - Boxin Yang
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
| | - Shuo Yang
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
| | - Liyan Cui
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, China
- Institute of Medical Technology, Health Science Centre, Peking University, Beijing, China
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Zhou Y, Song HM. Type I interferon pathway in pediatric systemic lupus erythematosus. World J Pediatr 2024; 20:653-668. [PMID: 38914753 PMCID: PMC11269505 DOI: 10.1007/s12519-024-00811-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 03/27/2024] [Indexed: 06/26/2024]
Abstract
BACKGROUND The role of type I interferon (IFN-I) signaling in systemic lupus erythematosus (SLE) has been well established. However, unanswered questions remain regarding the applicability of these findings to pediatric-onset SLE. The aim of this review is to provide an overview of the novel discoveries on IFN-I signaling in pediatric-onset SLE. DATA SOURCES A literature search was conducted in the PubMed database using the following keywords: "pediatric systemic lupus erythematosus" and "type I interferon". RESULTS IFN-I signaling is increased in pediatric SLE, largely due to the presence of plasmacytoid dendritic cells and pathways such as cyclic GMP-AMP synthase-stimulator of interferon genes-TANK-binding kinase 1 and Toll-like receptor (TLR)4/TLR9. Neutrophil extracellular traps and oxidative DNA damage further stimulate IFN-I production. Genetic variants in IFN-I-related genes, such as IFN-regulatory factor 5 and tyrosine kinase 2, are linked to SLE susceptibility in pediatric patients. In addition, type I interferonopathies, characterized by sustained IFN-I activation, can mimic SLE symptoms and are thus important to distinguish. Studies on interferonopathies also contribute to exploring the pathogenesis of SLE. Measuring IFN-I activation is crucial for SLE diagnosis and stratification. Both IFN-stimulated gene expression and serum IFN-α2 levels are common indicators. Flow cytometry markers such as CD169 and galectin-9 are promising alternatives. Anti-IFN therapies, such as sifalimumab and anifrolumab, show promise in adult patients with SLE, but their efficacy in pediatric patients requires further investigation. Janus kinase inhibitors are another treatment option for severe pediatric SLE patients. CONCLUSIONS This review presents an overview of the IFN-I pathway in pediatric SLE. Understanding the intricate relationship between IFN-I and pediatric SLE may help to identify potential diagnostic markers and targeted therapies, paving the way for improved patient care and outcomes.
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Affiliation(s)
- Yu Zhou
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing, China
| | - Hong-Mei Song
- Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China.
- State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Beijing, China.
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Saito T, Takatsuji R, Murayama G, Yamaji Y, Hagiwara Y, Nishioka Y, Kuga T, Miyashita T, Kusaoi M, Tamura N, Yamaji K. Double-filtration plasmapheresis reduces type I interferon bioavailability and inducing activity in systemic lupus erythematosus. Immunol Med 2024:1-11. [PMID: 38952099 DOI: 10.1080/25785826.2024.2372918] [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: 04/22/2024] [Accepted: 06/23/2024] [Indexed: 07/03/2024] Open
Abstract
Type I interferons (IFN-Is) play a significant role in systemic lupus erythematosus (SLE) pathogenesis. Double-filtration plasmapheresis (DFPP) is a treatment option for SLE; however, its effect on IFN-Is remains unclear. Therefore, we investigated the effects of DFPP on IFN-Is. Plasma from patients with SLE (n = 11) who regularly underwent DFPP was analysed using a cell-based reporter system to detect the bioavailability and inducing activity of IFN-I. The concentration of plasma dsDNA was measured, and western blotting analysis was used to assess the phosphorylation of the STING pathway. A higher IFN-I bioavailability and inducing activity were observed in patients compared to healthy controls, and both parameters decreased after DFPP. The reduction in IFN-I-inducing activity was particularly prominent in patients with high disease activity. Notably, this reduction was not observed in STING-knockout reporter cells. Additionally, plasma dsDNA levels decreased after DFPP treatment, suggesting that inhibition of the STING pathway was responsible for the observed decrease in activity. Western blotting analysis revealed suppression of STING pathway phosphorylation after DFPP. DFPP reduced IFN-I bioavailability and the inducing activity of plasma. This reduction is likely attributable to the inhibition of the STING pathway through the elimination of dsDNA.
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Affiliation(s)
- Takumi Saito
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
- Course of Apheresis Therapeutic Technology and Life Science, Juntendo University School of Medicine, Tokyo, Japan
| | - Ryo Takatsuji
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
- Course of Apheresis Therapeutic Technology and Life Science, Juntendo University School of Medicine, Tokyo, Japan
| | - Goh Murayama
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
- Course of Apheresis Therapeutic Technology and Life Science, Juntendo University School of Medicine, Tokyo, Japan
| | - Yu Yamaji
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
| | - Yukitomo Hagiwara
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
| | - Yujin Nishioka
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
| | - Taiga Kuga
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
| | - Tomoko Miyashita
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
| | - Makio Kusaoi
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
- Course of Apheresis Therapeutic Technology and Life Science, Juntendo University School of Medicine, Tokyo, Japan
| | - Naoto Tamura
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
| | - Ken Yamaji
- Department of Internal Medicine and Rheumatology, Juntendo University School of Medicine, Tokyo, Japan
- Course of Apheresis Therapeutic Technology and Life Science, Juntendo University School of Medicine, Tokyo, Japan
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Chen S, Ye J, Lin Y, Chen W, Huang S, Yang Q, Qian H, Gao S, Hua C. Crucial Roles of RSAD2/viperin in Immunomodulation, Mitochondrial Metabolism and Autoimmune Diseases. Inflammation 2024:10.1007/s10753-024-02076-5. [PMID: 38909344 DOI: 10.1007/s10753-024-02076-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/22/2024] [Accepted: 06/03/2024] [Indexed: 06/24/2024]
Abstract
Autoimmune diseases are typically characterized by aberrant activation of immune system that leads to excessive inflammatory reactions and tissue damage. Nevertheless, precise targeted and efficient therapies are limited. Thus, studies into novel therapeutic targets for the management of autoimmune diseases are urgently needed. Radical S-adenosyl methionine domain-containing 2 (RSAD2) is an interferon-stimulated gene (ISG) renowned for the antiviral properties of the protein it encodes, named viperin. An increasing number of studies have underscored the new roles of RSAD2/viperin in immunomodulation and mitochondrial metabolism. Previous studies have shown that there is a complex interplay between RSAD2/vipeirn and mitochondria and that binding of the iron-sulfur (Fe-S) cluster is necessary for the involvement of viperin in mitochondrial metabolism. Viperin influences the proliferation and development of immune cells as well as inflammation via different signaling pathways. However, the function of RSAD2/viperin varies in different studies and a comprehensive overview of this emerging theme is lacking. This review will describe the characteristics of RSAD2/viperin, decipher its function in immunometabolic processes, and clarify the crosstalk between RSAD2/viperin and mitochondria. Furthermore, we emphasize the crucial roles of RSAD2 in autoimmune diseases and its potential application value.
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Affiliation(s)
- Siyan Chen
- School of Ophthalmology and Optometry, School of Biomedical Engineering, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Jiani Ye
- School of the 2nd Clinical Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Yinfang Lin
- School of the 1st Clinical Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Wenxiu Chen
- School of the 1st Clinical Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Shenghao Huang
- School of the 2nd Clinical Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Qianru Yang
- School of the 1st Clinical Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Hengrong Qian
- School of the 2nd Clinical Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Sheng Gao
- Laboratory Animal Center, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China.
| | - Chunyan Hua
- School of Basic Medical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China.
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11
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Jones SA, Morand EF. Targeting Interferon Signalling in Systemic Lupus Erythematosus: Lessons Learned. Drugs 2024; 84:625-635. [PMID: 38807010 PMCID: PMC11196297 DOI: 10.1007/s40265-024-02043-2] [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] [Accepted: 04/30/2024] [Indexed: 05/30/2024]
Abstract
The development of new medicines for systemic lupus erythematosus (SLE) has not addressed unmet clinical need, with only three drugs receiving regulatory approval for SLE in the last 60 years, one of which was specifically licensed for lupus nephritis. In the last 20 years it has become clear that activation of type 1 interferons (IFN) is reproducibly detected in the majority of SLE patients, and the actions of IFN in the immune system and on target tissues is consistent with a pathogenic role in SLE. These findings led to considerable drug discovery activity, first with agents directly targeting IFN family cytokines, with results that were encouraging but underwhelming. In contrast, targeting the type I IFN receptor with the monoclonal antibody anifrolumab, thereby blocking all IFN family members, was effective in a phase II clinical trial. This led to a pair of phase III trials, one of which was negative and the other positive, reflecting the difficulty of obtaining outcomes from trials in this complex disease. Nonetheless, the balance of evidence resulted in approval of anifrolumab in multiple jurisdictions from 2021 onwards. Multiple approaches to targeting the type 1 IFN pathway have subsequently had positive phase II clinical trials, including antibodies targeting cells that produce IFN, and small molecules targeting the receptor kinase TYK2, required for IFN signalling. Despite multiple hurdles, it is clear that IFN targeting in SLE is here to stay. The story of IFN-targeting therapy in SLE has lessons for drug development overall in this disease.
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Affiliation(s)
- Sarah A Jones
- Centre for Inflammatory Disease, Monash University, Clayton, Australia
| | - Eric F Morand
- Centre for Inflammatory Disease, Monash University, Clayton, Australia.
- Department of Rheumatology, Monash Health, Melbourne, Australia.
- Monash Medical Centre, 246 Clayton Rd, Clayton, VIC, 3168, Australia.
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12
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Díaz-Planellas S, Katsifis-Nezis D, Fanouriakis A. Clinical Trials of Interferon Inhibitors in Systemic Lupus Erythematosus and Preliminary Real-World Efficacy of Anifrolumab. Mediterr J Rheumatol 2024; 35:381-391. [PMID: 39193184 PMCID: PMC11345606 DOI: 10.31138/mjr.260624.cto] [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: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 08/29/2024] Open
Abstract
Approval of anifrolumab for the treatment of moderate-to-severe systemic lupus erythematosus (SLE) in 2021 marked the success of a long quest to target the interferon system, in a disease wherein the latter has long been considered to play a pivotal role. Prior to anifrolumab, a number of agents had been tested in early phase clinical trials in patients with SLE, with equivocal results. Following its approval and marketing in several countries, the first reports regarding efficacy and safety in real-life clinical settings have been published, which suggest remarkable efficacy in skin manifestations of the disease, even after prior failure to multiple immunosuppressive therapies. In this report, we provide a short overview of IFN inhibitors that have been used in clinical trials of SLE, with a focus on anifrolumab; we also review all available evidence to date regarding its real-world efficacy and safety.
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Affiliation(s)
- Samuel Díaz-Planellas
- Internal Medicine Department. “Gregorio Marañón” General University Hospital, Complutense University of Madrid, Madrid, Spain
| | - Dimitrios Katsifis-Nezis
- Rheumatology Unit, Fourth Department of Propaedeutic Internal Medicine, National and Kapodistrian University of Athens, “Attikon” University Hospital, Athens, Greece
| | - Antonis Fanouriakis
- Rheumatology Unit, Fourth Department of Propaedeutic Internal Medicine, National and Kapodistrian University of Athens, “Attikon” University Hospital, Athens, Greece
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13
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Deligeorgakis D, Skouvaklidou E, Adamichou C. Interferon Inhibition in SLE: From Bench to Bedside. Mediterr J Rheumatol 2024; 35:354-364. [PMID: 39193183 PMCID: PMC11345605 DOI: 10.31138/mjr.010324.iis] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/15/2024] [Accepted: 05/15/2024] [Indexed: 08/29/2024] Open
Abstract
Despite advances in the management of systemic lupus erythematosus (SLE), it remains a chronic disease with frequent flares, requiring constant medical care, laboratory exams, hospitalisations, and the use of immunosuppressive drugs and corticosteroids, increasing the morbidity and mortality of these patients. The past decade of research has brought to light multiple observations on the role of interferons (IFNs) in the pathogenesis of SLE, which paved the way for the development of potential novel therapies targeting the interferon pathway. Following two phase III trials, anifrolumab, a monoclonal antibody which binds to the type I IFN receptor, blocking the activity of type I IFNs, was approved for active SLE. This review summarises the latest research on the role and mechanisms of type I IFNs in SLE and the development and advances on new therapeutic drugs based on IFN inhibition for SLE.
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Affiliation(s)
- Dimitrios Deligeorgakis
- Department of Rheumatology, 4th Department of Internal Medicine, Hippokration Hospital, Thessaloniki, Greece
| | - Elpida Skouvaklidou
- Department of Rheumatology, 4th Department of Internal Medicine, Hippokration Hospital, Thessaloniki, Greece
| | - Christina Adamichou
- Department of Rheumatology, 4th Department of Internal Medicine, Hippokration Hospital, Thessaloniki, Greece
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14
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Drougkas K, Skarlis C, Mavragani C. Type I Interferons in Systemic Autoimmune Rheumatic Diseases: Pathogenesis, Clinical Features and Treatment Options. Mediterr J Rheumatol 2024; 35:365-380. [PMID: 39193187 PMCID: PMC11345602 DOI: 10.31138/mjr.270324.tis] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/27/2024] [Accepted: 05/29/2024] [Indexed: 08/29/2024] Open
Abstract
Type I interferon (IFN) pathway dysregulation plays a crucial role in the pathogenesis of several systemic autoimmune rheumatic diseases (SARDs), including systemic lupus erythematosus (SLE), Sjögren's disease (SjD), systemic sclerosis (SSc), dermatomyositis (DM) and rheumatoid arthritis (RA). Genetic and epigenetic alterations have been involved in dysregulated type I IFN responses in systemic autoimmune disorders. Aberrant type I IFN production and secretion have been associated with distinct clinical phenotypes, disease activity, and severity as well as differentiated treatment responses among SARDs. In this review, we provide an overview of the role of type I IFNs in systemic autoimmune diseases including SLE, RA, SjD, SSc, and DM focusing on pathophysiological, clinical, and therapeutical aspects.
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Affiliation(s)
- Konstantinos Drougkas
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Charalampos Skarlis
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Clio Mavragani
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
- Joint Academic Rheumatology Program, National and Kapodistrian University of Athens, Athens, Greece
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15
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Papachristodoulou E, Kyttaris VC. New and emerging therapies for systemic lupus erythematosus. Clin Immunol 2024; 263:110200. [PMID: 38582250 DOI: 10.1016/j.clim.2024.110200] [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: 02/10/2024] [Revised: 03/23/2024] [Accepted: 04/01/2024] [Indexed: 04/08/2024]
Abstract
Systemic Lupus Erythematosus (SLE) and lupus nephritis treatment is still based on non-specific immune suppression despite the first biological therapy for the disease having been approved more than a decade ago. Intense basic and translational research has uncovered a multitude of pathways that are actively being evaluated as treatment targets in SLE and lupus nephritis, with two new medications receiving FDA approval in the last 3 years. Herein we provide an overview of targeted therapies for SLE including medications targeting the B lymphocyte compartment, intracellular signaling, co-stimulation, and finally the interferons and other cytokines.
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Affiliation(s)
- Eleni Papachristodoulou
- Division of Rheumatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Vasileios C Kyttaris
- Division of Rheumatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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16
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Gómez-Bañuelos E, Goldman DW, Andrade V, Darrah E, Petri M, Andrade F. Uncoupling interferons and the interferon signature explains clinical and transcriptional subsets in SLE. Cell Rep Med 2024; 5:101569. [PMID: 38744279 PMCID: PMC11148857 DOI: 10.1016/j.xcrm.2024.101569] [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: 11/16/2023] [Revised: 02/06/2024] [Accepted: 04/22/2024] [Indexed: 05/16/2024]
Abstract
Systemic lupus erythematosus (SLE) displays a hallmark interferon (IFN) signature. Yet, clinical trials targeting type I IFN (IFN-I) have shown variable efficacy, and blocking IFN-II failed to treat SLE. Here, we show that IFN type levels in SLE vary significantly across clinical and transcriptional endotypes. Whereas skin involvement correlated with IFN-I alone, systemic features like nephritis associated with co-elevation of IFN-I, IFN-II, and IFN-III, indicating additive IFN effects in severe SLE. Notably, while high IFN-II/-III levels without IFN-I had a limited effect on disease activity, IFN-II was linked to IFN-I-independent transcriptional profiles (e.g., OXPHOS and CD8+GZMH+ cells), and IFN-III enhanced IFN-induced gene expression when co-elevated with IFN-I. Moreover, dysregulated IFNs do not explain the IFN signature in 64% of patients or clinical manifestations including cytopenia, serositis, and anti-phospholipid syndrome, implying IFN-independent endotypes in SLE. This study sheds light on mechanisms underlying SLE heterogeneity and the variable response to IFN-targeted therapies in clinical trials.
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Affiliation(s)
| | - Daniel W Goldman
- Division of Rheumatology, The Johns Hopkins School of Medicine, Baltimore, MD 21224
| | - Victoria Andrade
- Division of Rheumatology, The Johns Hopkins School of Medicine, Baltimore, MD 21224
| | - Erika Darrah
- Division of Rheumatology, The Johns Hopkins School of Medicine, Baltimore, MD 21224
| | - Michelle Petri
- Division of Rheumatology, The Johns Hopkins School of Medicine, Baltimore, MD 21224
| | - Felipe Andrade
- Division of Rheumatology, The Johns Hopkins School of Medicine, Baltimore, MD 21224.
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17
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Balogh L, Oláh K, Sánta S, Majerhoffer N, Németh T. Novel and potential future therapeutic options in systemic autoimmune diseases. Front Immunol 2024; 15:1249500. [PMID: 38558805 PMCID: PMC10978744 DOI: 10.3389/fimmu.2024.1249500] [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: 06/28/2023] [Accepted: 01/17/2024] [Indexed: 04/04/2024] Open
Abstract
Autoimmune inflammation is caused by the loss of tolerance to specific self-antigens and can result in organ-specific or systemic disorders. Systemic autoimmune diseases affect a significant portion of the population with an increasing rate of incidence, which means that is essential to have effective therapies to control these chronic disorders. Unfortunately, several patients with systemic autoimmune diseases do not respond at all or just partially respond to available conventional synthetic disease-modifying antirheumatic drugs and targeted therapies. However, during the past few years, some new medications have been approved and can be used in real-life clinical settings. Meanwhile, several new candidates appeared and can offer promising novel treatment options in the future. Here, we summarize the newly available medications and the most encouraging drug candidates in the treatment of systemic lupus erythematosus, rheumatoid arthritis, Sjögren's disease, systemic sclerosis, systemic vasculitis, and autoimmune myositis.
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Affiliation(s)
- Lili Balogh
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
- MTA-SE “Lendület” Translational Rheumatology Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
| | - Katalin Oláh
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
- MTA-SE “Lendület” Translational Rheumatology Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
| | - Soma Sánta
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
- MTA-SE “Lendület” Translational Rheumatology Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
| | - Nóra Majerhoffer
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
- MTA-SE “Lendület” Translational Rheumatology Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
| | - Tamás Németh
- Department of Physiology, Semmelweis University School of Medicine, Budapest, Hungary
- MTA-SE “Lendület” Translational Rheumatology Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary
- Department of Rheumatology and Clinical Immunology, Semmelweis University, Budapest, Hungary
- Department of Internal Medicine and Oncology, Semmelweis University, Budapest, Hungary
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18
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Ruiz-Irastorza G, Tektonidou MG, Khamashta M. Anticoagulant and non-anticoagulant therapy in thrombotic antiphospholipid syndrome: old drugs and new treatment targets. Rheumatology (Oxford) 2024; 63:SI96-SI106. [PMID: 38320592 DOI: 10.1093/rheumatology/kead538] [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: 07/05/2023] [Accepted: 09/21/2023] [Indexed: 02/08/2024] Open
Abstract
In this review, we discuss the current evidence on classic and newer oral anticoagulant therapy, older drugs such as HCQ and statins, and new potential treatment targets in APS. Vitamin K antagonists (VKAs) remain the cornerstone treatment for thrombotic events in APS. In patients fulfilling criteria for definite APS presenting with a first venous thrombosis, treatment with VKAs with a target international normalized ratio (INR) 2.0-3.0 is recommended. In patients with arterial thrombosis, treatment with VKA with target INR 2.0-3.0 or 3.0-4.0 is recommended by recent guidelines, considering the individual's bleeding and thrombosis recurrence risk. A combination of VKAs and low-dose aspirin (75-100 mg/daily) may also be considered. According to available evidence direct oral anticoagulants should be avoided in patients with arterial thrombosis and/or those with triple aPL positivity. Adjunctive treatment with HCQ and/or statins can be considered, especially in anticoagulation treatment-refractory APS. Potential targeted treatments in APS include B-cell targeting, complement inhibition, mammalian target of rapamycin inhibition, IFN targeting, adenosine receptors agonists, CD38 targeting or chimeric antigen receptor T-cell therapy. The safety and efficacy of these treatment targets needs to be examined in well-designed randomized controlled trials.
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Affiliation(s)
- Guillermo Ruiz-Irastorza
- Autoimmune Diseases Research Unit, Biocruces Bizkaia Health Research Institute, The Basque Country, Bizkaia, Spain
- University of The Basque Country, The Basque Country, Bizkaia, Spain
| | - Maria G Tektonidou
- First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Munther Khamashta
- Department of Women & Children's Health, King's College London, London, UK
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19
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Aringer M, Finzel S, Voll RE. [Immunopathogenesis of systemic lupus erythematosus]. Z Rheumatol 2024; 83:68-76. [PMID: 35551439 PMCID: PMC10847069 DOI: 10.1007/s00393-022-01214-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2022] [Indexed: 11/28/2022]
Abstract
Insights into the immunopathogenesis of systemic lupus erythematosus (SLE) help to understand the complex disease patterns and to develop new treatment strategies. The disease manifestations essentially result from autoantibodies, immune complexes and cytokines. Particularly the propensity towards developing various autoantibodies is central to the disease itself; autoantibody specificities lead to highly variable organ manifestations. This review article delineates the clinically relevant state of knowledge on SLE pathogenesis, with the goal to establish a model useful for clinical practice, which also helps to classify the novel therapeutic approaches.
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Affiliation(s)
- Martin Aringer
- Rheumatologie, Medizinische Klinik III und UniversitätsCentrum für Autoimmun- und Rheumatische Erkrankungen (UCARE), Universitätsklinikum und Medizinische Fakultät Carl Gustav Carus, TU Dresden, Fetscherstr. 74, 01307, Dresden, Deutschland.
| | - Stephanie Finzel
- Klinik für Rheumatologie und Klinische Immunologie & Centrum für chronische Immundefizienz, Universitätsklinikum Freiburg, Freiburg, Deutschland
| | - Reinhard E Voll
- Klinik für Rheumatologie und Klinische Immunologie & Centrum für chronische Immundefizienz, Universitätsklinikum Freiburg, Freiburg, Deutschland
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20
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Goteti K, Garcia R, Gillespie WR, French J, Klopp‐Schulze L, Li Y, Mateo CV, Roy S, Guenther O, Benincosa L, Venkatakrishnan K. Model-based meta-analysis using latent variable modeling to set benchmarks for new treatments of systemic lupus erythematosus. CPT Pharmacometrics Syst Pharmacol 2024; 13:281-295. [PMID: 38050332 PMCID: PMC10864929 DOI: 10.1002/psp4.13083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 10/25/2023] [Accepted: 11/02/2023] [Indexed: 12/06/2023] Open
Abstract
Several investigational agents are under evaluation in systemic lupus erythematosus (SLE) clinical trials but quantitative frameworks to enable comparison of their efficacy to reference benchmark treatments are lacking. To benchmark SLE treatment effects and identify clinically important covariates, we developed a model-based meta-analysis (MBMA) within a latent variable model framework for efficacy end points and SLE composite end point scores (BILAG-based Composite Lupus Assessment and Systemic Lupus Erythematosus Responder Index) using aggregate-level data on approved and investigational therapeutics. SLE trials were searched using PubMed and www.clinicaltrials.gov for treatment name, SLE and clinical trial as search criteria that resulted in four data structures: (1) study and investigational agent, (2) dose and regimen, (3) baseline descriptors, and (4) outcomes. The final dataset consisted of 25 studies and 81 treatment arms evaluating 16 different agents. A previously developed (K Goteti et al. 2022) SLE latent variable model of data from placebo arms (placebo + standard of care treatments) was used to describe aggregate SLE end points over time for the various SLE placebo and treatment arms in a Bayesian MBMA framework. Continuous dose-effect relationships using a maximum effect model were included for anifrolumab, belimumab, CC-220 (iberdomide), epratuzumab, lulizumab pegol, and sifalimumab, whereas the remaining treatments were modeled as discrete dose effects. The final MBMA model was then used to benchmark these compounds with respect to the maximal efficacy on the latent variable compared to the placebo. This MBMA illustrates the application of latent variable models in understanding the trajectories of composite end points in chronic diseases and should enable model-informed development of new investigational agents in SLE.
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Affiliation(s)
- Kosalaram Goteti
- EMD Serono Research and Development Institute, Inc.BillericaMassachusettsUSA
| | | | | | | | | | - Ying Li
- EMD Serono Research and Development Institute, Inc.BillericaMassachusettsUSA
- Merck KGaADarmstadtGermany
| | | | | | | | - Lisa Benincosa
- EMD Serono Research and Development Institute, Inc.BillericaMassachusettsUSA
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21
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Federici S, Cinicola BL, La Torre F, Castagnoli R, Lougaris V, Giardino G, Volpi S, Caorsi R, Leonardi L, Corrente S, Soresina A, Cancrini C, Insalaco A, Gattorno M, De Benedetti F, Marseglia GL, Del Giudice MM, Cardinale F. Vasculitis and vasculopathy associated with inborn errors of immunity: an overview. Front Pediatr 2024; 11:1258301. [PMID: 38357265 PMCID: PMC10866297 DOI: 10.3389/fped.2023.1258301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/29/2023] [Indexed: 02/16/2024] Open
Abstract
Systemic autoinflammatory diseases (SAIDs) are disorders of innate immunity, which are characterized by unprovoked recurrent flares of systemic inflammation often characterized by fever associated with clinical manifestations mainly involving the musculoskeletal, mucocutaneous, gastrointestinal, and nervous systems. Several conditions also present with varied, sometimes prominent, involvement of the vascular system, with features of vasculitis characterized by variable target vessel involvement and organ damage. Here, we report a systematic review of vasculitis and vasculopathy associated with inborn errors of immunity.
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Affiliation(s)
- Silvia Federici
- Division of Rheumatology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Bianca Laura Cinicola
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Francesco La Torre
- Department of Pediatrics, Giovanni XXIII Pediatric Hospital, University of Bari, Bari, Italy
| | - Riccardo Castagnoli
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
- Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Vassilios Lougaris
- Department of Clinical and Experimental Sciences, Pediatrics Clinic and Institute for Molecular Medicine A. Nocivelli, University of Brescia and ASST-Spedali Civili di Brescia, Brescia, Italy
| | - Giuliana Giardino
- Pediatric Section, Department of Translational Medical Sciences, Federico II University, Naples, Italy
| | - Stefano Volpi
- Center for Autoinflammatory Diseases and Immunodeficiency, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Roberta Caorsi
- Center for Autoinflammatory Diseases and Immunodeficiency, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Lucia Leonardi
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | | | - Annarosa Soresina
- Unit of Pediatric Immunology, Pediatrics Clinic, University of Brescia, ASST-Spedali Civili Brescia, Brescia, Italy
| | - Caterina Cancrini
- Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
- Academic Department of Pediatrics, Immune and Infectious Diseases Division, Research Unit of Primary Immunodeficiencies, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Antonella Insalaco
- Division of Rheumatology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
| | - Marco Gattorno
- Department of Maternal Infantile and Urological Sciences, Sapienza University of Rome, Rome, Italy
| | | | - Gian Luigi Marseglia
- Pediatric Unit, Department of Clinical, Surgical, Diagnostic, and Pediatric Sciences, University of Pavia, Pavia, Italy
- Pediatric Clinic, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Michele Miraglia Del Giudice
- Department of Woman, Child and of General and Specialized Surgery, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
| | - Fabio Cardinale
- Department of Pediatrics, Giovanni XXIII Pediatric Hospital, University of Bari, Bari, Italy
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22
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Jia X, Lu Y, Zheng X, Tang R, Chen W. Targeted therapies for lupus nephritis: Current perspectives and future directions. Chin Med J (Engl) 2024; 137:34-43. [PMID: 38057972 PMCID: PMC10766263 DOI: 10.1097/cm9.0000000000002959] [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: 05/29/2023] [Indexed: 12/08/2023] Open
Abstract
ABSTRACT Lupus nephritis (LN), a severe manifestation of systemic lupus erythematosus, poses a substantial risk of progression to end-stage renal disease, with increased mortality. Conventional therapy for LN relies on broad-spectrum immunosuppressants such as glucocorticoids, mycophenolate mofetil, and calcineurin inhibitors. Although therapeutic regimens have evolved over the years, they have inherent limitations, including non-specific targeting, substantial adverse effects, high relapse rates, and prolonged maintenance and remission courses. These drawbacks underscore the need for targeted therapeutic strategies for LN. Recent advancements in our understanding of LN pathogenesis have led to the identification of novel therapeutic targets and the emergence of biological agents and small-molecule inhibitors with improved specificity and reduced toxicity. This review provides an overview of the current evidence on targeted therapies for LN, elucidates the biological mechanisms of responses and failure, highlights the challenges ahead, and outlines strategies for subsequent clinical trials and integrated immunomodulatory approaches.
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Affiliation(s)
- Xiuzhi Jia
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University), and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, Guangdong 510080, China
| | - Yuewen Lu
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University), and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, Guangdong 510080, China
| | - Xunhua Zheng
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University), and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, Guangdong 510080, China
| | - Ruihan Tang
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University), and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, Guangdong 510080, China
| | - Wei Chen
- Department of Nephrology, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong 510080, China
- NHC Key Laboratory of Clinical Nephrology (Sun Yat-Sen University), and Guangdong Provincial Key Laboratory of Nephrology, Guangzhou, Guangdong 510080, China
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Pandey SP, Bhaskar R, Han SS, Narayanan KB. Autoimmune Responses and Therapeutic Interventions for Systemic Lupus Erythematosus: A Comprehensive Review. Endocr Metab Immune Disord Drug Targets 2024; 24:499-518. [PMID: 37718519 DOI: 10.2174/1871530323666230915112642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 06/05/2023] [Accepted: 07/22/2023] [Indexed: 09/19/2023]
Abstract
Systemic Lupus Erythematosus (SLE) or Lupus is a multifactorial autoimmune disease of multiorgan malfunctioning of extremely heterogeneous and unclear etiology that affects multiple organs and physiological systems. Some racial groups and women of childbearing age are more susceptible to SLE pathogenesis. Impressive progress has been made towards a better understanding of different immune components contributing to SLE pathogenesis. Recent investigations have uncovered the detailed mechanisms of inflammatory responses and organ damage. Various environmental factors, pathogens, and toxicants, including ultraviolet light, drugs, viral pathogens, gut microbiome metabolites, and sex hormones trigger the onset of SLE pathogenesis in genetically susceptible individuals and result in the disruption of immune homeostasis of cytokines, macrophages, T cells, and B cells. Diagnosis and clinical investigations of SLE remain challenging due to its clinical heterogeneity and hitherto only a few approved antimalarials, glucocorticoids, immunosuppressants, and some nonsteroidal anti-inflammatory drugs (NSAIDs) are available for treatment. However, the adverse effects of renal and neuropsychiatric lupus and late diagnosis make therapy challenging. Additionally, SLE is also linked to an increased risk of cardiovascular diseases due to inflammatory responses and the risk of infection from immunosuppressive treatment. Due to the diversity of symptoms and treatment-resistant diseases, SLE management remains a challenging issue. Nevertheless, the use of next-generation therapeutics with stem cell and gene therapy may bring better outcomes to SLE treatment in the future. This review highlights the autoimmune responses as well as potential therapeutic interventions for SLE particularly focusing on the recent therapeutic advancements and challenges.
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Affiliation(s)
- Surya Prakash Pandey
- Aarogya Institute of Healthcare and Research, Jaipur, Rajasthan, 302033, India
- Department of Zoology, School of Science, IFTM University, Moradabad, Uttar Pradesh, 244102, India
| | - Rakesh Bhaskar
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, South Korea
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, South Korea
| | - Kannan Badri Narayanan
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, South Korea
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, South Korea
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Gensous N, Lazaro E, Blanco P, Richez C. Anifrolumab: first biologic approved in the EU not restricted to patients with a high degree of disease activity for the treatment of moderate to severe systemic lupus erythematosus. Expert Rev Clin Immunol 2024; 20:21-30. [PMID: 37800604 DOI: 10.1080/1744666x.2023.2268284] [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: 06/08/2023] [Accepted: 10/04/2023] [Indexed: 10/07/2023]
Abstract
INTRODUCTION Type 1 interferons (IFNs) play a crucial role in the pathogenesis of systemic lupus erythematosus (SLE) and various type I IFNs targeting therapeutic approaches have been developed. Anifrolumab, a monoclonal antibody that binds to the subunit 1 of the type I IFN receptor, has acquired considerable interest and has entered different clinical human trials willing to evaluate its efficacy and safety. AREAS COVERED This review summarizes the data obtained in phases 1, 2, and 3 clinical trials of anifrolumab for SLE patients. A focus is made on data of clinical efficacy and safety obtained in MUSE, TULIP-1 and TULIP-2 trials. EXPERT OPINION/COMMENTARY Anifrolumab is a promising therapeutic option for patients with SLE, currently authorized for moderate-to-severe SLE. Extensive real-world use is now going to generate data required to gain experience on the type of patients who benefit the most from the drug, and the exact positioning of anifrolumab in the therapeutic plan.
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Affiliation(s)
- Noémie Gensous
- Department of Internal Medicine and Clinical Immunology, CHU Bordeaux, Hôpital Saint-André, Bordeaux, France
- UMR/CNRS 5164, ImmunoConcEpT, CNRS, University of Bordeaux, Bordeaux, France
| | - Estibaliz Lazaro
- UMR/CNRS 5164, ImmunoConcEpT, CNRS, University of Bordeaux, Bordeaux, France
- Department of Internal Medicine and Infectious Diseases, Centre National de Référence des Maladies Auto-immunes Systémiques Rares RESO, CHU Bordeaux, Hôpital Haut Leveque, Pessac, France
| | - Patrick Blanco
- UMR/CNRS 5164, ImmunoConcEpT, CNRS, University of Bordeaux, Bordeaux, France
- Department of Immunology and Immunogenetics, CHU Bordeaux, Hôpital Pellegrin, Bordeaux, France
| | - Christophe Richez
- UMR/CNRS 5164, ImmunoConcEpT, CNRS, University of Bordeaux, Bordeaux, France
- Department of Rheumatology, Centre National de Référence des Maladies Auto-immunes Systémiques Rares RESO, CHU de Bordeaux, Hôpital Pellegrin, Bordeaux, France
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Yang B, Pei J, Lu C, Wang Y, Shen M, Qin X, Huang Y, Yang X, Zhao X, Ma S, Song Z, Liang Y, Wang H, Wang J. RNF144A promotes antiviral responses by modulating STING ubiquitination. EMBO Rep 2023; 24:e57528. [PMID: 37955227 PMCID: PMC10702816 DOI: 10.15252/embr.202357528] [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: 05/24/2023] [Revised: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 11/14/2023] Open
Abstract
Stimulator of interferon (IFN) genes (STING, also named MITA, ERIS, MPYS, or TMEM173) plays an essential role in DNA virus- or cytosolic DNA-triggered innate immune responses. Here, we demonstrate that the RING-in-between RING (RBR) E3 ubiquitin ligase family member RING-finger protein (RNF) 144A interacts with STING and promotes its K6-linked ubiquitination at K236, thereby enhancing STING translocation from the ER to the Golgi and downstream signaling pathways. The K236R mutant of STING displays reduced activity in promoting innate immune signal transduction. Overexpression of RNF144A upregulates HSV-1- or cytosolic DNA-induced immune responses, while knockdown of RNF144A expression has the opposite effect. In addition, Rnf144a-deficient cells exhibit impaired DNA virus- or cytosolic DNA-triggered signaling, and RNF144A protects mice from DNA virus infection. In contrast, RNF144A does not affect RNA virus- or cytosolic RNA-triggered innate immune responses. Taken together, our findings identify a new positive regulator of DNA virus- or cytosolic DNA-triggered signaling pathways and a critical ubiquitination site important for fully functional STING during antiviral responses.
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Affiliation(s)
- Bo Yang
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Jinyong Pei
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Chen Lu
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Yi Wang
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Mengyang Shen
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Xiao Qin
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Yulu Huang
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Xi Yang
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Xin Zhao
- Department of Laboratory MedicineThe Third Affiliated Hospital of Xinxiang Medical UniversityXinxiangChina
| | - Shujun Ma
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Zhishan Song
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Yinming Liang
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
- Ping Yuan LaboratoryXinxiangChina
| | - Hui Wang
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
| | - Jie Wang
- Xinxiang Key Laboratory of Inflammation and ImmunologyXinxiang Medical UniversityXinxiangChina
- Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory MedicineXinxiang Medical UniversityXinxiangChina
- Henan Key Laboratory of Immunology and Targeted DrugXinxiang Medical UniversityXinxiangChina
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Merrill JT, Guthridge J, Smith M, June J, Koumpouras F, Machua W, Askanase A, Khosroshahi A, Sheikh SZ, Rathi G, Burington B, Foster P, Matijevic M, Arora S, Wang X, Gao M, Wax S, James JA, Zack DJ. Obexelimab in Systemic Lupus Erythematosus With Exploration of Response Based on Gene Pathway Co-Expression Patterns: A Double-Blind, Randomized, Placebo-Controlled, Phase 2 Trial. Arthritis Rheumatol 2023; 75:2185-2194. [PMID: 37459248 DOI: 10.1002/art.42652] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/17/2023] [Accepted: 07/11/2023] [Indexed: 11/30/2023]
Abstract
OBJECTIVE Obexelimab is an investigational, bifunctional, noncytolytic monoclonal antibody that binds CD19 and FcyRIIb to inhibit B cells, plasmablasts, and plasma cells. This trial evaluated the efficacy and safety of obexelimab in the treatment of patients with systemic lupus erythematosus (SLE). METHODS During screening, patients with active, non-organ-threatening SLE received corticosteroid injections to ameliorate symptoms while immunosuppressants were withdrawn (≤10 mg/day prednisone equivalent and ≤400 mg/day hydroxychloroquine allowed). Patients with improved disease activity were randomized 1:1 to obexelimab 5 mg/kg intravenously or placebo once every 2 weeks until week 32 or loss of improvement (LOI). RESULTS In this study, 104 patients were randomized. Analysis of the primary endpoint, proportion of patients reaching week 32 without LOI, used an efficacy-evaluable (EE) population defined as patients who completed the study or withdrew for flare or treatment-related toxicity. This endpoint did not reach statistical significance: 21 of 50 obexelimab-treated patients (42.0%) versus 12 of 42 patients (28.6%) treated with a placebo (P = 0.183). Time to LOI was increased in obexelimab-treated patients versus patients treated with a placebo in the EE (hazard ratio [HR] 0.53, P = 0.025) and intention-to-treat (HR 0.59, P = 0.062) populations. In obexelimab-treated patients, B cells decreased approximately 50%, and trough concentration and inclusion in baseline gene expression clusters with high B cell pathway modules were associated with increased time to LOI. Obexelimab was associated with infusion reactions but was generally safe and well-tolerated. CONCLUSION Although the primary endpoint was not reached, secondary analysis showed time to LOI was significantly increased in obexelimab-treated patients, and analysis of patient subsets defined by gene expression patterns at baseline suggests a responding subpopulation.
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Affiliation(s)
- Joan T Merrill
- Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
| | - Joel Guthridge
- Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
| | - Miles Smith
- Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
| | - Joshua June
- Great Lakes Center of Rheumatology, Lansing, Michigan
| | | | | | - Anca Askanase
- Columbia University Medical Center, New York City, New York
| | | | - Saira Z Sheikh
- University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | | | | | | | | | | | | | | | | | - Judith A James
- Oklahoma Medical Research Foundation, Oklahoma City, Oklahoma
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Lim D, Kleitsch J, Werth VP. Emerging immunotherapeutic strategies for cutaneous lupus erythematosus: an overview of recent phase 2 and 3 clinical trials. Expert Opin Emerg Drugs 2023; 28:257-273. [PMID: 37860982 DOI: 10.1080/14728214.2023.2273536] [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: 07/19/2023] [Accepted: 10/17/2023] [Indexed: 10/21/2023]
Abstract
INTRODUCTION Cutaneous lupus erythematosus (CLE) is an autoimmune disease that is clinically heterogenous and may occur with or without the presence of systemic lupus erythematosus (SLE). While existing on a spectrum, CLE and SLE present differences in their underlying pathogenesis and therapeutic responses. No new therapies have been approved in recent decades by the U.S. Food and Drug Administration for CLE, although frequently refractory to conventional therapies. There is an unmet need to develop effective drugs for CLE as it significantly impacts patients' quality of life and may leave irreversible disfiguring damage. AREAS COVERED This review provides an update on the latest phase 2 and 3 clinical trials performed in CLE or SLE using skin-specific outcome measures. Emergent therapies are presented alongside their mechanism of action as recent translational studies have permitted identification of critical targets among immune cells and/or pathways involved in CLE. EXPERT OPINION While the recent literature has few trials for CLE, drugs targeting type I interferon, its downstream signaling and plasmacytoid dendritic cells have shown promising results. Further research is required to develop long-awaited effective therapies, and this review highlights the importance of implementing trials dedicated to CLE to fill the current gap in CLE therapeutics.
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Affiliation(s)
- Darosa Lim
- Department of Dermatology, Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Julianne Kleitsch
- Department of Dermatology, Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
| | - Victoria P Werth
- Department of Dermatology, Corporal Michael J. Crescenz VAMC, Philadelphia, PA, USA
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, PA, USA
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Nie H, Chang S, Li Y, Li F. Biomarkers Associated with Drugs for the Treatment of Lupus Nephritis. Biomolecules 2023; 13:1601. [PMID: 38002282 PMCID: PMC10669579 DOI: 10.3390/biom13111601] [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: 09/09/2023] [Revised: 10/17/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023] Open
Abstract
The constant updating of lupus drug treatment guidelines has led to a question. How can the efficacy of treatment be more effectively monitored? Systemic lupus erythematosus (SLE) is a complex autoimmune disease that often presents clinically with multi-organ involvement, and approximately 30% of patients with SLE develop lupus nephritis (LN). Therefore, it is important to better track disease progression and drug efficacy. Now, kidney biopsy is still the gold standard for diagnosing and guiding the treatment of LN, but it is invasive and expensive. If simple, non-invasive and effective biomarkers can be found, drug intervention and prognosis can be better monitored and targeted. In this review, we focus on LN and explore biomarkers related to LN therapeutics, providing clinicians with more possibilities to track the therapeutic effect of drugs, improve treatment options and assess patient outcomes.
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Affiliation(s)
- Huiyu Nie
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Siyuan Chang
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Yuanyuan Li
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Fen Li
- Department of Rheumatology and Immunology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
- Clinical Medical Research Center for Systemic Autoimmune Diseases in Hunan Province, Changsha 410011, China
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Abstract
Systemic lupus erythematosus (SLE) is a severe multisystem autoimmune disease that can cause injury in almost every body system. While considered a classic example of autoimmunity, it is still relatively poorly understood. Treatment with immunosuppressive agents is challenging, as many agents are relatively non-specific, and the underlying disease is characterized by unpredictable flares and remissions. This State of The Art Review provides a comprehensive current summary of systemic lupus erythematosus based on recent literature. In basic and translational science, this summary includes the current state of genetics, epigenetics, differences by ancestry, and updates about the molecular and immunological pathogenesis of systemic lupus erythematosus. In clinical science, the summary includes updates in diagnosis and classification, clinical features and subphenotypes, and current guidelines and strategies for treatment. The paper also provides a comprehensive review of the large number of recent clinical trials in systemic lupus erythematosus. Current knowns and unknowns are presented, and potential directions for the future are suggested. Improved knowledge of immunological pathogenesis and the molecular differences that exist between patients should help to personalize treatment, minimize side effects, and achieve better outcomes in this difficult disease.
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Affiliation(s)
- Eric F Morand
- School of Clinical Sciences, Monash University, Melbourne, VIC, Australia
- Department of Rheumatology, Monash Health, Melbourne, VIC, Australia
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Daca A, Storoniak H, Dębska-Ślizień A, Kusztal MA, Krajewska M, Lisowska KA. Chemokines and Cytokines Profiles in Patients with Antineutrophil Cytoplasmic Antibodies-Associated Vasculitis: A Preliminary Study. Int J Mol Sci 2023; 24:15319. [PMID: 37894997 PMCID: PMC10607460 DOI: 10.3390/ijms242015319] [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: 09/12/2023] [Revised: 10/05/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
The damage to small vessels in AAV and inflammatory reactions are accompanied by the release of various chemokines and cytokines. Using a flow cytometry technique, we assessed the levels of specific cytokines, namely IL-1β IL-6, IL-8, IL-10, IL12p70, and TNF, and chemokines, IFN-α, IP-10, and MIG in the serum from 9 healthy volunteers and 20 AAV patients, where 11 of the patients were not treated and evaluated at the time of diagnosis and 9 were already diagnosed and taking CY + GCS. The obtained results were then compared considering the activity of the disease, the type and titre of the ANCA antibodies, the inflammatory status, and the kidneys' condition. Amongst others, the IL-6, IL-8, IL-10, TNF, and MIG levels were much higher in the serum of AAV patients than in healthy controls, whereas the level of IL-1β was higher in healthy volunteers. Additionally, the levels of IL-6, IL-10, IP-10, and MIG negatively correlated with the eGFR level, while the level of IFN-α positively correlated with the titre of PR3-ANCA. As most of the molecules are implicated in trafficking primed neutrophils towards small vessels, looking for links between the levels of these cytokines/chemokines and the clinical symptoms of AAV may facilitate the diagnosis and predict the progression of the disease.
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Affiliation(s)
- Agnieszka Daca
- Department of Pathophysiology, Medical University of Gdańsk, 80-211 Gdansk, Poland;
| | - Hanna Storoniak
- Department of Nephrology, Transplantology, and Internal Diseases, Medical University of Gdańsk, 80-211 Gdansk, Poland; (H.S.); (A.D.-Ś.)
| | - Alicja Dębska-Ślizień
- Department of Nephrology, Transplantology, and Internal Diseases, Medical University of Gdańsk, 80-211 Gdansk, Poland; (H.S.); (A.D.-Ś.)
| | - Mariusz Andrzej Kusztal
- Department of Nephrology and Translational Medicine, Medical University of Wrocław, 50-137 Wroclaw, Poland; (M.A.K.); (M.K.)
| | - Magdalena Krajewska
- Department of Nephrology and Translational Medicine, Medical University of Wrocław, 50-137 Wroclaw, Poland; (M.A.K.); (M.K.)
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Pennesi M, Benvenuto S. Lupus Nephritis in Children: Novel Perspectives. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1841. [PMID: 37893559 PMCID: PMC10607957 DOI: 10.3390/medicina59101841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/10/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023]
Abstract
Childhood-onset systemic lupus erythematosus is an inflammatory and autoimmune condition characterized by heterogeneous multisystem involvement and a chronic course with unpredictable flares. Kidney involvement, commonly called lupus nephritis, mainly presents with immune complex-mediated glomerulonephritis and is more frequent and severe in adults. Despite a considerable improvement in long-term renal prognosis, children and adolescents with lupus nephritis still experience significant morbidity and mortality. Moreover, current literature often lacks pediatric-specific data, leading clinicians to rely exclusively on adult therapeutic approaches. This review aims to describe pediatric lupus nephritis and provide an overview of the novel perspectives on the pathogenetic mechanisms, histopathological classification, therapeutic approach, novel biomarkers, and follow-up targets in children and adolescents with lupus nephritis.
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Affiliation(s)
- Marco Pennesi
- Institute for Maternal and Child Health IRCCS Burlo Garofolo, 34137 Trieste, Italy
| | - Simone Benvenuto
- Department of Medicine, Surgery, and Health Sciences, University of Trieste, 34127 Trieste, Italy
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Chan J, Walters GD, Puri P, Jiang SH. Safety and efficacy of biological agents in the treatment of Systemic Lupus Erythematosus (SLE). BMC Rheumatol 2023; 7:37. [PMID: 37807057 PMCID: PMC10561476 DOI: 10.1186/s41927-023-00358-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 09/15/2023] [Indexed: 10/10/2023] Open
Abstract
BACKGROUND To determine the safety and efficacy of biological agents used in the treatment of systemic lupus erythematosus (SLE) in adults. METHODS Systematic review and meta-analysis following PRISMA guidelines. DATA SOURCES MEDLINE (through Pubmed), EMBASE, Cochrane library, Clinicaltrials.gov, Australianclinicaltrials.gov.au, ANZCTR.org.au and WHO International Clinical Trials Registry Platform for studies published from 20 May 2021 and 15 years prior. A grey literature search was performed and completed on 31 May 2021. STUDY CRITERIA Phase II, III or quasi randomised controlled trials, studies with only cerebral or cutaneous lupus were excluded. DATA EXTRACTION Two authors independently screened studies for eligibility, extracted, reviewed data for accuracy, and used the Cochrane tool to assess risk of bias. RESULTS Forty-four studies were identified, consisting of 15 groups of drugs and 25 different biological agents, totalling 16,889 patients. The main outcomes assessed included Systemic Lupus Erythematosus Responder Index (SRI), BILAG-Based Composite Lupus Assessment (BICLA) and combined combined/partial renal remission (CRR/PRR). Four groups of biologics were found to improve outcomes. Anti-interferons: Anifrolumab increased BICLA response and SRI 5 to 8, decreased prednisone dosages, with increased herpes zoster infections, but fewer serious adverse events. Sifalimumab improved SRI but also increased herpes zoster infections. Anti BAFF/BLyS and/or APRIL: Belimumab consistently improved SRI 4, decreased prednisone dosages, increased combined CRR/PRR, and had no adverse safety outcomes. Tabalumab increased SRI 5 at 52 weeks with no steroid sparing effect but was associated with increased infusion related adverse events. Telitacicept improved SRI 4 at 52 weeks, with no increased adverse events, though data was rather sparse. Anti CD-20 monoclonal antibody, Obinutuzumab increased combined CRR/PRR at 1 and 2 years. Anti IL12/23 monoclonal antibody, Ustekinumab, increased SRI 4 to 6, but not BICLA at 24 weeks, with no concerning safety outcomes. CONCLUSION Multiple biologic agents are shown in high quality studies to have a significant therapeutic impact on outcomes in SLE.
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Affiliation(s)
- Justin Chan
- John Curtin School of Medical Research, Australian National University, Canberra, Australian Capital Territory, Australia.
- Department of Renal Medicine, Canberra Hospital, Canberra, Australian Capital Territory, Australia.
| | - Giles D Walters
- John Curtin School of Medical Research, Australian National University, Canberra, Australian Capital Territory, Australia
- Department of Renal Medicine, Canberra Hospital, Canberra, Australian Capital Territory, Australia
| | - Prianka Puri
- Department of Nephrology, Royal Brisbane and Woman's Hospital Health Service District, Herston, QLD, Australia
| | - Simon H Jiang
- John Curtin School of Medical Research, Australian National University, Canberra, Australian Capital Territory, Australia
- Department of Renal Medicine, Canberra Hospital, Canberra, Australian Capital Territory, Australia
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Kim A, Choi SJ, Song GG, Kim JH, Jung JH. Characterization of virus-mediated autoimmunity and the consequences for pathological process in patients with systemic lupus erythematosus. Clin Rheumatol 2023; 42:2799-2809. [PMID: 37369873 DOI: 10.1007/s10067-023-06597-6] [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: 08/31/2022] [Revised: 04/01/2023] [Accepted: 04/07/2023] [Indexed: 06/29/2023]
Abstract
INTRODUCTION/OBJECTIVES This study aimed to identify differentially expressed genes (DEGs) of systemic lupus erythematosus (SLE) using gene expression-based computational methodologies to analyze disease-immune interactions, which affect the development and progression of SLE. METHOD Twenty-six patients with SLE and 46 healthy controls were selected from the Gene Expression Omnibus (GEO) database. The significantly enriched immune and virus-related gene lists were computed and visualized by using the DEGs from the gene set enrichment analysis (GSEA). Quantification of 38 immune cells was performed in determining the impact of immune cells on the virus mediated immunity in SLE by using ImmQuant algorithm. RESULTS Thirty-nine upregulated and 57 downregulated were identified in SLE patient compared to the healthy controls. Upregulated genes were significantly implicated in Gene Ontology gene sets as cytokine mediated signaling, secretion, and exocytosis in immune response pathways in 26 female SLE patients. In addition, these genes were enriched in hepatitis C, influenza A, measles, Epstein-Barr virus, and herpes simplex virus 1 infection in Kyoto Encyclopedia of Genes and Genomes pathways. Especially, FCGR1A, IRF7, OAS2, CAMP, MX1, OAS3, OAS1, DEFA3, ISG15, and RSAD2 were involved in virus mediated SLE mechanism, and the expression for OAS1, OAS2, and IRF7 was closely associated with the quantities of colony forming unit-monocyte and colony forming unit-granulocyte. CONCLUSIONS Identifying virus-mediated SLE genes and quantifies of immune cells were used to understand the pathological process and perform early diagnosis of female SLE, and will lead to clinical tools for treating SLE in patients. Key Points • Using gene expression-based computational methodologies, the 57 immune and viral genes were significantly upregulated in 26 SLE patients. • The identified three key viral genes such as OAS1, OAS2, and IF7 were closely associated with colony-forming unit-monocytes and colony-forming unit-granulocytes, which affect the virus mediated immunity in SLE. • The viral genes and quantifies of immune cells are useful in understanding pathogenesis of SLE, and this will provide clinical strategies of potential treatment choices in SLE patients.
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Affiliation(s)
- Ahreum Kim
- Department of Education and Training, CHA Bundang Medical Center, Seongnam, Republic of Korea
| | - Sung Jae Choi
- Department of Medicine, Korea University College of Medicine, Seoul, Republic of Korea
- Division of Rheumatology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea
| | - Gwan Gyu Song
- Department of Medicine, Korea University College of Medicine, Seoul, Republic of Korea
- Division of Rheumatology, Department of Internal Medicine, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Joo-Hang Kim
- Department of Education and Training, CHA Bundang Medical Center, Seongnam, Republic of Korea.
- Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea.
| | - Jae Hyun Jung
- Department of Medicine, Korea University College of Medicine, Seoul, Republic of Korea.
- Division of Rheumatology, Department of Internal Medicine, Korea University Ansan Hospital, Ansan, Republic of Korea.
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Santos GDM, Saldanha A, Orsi FA. Should we be targeting type 1 interferons in antiphospholipid syndrome? Clin Immunol 2023; 255:109754. [PMID: 37678720 DOI: 10.1016/j.clim.2023.109754] [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: 05/27/2023] [Revised: 08/13/2023] [Accepted: 08/28/2023] [Indexed: 09/09/2023]
Abstract
Systemic autoimmune diseases are characterized by increased production of type I interferon (IFN-1) and upregulation of IFN-1-inducible genes, suggesting an important role of the IFN-1 pathway in their pathogenesis. Recent studies have demonstrated increased IFN-1 expression in both primary and secondary antiphospholipid syndrome (APS), along with increased toll-like receptor type 9 activity and plasmacytoid dendritic cell function. The increasing knowledge of the association between IFN-1 and APS pathology may provide a rationale for conducting clinical trials to assess the efficacy of IFN-1-targeting drugs in reducing APS-related complications. In this narrative review, we summarize the current knowledge on the role of IFN-1 in APS pathogenesis, explore its clinical implications, and examine the existing evidence regarding therapeutic options that have been investigated to date.
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Affiliation(s)
- Gabrielle de Mello Santos
- Hospital das Clinicas of University of São Paulo Medical School (HCFMUSP), Brazil; HEMORIO - State Institute of Hematology "Arthur de Siqueira Cavalcanti", Brazil
| | - Artur Saldanha
- Hospital das Clinicas of University of São Paulo Medical School (HCFMUSP), Brazil; HEMOAL - Hematology and Hemotherapy Center of Alagoas, Brazil
| | - Fernanda Andrade Orsi
- Hospital das Clinicas of University of São Paulo Medical School (HCFMUSP), Brazil; Department of Pathology, Faculty of Medical Sciences of the University of Campinas (UNICAMP), Brazil.
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Parodis I, Long X, Karlsson MCI, Huang X. B Cell Tolerance and Targeted Therapies in SLE. J Clin Med 2023; 12:6268. [PMID: 37834911 PMCID: PMC10573616 DOI: 10.3390/jcm12196268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/02/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Systemic Lupus Erythematosus (SLE) is a chronic systemic autoimmune disease of high clinical and molecular heterogeneity, and a relapsing-remitting pattern. The disease is currently without cure and more prevalent in women. B cell tolerance and production of autoantibodies are critical mechanisms that drive SLE pathophysiology. However, how the balance of the immune system is broken and how the innate and adaptive immune systems are interacting during lupus-specific autoimmune responses are still largely unknown. Here, we review the latest knowledge on B cell development, maturation, and central versus peripheral tolerance in connection to SLE and treatment options. We also discuss the regulation of B cells by conventional T cells, granulocytes, and unconventional T cells, and how effector B cells exert their functions in SLE. We also discuss mechanisms of action of B cell-targeted therapies, as well as possible future directions based on current knowledge of B cell biology.
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Affiliation(s)
- Ioannis Parodis
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, 17177 Stockholm, Sweden;
- Department of Gastroenterology, Dermatology and Rheumatology, Karolinska University Hospital, 17176 Stockholm, Sweden
- Department of Rheumatology, Faculty of Medicine and Health, Örebro University, 70281 Örebro, Sweden
| | - Xuan Long
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha 410011, China;
| | - Mikael C. I. Karlsson
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, 17177 Stockholm, Sweden;
| | - Xin Huang
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha 410011, China;
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Gómez-Bañuelos E, Goldman DW, Andrade V, Darrah E, Petri M, Andrade F. Uncoupling interferons and the interferon signature explain clinical and transcriptional subsets in SLE. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.08.28.23294734. [PMID: 37693590 PMCID: PMC10491366 DOI: 10.1101/2023.08.28.23294734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Interferons (IFN) are thought to be key players in systemic lupus erythematosus (SLE). The unique and interactive roles of the different IFN families in SLE pathogenesis, however, remain poorly understood. Using reporter cells engineered to precisely quantify IFN-I, IFN-II and IFN-III activity levels in serum/plasma, we found that while IFNs play essential role in SLE pathogenesis and disease activity, they are only significant in specific subsets of patients. Interestingly, whereas IFN-I is the main IFN that governs disease activity in SLE, clinical subsets are defined by the co-elevation of IFN-II and IFN-III. Thus, increased IFN-I alone was only associated with cutaneous lupus. In contrast, systemic features, such as nephritis, were linked to co-elevation of IFN-I plus IFN-II and IFN-III, implying a synergistic effect of IFNs in severe SLE. Intriguingly, while increased IFN-I levels were strongly associated with IFN-induced gene expression (93.5%), in up to 64% of cases, the IFN signature was not associated with IFN-I. Importantly, neither IFN-II nor IFN-III explained IFN-induced gene expression in patients with normal IFN-I levels, and not every feature in SLE was associated with elevated IFNs, suggesting IFN-independent subsets in SLE. Together, the data suggest that, unlike the IFN signature, direct quantification of bioactive IFNs can identify pathogenic and clinically relevant SLE subsets amenable for precise anti-IFN therapies. Since IFN-I is only elevated in a subset of SLE patients expressing the IFN signature, this study explains the heterogeneous response in clinical trials targeting IFN-I, where patients were selected based on IFN-induced gene expression rather than IFN-I levels.
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Affiliation(s)
- Eduardo Gómez-Bañuelos
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21224
| | - Daniel W. Goldman
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21224
| | - Victoria Andrade
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21224
| | - Erika Darrah
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21224
| | - Michelle Petri
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21224
| | - Felipe Andrade
- Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, 21224
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Monaghan KA, Hoi A, Gamell C, Tai TY, Linggi B, Jordan J, Cesaroni M, Sato T, Ng M, Oon S, Benson J, Wicks I, Morand E, Wilson N. CSL362 potently and specifically depletes pDCs invitro and ablates SLE-immune complex-induced IFN responses. iScience 2023; 26:107173. [PMID: 37456846 PMCID: PMC10338305 DOI: 10.1016/j.isci.2023.107173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 03/16/2023] [Accepted: 06/14/2023] [Indexed: 07/18/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease with significant morbidity and mortality. Type I interferon (IFN) drives SLE pathology and plasmacytoid dendritic cells (pDCs) are potent producers of IFN; however, the specific effects of pDC depletion have not been demonstrated. We show CD123 was highly expressed on pDCs and the anti-CD123 antibody CSL362 potently depleted pDCs in vitro. CSL362 pre-treatment abrogated the induction of IFNα and IFN-induced gene transcription following stimulation with SLE patient-derived serum or immune complexes. RNA transcripts induced in pDCs by ex vivo stimulation with TLR ligands were reflected in gene expression profiles of SLE blood, and correlated with disease severity. TLR ligand-induced protein production by SLE patient peripheral mononuclear cells was abrogated by CSL362 pre-treatment including proteins over expressed in SLE patient serum. These findings implicate pDCs as key drivers in the cellular activation and production of soluble factors seen in SLE.
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Affiliation(s)
| | - Alberta Hoi
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, VIC 3168, Australia
- Monash Health, Clayton, VIC 3168, Australia
| | - Cristina Gamell
- Research and Development, CSL Limited, Melbourne, VIC 3010, Australia
| | - Tsin Yee Tai
- Research and Development, CSL Limited, Melbourne, VIC 3010, Australia
| | - Bryan Linggi
- Janssen Research and Development LLC, Spring House, PA 19477, USA
| | - Jarrat Jordan
- Janssen Research and Development LLC, Spring House, PA 19477, USA
| | - Matteo Cesaroni
- Janssen Research and Development LLC, Spring House, PA 19477, USA
| | - Takahiro Sato
- Janssen Research and Development LLC, Spring House, PA 19477, USA
| | - Milica Ng
- Research and Development, CSL Limited, Melbourne, VIC 3010, Australia
| | - Shereen Oon
- The Walter and Eliza Hall Institute, Parkville, VIC 3052, Australia
- The Royal Melbourne Hospital, Parkville, VIC 3050, Australia
- The University of Melbourne Parkville, Parkville, VIC 3010, Australia
| | | | - Ian Wicks
- The Walter and Eliza Hall Institute, Parkville, VIC 3052, Australia
- The Royal Melbourne Hospital, Parkville, VIC 3050, Australia
- The University of Melbourne Parkville, Parkville, VIC 3010, Australia
| | - Eric Morand
- Centre for Inflammatory Disease, School of Clinical Sciences, Monash University, Melbourne, VIC 3168, Australia
- Monash Health, Clayton, VIC 3168, Australia
| | - Nicholas Wilson
- Research and Development, CSL Limited, Melbourne, VIC 3010, Australia
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38
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Neves A, Viveiros L, Venturelli V, Isenberg DA. Promising Experimental Treatments for Lupus Nephritis: Key Talking Points and Potential Opportunities. Res Rep Urol 2023; 15:333-353. [PMID: 37456804 PMCID: PMC10348374 DOI: 10.2147/rru.s385836] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023] Open
Abstract
Lupus nephritis (LN) is a frequent and serious complication of systemic lupus erythematosus (SLE), impairing patients' quality of life and significantly increasing mortality. Despite optimizing the use of conventional immunosuppressants and other biological drugs, its management remains unsatisfactory. This is mainly due to the heterogeneity of SLE, but also to insufficiently effective treatment regimens and clinical trial limitations (strict criteria, low number of patients included, and side effects). Most clinical trials of new biological therapies have failed to meet their primary endpoints in both general SLE and LN, with only two biological drugs (belimumab and anifrolumab) being approved by the Food and Drug Administration (FDA) for the treatment of SLE. Recently, several Phase II randomized controlled trials have evaluated the efficacy and safety of new biologics in LN, and some of them have demonstrated an improvement in clinical and laboratory measures. Multi-target therapies are also being successfully developed and encourage a belief that there will be an improvement in LN outcomes.
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Affiliation(s)
- Ana Neves
- Internal Medicine Department, Centro Hospitalar Universitário de São João, Oporto, Portugal
| | - Luísa Viveiros
- Internal Medicine Department, Centro Hospitalar Universitário de Santo António, Oporto, Portugal
| | - Veronica Venturelli
- Rheumatology Unit, Department of Medical Sciences, Università degli Studi di Ferrara, Azienda Ospedaliero-Universitaria S. Anna, Cona, Italy
| | - David A Isenberg
- Centre for Rheumatology, Department of Medicine, University College London, London, UK
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Athanassiou P, Athanassiou L. Current Treatment Approach, Emerging Therapies and New Horizons in Systemic Lupus Erythematosus. Life (Basel) 2023; 13:1496. [PMID: 37511872 PMCID: PMC10381582 DOI: 10.3390/life13071496] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 06/18/2023] [Accepted: 06/30/2023] [Indexed: 07/30/2023] Open
Abstract
Systemic lupus erythematosus (SLE), the prototype of systemic autoimmune diseases is characterized by extreme heterogeneity with a variable clinical course. Renal involvement may be observed and affects the outcome. Hydroxychloroquine should be administered to every lupus patient irrespective of organ involvement. Conventional immunosuppressive therapy includes corticosteroids, methotrexate, cyclophosphamide, mycophenolate mofetil, azathioprine, cyclosporine and tacrolimus. However, despite conventional immunosuppressive treatment, flares occur and broad immunosuppression is accompanied by multiple side effects. Flare occurrence, target organ involvement, side effects of broad immunosuppression and increased knowledge of the pathogenetic mechanisms involved in SLE pathogenesis as well as the availability of biologic agents has led to the application of biologic agents in SLE management. Biologic agents targeting various pathogenetic paths have been applied. B cell targeting agents have been used successfully. Belimumab, a B cell targeting agent, has been approved for the treatment of SLE. Rituximab, an anti-CD20 targeting agent is also used in SLE. Anifrolumab, an interferon I receptor-targeting agent has beneficial effects on SLE. In conclusion, biologic treatment is applied in SLE and should be further evaluated with the aim of a good treatment response and a significant improvement in quality of life.
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Affiliation(s)
| | - Lambros Athanassiou
- Department of Rheumatology, Asclepeion Hospital, Voula, GR16673 Athens, Greece
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40
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Mohan C, Zhang T, Putterman C. Pathogenic cellular and molecular mediators in lupus nephritis. Nat Rev Nephrol 2023:10.1038/s41581-023-00722-z. [PMID: 37225921 DOI: 10.1038/s41581-023-00722-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2023] [Indexed: 05/26/2023]
Abstract
Kidney involvement in patients with systemic lupus erythematosus - lupus nephritis (LN) - is one of the most important and common clinical manifestations of this disease and occurs in 40-60% of patients. Current treatment regimens achieve a complete kidney response in only a minority of affected individuals, and 10-15% of patients with LN develop kidney failure, with its attendant morbidity and considerable prognostic implications. Moreover, the medications most often used to treat LN - corticosteroids in combination with immunosuppressive or cytotoxic drugs - are associated with substantial side effects. Advances in proteomics, flow cytometry and RNA sequencing have led to important new insights into immune cells, molecules and mechanistic pathways that are instrumental in the pathogenesis of LN. These insights, together with a renewed focus on the study of human LN kidney tissue, suggest new therapeutic targets that are already being tested in lupus animal models and early-phase clinical trials and, as such, are hoped to eventually lead to meaningful improvements in the care of patients with systemic lupus erythematosus-associated kidney disease.
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Affiliation(s)
- Chandra Mohan
- Department of Biomedical Engineering, University of Houston, Houston, TX, USA.
| | - Ting Zhang
- Division of Rheumatology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Chaim Putterman
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel.
- Division of Rheumatology and Department of Microbiology & Immunology, Albert Einstein College of Medicine, Bronx, NY, USA.
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41
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Baglaenko Y, Wagner C, Bhoj VG, Brodin P, Gershwin ME, Graham D, Invernizzi P, Kidd KK, Korsunsky I, Levy M, Mammen AL, Nizet V, Ramirez-Valle F, Stites EC, Williams MS, Wilson M, Rose NR, Ladd V, Sirota M. Making inroads to precision medicine for the treatment of autoimmune diseases: Harnessing genomic studies to better diagnose and treat complex disorders. CAMBRIDGE PRISMS. PRECISION MEDICINE 2023; 1:e25. [PMID: 38550937 PMCID: PMC10953750 DOI: 10.1017/pcm.2023.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/21/2023] [Accepted: 04/25/2023] [Indexed: 06/13/2024]
Abstract
Precision Medicine is an emerging approach for disease treatment and prevention that takes into account individual variability in genes, environment, and lifestyle. Autoimmune diseases are those in which the body's natural defense system loses discriminating power between its own cells and foreign cells, causing the body to mistakenly attack healthy tissues. These conditions are very heterogeneous in their presentation and therefore difficult to diagnose and treat. Achieving precision medicine in autoimmune diseases has been challenging due to the complex etiologies of these conditions, involving an interplay between genetic, epigenetic, and environmental factors. However, recent technological and computational advances in molecular profiling have helped identify patient subtypes and molecular pathways which can be used to improve diagnostics and therapeutics. This review discusses the current understanding of the disease mechanisms, heterogeneity, and pathogenic autoantigens in autoimmune diseases gained from genomic and transcriptomic studies and highlights how these findings can be applied to better understand disease heterogeneity in the context of disease diagnostics and therapeutics.
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Affiliation(s)
| | | | | | | | | | - Daniel Graham
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Pietro Invernizzi
- Division of Gastroenterology, Center for Autoimmune Liver Diseases, Department of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- European Reference Network on Hepatological Diseases (ERN RARE-LIVER), IRCCS Fondazione San Gerardo dei Tintori, Monza, Italy
| | - Kenneth K. Kidd
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, USA
| | | | - Michael Levy
- Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Andrew L. Mammen
- National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, USA
| | - Victor Nizet
- School of Medicine, University of California San Diego, San Diego, CA, USA
| | | | - Edward C. Stites
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, CT, USA
| | | | - Michael Wilson
- Weill Institute for Neurosciences, Department of Neurology, UCSF, San Francisco, CA, USA
| | - Noel R. Rose
- Autoimmune Association, Clinton Township, MI, USA
| | | | - Marina Sirota
- Bakar Computational Health Sciences Institute, UCSF, San Francisco, CA, USA
- Department of Pediatrics, UCSF, San Francisco, CA, USA
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42
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Tang W, Tummala R, Almquist J, Hwang M, White WI, Boulton DW, MacDonald A. Clinical Pharmacokinetics, Pharmacodynamics, and Immunogenicity of Anifrolumab. Clin Pharmacokinet 2023; 62:655-671. [PMID: 37148484 PMCID: PMC10182164 DOI: 10.1007/s40262-023-01238-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/08/2023] [Indexed: 05/08/2023]
Abstract
The type I interferon (IFN) signaling pathway is implicated in the pathogenesis of systemic lupus erythematosus (SLE). Anifrolumab is a monoclonal antibody that targets the type I IFN receptor subunit 1. Anifrolumab is approved in several countries for patients with moderate to severe SLE receiving standard therapy. The approved dosing regimen of anifrolumab is a 300-mg dose administered intravenously every 4 weeks; this was initially based on the results of the Phase 2b MUSE and further confirmed in the Phase 3 TULIP-1 and TULIP-2 trials, in which anifrolumab 300-mg treatment was associated with clinically meaningful improvements in disease activity with an acceptable safety profile. There have been several published analyses of the pharmacokinetic and pharmacodynamic profile of anifrolumab, including a population-pharmacokinetic analysis of 5 clinical studies of healthy volunteers and patients with SLE, in which body weight and type I IFN gene expression were significant covariates identified for anifrolumab exposure and clearance. Additionally, the pooled Phase 3 SLE population has been used to evaluate how serum exposure may be related to clinical responses, safety risks, and pharmacodynamic effects of the 21-gene type I IFN gene signature (21-IFNGS). The relevance of 21-IFNGS with regard to clinical efficacy outcomes has also been analyzed. Herein, the clinical pharmacokinetics, pharmacodynamics, and immunogenicity of anifrolumab as well as results of population-pharmacokinetics and exposure-response analyses are reviewed.
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Affiliation(s)
- Weifeng Tang
- Clinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA.
| | - Raj Tummala
- Clinical Development, Late Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Joachim Almquist
- Clinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | - Michael Hwang
- Clinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, South San Francisco, CA, USA
| | - Wendy I White
- Clinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - David W Boulton
- Clinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Alexander MacDonald
- Clinical Pharmacology & Quantitative Pharmacology, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, Cambridge, UK
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Corbin D, Christian L, Rapp CM, Liu L, Rohan CA, Travers JB. New concepts on abnormal UV reactions in systemic lupus erythematosus and a screening tool for assessment of photosensitivity. Skin Res Technol 2023; 29:e13247. [PMID: 36973991 PMCID: PMC10059080 DOI: 10.1111/srt.13247] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 11/11/2022] [Indexed: 03/09/2023]
Affiliation(s)
- Danielle Corbin
- Department of Pharmacology & ToxicologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
| | - Lea Christian
- Department of Pharmacology & ToxicologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
| | - Christine M. Rapp
- Department of Pharmacology & ToxicologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
| | - Langni Liu
- Department of Pharmacology & ToxicologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
| | - Craig A. Rohan
- Department of Pharmacology & ToxicologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
- Department of DermatologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
- Department of Medicine (Dermatology)Dayton Veterans Administration Medical CenterDaytonOhioUSA
| | - Jeffrey B. Travers
- Department of Pharmacology & ToxicologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
- Department of DermatologyBoonshoft School of Medicine at Wright State UniversityDaytonOhioUSA
- Department of Medicine (Dermatology)Dayton Veterans Administration Medical CenterDaytonOhioUSA
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44
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Viengkhou B, Hofer MJ. Breaking down the cellular responses to type I interferon neurotoxicity in the brain. Front Immunol 2023; 14:1110593. [PMID: 36817430 PMCID: PMC9936317 DOI: 10.3389/fimmu.2023.1110593] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/25/2023] [Indexed: 02/05/2023] Open
Abstract
Since their original discovery, type I interferons (IFN-Is) have been closely associated with antiviral immune responses. However, their biological functions go far beyond this role, with balanced IFN-I activity being critical to maintain cellular and tissue homeostasis. Recent findings have uncovered a darker side of IFN-Is whereby chronically elevated levels induce devastating neuroinflammatory and neurodegenerative pathologies. The underlying causes of these 'interferonopathies' are diverse and include monogenetic syndromes, autoimmune disorders, as well as chronic infections. The prominent involvement of the CNS in these disorders indicates a particular susceptibility of brain cells to IFN-I toxicity. Here we will discuss the current knowledge of how IFN-Is mediate neurotoxicity in the brain by analyzing the cell-type specific responses to IFN-Is in the CNS, and secondly, by exploring the spectrum of neurological disorders arising from increased IFN-Is. Understanding the nature of IFN-I neurotoxicity is a crucial and fundamental step towards development of new therapeutic strategies for interferonopathies.
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Affiliation(s)
- Barney Viengkhou
- School of Life and Environmental Sciences and the Charles Perkins Centre, The University of Sydney, Sydney, NSW, Australia
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45
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Pan M, Yin Y, Hu T, Wang X, Jia T, Sun J, Wang Q, Meng W, Zhu J, Dai C, Hu H, Wang C. UXT attenuates the CGAS-STING1 signaling by targeting STING1 for autophagic degradation. Autophagy 2023; 19:440-456. [PMID: 35543189 PMCID: PMC9851252 DOI: 10.1080/15548627.2022.2076192] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
STING1 (stimulator of interferon response cGAMP interactor 1), the pivotal adaptor protein of CGAS (cyclic GMP-AMP synthase)-STING1 signaling, is critical for type I IFN production of innate immunity. However, excessive or prolonged activation of STING1 is associated with autoinflammatory and autoimmune diseases. Thus, preventing STING1 from over-activation is important to maintain immune homeostasis. Here, we reported that UXT (ubiquitously expressed prefoldin like chaperone), a small chaperone-like protein, was essential to prevent the excessive activation of STING1-mediated type I IFN signaling through autophagic degradation of STING1 via SQSTM1 (sequestosome 1). Upon DNA mimics or cyclic GMP-AMP (cGAMP) stimulation, UXT specifically interacted with STING1 and promoted STING1 degradation through selective macroautophagy/autophagy. Moreover, UXT was required for more efficient autophagic degradation of STING1 by facilitating the interaction of SQSTM1 and STING1. The in vivo role of UXT in attenuating the CGAS-STING1 signaling was further confirmed in the mouse model of DNA-virus infection and the TMPD (2,6,10,14-tetramethylpentadecane)-induced murine lupus model. Intriguingly, the expression of UXT was consistently impaired and exhibited a remarkable inverse correlation with type I IFN signature in the leukocytes and PBMCs (peripheral blood mononuclear cells) of several large SLE (systemic lupus erythematosus) cohorts. Importantly, the replenishment of UXT effectively suppressed the production of IFNs and ISGs in the PBMCs of SLE patients. Taken together, our study reveals a novel regulatory role of UXT in autophagic degradation of STING1 to maintain immune homeostasis. UXT might be a potential therapeutic target for alleviating aberrant type I IFNs in autoimmune diseasesAbbreviations: 3-MA: 3-methyladenine; BMDMs: bone marrow-derived macrophages; cGAMP: cyclic GMP-AMP; CGAS: cyclic gmp-amp synthase; cKO: conditional knockout; CXCL10: C-X-C motif chemokine ligand 10; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; HSV-1: herpes simplex virus type 1; HTDNA: herring testes DNA; IFIT1: interferon induced protein with tetratricopeptide repeats 1; IFNA4: interferon alpha 4; IFNB: interferon beta; IRF3: interferon regulatory factor 3; ISD: interferon stimulatory DNA; ISGs: IFN-stimulated genes; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; MEFs: mouse embryonic fibroblasts; RNA-seq: RNA sequencing; PBMCs: peripheral blood mononuclear cells; RSAD2: radical S-adenosyl methionine domain containing 2; SLE: systemic lupus erythematosus; SQSTM1: sequestosome 1; STING1: stimulator of interferon response cGAMP interactor 1; TBK1: TANK binding kinase 1; TMPD: 2,6,10,14-tetramethylpentadecane; UXT: ubiquitously expressed prefoldin like chaperone.
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Affiliation(s)
- Mingyu Pan
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Yue Yin
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Tongyu Hu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Xinxia Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Tian Jia
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Jing Sun
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Quanyi Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Wei Meng
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Juanjuan Zhu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China
| | - Chunsun Dai
- Center for Kidney Diseases, The 2nd Affiliated Hospital of Nanjing Medical University, Nanjing, China,CONTACT Chunsun Dai Center for Kidney Diseases, The 2nd Affiliated Hospital of Nanjing Medical University, 262 North Zhongshan Road, Nanjing, China
| | - Haiyang Hu
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China,Haiyang Hu State Key Laboratory of Natural Medicines, School of Life Science and Technology China Pharmaceutical University, 639 Longmian AvenueNanjingChina
| | - Chen Wang
- State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, Jiangning District, China,Chen Wang State Key Laboratory of Natural Medicines, School of Life Science and Technology China Pharmaceutical University, 639 Longmian AvenueNanjingChina
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Bruera S, Chavula T, Madan R, Agarwal SK. Targeting type I interferons in systemic lupus erythematous. Front Pharmacol 2023; 13:1046687. [PMID: 36726783 PMCID: PMC9885195 DOI: 10.3389/fphar.2022.1046687] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 12/05/2022] [Indexed: 01/18/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is a complex autoimmune disease with systemic clinical manifestations including, but not limited to, rash, inflammatory arthritis, serositis, glomerulonephritis, and cerebritis. Treatment options for SLE are expanding and the increase in our understanding of the immune pathogenesis is leading to the development of new therapeutics. Autoantibody formation and immune complex formation are important mediators in lupus pathogenesis, but an important role of the type I interferon (IFN) pathway has been identified in SLE patients and mouse models of lupus. These studies have led to the development of therapeutics targeting type I IFN and related pathways for the treatment of certain manifestations of SLE. In the current narrative review, we will discuss the role of type I IFN in SLE pathogenesis and the potential translation of these data into strategies using type I IFN as a biomarker and therapeutic target for patients with SLE.
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Affiliation(s)
- Sebastian Bruera
- Section of Immunology, Allergy and Rheumatology, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Thandiwe Chavula
- Section of Immunology, Allergy and Rheumatology, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Riya Madan
- Section of General Internal Medicine, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
| | - Sandeep K. Agarwal
- Section of Immunology, Allergy and Rheumatology, Department of Medicine, Baylor College of Medicine, Houston, TX, United States
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Regulatory T cell homeostasis: Requisite signals and implications for clinical development of biologics. Clin Immunol 2023; 246:109201. [PMID: 36470337 DOI: 10.1016/j.clim.2022.109201] [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: 09/06/2022] [Revised: 10/28/2022] [Accepted: 11/23/2022] [Indexed: 12/12/2022]
Abstract
Novel biologics are currently being tested in clinical trials for the treatment of autoimmune diseases and the prevention of transplant allograft rejection. Their premise is to deliver highly efficient immunosuppression while minimizing side-effects, as they specifically target inflammatory mediators involved in the dysregulation of the immune system. However, the pleiotropism of soluble mediators and cell-to-cell interactions with potential to exert both proinflammatory and regulatory influences on the outcome of the immune response can lead to unpredictable results. Predicting responses to biologic drugs requires mechanistic understanding of the cell type-specific effect of immune mediators. Elucidation of the central role of regulatory T cells (Treg), a small subset of T cells dedicated to immune homeostasis, in preventing the development of auto- and allo-immunity has provided a deeper understanding of the signaling pathways that govern immune tolerance. This review focuses on the requisite signals that promote Treg homeostasis and discusses the anticipated outcomes of biologics targeting these signals. Our goal is to inform and facilitate the design of cell-specific biologics that thwart T effector cells (Teff) while promoting Treg function for the treatment of autoimmune diseases and the prevention of transplant rejection.
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Harsini S, Rezaei N. Autoimmune diseases. Clin Immunol 2023. [DOI: 10.1016/b978-0-12-818006-8.00001-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Bindra J, Chopra I, Hayes K, Niewoehner J, Panaccio M, Wan GJ. Cost-Effectiveness of Acthar Gel Versus Standard of Care for the Treatment of Exacerbations in Moderate-to-Severe Systemic Lupus Erythematosus. Adv Ther 2023; 40:194-210. [PMID: 36266383 PMCID: PMC9859852 DOI: 10.1007/s12325-022-02332-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/21/2022] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Despite current standard of care (SoC), there is an unmet need for the treatment of active systemic lupus erythematosus (SLE). The study assessed the cost-effectiveness of Acthar® Gel (repository corticotropin injection) versus SoC treatment in patients with active, moderate-to-severe SLE from the US payer and societal perspectives over 2 and 3 years. METHODS Cost-effectiveness model was developed using a probabilistic cohort-level state-transition approach. Patients received Acthar Gel in an exacerbation state, and the outcomes were assessed at the end of a 3-month cycle for response achievement based on the probability of treatment success with Acthar Gel. Patients may sustain the response or experience an exacerbation. For the base case scenario, moderate-to-severe SLE was defined as British Isles Lupus Assessment Group (BILAG)-2004 ≥ 20 or SLE Disease Activity Index 2000 (SLEDAI-2K) ≥ 10 and clinical response was based on SLE responder index (SRI)-4. Clinical response, productivity loss, and utility were derived from a phase 4 SLE trial; cost and disutility estimates were sourced from the literature. RESULTS From a payer perspective, Acthar Gel versus SoC resulted in an incremental cost-effectiveness ratio (ICER) of $133,110 per quality-adjusted life-year (QALY) and $94,818 per QALY over 2 and 3 years, respectively. From a societal perspective, Acthar Gel versus SoC results in an ICER of $70,827 per QALY and $32,525 per QALY over 2 and 3 years, respectively. Results from the sensitivity and scenario analyses are consistent with those of the base case model. CONCLUSIONS Acthar Gel is a cost-effective, value-based treatment option for appropriate patients with moderate-to-severe SLE at a willingness-to-pay threshold of $150,000 over 2-3 years from the US payer and societal perspectives. Acthar Gel results in the reduction of direct medical and indirect costs.
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Affiliation(s)
- Jas Bindra
- Falcon Research Group, North Potomac, MD USA
| | | | - Kyle Hayes
- Mallinckrodt Pharmaceuticals, 53 Frontage Road, Hampton, NJ 08827 USA
| | - John Niewoehner
- Mallinckrodt Pharmaceuticals, 53 Frontage Road, Hampton, NJ 08827 USA
| | - Mary Panaccio
- Mallinckrodt Pharmaceuticals, 53 Frontage Road, Hampton, NJ 08827 USA
| | - George J. Wan
- Mallinckrodt Pharmaceuticals, 53 Frontage Road, Hampton, NJ 08827 USA
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Lichtnekert J, Anders HJ, Lech M. Lupus Nephritis: Current Perspectives and Moving Forward. J Inflamm Res 2022; 15:6533-6552. [PMID: 36483271 PMCID: PMC9726217 DOI: 10.2147/jir.s363722] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/22/2022] [Indexed: 08/07/2023] Open
Abstract
Lupus nephritis is a severe organ manifestation of systemic lupus erythematosus, and its pathogenesis involves complex etiology and mechanisms. Despite significant knowledge gains and extensive efforts put into understanding the development and relapsing disease activity, lupus nephritis remains a substantial cause of morbidity and mortality in lupus patients. Current therapies retain a significant unmet medical need regarding rates of complete response, preventing relapse of lupus nephritis, progression of chronic kidney disease to kidney failure, drug toxicity, and pill burden-related drug non-adherence. Connected to progression of chronic kidney disease are the associated risks for disabling or even lethal cardiovascular events, as well as chronic kidney disease-related secondary immunodeficiency and serious infections. In this regard, biomarkers are needed that can predict treatment response to specific drugs to enable personalized precision medicine. A series of clinical trials with innovative immunomodulatory drugs are ongoing and raise expectations for improvements in the management of lupus nephritis. Here, we review how new developments in pathogenesis connect with current and future perspectives for the management of lupus nephritis.
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Affiliation(s)
- Julia Lichtnekert
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, München, Germany
| | - Hans-Joachim Anders
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, München, Germany
| | - Maciej Lech
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, München, Germany
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