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Polis B, Cuda CM, Putterman C. Animal models of neuropsychiatric systemic lupus erythematosus: deciphering the complexity and guiding therapeutic development. Autoimmunity 2024; 57:2330387. [PMID: 38555866 DOI: 10.1080/08916934.2024.2330387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Accepted: 03/10/2024] [Indexed: 04/02/2024]
Abstract
Systemic lupus erythematosus (SLE) poses formidable challenges due to its multifaceted etiology while impacting multiple tissues and organs and displaying diverse clinical manifestations. Genetic and environmental factors contribute to SLE complexity, with relatively limited approved therapeutic options. Murine models offer insights into SLE pathogenesis but do not always replicate the nuances of human disease. This review critically evaluates spontaneous and induced animal models, emphasizing their validity and relevance to neuropsychiatric SLE (NPSLE). While these models undoubtedly contribute to understanding disease pathophysiology, discrepancies persist in mimicking some NPSLE intricacies. The lack of literature addressing this issue impedes therapeutic progress. We underscore the urgent need for refining models that truly reflect NPSLE complexities to enhance translational fidelity. We encourage a comprehensive, creative translational approach for targeted SLE interventions, balancing scientific progress with ethical considerations to eventually improve the management of NPSLE patients. A thorough grasp of these issues informs researchers in designing experiments, interpreting results, and exploring alternatives to advance NPSLE research.
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Affiliation(s)
- Baruh Polis
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
- Research Institute, Galilee Medical Center, Nahariya, Israel
| | - Carla M Cuda
- Division of Rheumatology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Chaim Putterman
- Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
- Research Institute, Galilee Medical Center, Nahariya, Israel
- Division of Rheumatology and Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA
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Fouda A, Maallah MT, Kouyoumdjian A, Negi S, Paraskevas S, Tchervenkov J. RORγt inverse agonist TF-S14 inhibits Th17 cytokines and prolongs skin allograft survival in sensitized mice. Commun Biol 2024; 7:454. [PMID: 38609465 PMCID: PMC11014929 DOI: 10.1038/s42003-024-06144-2] [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: 10/24/2023] [Accepted: 04/04/2024] [Indexed: 04/14/2024] Open
Abstract
Chronic antibody mediated rejection (AMR) is the major cause of solid organ graft rejection. Th17 contributes to AMR through the secretion of IL17A, IL21 and IL22. These cytokines promote neutrophilic infiltration, B cell proliferation and donor specific antibodies (DSAs) production. In the current study we investigated the role of Th17 in transplant sensitization. Additionally, we investigated the therapeutic potential of novel inverse agonists of the retinoic acid receptor-related orphan receptor gamma t (RORγt) in the treatment of skin allograft rejection in sensitized mice. Our results show that RORγt inverse agonists reduce cytokine production in human Th17 cells in vitro. In mice, we demonstrate that the RORγt inverse agonist TF-S14 reduces Th17 signature cytokines in vitro and in vivo and leads to blocking neutrophilic infiltration to skin allografts, inhibition of the B-cell differentiation, and the reduction of de novo IgG3 DSAs production. Finally, we show that TF-S14 prolongs the survival of a total mismatch grafts in sensitized mice. In conclusion, RORγt inverse agonists offer a therapeutic intervention through a novel mechanism to treat rejection in highly sensitized patients.
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Affiliation(s)
- Ahmed Fouda
- Division of Surgical and Interventional Sciences, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada.
- Research Institute of the McGill University Health Centre, Montréal, QC, H3H 2R9, Canada.
- McGill University Health Centre, Montréal, QC, H4A 3J1, Canada.
| | - Mohamed Taoubane Maallah
- Division of Surgical and Interventional Sciences, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada
- Research Institute of the McGill University Health Centre, Montréal, QC, H3H 2R9, Canada
- McGill University Health Centre, Montréal, QC, H4A 3J1, Canada
| | - Araz Kouyoumdjian
- Research Institute of the McGill University Health Centre, Montréal, QC, H3H 2R9, Canada
- McGill University Health Centre, Montréal, QC, H4A 3J1, Canada
- Division of General Surgery, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada
| | - Sarita Negi
- Research Institute of the McGill University Health Centre, Montréal, QC, H3H 2R9, Canada
| | - Steven Paraskevas
- Division of Surgical and Interventional Sciences, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada
- Research Institute of the McGill University Health Centre, Montréal, QC, H3H 2R9, Canada
- McGill University Health Centre, Montréal, QC, H4A 3J1, Canada
- Division of General Surgery, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada
| | - Jean Tchervenkov
- Division of Surgical and Interventional Sciences, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada.
- Research Institute of the McGill University Health Centre, Montréal, QC, H3H 2R9, Canada.
- McGill University Health Centre, Montréal, QC, H4A 3J1, Canada.
- Division of General Surgery, Department of Surgery, McGill University, Montréal, QC, H3G 1A4, Canada.
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Yan T, Zhang Z. Adaptive and innate immune pathogenesis of bullous pemphigoid: A review. Front Immunol 2023; 14:1144429. [PMID: 36993969 PMCID: PMC10041874 DOI: 10.3389/fimmu.2023.1144429] [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: 01/14/2023] [Accepted: 02/24/2023] [Indexed: 03/12/2023] Open
Abstract
Bullous pemphigoid (BP) is an autoimmune blistering disease that primarily affects elderly individuals. The presentation of BP is heterogeneous, typically manifesting as microscopic subepidermal separation with a mixed inflammatory infiltrate. The mechanism of pemphigoid development is unclear. B cells play a major role in pathogenic autoantibody production, and T cells, type II inflammatory cytokines, eosinophils, mast cells, neutrophils, and keratinocytes are also implicated in the pathogenesis of BP. Here, we review the roles of and crosstalk between innate and adaptive immune cells in BP.
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Affiliation(s)
- Tianmeng Yan
- Department of Dermatology, The University of Hong Kong Shenzhen Hospital, Shenzhen, China
| | - Zhenying Zhang
- Department of Dermatology, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
- *Correspondence: Zhenying Zhang,
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Carreón-Talavera R, Santana-Sánchez P, Fuentes-Pananá EM, Legorreta-Haquet MV, Chávez-Sánchez L, Gorocica-Rosete PS, Chávez-Rueda AK. Prolactin promotes proliferation of germinal center B cells, formation of plasma cells, and elevated levels of IgG3 anti-dsDNA autoantibodies. Front Immunol 2022; 13:1017115. [DOI: 10.3389/fimmu.2022.1017115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/11/2022] [Indexed: 11/13/2022] Open
Abstract
Systemic lupus erythematosus (SLE) mainly affects females at reproductive age, which has been associated with hormones, such as prolactin (PRL). Different studies suggest that PRL exacerbates the clinical manifestations of SLE both in patients and in mouse models (e.g., the MRL/lpr strain), increasing the production of autoantibodies, which can be deposited as immune complexes and trigger inflammation and damage to different tissues. The objective of this work was to explore the potential mechanisms by which PRL increases the concentration of self-reactive antibodies in the MRL/lpr SLE model. To this end, we determined the role of PRL on the activation and proliferation of germinal center B cells (B-GCs) and their differentiation into antibody-secreting cells (ASCs). We show that the absolute number and percentage of B-GCs were significantly increased by PRL in vivo or upon in vitro treatment with anti-IgM and anti-CD40 antibodies and PRL. The augmented B-GC numbers correlated with enhanced proliferation, but we did not observe enhanced expression of CD80 and CD86 activation markers or the BCL6 transcription factor, arguing against a more effective differentiation. Nevertheless, we observed enhanced phosphorylation of STAT1, secretion of IL-6, expression of IRF4, numbers of ASCs, and levels of IgG3 antibodies directed against dsDNA. Altogether, these results support the hypothesis that a PRL-mediated expansion of B-GCs yields more self-reactive ASCs, potentially explaining the pathogenic immune complexes that steadily lead to tissue damage during SLE.
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Gao X, Song Y, Du P, Yang S, Cui H, Lu S, Hu L, Liu L, Jia S, Zhao M. Administration of a microRNA-21 inhibitor improves the lupus-like phenotype in MRL/lpr mice by repressing Tfh cell-mediated autoimmune responses. Int Immunopharmacol 2022; 106:108578. [DOI: 10.1016/j.intimp.2022.108578] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 01/13/2022] [Accepted: 01/23/2022] [Indexed: 12/31/2022]
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Wu H, Deng Y, Long D, Yang M, Li Q, Feng Y, Chen Y, Qiu H, Huang X, He Z, Hu L, Yin H, Li G, Guo Y, Du W, Zhao M, Lu L, Lu Q. The IL-21-TET2-AIM2-c-MAF pathway drives the T follicular helper cell response in lupus-like disease. Clin Transl Med 2022; 12:e781. [PMID: 35343082 PMCID: PMC8958352 DOI: 10.1002/ctm2.781] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 03/02/2022] [Accepted: 03/07/2022] [Indexed: 12/14/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that involves T follicular helper (TFH ) cell-mediated humoral immune responses. Absent in melanoma 2 (human AIM2 and murine Aim2) is a well-known component of the inflammasome in the innate immune system. Surprisingly, we observed that in SLE patients, upregulated levels of AIM2 expression were found in peripheral blood and skin lesions, with the highest levels detected in TFH -like cells. In the CD4cre Aim2fl/fl conditional knockout mice, a markedly reduced TFH cell response was observed, with significantly lower levels of serum autoantibodies and proteinuria, as well as profoundly reduced renal IgG deposition in pristane-induced lupus mice. Mechanistically, IL-21 was found to recruit hydroxymethyltransferase ten-eleven translocation 2 (TET2) to the AIM2 promoter, resulting in DNA demethylation and increased transcription of AIM2. In addition, AIM2 could regulate c-MAF expression to enhance IL-21 production, which consequently promoted TFH cell differentiation. Our results have identified a role of AIM2 in promoting the TFH cell response and further revealed that the IL-21-TET2-AIM2-c-MAF signalling pathway is dysregulated in lupus pathogenesis, which provides a potential therapeutic target for SLE.
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Affiliation(s)
- Haijing Wu
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Yaxiong Deng
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Di Long
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Ming Yang
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Qianwen Li
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Yu Feng
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Yongjian Chen
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Hong Qiu
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Xin Huang
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Zhenghao He
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Longyuan Hu
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Heng Yin
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Guangdi Li
- Department of Public HealthCentral South UniversityChangshaChina
| | - Yunkai Guo
- Department of Otolaryngology Head and Neck SurgerySecond Xiangya HospitalCentral South UniversityChangshaChina
| | - Wenhan Du
- Department of Pathology and Center for Infection and ImmunologyThe University of Hong KongChongqing International Institute for ImmunologyHong KongChina
| | - Ming Zhao
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
| | - Liwei Lu
- Department of Pathology and Center for Infection and ImmunologyThe University of Hong KongChongqing International Institute for ImmunologyHong KongChina
| | - Qianjin Lu
- Department of DermatologySecond Xiangya HospitalHunan Key Laboratory of Medical EpigenomicsCentral South UniversityChangshaChina
- Chinese Academy of Medical Sciences and Peking Union Medical CollegeInstitute of DermatologyNanjingChina
- Key Laboratory of Basic and Translational Research on Immune‐Mediated Skin DiseasesNanjingChina
- Chinese Academy of Medical SciencesJiangsu Key Laboratory of Molecular Biology for Skin Diseases and STIsNanjingChina
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