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Losada PX, Serrato L, Daza AM, Vanegas-García A, Muñoz CH, Rodriguez D, Diaz JC, Pineda R, Rojas Lopez M, Vásquez G. Circulating extracellular vesicles in Systemic Lupus Erythematosus: physicochemical properties and phenotype. Lupus Sci Med 2024; 11:e001243. [PMID: 39153822 PMCID: PMC11331945 DOI: 10.1136/lupus-2024-001243] [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: 04/27/2024] [Accepted: 07/27/2024] [Indexed: 08/19/2024]
Abstract
OBJECTIVE This study aimed to identify the physicochemical and phenotypic characteristics of circulating Extracellular Vesicles (EVs) in the plasma of patients with SLE, with or without Lupus Nephritis (LN), and their potential utility as disease biomarkers. METHODS Plasma-circulating EVs were concentrated using differential centrifugation from adult female patients (n=38) who met the 'American College of Rheumatology/European Alliance of Associations for Rheumatology 2019' criteria for SLE diagnosis with (LN) or without LN (nLN), confirmed by renal biopsy. Controls (n=18) were healthy volunteers matched by gender and similar age. The structure, size and Energy Dispersion Spectrum (EDS) of EVs were observed by electron microscopy. The surface charge and size distribution were evaluated using dynamic light scattering. The counts and phenotype of EVs from patients (SLE-EVs) and controls (Ctrl-EVs) were obtained using flow cytometry. Non-parametric statistical tests and exploratory analysis of multiple variables were performed. The discriminatory power of some variables as potential biomarkers of the disease was also evaluated. RESULTS Circulating EVs were heterogeneous in morphology and size, but SLE-EVs reached larger diameters than Ctrl-EVs (p<0.0001). Small SLE-EVs and large SLE-EVs were increased compared with Ctrl-EV (p<0.0001 and p<0.05, respectively). Likewise, patients with SLE (LN or nLN) had higher concentrations of large EVs compared with controls (p<0.001 and p<0.0001, respectively). SLE-EVs showed a different EDS (p<0.001) and were less electronegative (p<0.0001) than Ctrl-EVs. EV-CD45+, EV-CD14+ and EV-IgM+ were more frequent in patients with SLE compared with controls (p<0.001, p<0.05 and p<0.001, respectively). The concentrations of large EVs and EV-IgM+ allowed better discrimination of patients from controls. CONCLUSIONS Plasma-circulating EVs from patients with SLE with and without nephritis are increased in peripheral blood and have different physicochemical properties than controls. Characteristics of EVs such as larger size and the presence of IgM on the surface could help discriminate patients from controls.
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Affiliation(s)
- Paula X Losada
- Universidad de Antioquia Grupo de Inmunología Celular e Inmunogenética, Medellin, Colombia
| | - Lina Serrato
- Universidad de Antioquia Grupo de Inmunología Celular e Inmunogenética, Medellin, Colombia
| | - Ana María Daza
- Universidad de Antioquia Grupo de Inmunología Celular e Inmunogenética, Medellin, Colombia
| | - Adriana Vanegas-García
- Grupo de Reumatología, Facultad de Medicina, Universidad de Antioquia, Medellin, Colombia
- Hospital San Vicente de Paúl, Medellin, Colombia
| | - Carlos H Muñoz
- Grupo de Reumatología, Facultad de Medicina, Universidad de Antioquia, Medellin, Colombia
- Sección Reumatología, Hospital San Vicente de Paúl, Medellin, Colombia
| | | | | | | | - Mauricio Rojas Lopez
- Universidad de Antioquia Grupo de Inmunología Celular e Inmunogenética, Medellin, Colombia
- Unidad de Citometría de Flujo, Universidad de Antioquia, Medellin, Colombia
| | - Gloria Vásquez
- Universidad de Antioquia Grupo de Inmunología Celular e Inmunogenética, Medellin, Colombia
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Cutts Z, Patterson S, Maliskova L, Taylor KE, Ye CJ, Dall'Era M, Yazdany J, Criswell LA, Fragiadakis GK, Langelier C, Capra JA, Sirota M, Lanata CM. Cell-Specific Transposable Element and Gene Expression Analysis Across Systemic Lupus Erythematosus Phenotypes. ACR Open Rheumatol 2024. [PMID: 39143499 DOI: 10.1002/acr2.11713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 03/06/2024] [Accepted: 06/04/2024] [Indexed: 08/16/2024] Open
Abstract
OBJECTIVE There is an established yet unexplained link between interferon (IFN) and systemic lupus erythematosus (SLE). The expression of sequences derived from transposable elements (TEs) may contribute to SLE phenotypes, specifically production of type I IFNs and generation of autoantibodies. METHODS We profiled cell-sorted RNA-sequencing data (CD4+ T cells, CD14+ monocytes, CD19+ B cells, and natural killer cells) from peripheral blood mononuclear cells of 120 patients with SLE and quantified TE expression identifying 27,135 TEs. We tested for differential TE expression across 10 SLE phenotypes, including autoantibody production and disease activity. RESULTS We found 731 differentially expressed (DE) TEs across all SLE phenotypes that were mostly cell specific and phenotype specific. DE TEs were enriched for specific families and open reading frames of viral genes encoded in TE sequences. Increased expression of DE TEs was associated with genes involved in antiviral activity, such as LY6E, ISG15, and TRIM22, and pathways such as IFN signaling. CONCLUSION These findings suggest that expression of TEs contributes to activation of SLE-related mechanisms in a cell-specific manner, which can impact disease diagnostics and therapeutics.
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Affiliation(s)
- Zachary Cutts
- University of California, San Francisco, San Francisco
| | | | | | | | | | | | | | | | | | | | - John A Capra
- University of California, San Francisco, San Francisco
| | - Marina Sirota
- University of California, San Francisco, San Francisco
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Zhao G, Wang X, Lei H, Ruan N, Yuan B, Tang S, Ni N, Zuo Z, Xun L, Luo M, Zhao Q, Qi J, Fu P. Serum HMGB-1 released by ferroptosis and necroptosis as a novel potential biomarker for systemic lupus erythematosus. Int Immunopharmacol 2024; 140:112886. [PMID: 39128419 DOI: 10.1016/j.intimp.2024.112886] [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: 06/10/2024] [Revised: 07/16/2024] [Accepted: 08/04/2024] [Indexed: 08/13/2024]
Abstract
High mobility group box proterin-1 (HMGB-1) is a multifunctional protein that can be released by various programmed cell deaths (PCDs), such as necroptosis and ferroptosis. PCDs play a critical role in the pathogenesis of systemic lupus erythematosus (SLE). However, the role of HMGB-1 in the process of SLE remains unclear. This study aims to demonstrate the potential diagnosing role of serum HMGB-1 in SLE that released by necroptosis and ferroptosis. We found that the serum levels of HMGB-1, receptor-interacting protein kinase 3 (RIPK3) /mixed lineage kinase domain-like protein (MLKL) related with necroptosis, and metabolites associated with ferroptosis were significantly upregulated in SLE patients compared to HC individuals. These serum levels were positively correlated with SLE disease activity. Additionally, the serum level of HMGB-1 showed a strong positive correlated with the levels of RIPK3/MLKL and ferroptosis metabolites. Moreover, the serum level of HMGB-1 was correlated with renal involvement and high-antinuclear antibodies (ANA) titer. After SLE serum and interferon γ (IFN-γ) treatment in vitro, the level of necroptosis and ferroptosis markers were activated and HMGB1 was released both in HEK293 and HK2 cells. Clinically, HMGB-1 was considered as a significant independent risk factor in SLE serum by binary logistic assay. Notably, HMGB-1 exhibited outstanding diagnostic ability for SLE by the area under the curve (AUC) in receiver operating characteristic (ROC) curve analysis. Taken together, our study indicates that the serum level of HMGB-1 is a promising biomarker for the diagnosis and monitoring of SLE.
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Affiliation(s)
- Guowang Zhao
- Department of Rheumatology and Clinical Immunology, The Second Affiliated Hospital of Kunming Medical University, Yunnan Province, Kunming 650101, China
| | - Xingzi Wang
- Department of Nephrology, Yueyang Central Hospital, Hunan Province, Yueyang 414000, China
| | - Hongtao Lei
- School of Public Health, Kunming Medical University, Yunnan Province, Kunmin 650500, China
| | - Ni Ruan
- Department of Rheumatology and Clinical Immunology, The Second Affiliated Hospital of Kunming Medical University, Yunnan Province, Kunming 650101, China
| | - Bo Yuan
- Department of organ transplantation department, The First Affiliated Hospital of Kunming Medical University, Yunnan Province, Kunmin 650033, China
| | - Songbiao Tang
- Department of Rheumatology, Yueyang Central Hospital, Hunan Province, Yueyang 414000, China
| | - Nan Ni
- Department of Rheumatology and Clinical Immunology, The Second Affiliated Hospital of Kunming Medical University, Yunnan Province, Kunming 650101, China
| | - Zan Zuo
- Department of Gastroenterology, First People's Hospital of Yunnan Province, Yunnan Province, Kunming 650033, China
| | - Linting Xun
- Department of Gastroenterology, First People's Hospital of Yunnan Province, Yunnan Province, Kunming 650033, China
| | - Mei Luo
- Department of Gastroenterology, First People's Hospital of Yunnan Province, Yunnan Province, Kunming 650033, China
| | - Qiuyan Zhao
- Department of Gastroenterology, First People's Hospital of Qujing, Yunnan Province, Qujing, China.
| | - Jialong Qi
- Department of Gastroenterology, First People's Hospital of Yunnan Province, Yunnan Province, Kunming 650033, China; Yunnan Provincial Key Laboratory of Clinical Virology, The First People's Hospital of Yunnan Province, Kunming, Yunnan,650032, China; Yunnan Provincial Key Laboratory of Birth Defects and Genetic Diseases, First People's Hospital of Yunnan Province, Kunming, Yunnan, 650032, China; Yunnan Clinical Research Center for Geriatric Disorders, The First People's Hospital of Yunnan Province, Kunming University of Science and Technology, Kunming, Yunnan, 650032, China.
| | - Ping Fu
- Department of Rheumatology and Clinical Immunology, The Second Affiliated Hospital of Kunming Medical University, Yunnan Province, Kunming 650101, China.
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Stojkic I, Harper L, Coss S, Kallash M, Driest K, Lamb M, Ardoin SP, Akoghlanian S. CAR T cell therapy for refractory pediatric systemic lupus erythematosus: a new era of hope? Pediatr Rheumatol Online J 2024; 22:72. [PMID: 39118067 PMCID: PMC11308704 DOI: 10.1186/s12969-024-00990-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/05/2024] [Indexed: 08/10/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune condition that can affect multiple organ systems and is heterogenous in its presentation and response to therapy. When diagnosed in childhood, SLE is associated with increased morbidity and mortality compared to adult SLE, often requiring substantial immunosuppression with the risk of significant side effects. There remains a significant unmet need for new therapies that can improve disease control and reduce glucocorticoid and other toxic medication exposure for patients with severe or refractory disease. The pathogenesis of SLE involves B cell dysregulation and autoantibody production, which are a hallmark of the disease. Currently approved B cell directed therapies often result in incomplete B cell depletion and may not target long-lived plasma cells responsible for SLE autoantibodies. It is hypothesized that by persistently eliminating both B cells and plasmablasts, CAR T therapy can halt autoimmunity and prevent organ damage in patient's refractory to current B cell-depleting treatments. Herein we summarize the current preclinical and clinical data utilizing CAR T cells for SLE and discuss the future of this treatment modality for lupus.
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Affiliation(s)
- Ivana Stojkic
- Division of Pediatric Rheumatology, Nationwide Children's Hospital, Columbus, OH, 46205, USA.
| | - Lauren Harper
- Division of Pediatric Rheumatology, Nationwide Children's Hospital, Columbus, OH, 46205, USA
| | - Samantha Coss
- Division of Pediatric Rheumatology, Nationwide Children's Hospital, Columbus, OH, 46205, USA
| | - Mahmoud Kallash
- Division of Nephrology, Nationwide Children's Hospital, Columbus, OH, USA
| | - Kyla Driest
- Division of Pediatric Rheumatology, Nationwide Children's Hospital, Columbus, OH, 46205, USA
| | - Margaret Lamb
- Division of Hematology and Oncology, Nationwide Children's Hospital, Columbus, OH, USA
| | - Stacy P Ardoin
- Division of Pediatric Rheumatology, Nationwide Children's Hospital, Columbus, OH, 46205, USA
| | - Shoghik Akoghlanian
- Division of Pediatric Rheumatology, Nationwide Children's Hospital, Columbus, OH, 46205, USA
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Ai M, Zhou X, Carrer M, Jafar-nejad P, Li Y, Gades N, Alexander M, Bautista MA, Garcia AAD, Zeng H. Targeting mechanistic target of rapamycin complex 2 attenuates immunopathology in Systemic Lupus Erythematosus. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.01.606069. [PMID: 39131369 PMCID: PMC11312597 DOI: 10.1101/2024.08.01.606069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 08/13/2024]
Abstract
Objective We aim to explore the role of mechanistic target of rapamycin complex (mTORC) 2 in systemic lupus erythematosus (SLE) development, the in vivo regulation of mTORC2 by type I interferon (IFN) signaling in autoimmunity, and to use mTORC2 targeting therapy to ameliorate lupus-like symptoms in an in vivo lupus mouse model and an in vitro coculture model using human PBMCs. Method We first induced lupus-like disease in T cell specific Rictor, a key component of mTORC2, deficient mice by topical application of imiquimod (IMQ) and monitored disease development. Next, we investigated the changes of mTORC2 signaling and immunological phenotypes in type I IFNAR deficient Lpr mice. We then tested the beneficial effects of anti-Rictor antisense oligonucleotide (Rictor-ASO) in a mouse model of lupus: MRL/lpr mice. Finally, we examined the beneficial effects of RICTOR-ASO on SLE patients' PBMCs using an in vitro T-B cell coculture assay. Results T cell specific Rictor deficient mice have reduced age-associated B cells, plasma cells and germinal center B cells, and less autoantibody production than WT mice following IMQ treatment. IFNAR1 deficient Lpr mice have reduced mTORC2 activity in CD4+ T cells accompanied by restored CD4+ T cell glucose metabolism, partially recovered T cell trafficking, and reduced systemic inflammation. In vivo Rictor-ASO treatment improves renal function and pathology in MRL/lpr mice, along with improved immunopathology. In human SLE (N = 5) PBMCs derived T-B coculture assay, RICTOR-ASO significantly reduce immunoglobulin and autoantibodies production (P < 0.05). Conclusion Targeting mTORC2 could be a promising therapeutic for SLE.
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Affiliation(s)
- Minji Ai
- Division of Rheumatology, Department of Medicine, Mayo Clinic Rochester, MN, USA
| | - Xian Zhou
- Division of Rheumatology, Department of Medicine, Mayo Clinic Rochester, MN, USA
| | | | | | - Yanfeng Li
- Division of Rheumatology, Department of Medicine, Mayo Clinic Rochester, MN, USA
| | - Naomi Gades
- Department of Comparative Medicine, Mayo Clinic Arizona, USA
| | - Mariam Alexander
- Division of Laboratory Medicine and Pathology, Mayo Clinic Rochester, MN, USA
| | - Mario A. Bautista
- Division of Rheumatology, Department of Medicine, Mayo Clinic Rochester, MN, USA
| | - Ali A. Duarte Garcia
- Division of Rheumatology, Department of Medicine, Mayo Clinic Rochester, MN, USA
| | - Hu Zeng
- Division of Rheumatology, Department of Medicine, Mayo Clinic Rochester, MN, USA
- Department of Immunology, Mayo Clinic Rochester, MN, USA
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6
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Lai JH, Wu DW, Huang CY, Hung LF, Wu CH, Ho LJ. USP18 induction regulates immunometabolism to attenuate M1 signal-polarized macrophages and enhance IL-4-polarized macrophages in systemic lupus erythematosus. Clin Immunol 2024; 265:110285. [PMID: 38880201 DOI: 10.1016/j.clim.2024.110285] [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: 03/26/2024] [Revised: 06/08/2024] [Accepted: 06/13/2024] [Indexed: 06/18/2024]
Abstract
Effective treatment of systemic lupus erythematosus (SLE) remains an unmet need. Different subsets of macrophages play differential roles in SLE and the modulation of macrophage polarization away from M1 status is beneficial for SLE therapeutics. Given the pathogenic roles of type I interferons (IFN-I) in SLE, this study investigated the effects and mechanisms of a mitochondria localization molecule ubiquitin specific peptidase 18 (USP18) preserving anti-IFN effects and isopeptidase activity on macrophage polarization. After observing USP18 induction in monocytes from SLE patients, we studied mouse bone marrow-derived macrophages and showed that USP18 deficiency increased M1signal (LPS + IFN-γ treatment)-induced macrophage polarization, and the effects involved the induction of glycolysis and mitochondrial respiration and the expression of several glycolysis-associated enzymes and molecules, such as hypoxia-inducible factor-1α. Moreover, the effects on mitochondrial activities, such as mitochondrial DNA release and mitochondrial reactive oxygen species production were observed. In contrast, the overexpression of USP18 inhibited M1signal-mediated and enhanced interleukin-4 (IL-4)-mediated polarization of macrophages and the related cellular events. Moreover, the levels of USP18 mRNA expression showed tendency of correlation with the expression of metabolic enzymes in monocytes from patients with SLE. We thus concluded that by preserving anti-IFN effect and downregulating M1 signaling, promoting USP18 activity may serve as a useful approach for SLE therapeutics.
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Affiliation(s)
- Jenn-Haung Lai
- Department of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Lin-Kou, Tao-Yuan, Taiwan, ROC; Graduate Institute of Clinical Research, National Defense Medical Center, Taipei, Taiwan, ROC.
| | - De-Wei Wu
- Department of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Lin-Kou, Tao-Yuan, Taiwan, ROC
| | - Chuan-Yueh Huang
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC
| | - Li-Feng Hung
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC
| | - Chien-Hsiang Wu
- Department of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Lin-Kou, Tao-Yuan, Taiwan, ROC
| | - Ling-Jun Ho
- Institute of Cellular and System Medicine, National Health Research Institute, Zhunan, Taiwan, ROC.
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Rowczenio D, Aksentijevich I. Genetic Approaches to Study Rheumatic Diseases and Its Implications in Clinical Practice. Arthritis Rheumatol 2024; 76:1169-1181. [PMID: 38433603 DOI: 10.1002/art.42841] [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: 10/31/2023] [Revised: 01/17/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
Patients with rare and complex rheumatic diseases (RDs) present with immense clinical variability inherent to all immunologic diseases. In addition to systemic and organ-specific inflammation, patients may display features of immunodeficiency or allergy, which may represent major diagnostic and therapeutic challenges. The person's genetic architecture has been a well-established risk factor for patients with RDs, albeit to variable degrees. Patients with early-onset diseases and/or positive family history (FH) have a strong genetic component, whereas patients with late-onset RDs demonstrate a more complex interplay of genetic and environmental risk factors. Overall, the genetic studies in patients with RDs have been instrumental to our understanding of innate and adaptive immunity in human health and disease. The elucidation of the molecular causes underlying rare diseases has played a major role in the identification of genes that are critical in the regulation of inflammatory responses. In addition, studies of patients with rare disorders may help determine the mechanisms of more complex autoimmune diseases by identifying variants with small effect sizes in the same genes. In contrast, studies of patients with common RDs are conducted in cohorts of patients with well-established phenotypes and ancestry-matched controls, and they aim to discover disease-related pathways that can inform the development of novel targeted therapies. Knowing the genetic cause of a disease has helped patients and families understand the disease progression and outcome. Here, we discuss the current understanding of genetic heritability and challenges in the diagnosis of RDs in patients and how this field may develop in the future.
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Lu J, Yu M, Xu R. Cross-sectional survey to determine fatigue in patients with systemic lupus erythematosus. Front Psychol 2024; 15:1376257. [PMID: 39144603 PMCID: PMC11323392 DOI: 10.3389/fpsyg.2024.1376257] [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: 01/25/2024] [Accepted: 07/09/2024] [Indexed: 08/16/2024] Open
Abstract
Background Fatigue is a prevalent symptom among individuals with active systemic lupus erythematosus (SLE). We aimed to investigate the status quo and influencing factors of fatigue in patients with SLE, to provide insights to the clinical SLE treatment and care. Methods We conducted a longitudinal survey on the fatigue of active SLE patients from June 2022 to November 2023 in our hospital. Fatigue severity scale (FSS), Self-rating Anxiety Scale (SAS) and Self-Rating Depression Scale (SDS) were used for data collection. Pearson correlation and multiple stepwise regression analysis were conducted to analyze the relevant factors affecting the fatigue level of patients with SLE. Results A total of 212 active SLE patients were included, the incidence of fatigue in active SLE patients was 55.66%. There were statistical differences in the fatigue score between SLE patients with different age and course of SLE (all p < 0.05). Fatigue was positively correlated with anxiety (r = 0.559) and depression (r = 0.591) in patients with SLE (all p < 0.05). Multiple stepwise regression analysis indicated that age, course of SLE, anxiety and depression were the influencing factors of fatigue in SLE patients (all p < 0.05). Conclusion Patients with SLE exhibit a significant degree of fatigue, which varies with respect to age, disease duration, and the presence of comorbid anxiety and depression. It is imperative that healthcare providers closely monitor the fatigue levels in this patient population and implement targeted interventions to mitigate the impact of fatigue on the quality of life and overall well-being of individuals with SLE.
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Affiliation(s)
| | - Minmin Yu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Rong Xu
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China
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Yang G, Li M, Zhang Y, Li X, Xin T, Hao J. Mechanisms of Rehmannioside A Against Systemic Lupus Erythematosus Based on Network Pharmacology, Molecular Docking and Molecular Dynamics Simulation. Cell Biochem Biophys 2024:10.1007/s12013-024-01435-1. [PMID: 39033091 DOI: 10.1007/s12013-024-01435-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/11/2024] [Indexed: 07/23/2024]
Abstract
The effect of rehmannioside A (ReA) on systemic lupus erythematosus (SLE) is not clear and needs further study. In this study, SLE-related targets were obtained from the DisGeNet and GeneCards databases, while ReA-related targets were obtained from the SwissTarget and SuperPred databases. A protein-protein interaction network of intersected targets was constructed using the STRING platform. After selecting the intersected targets, GO and KEGG enrichment analyses were performed via the R package "clusterProfiler". The relationships between ReA and various core targets were assessed via molecular docking, and molecular dynamics simulation was conducted for optimal core protein-compound complexes obtained by molecular docking. The top five targets in the ranking of degree value were HSP90AA1, HIF1A, PIK3CA, MTOR, and TLR4. Significant biological processes mainly included response to oxidative stress and response to reactive oxygen species. The potential pathways of ReA in the treatment of SLE mainly focused on the PI3K-Akt signaling pathway, neutrophil extracellular trap formation, and Apoptosis. Molecular docking showed that ReA had the highest binding affinity for mTOR, suggesting that mTOR is a key target of ReA against SLE. Molecular dynamics simulations revealed good binding abilities between ReA and mTOR. In conclusion, ReA exerts its effects on SLE through multiple targets and pathways, with mTOR being a key target of ReA against SLE.
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Affiliation(s)
- Guofei Yang
- Department of Dermatology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medica1 University, Guangzhou, China
| | - Mingfang Li
- Department of Dermatology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medica1 University, Guangzhou, China
| | - Ying Zhang
- Department of Dermatology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medica1 University, Guangzhou, China
| | - Xiaohui Li
- Department of Dermatology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medica1 University, Guangzhou, China
| | - Tiantian Xin
- Department of Dermatology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medica1 University, Guangzhou, China
| | - Jin Hao
- Department of Dermatology, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medica1 University, Guangzhou, China.
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Meng L, Wang Y, Yang Z, Lin S, Wang Y, Chen H, Zhao X, Chen Y. Ocular fundus changes and association with systemic conditions in systemic lupus erythematosus. Front Immunol 2024; 15:1395609. [PMID: 39091490 PMCID: PMC11291259 DOI: 10.3389/fimmu.2024.1395609] [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: 03/04/2024] [Accepted: 06/26/2024] [Indexed: 08/04/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease that affects multiple organs and systems. Ocular involvement is estimated to manifest in one-third of individuals with SLE, of which lupus retinopathy and choroidopathy represent the severe subtype accompanied by vision impairment. Advancements in multimodal ophthalmic imaging have allowed ophthalmologists to reveal subclinical microvascular and structural changes in fundus of patients with SLE without ocular manifestations. Both ocular manifestations and subclinical fundus damage have been shown to correlate with SLE disease activity and, in some patients, even precede other systemic injuries as the first presentation of SLE. Moreover, ocular fundus might serve as a window into the state of systemic vasculitis in patients with SLE. Given the similarities of the anatomy, physiological and pathological processes shared among ocular fundus, and other vital organ damage in SLE, such as kidney and brain, it is assumed that ocular fundus involvement has implications in the diagnosis and evaluation of other systemic impairments. Therefore, evaluating the fundus characteristics of patients with SLE not only contributes to the early diagnosis and intervention of potential vision damage, but also holds considerate significance for the evaluation of SLE vasculitis state and prediction of other systemic injuries.
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Affiliation(s)
- Lihui Meng
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Yinhan Wang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Zhikun Yang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Shiqun Lin
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Yuelin Wang
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Huan Chen
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Xinyu Zhao
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
| | - Youxin Chen
- Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Key Lab of Ocular Fundus Diseases, Chinese Academy of Medical Sciences, Beijing, China
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Hiraoka D, Ishizaki J, Yamanouchi J, Honda T, Niiya T, Horimoto E, Horie K, Yamasaki H, Matsumoto T, Suemori K, Hasegawa H, Takenaka K. Antiplatelet effects of hydroxychloroquine in patients with systemic lupus erythematosus evaluated by the total thrombus-formation analysis system (T-TAS). Lupus Sci Med 2024; 11:e001223. [PMID: 38977356 PMCID: PMC11256038 DOI: 10.1136/lupus-2024-001223] [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: 04/08/2024] [Accepted: 06/18/2024] [Indexed: 07/10/2024]
Abstract
OBJECTIVES Hydroxychloroquine (HCQ) has been shown to reduce thrombotic events in patients with SLE. However, the antiplatelet effects of HCQ are only supported by the platelet aggregation assay, which is a non-physiological test. The total thrombus-formation analysis system (T-TAS) is a microchip-based flow chamber system that mimics physiological conditions and allows for the quantitative analysis of thrombogenicity. The present study investigated the antiplatelet effects of HCQ using T-TAS. METHODS This was a single-centre cross-sectional study on 57 patients with SLE. We measured the area under the pressure curve for 10 min (PL-AUC10) and the time to 10 kPa (T10) in patients with SLE using T-TAS and examined their relationships with the use of HCQ. PL-AUC10 and platelet aggregation were also measured at several HCQ concentrations using blood samples from healthy donors. RESULTS PL-AUC10 was significantly lower in the HCQ/real body weight (RBW) ≥5 mg/kg group than in the <5 mg/kg group, while T10 was similar, indicating that HCQ inhibited overall thrombus formation rather than the initiation of thrombus formation. The antiplatelet effects of HCQ were initially detected at HCQ/RBW of approximately 4 mg/kg and reached a plateau at around 5.5 mg/kg. The administration of HCQ/RBW >4.6 mg/kg clearly exerted antiplatelet effects. Additionally, HCQ inhibited thrombus formation in T-TAS and the platelet aggregation response to epinephrine in a dose-dependent manner. CONCLUSIONS We demonstrated the antiplatelet effects of HCQ under conditions simulating the physiological environment by using T-TAS and identified the range of doses at which HCQ exerted antiplatelet effects.
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Affiliation(s)
- Daisuke Hiraoka
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
| | - Jun Ishizaki
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
| | - Jun Yamanouchi
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
- Division of Blood Transfusion and Cell Therapy, Ehime University Hospital, Toon, Japan
| | - Takatsugu Honda
- Clinical Laboratory Department, Ehime University Hospital, Toon, Japan
| | - Toshiyuki Niiya
- Clinical Laboratory Department, Ehime University Hospital, Toon, Japan
| | - Erika Horimoto
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
| | - Kenta Horie
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
| | | | - Takuya Matsumoto
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
| | - Koichiro Suemori
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
| | | | - Katsuto Takenaka
- Department of Hematology, Clinical Immunology and Infectious Diseases, Ehime University Graduate School of Medicine, Toon, Japan
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12
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Gao L, Zhang L, Luo J, Zhang G, Shen Y, Wang Y, Li M. Clinical characteristics of systemic lupus erythematosus patients with adrenal hemorrhage. Clin Rheumatol 2024; 43:2223-2227. [PMID: 38724818 DOI: 10.1007/s10067-024-06938-z] [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: 11/26/2023] [Revised: 02/13/2024] [Accepted: 03/13/2024] [Indexed: 06/19/2024]
Abstract
INTRODUCTION Adrenal hemorrhage (AH) is a rare condition and severe cases can lead to acute adrenal insufficiency with potentially life-threatening consequences. AH can be caused by a variety of etiologic factors, including systemic lupus erythematosus and antiphospholipid syndrome (APS). The early identification and treatment of these patients improves their prognosis. OBJECTIVE The aims of this study were to analyze and summarize the clinical characteristics of systemic lupus erythematosus patients with AH. METHODS The clinical characteristics of 6 systemic lupus erythematosus patients complicated with AH admitted to Peking Union Medical College Hospital and Beijing Shijitan Hospital from May 2004 to April 2022 were retrospectively analyzed. RESULTS The diagnosis of AH was based on computed tomography (CT) findings. Two patients had bilateral lesions, and the other 4 patients had unilateral lesions. The symptoms of adrenal insufficiency were observed in 2 patients. The frequent presenting symptoms were abdominal pain, lower abdominal distension, vomiting, weakness, fever, arthrodynia, and skin rash. Four patients had APS. Five patients (4 patients with APS and 1 patient without APS) had thromboembolic events. All patients received glucocorticoid and immunosuppressant therapy. Five patients were treated with anticoagulant therapy. Follow-up imaging examinations showed a partial or total regression of the lesions after treatment. CONCLUSIONS In the proper clinical setting, having high clinical suspicion for AH, early diagnosis and timely management is crucial to avoid life-threatening adrenal insufficiency. Key Points • AH is a rare condition and severe cases may lead to death. It can be caused by a variety of etiologic factors, including SLE. • In patients with SLE, especially combined with APS, if they complain of abdominal pain, particularly when common gastrointestinal involvement is difficult to explain, a high index of clinical suspicion is needed for the diagnosis of AH. • Early identification of AH in SLE patients can improve their prognosis.
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Affiliation(s)
- Lan Gao
- Department of Rheumatology and Clinical Immunology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Lingling Zhang
- Department of Rheumatology and Clinical Immunology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Junli Luo
- Department of Rheumatology and Clinical Immunology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Guohua Zhang
- Department of Rheumatology and Clinical Immunology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yawen Shen
- Department of Rheumatology and Clinical Immunology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yuhua Wang
- Department of Rheumatology and Clinical Immunology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China.
| | - Mengtao Li
- Department of Rheumatology and Clinical Immunology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, National Clinical Research Center for Dermatologic and Immunologic Diseases, Ministry of Science and Technology, Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education, Beijing, China.
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13
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Crow MK, Olferiev M, Kirou KA. Standing on Shoulders: Interferon Research From Viral Interference to Lupus Pathogenesis and Treatment. Arthritis Rheumatol 2024; 76:1002-1012. [PMID: 38500017 DOI: 10.1002/art.42849] [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: 11/14/2023] [Revised: 01/24/2024] [Accepted: 02/29/2024] [Indexed: 03/20/2024]
Abstract
The discovery of interferon in the 1950s represents much more than the identification of the first cytokine and the key mediator of antiviral host defense. Defining the molecular nature and complexity of the type I interferon family, as well as its inducers and molecular mechanisms of action, was the work of investigators working at the highest level and producing insights of great consequence. Current knowledge of receptor-ligand interactions, cell signaling, and transcriptional regulation derives from studies of type I interferon. It is on the shoulders of the giants who produced that knowledge that others stand and have revealed critical mechanisms of the pathogenesis of systemic lupus erythematosus and other autoimmune diseases. The design of novel therapeutics is informed by the advances in investigation of type I interferon, with the potential for important impact on patient management.
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Affiliation(s)
- Mary K Crow
- Mary Kirkland Center for Lupus Research, Hospital for Special Surgery and Weill Cornell Medicine, New York City, New York
| | - Mikhail Olferiev
- Mary Kirkland Center for Lupus Research, Hospital for Special Surgery and Weill Cornell Medicine, New York City, New York
| | - Kyriakos A Kirou
- Mary Kirkland Center for Lupus Research, Hospital for Special Surgery and Weill Cornell Medicine, New York City, New York
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14
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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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15
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Modzelewska E, Wajda A, Lutkowska A, Felis-Giemza A, Stypińska B, Matusiewicz A, Puszczewicz M, Majewski D, Jagodziński PP, Haładyj E, Paradowska-Gorycka A. Variations in the interferon and TLR3 genes may be associated with susceptibility to systemic lupus erythematosus and its clinical presentation. Immunobiology 2024; 229:152807. [PMID: 38821752 DOI: 10.1016/j.imbio.2024.152807] [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: 12/12/2023] [Revised: 02/20/2024] [Accepted: 04/23/2024] [Indexed: 06/02/2024]
Abstract
The study aimed to explore the pontential impact of 10 polymorphisms within IFN-α, IFN-β1, IFN-γ and TLR3 genes on SLE phenotype and susceptibility and to study the relationship between specific genotypes and clinics. Whole blood samples from SLE patients and healthy controls was obtained. DNA was extracted from the peripheral blood by the QIAamp DNA Blood Mini Kit (Qiagen). The quality and quantity of isolated DNA was estimated by the Quawell Q5000 spectrophotometer. We genotyped SLE patients and healthy subjects using real-time PCR (QuantStudio 5 thermocycler). The study suggests that IFN-γ rs2069705, IFN-γ rs2069718 and IFN-α rs3758236 polymorphisms have a protective role in SLE. We observed relations between TLR3 rs3775292, IFN-β1 rs7873167, IFN-γ rs2069705, TLR3 rs3775291 and TLR3 rs5743305 polymorphisms and clinical picture of SLE patients. We found associations between the IFN-α rs3758236, IFN-γ rs2069705, IFN-γ rs2069718, IFN-γ rs1861493 and IFN-β1 rs10964831 polymorphisms and the clinical manifestation of the SLE and/or its comorbidities. We perceived links between IFN-γ rs2069705, IFN-γ rs2069718, IFN-γ rs1861493, TLR3 rs3775291, TLR3 rs3775292 and TLR3 rs5743305 polymorphisms and the occurrence of autoantibodies. Our study presented the relationship between IFN and TLR gene polymorphisms with SLE susceptibility, phenotype and autoantibodies profile. This study propose that polymorphisms within interferons and TLR3 genes can be engaged in the SLE pathogenesis and course.
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Affiliation(s)
- E Modzelewska
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland.
| | - A Wajda
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland
| | - A Lutkowska
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznań, Poland
| | - A Felis-Giemza
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland
| | - B Stypińska
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland
| | - A Matusiewicz
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland
| | - M Puszczewicz
- Department of Rheumatology and Internal Diseases, Poznan University of Medical Sciences, 61-545 Poznań, Poland
| | - D Majewski
- Department of Rheumatology and Internal Diseases, Poznan University of Medical Sciences, 61-545 Poznań, Poland
| | - P P Jagodziński
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, 60-781 Poznań, Poland
| | - E Haładyj
- Eli Lilly and Company, Indianapolis, IN, USA
| | - A Paradowska-Gorycka
- Department of Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, 02-637 Warsaw, Poland
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16
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Chen X, Wu Y, Jia S, Zhao M. Fibroblast: A Novel Target for Autoimmune and Inflammatory Skin Diseases Therapeutics. Clin Rev Allergy Immunol 2024:10.1007/s12016-024-08997-1. [PMID: 38940997 DOI: 10.1007/s12016-024-08997-1] [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] [Accepted: 06/21/2024] [Indexed: 06/29/2024]
Abstract
Fibroblasts are crucial components of the skin structure. They were traditionally believed to maintain the skin's structure by producing extracellular matrix and other elements. Recent research illuminated that fibroblasts can respond to external stimuli and exhibit diverse functions, such as the secretion of pro-inflammatory factors, adipogenesis, and antigen presentation, exhibiting remarkable heterogeneity and plasticity. This revelation positions fibroblasts as active contributors to the pathogenesis of skin diseases, challenging the traditional perspective that views fibroblasts solely as structural entities. Based on their diverse functions, fibroblasts can be categorized into six subtypes: pro-inflammatory fibroblasts, myofibroblasts, adipogenic fibroblasts, angiogenic fibroblasts, mesenchymal fibroblasts, and antigen-presenting fibroblasts. Cytokines, metabolism, and epigenetics regulate functional abnormalities in fibroblasts. The dynamic changes fibroblasts exhibit in different diseases and disease states warrant a comprehensive discussion. We focus on dermal fibroblasts' aberrant manifestations and pivotal roles in inflammatory and autoimmune skin diseases, including psoriasis, vitiligo, lupus erythematosus, scleroderma, and atopic dermatitis, and propose targeting aberrantly activated fibroblasts as a potential therapeutic strategy for inflammatory and autoimmune skin diseases.
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Affiliation(s)
- Xiaoyun Chen
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Yutong Wu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha, 410011, China
| | - Sujie Jia
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China.
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China.
| | - Ming Zhao
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha, 410011, China.
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China.
- Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, China.
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17
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Wang B, Wang H, Huang J, Zhao T. Association between Unsaturated Fatty Acid-Type Diet and Systemic Lupus Erythematosus: A Systematic Review with Meta-Analyses. Nutrients 2024; 16:1974. [PMID: 38931327 PMCID: PMC11206385 DOI: 10.3390/nu16121974] [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: 05/23/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND Systemic lupus erythematosus (SLE) is a complex autoimmune disorder that affects multiple organ systems, with a higher prevalence among women in their reproductive years. The disease's multifactorial etiology involves genetic, environmental, and hormonal components. Recent studies have highlighted the potential impact of dietary factors, particularly unsaturated fatty acids, on the modulation of SLE due to their anti-inflammatory properties. This meta-analysis aims to evaluate the association between unsaturated fatty acid consumption and the risk, progression, and clinical manifestations of SLE, providing evidence-based guidance for dietary management. METHODS We conducted a comprehensive search across major medical databases up to January 2024, focusing on studies that examined the intake of unsaturated fatty acids and the impact of such intake on SLE. Using the PICOS (population, intervention, comparator, outcomes, study design) framework, we included randomized controlled trials and case-control studies, assessing outcomes such as SLE activity, measured by SLE Disease Activity Index (SLEDAI) or the British Isles Lupus Assessment Group (BILAG) index, inflammation biomarkers. Studies were analyzed using either a fixed- or random-effects model based on heterogeneity (I2 statistic), with sensitivity analyses performed to assess the robustness of the findings. RESULTS Our search included 10 studies, encompassing a wide variety of designs and populations. The meta-analysis showed that a diet rich in unsaturated fatty acids is significantly associated with a reduction in SLEDAI scores (pooled SMD) of -0.36, 95% CI: -0.61 to -0.11, p = 0.007, indicating a beneficial effect on disease activity. Additionally, we found that unsaturated fatty acid intake has a significant impact on HDL levels, suggesting a positive effect on lipid profiles. However, no significant effects were observed on levels of the inflammatory marker IL-6 or other lipid components (LDL and cholesterol). With minimal heterogeneity among studies (I2 ≤ 15%), sensitivity analysis confirmed the stability and reliability of these results, highlighting the potential role of unsaturated fatty acids in SLE management. CONCLUSIONS This meta-analysis suggests that dietary intake of unsaturated fatty acids may play a positive role in reducing SLE activity and may significantly affect HDL levels without having significant effects on inflammation markers or other lipid profiles. These findings support the inclusion of unsaturated fatty acids in the dietary management of SLE patients, although further research is required to refine dietary recommendations and explore the mechanisms underlying these associations.
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Affiliation(s)
- Bozhou Wang
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.W.); (H.W.); (J.H.)
| | - Hanzheng Wang
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.W.); (H.W.); (J.H.)
| | - Jinge Huang
- The First School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310053, China; (B.W.); (H.W.); (J.H.)
| | - Ting Zhao
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, Research Institute of Chinese Medical Clinical Foundation and Immunology, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou 310053, China
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18
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Cao S, Jiang J, Yin H, Wang L, Lu Q. Abnormal energy metabolism in the pathogenesis of systemic lupus erythematosus. Int Immunopharmacol 2024; 134:112149. [PMID: 38692019 DOI: 10.1016/j.intimp.2024.112149] [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: 03/18/2024] [Revised: 04/20/2024] [Accepted: 04/21/2024] [Indexed: 05/03/2024]
Abstract
Systemic lupus erythematosus (SLE) is a severe autoimmune disease with significant socioeconomic impact worldwide. Orderly energy metabolism is essential for normal immune function, and disordered energy metabolism is increasingly recognized as an important contributor to the pathogenesis of SLE. Disorders of energy metabolism are characterized by increased reactive oxygen species, ATP deficiency, and abnormal metabolic pathways. Oxygen and mitochondria are critical for the production of ATP, and both mitochondrial dysfunction and hypoxia affect the energy production processes. In addition, several signaling pathways, including mammalian target of rapamycin (mTOR)/adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) signaling and the hypoxia-inducible factor (HIF) pathway also play important regulatory roles in energy metabolism. Furthermore, drugs with clear clinical effects on SLE, such as sirolimus, metformin, and tacrolimus, have been proven to improve the disordered energy metabolism of immune cells, suggesting the potential of targeting energy metabolism for the treatment of SLE. Moreover, several metabolic modulators under investigation are expected to have potential therapeutic effects in SLE. This review aimed to gain insights into the role and mechanism of abnormal energy metabolism in the pathogenesis of SLE, and summarizes the progression of metabolic modulator in the treatment of SLE.
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Affiliation(s)
- Shumei Cao
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
| | - Jiao Jiang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China
| | - Haoyuan Yin
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China
| | - Lai Wang
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China.
| | - Qianjin Lu
- Hospital for Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, 210042, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Chinese Academy of Medical Sciences, Nanjing, 210042, China; Jiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIs, Nanjing, China; Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital, Central South University, Changsha, 410011, China.
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19
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Chen Y, Li Z, Gao Y, Xu B, Zhang W, Wu IXY. Fish oil supplementation and risk of incident systemic lupus erythematosus: a large population-based prospective study. Nutr J 2024; 23:63. [PMID: 38862999 PMCID: PMC11167923 DOI: 10.1186/s12937-024-00965-x] [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: 01/12/2024] [Accepted: 06/03/2024] [Indexed: 06/13/2024] Open
Abstract
BACKGROUND Although fish oil has been considered to have an anti-inflammatory effect and has been proven to play a beneficial role in the incidence of numerous diseases, the association between fish oil supplementation and the risk of systemic lupus erythematosus (SLE) is still unknown. This study aimed at evaluating the correlation between fish oil use and incident SLE in a large population-based prospective cohort. METHODS 390,277 participants without SLE at baseline from the UK Biobank were enrolled. Fish oil use was ascertained through a touchscreen questionnaire at baseline. The incidence of SLE was identified by the International Classification of Diseases version 10 code in medical records or self-report. Cox proportional hazard models were employed to estimate the association between fish oil use and SLE risk. RESULTS Fish oil users accounted for 31.47% of participants. During a median follow-up duration of 11.57 years, 141 participants without fish oil use (4.56/100 000 person-years) and 68 participants with fish oil use (4.78/100 000 person-years) developed SLE. In four models with adjustments for different amounts of confounders, there was no significant difference in the risk of SLE between fish oil users and fish oil non-users (all p-values > 0.05). In subgroup analyses, we found that fish oil supplementation was associated with a lower risk of SLE among females with ultraviolet radiation ≥ 3 h/day (hazard ratio: 0.63, 95% confidence interval: 0.40-0.98), which turned insignificant after further adjustment for female-related factors and sun protection measures. CONCLUSIONS No significant association between fish oil use and overall incident SLE was observed, except in females exposed to prolonged ultraviolet radiation. Subgroup analysis suggested that females exposed to prolonged ultraviolet radiation might benefit from fish oil supplementation in terms of preventing SLE, but it needs to be confirmed in further studies.
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Affiliation(s)
- Yancong Chen
- Changsha Center for Disease Control and Prevention, Changsha, 410004, Hunan, China
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, No. 172, Tongzipo Road, Yuelu District, Changsha, 410006, Hunan, China
| | - Zhilan Li
- Department of Rheumatology and Immunology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Yinyan Gao
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, No. 172, Tongzipo Road, Yuelu District, Changsha, 410006, Hunan, China
| | - Boya Xu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, No. 172, Tongzipo Road, Yuelu District, Changsha, 410006, Hunan, China
| | - Weiru Zhang
- Department of General Medicine, Xiangya Hospital, Central South University, No. 87 Xiangya Road, Kaifu District, Changsha, 410008, Hunan, China.
| | - Irene X Y Wu
- Department of Epidemiology and Health Statistics, Xiangya School of Public Health, Central South University, No. 172, Tongzipo Road, Yuelu District, Changsha, 410006, Hunan, China.
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Central South University, Changsha, 410006, Hunan, China.
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20
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Nian Z, Mao Y, Xu Z, Deng M, Xu Y, Xu H, Chen R, Xu Y, Huang N, Mao F, Xu C, Wang Y, Niu M, Chen A, Xue X, Zhang H, Guo G. Multi-omics analysis uncovered systemic lupus erythematosus and COVID-19 crosstalk. Mol Med 2024; 30:81. [PMID: 38862942 PMCID: PMC11167821 DOI: 10.1186/s10020-024-00851-6] [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: 04/01/2024] [Accepted: 05/31/2024] [Indexed: 06/13/2024] Open
Abstract
BACKGROUND Studies have highlighted a possible crosstalk between the pathogeneses of COVID-19 and systemic lupus erythematosus (SLE); however, the interactive mechanisms remain unclear. We aimed to elucidate the impact of COVID-19 on SLE using clinical information and the underlying mechanisms of both diseases. METHODS RNA-seq datasets were used to identify shared hub gene signatures between COVID-19 and SLE, while genome-wide association study datasets were used to delineate the interaction mechanisms of the key signaling pathways. Finally, single-cell RNA-seq datasets were used to determine the primary target cells expressing the shared hub genes and key signaling pathways. RESULTS COVID-19 may affect patients with SLE through hematologic involvement and exacerbated inflammatory responses. We identified 14 shared hub genes between COVID-19 and SLE that were significantly associated with interferon (IFN)-I/II. We also screened and obtained four core transcription factors related to these hub genes, confirming the regulatory role of the IFN-I/II-mediated Janus kinase/signal transducers and activators of transcription (JAK-STAT) signaling pathway on these hub genes. Further, SLE and COVID-19 can interact via IFN-I/II and IFN-I/II receptors, promoting the levels of monokines, including interleukin (IL)-6/10, tumor necrosis factor-α, and IFN-γ, and elevating the incidence rate and risk of cytokine release syndrome. Therefore, in SLE and COVID-19, both hub genes and core TFs are enriched within monocytes/macrophages. CONCLUSIONS The interaction between SLE and COVID-19 promotes the activation of the IFN-I/II-triggered JAK-STAT signaling pathway in monocytes/macrophages. These findings provide a new direction and rationale for diagnosing and treating patients with SLE-COVID-19 comorbidity.
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Affiliation(s)
- Zekai Nian
- Second Clinical College, Wenzhou Medical University, Wenzhou, China
| | - Yicheng Mao
- Ophthalmology College, Wenzhou Medical University, Wenzhou, China
| | - Zexia Xu
- Department of Nephrology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Ming Deng
- Public Health and Management College, Wenzhou Medical University, Wenzhou, China
| | - Yixi Xu
- School of Public Administration, Hangzhou Normal University, Hangzhou, China
| | - Hanlu Xu
- Ophthalmology College, Wenzhou Medical University, Wenzhou, China
| | - Ruoyao Chen
- Second Clinical College, Wenzhou Medical University, Wenzhou, China
| | - Yiliu Xu
- Research Center of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang, China
| | - Nan Huang
- Public Health and Management College, Wenzhou Medical University, Wenzhou, China
| | - Feiyang Mao
- Second Clinical College, Wenzhou Medical University, Wenzhou, China
| | - Chenyu Xu
- Wenzhou Collaborative Innovation Center of Gastrointestinal Cancer in Basic Research and Precision Medicine, Wenzhou Key Laboratory of Cancer-Related Pathogens and Immunity, Department of Microbiology and Immunology, Institute of Molecular Virology and Immunology, Institute of Tropical Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Yulin Wang
- Public Health and Management College, Wenzhou Medical University, Wenzhou, China
| | - Mengyuan Niu
- Wenzhou Collaborative Innovation Center of Gastrointestinal Cancer in Basic Research and Precision Medicine, Wenzhou Key Laboratory of Cancer-Related Pathogens and Immunity, Department of Microbiology and Immunology, Institute of Molecular Virology and Immunology, Institute of Tropical Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Aqiong Chen
- Department of Rheumatology, Ningbo Medical Center Lihuili Hospital, Ningbo, China
| | - Xiangyang Xue
- Wenzhou Collaborative Innovation Center of Gastrointestinal Cancer in Basic Research and Precision Medicine, Wenzhou Key Laboratory of Cancer-Related Pathogens and Immunity, Department of Microbiology and Immunology, Institute of Molecular Virology and Immunology, Institute of Tropical Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Huidi Zhang
- Department of Nephrology, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China.
| | - Gangqiang Guo
- Wenzhou Collaborative Innovation Center of Gastrointestinal Cancer in Basic Research and Precision Medicine, Wenzhou Key Laboratory of Cancer-Related Pathogens and Immunity, Department of Microbiology and Immunology, Institute of Molecular Virology and Immunology, Institute of Tropical Medicine, School of Basic Medical Sciences, Wenzhou Medical University, Wenzhou, China.
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21
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Wang CR, Tsai HW, Wu IC. Systemic lupus erythematosus and autoimmune hepatitis overlap disease in a hospitalized systemic lupus erythematosus cohort. J Formos Med Assoc 2024:S0929-6646(24)00279-1. [PMID: 38851914 DOI: 10.1016/j.jfma.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 04/18/2024] [Accepted: 06/04/2024] [Indexed: 06/10/2024] Open
Abstract
Liver dysfunction in systemic lupus erythematosus (SLE) is caused by disease activity or secondary conditions like coexistent autoimmune liver diseases. In Taiwan, despite sporadically reported cases of SLE-autoimmune hepatitis (AIH) overlap disease, larger-scale monocentric investigations for such overlapping patients are not available. Retrospective analyses were performed in a hospitalized SLE cohort with 805 patients for identifying co-existent AIH from 2014 to 2023, focusing on distinct therapeutic modalities and differential diagnosis between SLE-AIH overlap and lupus hepatitis (LH). There were 5 cases (a 0.6% occurrence), all females aged 25-58 years (44 ± 13). Ages for the SLE diagnosis were 19-51 years (30 ± 13), while ages for the AIH diagnosis were 22-57 years (36 ± 14). Contradictory to interface hepatitis in SLE-AIH overlap, liver biopsy only demonstrated non-specific abnormalities in LH. Liver cirrhosis was identified in SLE-AIH overlap but not in LH. After corticosteroids/azathioprine therapy, there were normalized liver function in all LH. In 2 SLE-AIH overlap cases refractory to such therapy, one received B-cell depletion therapy (annual rituximab infusion, 375 mg/m2 weekly × 4) and another accepted living-donor liver transplantation from sibling due to advanced liver cirrhosis, leading to improved hepatic dysfunction in both.
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Affiliation(s)
- Chrong-Reen Wang
- Division of Rheumatology and Immunology, Department of Internal Medicine, Taiwan.
| | | | - I-Chin Wu
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan
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22
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Aubert A, Jung K, Hiroyasu S, Pardo J, Granville DJ. Granzyme serine proteases in inflammation and rheumatic diseases. Nat Rev Rheumatol 2024; 20:361-376. [PMID: 38689140 DOI: 10.1038/s41584-024-01109-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/15/2024] [Indexed: 05/02/2024]
Abstract
Granzymes (granule-secreted enzymes) are a family of serine proteases that have been viewed as redundant cytotoxic enzymes since their discovery more than 30 years ago. Predominantly produced by cytotoxic lymphocytes and natural killer cells, granzymes are delivered into the cytoplasm of target cells through immunological synapses in cooperation with the pore-forming protein perforin. After internalization, granzymes can initiate cell death through the cleavage of intracellular substrates. However, evidence now also demonstrates the existence of non-cytotoxic, pro-inflammatory, intracellular and extracellular functions that are granzyme specific. Under pathological conditions, granzymes can be produced and secreted extracellularly by immune cells as well as by non-immune cells. Depending on the granzyme, accumulation in the extracellular milieu might contribute to inflammation, tissue injury, impaired wound healing, barrier dysfunction, osteoclastogenesis and/or autoantigen generation.
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Affiliation(s)
- Alexandre Aubert
- International Collaboration on Repair Discoveries (ICORD) Centre; British Columbia Professional Firefighters' Burn and Wound Healing Group, Vancouver Coastal Health Research Institute; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Karen Jung
- International Collaboration on Repair Discoveries (ICORD) Centre; British Columbia Professional Firefighters' Burn and Wound Healing Group, Vancouver Coastal Health Research Institute; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sho Hiroyasu
- Department of Dermatology, Osaka Metropolitan University Graduate School of Medicine, Osaka, Japan
| | - Julian Pardo
- Fundación Instituto de Investigación Sanitaria Aragón (IIS Aragón), Biomedical Research Centre of Aragon (CIBA); Department of Microbiology, Radiology, Paediatrics and Public Health, University of Zaragoza, Zaragoza, Spain
- CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid, Spain
| | - David J Granville
- International Collaboration on Repair Discoveries (ICORD) Centre; British Columbia Professional Firefighters' Burn and Wound Healing Group, Vancouver Coastal Health Research Institute; Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
- Centre for Heart Lung Innovation, Providence Research, University of British Columbia, Vancouver, British Columbia, Canada.
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23
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Luo R, Wang J, Liu Y. Assessment of bidirectional relationships between autoimmune diseases and primary ovarian insufficiency: insights from a bidirectional two-sample Mendelian randomization analysis. Arch Gynecol Obstet 2024; 309:2853-2861. [PMID: 38551704 DOI: 10.1007/s00404-024-07482-6] [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: 12/23/2023] [Accepted: 03/15/2024] [Indexed: 06/04/2024]
Abstract
PURPOSE The simultaneous occurrence of primary ovarian insufficiency (POI) and autoimmune diseases has been noted and debated in some epidemiological research. This bidirectional two-sample Mendelian randomization (MR) study aimed to investigate the causal relationships between autoimmune diseases and POI. METHODS We obtained summary-level data for ten autoimmune diseases and POI from published large-scale genome-wide association studies and the FinnGen consortium of European ancestry. A series of filtering steps was performed to discern independent genetic variants. Causal estimates were mainly calculated by the inverse variance weighting method and verified through multiple sensitivity analyses. RESULTS Of the ten autoimmune diseases, genetically predicted Addison's disease (odds ratio [OR] = 1.26, 95% confidence interval [CI]: 1.09-1.47, P = 0.003) and systemic lupus erythematosus (OR = 1.12, 95% CI 1.02-1.24, P = 0.021) were associated with an increased risk of POI, and sensitivity analyses confirmed the robustness of the results. In addition, there were weak associations between liability to POI and elevated risks of type 1 diabetes (OR = 1.05, 95% CI 1.00-1.10, P = 0.046) and autoimmune thyroid disease (OR = 1.03, 95% CI 1.01-1.05, P = 0.015). CONCLUSION This study revealed that Addison's disease and systemic lupus erythematosus are potential risk factors for POI, underscoring the necessity to consider the impact of autoimmune factors in the diagnosis and treatment of POI.
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Affiliation(s)
- Rong Luo
- Department of Reproductive Medicine, The Affiliated Taizhou People's Hospital of Nanjing Medical University, 399 South Hailing Rd, Taizhou, 225300, People's Republic of China.
| | - Jiahui Wang
- School of Medicine, Southeast University, Nanjing, People's Republic of China
| | - Yi Liu
- School of Medicine, Southeast University, Nanjing, People's Republic of China
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24
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Sura A, Failing C, Co DO, Syverson G. Childhood-Onset Systemic Lupus Erythematosus. Pediatr Rev 2024; 45:316-328. [PMID: 38821900 DOI: 10.1542/pir.2023-006011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 12/06/2023] [Accepted: 12/11/2023] [Indexed: 06/02/2024]
Affiliation(s)
- Anjali Sura
- SUNY Upstate Medical University, Syracuse, NY
| | | | - Dominic O Co
- University of Wisconsin School of Medicine and Public Health, Madison, WI
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25
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Akatsu C, Tsuneshige T, Numoto N, Long W, Uchiumi T, Kaneko Y, Asano M, Ito N, Tsubata T. CD72 is an inhibitory pattern recognition receptor that recognizes ribosomes and suppresses production of anti-ribosome autoantibody. J Autoimmun 2024; 146:103245. [PMID: 38754236 DOI: 10.1016/j.jaut.2024.103245] [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: 01/08/2024] [Revised: 04/22/2024] [Accepted: 05/06/2024] [Indexed: 05/18/2024]
Abstract
B cell responses to nucleic acid-containing self-antigens that involve intracellular nucleic acid sensors play a crucial role in autoantibody production in SLE. CD72 is an inhibitory B cell co-receptor that down-regulates BCR signaling, and prevents the development of SLE. We previously showed that CD72 recognizes the RNA-containing self-antigen Sm/RNP, a target of SLE-specific autoantibodies, and induces B cell tolerance to Sm/RNP by specifically inhibiting B cell response to this self-antigen. Here, we address whether CD72 inhibits B cell response to ribosomes because the ribosome is an RNA-containing self-antigen and is a target of SLE-specific autoantibodies as well as Sm/RNP. We demonstrate that CD72 recognizes ribosomes as a ligand, and specifically inhibits BCR signaling induced by ribosomes. Although conventional protein antigens by themselves do not induce proliferation of specific B cells, ribosomes induce proliferation of B cells reactive to ribosomes in a manner dependent on RNA. This proliferative response is down-regulated by CD72. These results suggest that ribosomes activate B cells by inducing dual signaling through BCR and intracellular RNA sensors and that CD72 inhibits B cell response to ribosomes. Moreover, CD72-/- but not CD72+/+ mice spontaneously produce anti-ribosome autoantibodies. Taken together, CD72 induces B cell self-tolerance to ribosomes by recognizing ribosomes and inhibiting RNA-dependent B cell response to this self-antigen. CD72 appears to prevent development of SLE by inhibiting autoimmune B cell responses to multiple RNA-containing self-antigens. Because these self-antigens but not protein self-antigens induce RNA-dependent B cell activation, self-tolerance to RNA-containing self-antigens may require a distinct tolerance mechanism mediated by CD72.
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MESH Headings
- Animals
- Ribosomes/metabolism
- Ribosomes/immunology
- Mice
- Receptors, Antigen, B-Cell/metabolism
- Receptors, Antigen, B-Cell/immunology
- Autoantibodies/immunology
- Lupus Erythematosus, Systemic/immunology
- Lupus Erythematosus, Systemic/metabolism
- Antigens, Differentiation, B-Lymphocyte/immunology
- Antigens, Differentiation, B-Lymphocyte/metabolism
- Antigens, CD/metabolism
- Antigens, CD/immunology
- B-Lymphocytes/immunology
- B-Lymphocytes/metabolism
- Signal Transduction/immunology
- Autoantigens/immunology
- Mice, Knockout
- Lymphocyte Activation/immunology
- Cell Proliferation
- Immune Tolerance
- Humans
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Affiliation(s)
- Chizuru Akatsu
- Department of Immunology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takahiro Tsuneshige
- Department of Immunology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan; Nihon University School of Dentistry, Tokyo, Japan
| | - Nobutaka Numoto
- Department of Structural Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Wang Long
- Nihon University School of Dentistry, Tokyo, Japan
| | - Toshio Uchiumi
- Department of Biology, Niigata University School of Science, Niigata, Japan
| | - Yoshikatsu Kaneko
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | | | - Nobutoshi Ito
- Department of Structural Biology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takeshi Tsubata
- Department of Immunology, Medical Research Institute, Tokyo Medical and Dental University, Tokyo, Japan; Nihon University School of Dentistry, Tokyo, Japan.
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26
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Hoi A, Igel T, Mok CC, Arnaud L. Systemic lupus erythematosus. Lancet 2024; 403:2326-2338. [PMID: 38642569 DOI: 10.1016/s0140-6736(24)00398-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 09/28/2023] [Accepted: 02/25/2024] [Indexed: 04/22/2024]
Abstract
Systemic lupus erythematosus (SLE) is a multisystemic autoimmune disease characterised by the presence of autoantibodies towards nuclear antigens, immune complex deposition, and chronic inflammation at classic target organs such as skin, joints, and kidneys. Despite substantial advances in the diagnosis and management of SLE, the burden of disease remains high. It is important to appreciate the typical presentations and the diagnostic process to facilitate early referral and diagnosis for patients. In most patients, constitutional, mucocutaneous, and musculoskeletal symptoms represent the earliest complaints; these symptoms can include fatigue, lupus-specific rash, mouth ulcers, alopecia, joint pain, and myalgia. In this Seminar we will discuss a diagnostic approach to symptoms in light of the latest classification criteria, which include a systematic evaluation of clinical manifestations (weighted within each domain) and autoantibody profiles (such as anti-double-stranded DNA, anti-Sm, hypocomplementaemia, or antiphospholipid antibodies). Non-pharmacotherapy management is tailored to the individual, with specific lifestyle interventions and patient education to improve quality of life and medication (such as hydroxychloroquine or immunosuppressant) adherence. In the last decade, there have been a few major breakthroughs in approved treatments for SLE and lupus nephritis, such as belimumab, anifrolumab, and voclosporin. However the disease course remains variable and mortality unacceptably high. Access to these expensive medications has also been restricted across different regions of the world. Nonetheless, understanding of treatment goals and strategies has improved. We recognise that the main goal of treatment is the achievement of remission or low disease activity. Comorbidities due to both disease activity and treatment adverse effects, especially infections, osteoporosis, and cardiovascular disease, necessitate vigilant prevention and management strategies. Tailoring treatment options to achieve remission, while balancing treatment-related comorbidities, are priority areas of SLE management.
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Affiliation(s)
- Alberta Hoi
- Department of Rheumatology, Monash Health, School of Clinical Sciences, Monash University, Melbourne, VIC, Australia.
| | - Talia Igel
- Department of Rheumatology, Monash Health, School of Clinical Sciences, Monash University, Melbourne, VIC, Australia
| | - Chi Chiu Mok
- Department of Medicine, Tuen Mun Hospital, Hong Kong Special Administrative Region, China
| | - Laurent Arnaud
- Department of Rheumatology, National Reference Center for Autoimmune Diseases, INSERM UMR-S 1109, Hôpitaux Universitaires de Strasbourg, Strasbourg, France
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27
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Preda OD, Bădeliță S, Ursuleac I, Irimia RM, Balanica S, Cojocaru M, Cotruta C, Dobrea C, Coriu D. Complications of Brentuximab Therapy in Patients with Hodgkin's Lymphoma and Concurrent Autoimmune Pathology-A Case Series. Hematol Rep 2024; 16:299-307. [PMID: 38804283 PMCID: PMC11130784 DOI: 10.3390/hematolrep16020030] [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: 03/18/2024] [Revised: 04/29/2024] [Accepted: 05/14/2024] [Indexed: 05/29/2024] Open
Abstract
Background: Brentuximab Vedotin (BV) has revolutionized the treatment landscape for Hodgkin's lymphoma, yet its effects on pre-existing autoimmune disorders remain elusive. Methods: Here, we present four cases of patients with concurrent autoimmune conditions-Crohn's disease, vitiligo, type I diabetes, and minimal change disease-undergoing BV therapy for Hodgkin's lymphoma. The patients were treated with A-AVD instead of ABVD due to advanced-stage disease with high IPI scores. Results: Our findings reveal the surprising and complex interplay between BV exposure and autoimmune manifestations, highlighting the need for multidisciplinary collaboration in patient management. Notably, the exacerbation of autoimmune symptoms was observed in the first three cases where T-cell-mediated autoimmunity predominated. Additionally, BV exposure precipitated autoimmune thrombocytopenia in the vitiligo patient, underscoring the profound disruptions in immune regulation. Conversely, in the minimal change disease case, a disease characterized by a blend of B- and T-cell-mediated immunity, the outcome was favorable. Conclusions: This paper underscores the critical importance of vigilance toward autoimmune flare-ups induced by BV in patients with concurrent autoimmune conditions, offering insights for tailored patient care.
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Affiliation(s)
- Oana Diana Preda
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
| | - Sorina Bădeliță
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
| | - Iulia Ursuleac
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
| | - Ruxandra Maria Irimia
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
| | - Sonia Balanica
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
| | - Monica Cojocaru
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
| | - Cristina Cotruta
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
| | - Camelia Dobrea
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
| | - Daniel Coriu
- University of Medicine and Pharmacy “Carol Davila”, 050474 Bucharest, Romania; (S.B.); (R.M.I.)
- Fundeni Clinical Institute, 022328 Bucharest, Romania
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28
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Carter LM, Md Yusof MY, Wigston Z, Plant D, Wenlock S, Alase A, Psarras A, Vital EM. Blood RNA-sequencing across the continuum of ANA-positive autoimmunity reveals insights into initiating immunopathology. Ann Rheum Dis 2024:ard-2023-225349. [PMID: 38740438 DOI: 10.1136/ard-2023-225349] [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: 11/30/2023] [Accepted: 04/29/2024] [Indexed: 05/16/2024]
Abstract
OBJECTIVE Mechanisms underpinning clinical evolution to systemic lupus erythematosus (SLE) from preceding antinuclear antibodies (ANA) positivity are poorly understood. This study aimed to understand blood immune cell transcriptional signatures associated with subclinical ANA positivity, and progression or non-progression to SLE. METHODS Bulk RNA-sequencing of peripheral blood mononuclear cells isolated at baseline from 35 ANA positive (ANA+) subjects with non-diagnostic symptoms was analysed using differential gene expression, weighted gene co-expression network analysis, deconvolution of cell subsets and functional enrichment analyses. ANA+ subjects, including those progressing to classifiable SLE at 12 months (n=15) and those with stable subclinical ANA positivity (n=20), were compared with 15 healthy subjects and 18 patients with SLE. RESULTS ANA+ subjects demonstrated extensive transcriptomic dysregulation compared with healthy controls with reduced CD4+naïve T-cells and resting NK cells, but higher activated dendritic cells. B-cell lymphopenia was evident in SLE but not ANA+ subjects. Two-thirds of dysregulated genes were common to ANA+ progressors and non-progressors. ANA+ progressors showed elevated modular interferon signature in which constituent genes were inducible by both type I interferon (IFN-I) and type II interferon (IFN-II) in vitro. Baseline downregulation of mitochondrial oxidative phosphorylation complex I components significantly associated with progression to SLE but did not directly correlate with IFN modular activity. Non-progressors demonstrated more diverse cytokine profiles. CONCLUSIONS ANA positivity, irrespective of clinical trajectory, is profoundly dysregulated and transcriptomically closer to SLE than to healthy immune function. Metabolic derangements and IFN-I activation occur early in the ANA+ preclinical phase and associated with diverging transcriptomic profiles which distinguish subsequent clinical evolution.
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Affiliation(s)
- Lucy Marie Carter
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Md Yuzaiful Md Yusof
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Zoe Wigston
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Darren Plant
- Division of Musculoskeletal and Dermatological Sciences, The University of Manchester, Manchester, UK
| | | | - Adewonuola Alase
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
| | - Antonios Psarras
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Edward M Vital
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, UK
- NIHR Leeds Musculoskeletal Biomedical Research Unit, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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29
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Wilhelm A, Chambers D, Müller F, Bozec A, Grieshaber-Bouyer R, Winkler T, Mougiakakos D, Mackensen A, Schett G, Krönke G. Selective CAR T cell-mediated B cell depletion suppresses IFN signature in SLE. JCI Insight 2024; 9:e179433. [PMID: 38722688 DOI: 10.1172/jci.insight.179433] [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] [Indexed: 06/25/2024] Open
Abstract
Applying advanced molecular profiling together with highly specific targeted therapies offers the possibility to better dissect the mechanisms underlying immune-mediated inflammatory diseases such as systemic lupus erythematosus (SLE) in humans. Here we apply a combination of single-cell RNA-Seq and T/B cell repertoire analysis to perform an in-depth characterization of molecular changes in the immune-signature upon CD19 CAR T cell-mediated depletion of B cells in patients with SLE. The resulting data sets not only confirm a selective CAR T cell-mediated reset of the B cell response but simultaneously reveal consequent changes in the transcriptional signature of monocyte and T cell subsets that respond with a profound reduction in type I IFN signaling. Our current data, thus, provide evidence for a causal relationship between the B cell response and the increased IFN signature observed in SLE and additionally demonstrate the usefulness of combining targeted therapies and analytic approaches to decipher molecular mechanisms of immune-mediated inflammatory diseases in humans.
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Affiliation(s)
- Artur Wilhelm
- Department of Internal Medicine 3 - Rheumatology and Immunology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
| | - David Chambers
- Department of Internal Medicine 3 - Rheumatology and Immunology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
| | - Fabian Müller
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
- Department of Internal Medicine 5 - Hematology and Oncology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Aline Bozec
- Department of Internal Medicine 3 - Rheumatology and Immunology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
| | - Ricardo Grieshaber-Bouyer
- Department of Internal Medicine 3 - Rheumatology and Immunology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
| | - Thomas Winkler
- Department of Genetics, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
| | - Dimitrios Mougiakakos
- Department of Hematology and Oncology, Otto-von-Guericke University Magdeburg, Magdeburg, Germany
| | - Andreas Mackensen
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
- Department of Internal Medicine 5 - Hematology and Oncology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Department of Internal Medicine 3 - Rheumatology and Immunology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
| | - Gerhard Krönke
- Department of Internal Medicine 3 - Rheumatology and Immunology, FAU Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie, Universitätsklinikum Erlangen, Friedrich-Alexander University (FAU) Erlangen - Nürnberg, Erlangen, Germany
- Department of Rheumatology and Clinical Immunology, Charité, Unversitätsmedizin Berlin, Berlin, Germany
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Bilici R, Candemir B, Satış H, Alp GT, Borazan FY, Deniz O, Guler AA, Karadeniz H, Varan HD, Tufan A, Öztürk MA, Goker B. Frequency of sarcopenia in Turkish women with systemic lupus erythematosus. Lupus Sci Med 2024; 11:e001204. [PMID: 38724183 PMCID: PMC11086267 DOI: 10.1136/lupus-2024-001204] [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: 03/12/2024] [Accepted: 04/22/2024] [Indexed: 05/12/2024]
Abstract
OBJECTIVE This study aimed to evaluate the prevalence of sarcopenia and its clinical significance in Turkish women with SLE, exploring the association between muscle mass, muscle strength and SLE disease activity. METHODS A cross-sectional study was conducted at Gazi University Hospital's Department of Rheumatology from January to December 2020. It involved 82 patients with SLE, diagnosed according to the 2019 American College of Rheumatology/European Alliance of Associations for Rheumatology criteria, and 69 healthy controls. Sarcopenia was assessed using hand grip dynamometry (hand grip strength (HGS)) and bioelectrical impedance analysis for muscle mass, with sarcopenia defined according to the 2018 European Working Group on Sarcopenia in Older People criteria and specific cut-offs for the Turkish population. The main outcomes measured were the presence of sarcopenia and probable sarcopenia, HGS values, skeletal muscle mass index and SLE Disease Activity Index 2000 (SLEDAI-2K). RESULTS Among the patients with SLE, 51.2% met the criteria for probable sarcopenia and 12.9% were diagnosed with sarcopenia. The mean HGS was significantly lower in the SLE group (21.7±4.9 kg) compared with controls, indicating reduced muscle strength. The prevalence of anti-double-stranded DNA (anti-dsDNA) antibodies was 82.9%. Multivariate regression analysis identified height and levels of anti-dsDNA antibodies as independent predictors for developing probable sarcopenia. No significant association was found between clinical parameters, including SLEDAI-2K scores, and sarcopenia status. CONCLUSIONS Sarcopenia is prevalent among Turkish women with SLE, with a significant proportion showing reduced muscle strength. The study found no direct association between sarcopenia and SLE disease activity or clinical parameters. These findings underscore the importance of including muscle strength assessments in the routine clinical evaluation of patients with SLE to potentially improve management and quality of life.
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Affiliation(s)
- Reyhan Bilici
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Burcu Candemir
- Division of Geriatrics, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Hasan Satış
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Gizem Tuğçe Alp
- Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Funda Yıldırım Borazan
- Division of Geriatrics, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Olgun Deniz
- Division of Geriatrics, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Aslihan Avanoglu Guler
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Hazan Karadeniz
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Hacer Doğan Varan
- Division of Geriatrics, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Abdurrahman Tufan
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Mehmet Akif Öztürk
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
| | - Berna Goker
- Division of Rheumatology, Department of Internal Medicine, Gazi University Faculty of Medicine, Ankara, Turkey
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Filia A, Mitroulis I, Loukogiannaki C, Grigoriou M, Banos A, Sentis G, Giannouli S, Karali V, Athanasiadis E, Kokkinopoulos I, Boumpas DT. Single-cell transcriptomic analysis of hematopoietic progenitor cells from patients with systemic lupus erythematosus reveals interferon-inducible reprogramming in early progenitors. Front Immunol 2024; 15:1383358. [PMID: 38779657 PMCID: PMC11109438 DOI: 10.3389/fimmu.2024.1383358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 04/18/2024] [Indexed: 05/25/2024] Open
Abstract
Introduction Immune cells that contribute to the pathogenesis of systemic lupus erythematosus (SLE) derive from adult hematopoietic stem and progenitor cells (HSPCs) within the bone marrow (BM). For this reason, we reasoned that fundamental abnormalities in SLE can be traced to a BM-derived HSPC inflammatory signature. Methods BM samples from four SLE patients, six healthy controls, and two umbilical cord blood (CB) samples were used. CD34+ cells were isolated from BM and CB samples, and single-cell RNA-sequencing was performed. Results A total of 426 cells and 24,473 genes were used in the analysis. Clustering analysis resulted in seven distinct clusters of cell types. Mutually exclusive markers, which were characteristic of each cell type, were identified. We identified three HSPC subpopulations, one of which consisted of proliferating cells (MKI67 expressing cells), one T-like, one B-like, and two myeloid-like progenitor subpopulations. Differential expression analysis revealed i) cell cycle-associated signatures, in healthy BM of HSPC clusters 3 and 4 when compared with CB, and ii) interferon (IFN) signatures in SLE BM of HSPC clusters 3 and 4 and myeloid-like progenitor cluster 5 when compared with healthy controls. The IFN signature in SLE appeared to be deregulated following TF regulatory network analysis and differential alternative splicing analysis between SLE and healthy controls in HSPC subpopulations. Discussion This study revealed both quantitative-as evidenced by decreased numbers of non-proliferating early progenitors-and qualitative differences-characterized by an IFN signature in SLE, which is known to drive loss of function and depletion of HSPCs. Chronic IFN exposure affects early hematopoietic progenitors in SLE, which may account for the immune aberrancies and the cytopenias in SLE.
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Affiliation(s)
- Anastasia Filia
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Ioannis Mitroulis
- 1st Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Catherine Loukogiannaki
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Maria Grigoriou
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
- 1st Department of Internal Medicine, University Hospital of Alexandroupolis, Democritus University of Thrace, Alexandroupolis, Greece
| | - Aggelos Banos
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - George Sentis
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Stavroula Giannouli
- 2nd Department of Internal Medicine, Ippokrateion Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Vassiliki Karali
- 4th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
| | - Emmanouil Athanasiadis
- Medical Image and Signal Processing Laboratory, Department of Biomedical Engineering, University of West Attica, Athens, Greece
| | - Ioannis Kokkinopoulos
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
| | - Dimitrios T. Boumpas
- Laboratory of Autoimmunity and Inflammation, Center of Clinical, Experimental Surgery and Translational Research, Biomedical Research Foundation Academy of Athens, Athens, Greece
- 4th Department of Internal Medicine, Attikon University Hospital, National and Kapodistrian University of Athens Medical School, Athens, Greece
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Siegel CH, Sammaritano LR. Systemic Lupus Erythematosus: A Review. JAMA 2024; 331:1480-1491. [PMID: 38587826 DOI: 10.1001/jama.2024.2315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Importance Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by inflammation and immune-mediated injury to multiple organ systems, including the mucocutaneous, musculoskeletal, hematologic, and kidney systems. Approximately 3.4 million people worldwide have received a diagnosis of SLE. Observations Approximately 90% of people with SLE are female. Although there are no uniformly accepted diagnostic criteria for SLE, the 2019 European Alliance of Associations for Rheumatology (formerly the European League Against Rheumatism)/American College of Rheumatology classification criteria developed for scientific study are an estimated 96.1% sensitive and 93.4% specific for SLE. These classification criteria include both clinical factors, such as fever, cytopenia, rash, arthritis, and proteinuria, which may be indicative of lupus nephritis; and immunologic measures, such as SLE-specific autoantibodies and low complement levels. Approximately 40% of people with SLE develop lupus nephritis, and an estimated 10% of people with lupus nephritis develop end-stage kidney disease after 10 years. The primary goal of treatment is to achieve disease remission or quiescence, defined by minimal symptoms, low levels of autoimmune inflammatory markers, and minimal systemic glucocorticoid requirement while the patient is treated with maintenance doses of immunomodulatory or immunosuppressive medications. Treatment goals include reducing disease exacerbations, hospitalizations, and organ damage due to the disease or treatment toxicity. Hydroxychloroquine is standard of care for SLE and has been associated with a significant reduction in mortality. Treatments in addition to hydroxychloroquine are individualized, with immunosuppressive agents, such as azathioprine, mycophenolate mofetil, and cyclophosphamide, typically used for treating moderate to severe disease. Three SLE medications were recently approved by the Food and Drug Administration: belimumab (for active SLE in 2011 and for lupus nephritis in 2020), voclosporin (for lupus nephritis), and anifrolumab (for active SLE). Conclusions and Relevance Systemic lupus erythematosus is associated with immune-mediated damage to multiple organs and increased mortality. Hydroxychloroquine is first-line therapy and reduces disease activity, morbidity, and mortality. When needed, additional immunosuppressive and biologic therapies include azathioprine, mycophenolate mofetil, cyclophosphamide, belimumab, voclosporin, and anifrolumab.
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Affiliation(s)
- Caroline H Siegel
- Division of Rheumatology, Hospital for Special Surgery, New York, New York
- Department of Medicine, Weill Cornell Medicine, New York, New York
| | - Lisa R Sammaritano
- Division of Rheumatology, Hospital for Special Surgery, New York, New York
- Department of Medicine, Weill Cornell Medicine, New York, New York
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Szabó E, Faragó A, Bodor G, Gémes N, Puskás LG, Kovács L, Szebeni GJ. Identification of immune subsets with distinct lectin binding signatures using multi-parameter flow cytometry: correlations with disease activity in systemic lupus erythematosus. Front Immunol 2024; 15:1380481. [PMID: 38774868 PMCID: PMC11106380 DOI: 10.3389/fimmu.2024.1380481] [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: 02/01/2024] [Accepted: 04/22/2024] [Indexed: 05/24/2024] Open
Abstract
Objectives Cell surface glycosylation can influence protein-protein interactions with particular relevance to changes in core fucosylation and terminal sialylation. Glycans are ligands for immune regulatory lectin families like galectins (Gals) or sialic acid immunoglobulin-like lectins (Siglecs). This study delves into the glycan alterations within immune subsets of systemic lupus erythematosus (SLE). Methods Evaluation of binding affinities of Galectin-1, Galectin-3, Siglec-1, Aleuria aurantia lectin (AAL, recognizing core fucosylation), and Sambucus nigra agglutinin (SNA, specific for α-2,6-sialylation) was conducted on various immune subsets in peripheral blood mononuclear cells (PBMCs) from control and SLE subjects. Lectin binding was measured by multi-parameter flow cytometry in 18 manually gated subsets of T-cells, NK-cells, NKT-cells, B-cells, and monocytes in unstimulated resting state and also after 3-day activation. Stimulated pre-gated populations were subsequently clustered by FlowSOM algorithm based on lectin binding and activation markers, CD25 or HLA-DR. Results Elevated AAL, SNA and CD25+/CD25- SNA binding ratio in certain stimulated SLE T-cell subsets correlated with SLE Disease Activity Index 2000 (SLEDAI-2K) scores. The significantly increased frequencies of activated AALlow Siglec-1low NK metaclusters in SLE also correlated with SLEDAI-2K indices. In SLE, activated double negative NKTs displayed significantly lower core fucosylation and CD25+/CD25- Siglec-1 binding ratio, negatively correlating with disease activity. The significantly enhanced AAL binding in resting SLE plasmablasts positively correlated with SLEDAI-2K scores. Conclusion Alterations in the glycosylation of immune cells in SLE correlate with disease severity, which might represent potential implications in the pathogenesis of SLE.
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Affiliation(s)
- Enikő Szabó
- Institute of Genetics, Laboratory of Functional Genomics, HUN-REN Biological Research Center, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Anna Faragó
- Astridbio Technologies Ltd, Szeged, Hungary
- Doctoral School of Multidisciplinary Medical Sciences, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Gergely Bodor
- Department of Rheumatology and Immunology, Albert Szent-Gyorgyi Medical School and Health Center, University of Szeged, Szeged, Hungary
| | - Nikolett Gémes
- Institute of Genetics, Laboratory of Functional Genomics, HUN-REN Biological Research Center, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
| | - László G. Puskás
- Institute of Genetics, Laboratory of Functional Genomics, HUN-REN Biological Research Center, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
| | - László Kovács
- Department of Rheumatology and Immunology, Albert Szent-Gyorgyi Medical School and Health Center, University of Szeged, Szeged, Hungary
| | - Gábor J. Szebeni
- Institute of Genetics, Laboratory of Functional Genomics, HUN-REN Biological Research Center, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
- Astridbio Technologies Ltd, Szeged, Hungary
- Department of Internal Medicine, Hematology Center, Faculty of Medicine, University of Szeged, Szeged, Hungary
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Yang Y, Zhang H, Xiao X, Guo M. Identification of EPSTI1 as a new potential biomarker for SLE based on GEO database. Clin Rheumatol 2024; 43:1531-1540. [PMID: 38507132 DOI: 10.1007/s10067-024-06881-z] [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: 09/11/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 03/22/2024]
Abstract
OBJECTIVE Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with highly heterogeneous. The aim of this study is to find the key genes in peripheral blood mononuclear cells (PBMCs) of SLE patients and to provide a new direction for the diagnosis and treatment of lupus. METHODS GSE121239, GSE50772, GSE81622, and GSE144390 mRNA expression profiles were obtained from the website of Gene Expression Omnibus (GEO), and differential expressed genes (DEGs) analysis was performed by R. Then, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses were performed to elucidate signaling pathways for the DEGs. Real-time qPCR (RT-qPCR) was used to verify the key gene EPSTI1 in PBMCs of SLE patients. Finally, the correlation analysis and ROC curve analysis of EPSTI1 for SLE were performed. RESULTS A total of 12 upregulated DEGs were identified, including MMP8, MX1, IFI44, EPSTI1, OAS1, OAS3, HERC5, IFIT1, RSAD2, USP18, IFI44L, and IFI27. GO and KEGG pathway enrichment analysis showed that those DEGs were mainly concentrated in the response to virus and IFN signaling pathways. Real-time qPCR (RT-qPCR) revealed that EPSTI1 was increased in PBMCs of SLE. EPSTI1 was positively correlated with SLEDAI score in SLE patients. Besides, EPSTI1 was positively correlated with T cell activation- or differentiation-associated genes (BCL6 and RORC). Furthermore, ROC analyses proved EPSTI1 may have diagnostic value for SLE. CONCLUSION Together, EPSTI1 was found to be a potential biomarker for SLE, closely related to T cell immune imbalance. Key Points • EPSTI1 expression was significantly increased in PBMCs of SLE patients. • EPSTI1 was positively correlated with disease activity and T cell activation- or differentiation-associated genes in SLE patients. • EPSTI1 might have a good diagnostic value for SLE.
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Affiliation(s)
- Yiying Yang
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha, Hunan, China
- Sepsis Translational Medicine Key Lab of Hunan Province, Changsha, Hunan, China
- Postdoctoral Research Station of Basic Medicine, School of Basic Medicine Science, Central South University, Changsha, Hunan, China
| | - Huali Zhang
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha, Hunan, China
- Sepsis Translational Medicine Key Lab of Hunan Province, Changsha, Hunan, China
| | - Xiaoyu Xiao
- Department of Nutrition, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China.
| | - Muyao Guo
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan, China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Changsha, Hunan, China.
- Provincial Clinical Research Center for Rheumatic and Immunologic Diseases, Xiangya Hospital, Changsha, Hunan, China.
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Su T, Gan Y, Ma S, Wu H, Lu S, Zhi M, Wang B, Lu Y, Yao J. Graves' disease and the risk of five autoimmune diseases: A Mendelian randomization and colocalization study. Diabetes Metab Syndr 2024; 18:103023. [PMID: 38697002 DOI: 10.1016/j.dsx.2024.103023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 04/26/2024] [Accepted: 04/28/2024] [Indexed: 05/04/2024]
Abstract
BACKGROUND Epidemiological studies have consistently demonstrated a high prevalence of concurrent autoimmune diseases in individuals with Graves' disease (GD). OBJECTIVE The objective of this study is to establish a causal association between GD and autoimmune diseases. METHODS We employed a two-sample Mendelian randomization (MR) to infer a causal association between GD and five autoimmune diseases, namely rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), Crohn's disease (CD), ulcerative colitis (UC), and amyotrophic lateral sclerosis (ALS), in the East Asian and European population. Genetic correlations were explored through linkage disequilibrium score regression analysis (LDSC). Finally, colocalization analyses were performed to investigate possible genetic foundations. RESULTS Bidirectional MR analysis indicated that genetically predicted GD increased the risk of RA (Odds Ratio (OR): 1.34, 95 % Confidence Interval (CI): 1.21 to 1.47, P < 0.001) and SLE (OR: 1.21, 95%CI: 1.08 to 1.35, P < 0.001) in the East Asian population. In contrast, we found that genetically predicted RA (OR: 1.14, 95%CI: 1.05 to 1.24, P = 0.002) and SLE (OR: 1.10, 95%CI: 1.03 to 1.17, P = 0.003) were associated with a higher risk of GD. The results have been partially validated in European cohorts. Colocalization analysis suggested the potential existence of shared causal variants between GD and other autoimmune diseases. In particular, gene ARID5B may play an important role in the incidence of autoimmune diseases. CONCLUSION This study has confirmed that GD was associated with RA and SLE and found a possible key gene ARID5B. It may be necessary to strengthen detection to prevent the occurrence of comorbidities in clinical practice.
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Affiliation(s)
- Tao Su
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China
| | - Ying Gan
- Department of Anesthesiology, The Affiliated TCM Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, China
| | - Shulin Ma
- Department of Anesthesiology, The Affiliated TCM Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, China
| | - Hongzhen Wu
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China
| | - Shilin Lu
- Sun Yat-sen University Zhongshan School of Medicine, Guangzhou, 510060, China
| | - Min Zhi
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China
| | - Bao Wang
- Department of Anesthesiology, Guangzhou Twelfth People's Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, China.
| | - Yi Lu
- Department of Anesthesiology, The Affiliated TCM Hospital of Guangzhou Medical University, Guangzhou, Guangdong Province, China.
| | - Jiayin Yao
- Department of Gastroenterology, Guangdong Provincial Key Laboratory of Colorectal and Pelvic Floor Disease, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China; Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong Province, China.
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Lei H. Quantitative and Longitudinal Assessment of Systemic Innate Immunity in Health and Disease Using a 2D Gene Model. Biomedicines 2024; 12:969. [PMID: 38790931 PMCID: PMC11117654 DOI: 10.3390/biomedicines12050969] [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: 04/01/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
Dysregulation of innate immunity is deeply involved in infectious and autoimmune diseases. For a better understanding of pathogenesis and improved management of these diseases, it is of vital importance to implement convenient monitoring of systemic innate immunity. Built upon our previous works on the host transcriptional response to infection in peripheral blood, we proposed a 2D gene model for the simultaneous assessment of two major components of systemic innate immunity, including VirSig as the signature of the host response to viral infection and BacSig as the signature of the host response to bacterial infection. The revelation of dysregulation in innate immunity by this 2D gene model was demonstrated with a wide variety of transcriptome datasets. In acute infection, distinctive patterns of VirSig and BacSig activation were observed in viral and bacterial infection. In comparison, both signatures were restricted to a defined range in the vast majority of healthy adults, regardless of age. In addition, BacSig showed significant elevation during pregnancy and an upward trend during development. In tuberculosis (TB), elevation of BacSig and VirSig was observed in a significant portion of active TB patients, and abnormal BacSig was also associated with a longer treatment course. In cystic fibrosis (CF), abnormal BacSig was observed in a subset of patients, and no overall change in BacSig abnormality was observed after the drug treatment. In systemic sclerosis-associated interstitial lung disease (SSc-ILD), significant elevation of VirSig and BacSig was observed in some patients, and treatment with a drug led to the further deviation of BacSig from the control level. In systemic lupus erythematosus (SLE), positivity for the anti-Ro autoantibody was associated with significant elevation of VirSig in SLE patients, and the additive effect of VirSig/BacSig activation was also observed in SLE patients during pregnancy. Overall, these data demonstrated that the 2D gene model can be used to assess systemic innate immunity in health and disease, with the potential clinical applications including patient stratification, prescription of antibiotics, understanding of pathogenesis, and longitudinal monitoring of treatment response.
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Affiliation(s)
- Hongxing Lei
- CAS Key Laboratory of Genome Sciences and Information, Beijing Institute of Genomics, Chinese Academy of Sciences, and China National Center for Bioinformation, Beijing 100101, China; ; Tel.: +86-010-8409-7276
- Cunji Medical School, University of Chinese Academy of Sciences, Beijing 101408, China
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Dong Y, Wang T, Wu H. Heterogeneity of macrophage activation syndrome and treatment progression. Front Immunol 2024; 15:1389710. [PMID: 38736876 PMCID: PMC11082376 DOI: 10.3389/fimmu.2024.1389710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/12/2024] [Indexed: 05/14/2024] Open
Abstract
Macrophage activation syndrome (MAS) is a rare complication of autoimmune inflammatory rheumatic diseases (AIIRD) characterized by a progressive and life-threatening condition with features including cytokine storm and hemophagocytosis. Predisposing factors are typically associated with microbial infections, genetic factors (distinct from typical genetically related hemophagocytic lymphohistiocytosis (HLH)), and inappropriate immune system overactivation. Clinical features include unremitting fever, generalized rash, hepatosplenomegaly, lymphadenopathy, anemia, worsening liver function, and neurological involvement. MAS can occur in various AIIRDs, including but not limited to systemic juvenile idiopathic arthritis (sJIA), adult-onset Still's disease (AOSD), systemic lupus erythematosus (SLE), Kawasaki disease (KD), juvenile dermatomyositis (JDM), rheumatoid arthritis (RA), and Sjögren's syndrome (SS), etc. Although progress has been made in understanding the pathogenesis and treatment of MAS, it is important to recognize the differences between different diseases and the various treatment options available. This article summarizes the cell types and cytokines involved in MAS-related diseases, the heterogeneity, and treatment options, while also comparing it to genetically related HLH.
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Affiliation(s)
- Yuanji Dong
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Ting Wang
- Department of Respiratory Disease, Thoracic Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Huaxiang Wu
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
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Balog JÁ, Zvara Á, Bukovinszki V, Puskás LG, Balog A, Szebeni GJ. Comparative single-cell multiplex immunophenotyping of therapy-naive patients with rheumatoid arthritis, systemic sclerosis, and systemic lupus erythematosus shed light on disease-specific composition of the peripheral immune system. Front Immunol 2024; 15:1376933. [PMID: 38726007 PMCID: PMC11079270 DOI: 10.3389/fimmu.2024.1376933] [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: 01/26/2024] [Accepted: 04/03/2024] [Indexed: 05/12/2024] Open
Abstract
Introduction Systemic autoimmune diseases (SADs) are a significant burden on the healthcare system. Understanding the complexity of the peripheral immunophenotype in SADs may facilitate the differential diagnosis and identification of potential therapeutic targets. Methods Single-cell mass cytometric immunophenotyping was performed on peripheral blood mononuclear cells (PBMCs) from healthy controls (HCs) and therapy-naive patients with rheumatoid arthritis (RA), progressive systemic sclerosis (SSc), and systemic lupus erythematosus (SLE). Immunophenotyping was performed on 15,387,165 CD45+ live single cells from 52 participants (13 cases/group), using an antibody panel to detect 34 markers. Results Using the t-SNE (t-distributed stochastic neighbor embedding) algorithm, the following 17 main immune cell types were determined: CD4+/CD57- T cells, CD4+/CD57+ T cells, CD8+/CD161- T cells, CD8+/CD161+/CD28+ T cells, CD8dim T cells, CD3+/CD4-/CD8- T cells, TCRγ/δ T cells, CD4+ NKT cells, CD8+ NKT cells, classic NK cells, CD56dim/CD98dim cells, B cells, plasmablasts, monocytes, CD11cdim/CD172dim cells, myeloid dendritic cells (mDCs), and plasmacytoid dendritic cells (pDCs). Seven of the 17 main cell types exhibited statistically significant frequencies in the investigated groups. The expression levels of the 34 markers in the main populations were compared between HCs and SADs. In summary, 59 scatter plots showed significant differences in the expression intensities between at least two groups. Next, each immune cell population was divided into subpopulations (metaclusters) using the FlowSOM (self-organizing map) algorithm. Finally, 121 metaclusters (MCs) of the 10 main immune cell populations were found to have significant differences to classify diseases. The single-cell T-cell heterogeneity represented 64MCs based on the expression of 34 markers, and the frequency of 23 MCs differed significantly between at least twoconditions. The CD3- non-T-cell compartment contained 57 MCs with 17 MCs differentiating at least two investigated groups. In summary, we are the first to demonstrate the complexity of the immunophenotype of 34 markers over 15 million single cells in HCs vs. therapy-naive patients with RA, SSc, and SLE. Disease specific population frequencies or expression patterns of peripheral immune cells provide a single-cell data resource to the scientific community.
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Affiliation(s)
- József Á. Balog
- Laboratory of Functional Genomics, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Ágnes Zvara
- Laboratory of Functional Genomics, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Vivien Bukovinszki
- Department of Rheumatology and Immunology, Faculty of Medicine, Albert Szent-Gyorgyi Health Centre, University of Szeged, Szeged, Hungary
| | - László G. Puskás
- Laboratory of Functional Genomics, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
| | - Attila Balog
- Department of Rheumatology and Immunology, Faculty of Medicine, Albert Szent-Gyorgyi Health Centre, University of Szeged, Szeged, Hungary
| | - Gábor J. Szebeni
- Laboratory of Functional Genomics, Institute of Genetics, HUN-REN Biological Research Centre, Szeged, Hungary
- Core Facility, HUN-REN Biological Research Centre, Szeged, Hungary
- Department of Internal Medicine, Hematology Centre, Faculty of Medicine University of Szeged, Szeged, Hungary
- Astridbio Technologies Ltd., Szeged, Hungary
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Kim JR, Hong BK, Pham THN, Kim WU, Kim HA. Interferon-gamma signaling promotes cartilage regeneration after injury. Sci Rep 2024; 14:8046. [PMID: 38580748 PMCID: PMC10997668 DOI: 10.1038/s41598-024-58779-0] [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: 12/05/2023] [Accepted: 04/03/2024] [Indexed: 04/07/2024] Open
Abstract
Osteoarthritis is a common chronic disease and major cause of disability and chronic pain in ageing populations. In this pathology, the entire joint is involved, and the regeneration of articular cartilage still remains one of the main challenges. Here, we investigated the molecular mechanisms underlying cartilage regeneration in young mice using a full-thickness cartilage injury (FTCI) model. FTCI-induced cartilage defects were created in the femoral trochlea of young and adult C57BL/6 mice. To identify key molecules and pathways involved in the early response to cartilage injury, we performed RNA sequencing (RNA-seq) analysis of cartilage RNA at 3 days after injury. Young mice showed superior cartilage regeneration compared to adult mice after cartilage injury. RNA-seq analysis revealed significant upregulation of genes associated with the immune response, particularly in the IFN-γ signaling pathway and qRT-PCR analysis showed macrophage polarization in the early phase of cartilage regeneration (3 days) in young mice after injury, which might promote the removal of damaged or necrotic cells and initiate cartilage regeneration in response to injury. IFN-γR1- and IFN-γ-deficient mice exhibited impaired cartilage regeneration following cartilage injury. DMM-induced and spontaneous OA phenotypes were exacerbated in IFN-γR1-/- mice than in wild-type mice. Our data support the hypothesis that IFN-γ signaling is necessary for cartilage regeneration, as well as for the amelioration of post-traumatic and age-induced OA.
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Affiliation(s)
- Ju-Ryoung Kim
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, 896, Pyungchon, Anyang, Kyunggi, 14068, Korea
- Division of Rheumatology, Department of Internal Medicine, School of Medicine, The Catholic University of Korea, Seoul, 06591, Korea
- Center for Intergrative Rheumatoid Transcriptomics and Dynamics, School of Medicine, The Catholic University of Korea, Seoul, 06591, Korea
| | - Bong-Ki Hong
- Division of Rheumatology, Department of Internal Medicine, School of Medicine, The Catholic University of Korea, Seoul, 06591, Korea
- Center for Intergrative Rheumatoid Transcriptomics and Dynamics, School of Medicine, The Catholic University of Korea, Seoul, 06591, Korea
| | - Thi Hong Nhung Pham
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, 896, Pyungchon, Anyang, Kyunggi, 14068, Korea
- Institute for Skeletal Aging, Hallym University, Chuncheon, Gangwon-do, 24252, Korea
| | - Wan-Uk Kim
- Division of Rheumatology, Department of Internal Medicine, School of Medicine, The Catholic University of Korea, Seoul, 06591, Korea
- Center for Intergrative Rheumatoid Transcriptomics and Dynamics, School of Medicine, The Catholic University of Korea, Seoul, 06591, Korea
| | - Hyun Ah Kim
- Division of Rheumatology, Department of Internal Medicine, Hallym University Sacred Heart Hospital, 896, Pyungchon, Anyang, Kyunggi, 14068, Korea.
- Institute for Skeletal Aging, Hallym University, Chuncheon, Gangwon-do, 24252, Korea.
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Cahuapaza-Gutierrez NL. Systemic lupus erythematosus following COVID-19 vaccination. A systematic review of case reports and case series. Lupus 2024; 33:375-386. [PMID: 38315894 DOI: 10.1177/09612033241232054] [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] [Indexed: 02/07/2024]
Abstract
OBJECTIVE Vaccination against SARS-CoV-2 reduced morbidity and mortality rates due to COVID-19 worldwide. However, several adverse effects have been documented and of great interest such as Systemic Lupus Erythematosus (SLE). The aim of the present study was to perform a systematic review of case reports and case series describing the development of SLE following COVID-19 against vaccination. METHODS Case report and case series studies were included. Systematic reviews, narratives, letters to the editor, correspondence, etc. were excluded. A selective bibliographic search was performed in the PubMed, Scopus, and EMBASE databases. In addition, the Web of Science platform was consulted. The Joanna Brigs Institute (JBI) tool was used to assess the risk of bias and quality of the studies. The Statistical Package for the Social Sciences (SPSS) 23.0 was used for the formal analysis of the descriptive data. RESULTS 12 studies met the eligibility criteria and reported a total of 16 patients. The mean age was 42.4 ± 18.69 years. A slight predominance of post-vaccination SLE was observed in females (females (n = 9) and males (n = 7). A higher association was found with Pfizer-BioNTech-162b2 vaccine (75%), followed by Sinopharm (12.5%), Moderna (6.25%). and AstraZeneca (6.25%) vaccines. Most cases were associated with the first dose (56.25%), followed by the second dose (37.5%) and only one case associated with the third dose. The number of days elapsed from vaccine administration to the appearance of the first clinical manifestations was between 1 and 30 days. Mainly there was involvement of the musculoskeletal and cutaneous system. All patients responded well to treatment with good evolution and there was no case of death. CONCLUSION Cases of SLE associated with COVID-19 vaccination against are infrequent. However, clinical monitoring is recommended for persons receiving the SARS-CoV-2 vaccine, mainly those receiving the first dose and the Pfizer-BioNTech-162b2 vaccine.
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Affiliation(s)
- Nelson Luis Cahuapaza-Gutierrez
- Facultad de Ciencias de la Salud, Carrera de Medicina Humana, Universidad Científica del Sur, Lima, Perú
- Change Research Working Group, Universidad Científica del Sur, Lima, Perú
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Corona-Meraz FI, Vázquez-Del Mercado M, Sandoval-García F, Robles-De Anda JA, Tovar-Cuevas AJ, Rosales-Gómez RC, Guzmán-Ornelas MO, González-Inostroz D, Peña-Nava M, Martín-Márquez BT. Biomarkers in Systemic Lupus Erythematosus along with Metabolic Syndrome. J Clin Med 2024; 13:1988. [PMID: 38610754 PMCID: PMC11012563 DOI: 10.3390/jcm13071988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/25/2024] [Accepted: 03/26/2024] [Indexed: 04/14/2024] Open
Abstract
Metabolic syndrome (MetS) is a group of physiological abnormalities characterized by obesity, insulin resistance (IR), and hypertriglyceridemia, which carry the risk of developing cardiovascular disease (CVD) and type 2 diabetes (T2D). Immune and metabolic alterations have been observed in MetS and are associated with autoimmune development. Systemic lupus erythematosus (SLE) is an autoimmune disease caused by a complex interaction of environmental, hormonal, and genetic factors and hyperactivation of immune cells. Patients with SLE have a high prevalence of MetS, in which elevated CVD is observed. Among the efforts of multidisciplinary healthcare teams to make an early diagnosis, a wide variety of factors have been considered and associated with the generation of biomarkers. This review aimed to elucidate some primary biomarkers and propose a set of assessments to improve the projection of the diagnosis and evolution of patients. These biomarkers include metabolic profiles, cytokines, cardiovascular tests, and microRNAs (miRs), which have been observed to be dysregulated in these patients and associated with outcomes.
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Affiliation(s)
- Fernanda Isadora Corona-Meraz
- Multidisciplinary Health Research Center, Department of Biomedical Sciences, University Center of Tonala, University of Guadalajara, Guadalajara 45425, Jalisco, Mexico; (A.-J.T.-C.); (R.-C.R.-G.); (M.-O.G.-O.)
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
| | - Mónica Vázquez-Del Mercado
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
- Rheumatology Service, Internal Medicine Division, Civil Hospital of Guadalajara “Dr. Juan I. Menchaca”, Guadalajara 44340, Jalisco, Mexico
- Academic Group UDG-CA-703, “Immunology and Rheumatology”, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico
| | - Flavio Sandoval-García
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
- Academic Group UDG-CA-703, “Immunology and Rheumatology”, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico
| | - Jesus-Aureliano Robles-De Anda
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
| | - Alvaro-Jovanny Tovar-Cuevas
- Multidisciplinary Health Research Center, Department of Biomedical Sciences, University Center of Tonala, University of Guadalajara, Guadalajara 45425, Jalisco, Mexico; (A.-J.T.-C.); (R.-C.R.-G.); (M.-O.G.-O.)
| | - Roberto-Carlos Rosales-Gómez
- Multidisciplinary Health Research Center, Department of Biomedical Sciences, University Center of Tonala, University of Guadalajara, Guadalajara 45425, Jalisco, Mexico; (A.-J.T.-C.); (R.-C.R.-G.); (M.-O.G.-O.)
| | - Milton-Omar Guzmán-Ornelas
- Multidisciplinary Health Research Center, Department of Biomedical Sciences, University Center of Tonala, University of Guadalajara, Guadalajara 45425, Jalisco, Mexico; (A.-J.T.-C.); (R.-C.R.-G.); (M.-O.G.-O.)
| | - Daniel González-Inostroz
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
| | - Miguel Peña-Nava
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
| | - Beatriz-Teresita Martín-Márquez
- Department of Molecular Biology and Genomics, Institute of Rheumatology and Musculoskeletal System Research, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.V.-D.M.); (F.S.-G.); (J.-A.R.-D.A.); (D.G.-I.); (M.P.-N.)
- Academic Group UDG-CA-703, “Immunology and Rheumatology”, University Center of Health Sciences, University of Guadalajara, Guadalajara 44340, Jalisco, Mexico
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Tian R, Ghosh S. Mechanisms and functions of lncRNAs linked to autoimmune disease risk alleles. Adv Immunol 2024; 161:1-15. [PMID: 38763698 DOI: 10.1016/bs.ai.2024.03.006] [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] [Indexed: 05/21/2024]
Abstract
Recent advances in human genomics technologies have helped uncover genetic risk alleles for many complex autoimmune diseases. Intriguingly, over 90% of genome-wide association study (GWAS) risk alleles reside within the non-coding regions of the genome. An emerging new frontier of functional and mechanistic studies have shed light on the functional relevance of risk alleles that lie within long noncoding RNAs (lncRNAs). Here, we review the mechanisms and functional implications of five evolutionarily conserved lncRNAs that display risk allele association with highly prevalent autoimmune diseases.
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Affiliation(s)
- Ruxiao Tian
- Department of Microbiology & Immunology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, United States
| | - Sankar Ghosh
- Department of Microbiology & Immunology, Vagelos College of Physicians & Surgeons, Columbia University, New York, NY, United States.
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Weng HR. Emerging Molecular and Synaptic Targets for the Management of Chronic Pain Caused by Systemic Lupus Erythematosus. Int J Mol Sci 2024; 25:3602. [PMID: 38612414 PMCID: PMC11011483 DOI: 10.3390/ijms25073602] [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: 02/23/2024] [Revised: 03/13/2024] [Accepted: 03/19/2024] [Indexed: 04/14/2024] Open
Abstract
Patients with systemic lupus erythematosus (SLE) frequently experience chronic pain due to the limited effectiveness and safety profiles of current analgesics. Understanding the molecular and synaptic mechanisms underlying abnormal neuronal activation along the pain signaling pathway is essential for developing new analgesics to address SLE-induced chronic pain. Recent studies, including those conducted by our team and others using the SLE animal model (MRL/lpr lupus-prone mice), have unveiled heightened excitability in nociceptive primary sensory neurons within the dorsal root ganglia and increased glutamatergic synaptic activity in spinal dorsal horn neurons, contributing to the development of chronic pain in mice with SLE. Nociceptive primary sensory neurons in lupus animals exhibit elevated resting membrane potentials, and reduced thresholds and rheobases of action potentials. These changes coincide with the elevated production of TNFα and IL-1β, as well as increased ERK activity in the dorsal root ganglion, coupled with decreased AMPK activity in the same region. Dysregulated AMPK activity is linked to heightened excitability in nociceptive sensory neurons in lupus animals. Additionally, the increased glutamatergic synaptic activity in the spinal dorsal horn in lupus mice with chronic pain is characterized by enhanced presynaptic glutamate release and postsynaptic AMPA receptor activation, alongside the reduced activity of glial glutamate transporters. These alterations are caused by the elevated activities of IL-1β, IL-18, CSF-1, and thrombin, and reduced AMPK activities in the dorsal horn. Furthermore, the pharmacological activation of spinal GPR109A receptors in microglia in lupus mice suppresses chronic pain by inhibiting p38 MAPK activity and the production of both IL-1β and IL-18, as well as reducing glutamatergic synaptic activity in the spinal dorsal horn. These findings collectively unveil crucial signaling molecular and synaptic targets for modulating abnormal neuronal activation in both the periphery and spinal dorsal horn, offering insights into the development of analgesics for managing SLE-induced chronic pain.
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Affiliation(s)
- Han-Rong Weng
- Department of Basic Sciences, California Northstate University College of Medicine, Elk Grove, CA 95757, USA
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Sarin KY, Zheng H, Chaichian Y, Arunachalam PS, Swaminathan G, Eschholz A, Gao F, Wirz OF, Lam B, Yang E, Lee LW, Feng A, Lewis MA, Lin J, Maecker HT, Boyd SD, Davis MM, Nadeau KC, Pulendran B, Khatri P, Utz PJ, Zaba LC. Impaired innate and adaptive immune responses to BNT162b2 SARS-CoV-2 vaccination in systemic lupus erythematosus. JCI Insight 2024; 9:e176556. [PMID: 38456511 PMCID: PMC10972586 DOI: 10.1172/jci.insight.176556] [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: 10/10/2023] [Accepted: 01/30/2024] [Indexed: 03/09/2024] Open
Abstract
Understanding the immune responses to SARS-CoV-2 vaccination is critical to optimizing vaccination strategies for individuals with autoimmune diseases, such as systemic lupus erythematosus (SLE). Here, we comprehensively analyzed innate and adaptive immune responses in 19 patients with SLE receiving a complete 2-dose Pfizer-BioNTech mRNA vaccine (BNT162b2) regimen compared with a control cohort of 56 healthy control (HC) volunteers. Patients with SLE exhibited impaired neutralizing antibody production and antigen-specific CD4+ and CD8+ T cell responses relative to HC. Interestingly, antibody responses were only altered in patients with SLE treated with immunosuppressive therapies, whereas impairment of antigen-specific CD4+ and CD8+ T cell numbers was independent of medication. Patients with SLE also displayed reduced levels of circulating CXC motif chemokine ligands, CXCL9, CXCL10, CXCL11, and IFN-γ after secondary vaccination as well as downregulation of gene expression pathways indicative of compromised innate immune responses. Single-cell RNA-Seq analysis reveals that patients with SLE showed reduced levels of a vaccine-inducible monocyte population characterized by overexpression of IFN-response transcription factors. Thus, although 2 doses of BNT162b2 induced relatively robust immune responses in patients with SLE, our data demonstrate impairment of both innate and adaptive immune responses relative to HC, highlighting a need for population-specific vaccination studies.
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Affiliation(s)
| | - Hong Zheng
- Institute for Immunity, Transplantation and Infection
- Center for Biomedical Informatics Research, Department of Medicine, School of Medicine, and
| | - Yashaar Chaichian
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
| | - Prabhu S. Arunachalam
- Institute for Immunity, Transplantation and Infection
- Department of Immunobiology, University of Arizona, Tucson, Arizona, USA
| | | | | | - Fei Gao
- Institute for Immunity, Transplantation and Infection
| | | | | | - Emily Yang
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
| | - Lori W. Lee
- Department of Pediatrics, Division of Pediatric Pulmonary Medicine, Stanford University School of Medicine, Stanford, California, USA
| | - Allan Feng
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
| | | | - Janice Lin
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
| | | | | | - Mark M. Davis
- Institute for Immunity, Transplantation and Infection
- Department of Microbiology and Immunology, Howard Hughes Medical Institute, Stanford University, Stanford, California, USA
| | - Kari C. Nadeau
- Institute for Immunity, Transplantation and Infection
- Department of Environmental Gealth, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
| | - Bali Pulendran
- Department of Pathology and
- Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford University, Stanford, California, USA
| | - Purvesh Khatri
- Institute for Immunity, Transplantation and Infection
- Center for Biomedical Informatics Research, Department of Medicine, School of Medicine, and
| | - Paul J. Utz
- Institute for Immunity, Transplantation and Infection
- Department of Medicine, Division of Immunology and Rheumatology, Stanford University, Stanford, California, USA
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Guo Q, Jin Y, Chen X, Ye X, Shen X, Lin M, Zeng C, Zhou T, Zhang J. NF-κB in biology and targeted therapy: new insights and translational implications. Signal Transduct Target Ther 2024; 9:53. [PMID: 38433280 PMCID: PMC10910037 DOI: 10.1038/s41392-024-01757-9] [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: 10/19/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 03/05/2024] Open
Abstract
NF-κB signaling has been discovered for nearly 40 years. Initially, NF-κB signaling was identified as a pivotal pathway in mediating inflammatory responses. However, with extensive and in-depth investigations, researchers have discovered that its role can be expanded to a variety of signaling mechanisms, biological processes, human diseases, and treatment options. In this review, we first scrutinize the research process of NF-κB signaling, and summarize the composition, activation, and regulatory mechanism of NF-κB signaling. We investigate the interaction of NF-κB signaling with other important pathways, including PI3K/AKT, MAPK, JAK-STAT, TGF-β, Wnt, Notch, Hedgehog, and TLR signaling. The physiological and pathological states of NF-κB signaling, as well as its intricate involvement in inflammation, immune regulation, and tumor microenvironment, are also explicated. Additionally, we illustrate how NF-κB signaling is involved in a variety of human diseases, including cancers, inflammatory and autoimmune diseases, cardiovascular diseases, metabolic diseases, neurological diseases, and COVID-19. Further, we discuss the therapeutic approaches targeting NF-κB signaling, including IKK inhibitors, monoclonal antibodies, proteasome inhibitors, nuclear translocation inhibitors, DNA binding inhibitors, TKIs, non-coding RNAs, immunotherapy, and CAR-T. Finally, we provide an outlook for research in the field of NF-κB signaling. We hope to present a stereoscopic, comprehensive NF-κB signaling that will inform future research and clinical practice.
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Affiliation(s)
- Qing Guo
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, No. 270, Dong'an Road, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yizi Jin
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, No. 270, Dong'an Road, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xinyu Chen
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med-X Stem Cell Research Center, Shanghai Cancer Institute & Department of Urology, Ren Ji Hospital, School of Medicine and School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, 200127, PR China
| | - Xiaomin Ye
- Department of Cardiology, the First Affiliated Hospital of Sun Yat-Sen University, 58 Zhongshan 2nd Road, Guangzhou, 510080, China
| | - Xin Shen
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mingxi Lin
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, No. 270, Dong'an Road, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Cheng Zeng
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, No. 270, Dong'an Road, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Teng Zhou
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, No. 270, Dong'an Road, Shanghai, 200032, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jian Zhang
- Department of Medical Oncology, Fudan University Shanghai Cancer Center, No. 270, Dong'an Road, Shanghai, 200032, China.
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.
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Wang T, Zhang Y, Chen X, Huang Z, Liang X, Qin Y, Luo Z. The potential causal association between systemic lupus erythematosus and endocrine and metabolic disorders in the East Asian population: A bidirectional two-sample Mendelian randomization study. Lupus 2024; 33:223-231. [PMID: 38214324 DOI: 10.1177/09612033241227276] [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] [Indexed: 01/13/2024]
Abstract
OBJECTIVES Observational studies indicate a significant correlation between systemic lupus erythematosus (SLE) and endocrine and metabolic disorders, but the causal association between SLE and endocrine and metabolic disorders remains unclear due to the reverse causality and confounding biases commonly presented in conventional observational research. This study endeavors to uncover the causal association between SLE and three common endocrine and metabolic disorders, including Graves' disease (GD), type 2 diabetes mellitus (T2DM), and osteoporosis (OP). METHODS We used genome-wide association study data for SLE and three endocrine and metabolic disorders in an East Asian population, employing bidirectional two-sample Mendelian randomization (MR) analysis and sensitivity analysis to ascertain the causal association between SLE and endocrine and metabolic disorders. RESULTS A multiplicative random-effect inverse-variance weighted approach revealed a significant positive correlation between SLE and an elevated risk of GD with an odds ratio (OR) of 1.12 (95% CI: 1.04-1.22, p < .01), and inverse-variance weighted (IVW) analysis also indicated that SLE increased the risk of OP with an OR of 1.035 (95% CI: 1.003-1.068, p < .05). Additionally, GD causally affected SLE in an IVW analysis after Bonferroni correction, with an OR of 1.33 (95% CI: 1.19-1.49, p < .05/3), but the application of multivariable MR analysis resulted in the absence of a causal association of GD on SLE (OR 1.047, 95% CI: 0.952-1.151, p > .05). Lastly, the robustness and validity of the findings were verified through a sensitivity analysis. CONCLUSIONS We confirmed that SLE has a causal effect on GD as well as OP, but no evidence exists to substantiate a causal link between SLE and T2DM. Our study offers valuable contributions for uncovering the etiology of SLE and endocrine and metabolic disorders and furthering disease risk research while providing potential targets for disease monitoring and therapeutic intervention.
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Affiliation(s)
- Tingliang Wang
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yun Zhang
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xuelan Chen
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zhenxing Huang
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xinghuan Liang
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yingfen Qin
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zuojie Luo
- Department of Endocrinology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Yang Y, Zhang X, Jing L, Xiao Y, Gao Y, Hu Y, Jia S, Zhou G, Xiong H, Dong G. MDSC-derived S100A8/9 contributes to lupus pathogenesis by promoting TLR7-mediated activation of macrophages and dendritic cells. Cell Mol Life Sci 2024; 81:110. [PMID: 38429401 PMCID: PMC10907481 DOI: 10.1007/s00018-024-05155-w] [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: 08/25/2023] [Revised: 01/17/2024] [Accepted: 02/04/2024] [Indexed: 03/03/2024]
Abstract
Toll-like receptors (TLRs), especially TLR7, play an important role in systemic lupus erythematosus (SLE) pathogenesis. However, the regulatory mechanism underlying the abnormal activation of TLR pathways in patients with SLE has not been elucidated. Notably, accumulating evidence indicates that myeloid-derived suppressor cells (MDSCs) are important regulators of inflammation and autoimmune diseases. Compared with healthy control subjects, patients with SLE have a greater proportion of MDSCs among peripheral blood mononuclear cells (PBMCs); however, the effect of MDSCs on TLR7 pathway activation has not been determined. In the present study, lupus MDSCs significantly promoted TLR7 pathway activation in macrophages and dendritic cells (DCs), exacerbating the imiquimod-induced lupus model. RNA-sequencing analysis revealed significant overexpression of S100 calcium-binding protein A8 (S100A8) and S100A9 in MDSCs from diseased MRL/lpr mice. In vitro and in vivo studies demonstrated that S100A8/9 effectively promoted TLR7 pathway activation and that S100A8/9 deficiency reversed the promoting effect of MDSCs on TLR7 pathway activation in lupus. Mechanistically, MDSC-derived S100A8/9 upregulated interferon gamma (IFN-γ) secretion by macrophages and IFN-γ subsequently promoted TLR7 pathway activation in an autocrine manner. Taken together, these findings suggest that lupus MDSCs promote TLR7 pathway activation and lupus pathogenesis through the S100A8/9-IFN-γ axis. Our study identified an important target for SLE therapy.
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Affiliation(s)
- Yonghong Yang
- Medical Research Center, Affiliated Hospital of Jining Medical University, Jining, 272029, Shandong, China
| | - Xin Zhang
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Lina Jing
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Yucai Xiao
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Yangzhe Gao
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Yuxin Hu
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Shujiao Jia
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China
| | - Guangxi Zhou
- Medical Research Center, Affiliated Hospital of Jining Medical University, Jining, 272029, Shandong, China.
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China.
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, 272067, Shandong, China.
| | - Guanjun Dong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, 272067, Shandong, China.
- Jining Key Laboratory of Immunology, Jining Medical University, Jining, 272067, Shandong, China.
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Tao T, Tang A, Lv L, Yuan J, Wu L, Zhao L, Chen J. Investigating the causal relationship and potential shared diagnostic genes between primary biliary cholangitis and systemic lupus erythematosus using bidirectional Mendelian randomization and transcriptomic analyses. Front Immunol 2024; 15:1270401. [PMID: 38464525 PMCID: PMC10921416 DOI: 10.3389/fimmu.2024.1270401] [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: 07/31/2023] [Accepted: 02/05/2024] [Indexed: 03/12/2024] Open
Abstract
Background The co-occurrence of primary biliary cholangitis (PBC) and systemic lupus erythematosus (SLE) has been consistently reported in observational studies. Nevertheless, the underlying causal correlation between these two conditions still needs to be established. Methods We performed a bidirectional two-sample Mendelian randomization (MR) study to assess their causal association. Five MR analysis methods were utilized for causal inference, with inverse-variance weighted (IVW) selected as the primary method. The Mendelian Randomization Pleiotropy RESidual Sum and Outlier (MR-PRESSO) and the IVW Radial method were applied to exclude outlying SNPs. To assess the robustness of the MR results, five sensitivity analyses were carried out. Multivariable MR (MVMR) analysis was also employed to evaluate the effect of possible confounders. In addition, we integrated transcriptomic data from PBC and SLE, employing Weighted Gene Co-expression Network Analysis (WGCNA) to explore shared genes between the two diseases. Then, we used Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment methods to perform on the shared genes. The Least Absolute Shrinkage and Selection Operator (LASSO) regression algorithm was utilized to identify potential shared diagnostic genes. Finally, we verified the potential shared diagnostic genes in peripheral blood mononuclear cells (PBMCs)-specific cell populations of SLE patients by single-cell analysis. Results Our MR study provided evidence that PBC had a causal relationship with SLE (IVW, OR: 1.347, 95% CI: 1.276 - 1.422, P < 0.001) after removing outliers (MR-PRESSO, rs35464393, rs3771317; IVW Radial, rs11065987, rs12924729, rs3745516). Conversely, SLE also had a causal association with PBC (IVW, OR: 1.225, 95% CI: 1.141 - 1.315, P < 0.001) after outlier correction (MR-PRESSO, rs11065987, rs3763295, rs7774434; IVW Radial, rs2297067). Sensitivity analyses confirmed the robustness of the MR findings. MVMR analysis indicated that body mass index (BMI), smoking and drinking were not confounding factors. Moreover, bioinformatic analysis identified PARP9, ABCA1, CEACAM1, and DDX60L as promising diagnostic biomarkers for PBC and SLE. These four genes are highly expressed in CD14+ monocytes in PBMCs of SLE patients and potentially associated with innate immune responses and immune activation. Conclusion Our study confirmed the bidirectional causal relationship between PBC and SLE and identified PARP9, ABCA1, CEACAM1, and DDX60L genes as the most potentially shared diagnostic genes between the two diseases, providing insights for the exploration of the underlying mechanisms of these disorders.
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Affiliation(s)
- Tian Tao
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Anqi Tang
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lizeyu Lv
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jianhua Yuan
- Department of Cardiovascular Medicine, Chengdu Second People’s Hospital, Chengdu, Chengdu, China
| | - Ling Wu
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Liangbin Zhao
- Department of Nephrology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jun Chen
- Department of Intensive Care Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Lin CMA, Isaacs JD, Cooles FAH. Role of IFN-α in Rheumatoid Arthritis. Curr Rheumatol Rep 2024; 26:37-52. [PMID: 38051494 PMCID: PMC10787895 DOI: 10.1007/s11926-023-01125-6] [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] [Accepted: 11/07/2023] [Indexed: 12/07/2023]
Abstract
PURPOSE OF REVIEW Type 1 interferons (IFN-I) are of increasing interest across a wide range of autoimmune rheumatic diseases. Historically, research into their role in rheumatoid arthritis (RA) has been relatively neglected, but recent work continues to highlight a potential contribution to RA pathophysiology. RECENT FINDINGS We emphasise the importance of disease stage when examining IFN-I in RA and provide an overview on how IFN-I may have a direct role on a variety of relevant cellular functions. We explore how clinical trajectory may be influenced by increased IFN-I signalling, and also, the limitations of scores composed of interferon response genes. Relevant environmental triggers and inheritable RA genetic risk relating to IFN-I signalling are explored with emphasis on intriguing data potentially linking IFN-I exposure, epigenetic changes, and disease relevant processes. Whilst these data cumulatively illustrate a likely role for IFN-I in RA, they also highlight the knowledge gaps, particularly in populations at risk for RA, and suggest directions for future research to both better understand IFN-I biology and inform targeted therapeutic strategies.
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Affiliation(s)
- Chung M A Lin
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - John D Isaacs
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Faye A H Cooles
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.
- Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne, UK.
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50
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Xian W, Liu B, Li J, Yang Y, Hong S, Xiao H, Wu D, Li Y. Graves' disease and systemic lupus erythematosus: a Mendelian randomization study. Front Immunol 2024; 15:1273358. [PMID: 38352885 PMCID: PMC10863043 DOI: 10.3389/fimmu.2024.1273358] [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: 08/06/2023] [Accepted: 01/12/2024] [Indexed: 02/16/2024] Open
Abstract
Introduction Previous observational studies have established a correlation between Graves' disease(GD) and systemic lupus erythematosus(SLE). However, whether a causal relationship exists between these two diseases remains unknown.We utilized Mendelian randomization to infer the causal association between GD and SLE. Methods This study employed GWAS summary statistics of GD and SLE in individuals of Asian descent. The random effect inverse variance weighted (IVW) method was utilized to aggregate the causal effect estimates of all SNPs. Cochran's Q values were computed to evaluate the heterogeneity among instrumental variables. Sensitivity analyses such as MR-Egger method, median weighting method, leave-one-out method, and MR-PRESSO method were used to test whether there was horizontal pleiotropy of instrumental variables. Results Our study found genetically predicted GD may increase risk of SLE (OR=1.17, 95% CI 0.99-1.40, p=0.069). Additionally, genetically predicted SLE elevated the risk of developing GD by 15% (OR=1.15, 95% CI 1.05-1.27, p= 0.004). After correcting for possible horizontal pleiotropy by excluding outlier SNPs, the results suggested that GD increased the risk of SLE (OR=1.27, 95% CI 1.09-1.48, p =0.018), while SLE also increased the risk of developing GD (OR=1.13, 95% CI 1.05-1.22, p =0.003). Conclusion The findings of the study indicate that there may be a correlation between GD and SLE, with each potentially increasing the risk of the other. These results have important implications for the screening and treatment of patients with co-morbidities in clinical settings, as well as for further research into the molecular mechanisms underlying the relationship between GD and SLE.
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Affiliation(s)
- Wei Xian
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
- Department of Pediatric Allergy, Immunology & Rheumatology, Guangzhou Women and Children’s Medical Center, Guangzhou, Guangdong, China
| | - Boyuan Liu
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Jinjian Li
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yuxin Yang
- Zhongshan School of Medicine, Sun Yat Sen University, Guangzhou, Guangdong, China
| | - Shubin Hong
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Haipeng Xiao
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Dide Wu
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Yanbing Li
- Department of Endocrinology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong, China
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