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Beurier P, Ricard L, Eshagh D, Malard F, Siblany L, Fain O, Mohty M, Gaugler B, Mekinian A. TFH cells in systemic sclerosis. J Transl Med 2021; 19:375. [PMID: 34461933 PMCID: PMC8407089 DOI: 10.1186/s12967-021-03049-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/20/2021] [Indexed: 12/17/2022] Open
Abstract
Systemic sclerosis is an autoimmune disease characterized by excessive dermal fibrosis with progression to internal organs, vascular impairment and immune dysregulation evidenced by the infiltration of inflammatory cells in affected tissues and the production of auto antibodies. While the pathogenesis remains unclear, several data highlight that T and B cells deregulation is implicated in the disease pathogenesis. Over the last decade, aberrant responses of circulating T follicular helper cells, a subset of CD4 T cells which are able to localise predominantly in the B cell follicles through a high level of chemokine receptor CXCR5 expression are described in pathogenesis of several autoimmune diseases and chronic graft-versus-host-disease. In the present review, we summarized the observed alteration of number and frequency of circulating T follicular helper cells in systemic sclerosis. We described their role in aberrant B cell activation and differentiation though interleukine-21 secretion. We also clarified T follicular helper-like cells involvement in fibrogenesis in both human and mouse model. Finally, because T follicular helper cells are involved in both fibrosis and autoimmune abnormalities in systemic sclerosis patients, we presented the different strategies could be used to target T follicular helper cells in systemic sclerosis, the therapeutic trials currently being carried out and the future perspectives from other auto-immune diseases and graft-versus-host-disease models.
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Affiliation(s)
- Pauline Beurier
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France
| | - Laure Ricard
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France.,Service D'Hématologie Clinique, AP-HP, Hôpital Saint-Antoine, 75012, Paris, France
| | - Deborah Eshagh
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France
| | - Florent Malard
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France.,Service D'Hématologie Clinique, AP-HP, Hôpital Saint-Antoine, 75012, Paris, France
| | - Lama Siblany
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France
| | - Olivier Fain
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France
| | - Mohamad Mohty
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France.,Sorbonne Université, Paris, France.,Service D'Hématologie Clinique, AP-HP, Hôpital Saint-Antoine, 75012, Paris, France
| | - Béatrice Gaugler
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France
| | - Arsène Mekinian
- INSERM UMRs 938, Centre de Recherche Saint-Antoine, AP-HP, Hôpital Saint-Antoine, Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DHU i2B), Sorbonne Université, 75012, Paris, France. .,Sorbonne Université, Paris, France. .,Service de Médecine Interne and Inflammation-Immunopathology-Biotherapy Department (DMU 3iD), AP-HP, Hôpital Saint-Antoine, 75012, Paris, France.
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Ye W, Kong X, Zhang W, Weng Z, Wu X. The Roles of γδ T Cells in Hematopoietic Stem Cell Transplantation. Cell Transplant 2021; 29:963689720966980. [PMID: 33073597 PMCID: PMC7784584 DOI: 10.1177/0963689720966980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The αβ T-cell-depleted hematopoietic stem cell transplantation (HSCT) leads to lower relapse and better outcome, and may correlate strongly with expansion of donor-derived γδ T cells. γδ T cells play an important role in immune reconstitution and can exert a graft-versus-leukemia effect after HSCT. This review showed the recent literature on immune functions of γδ T cells after HSCT. The discrepancies between studies of γδ T cells in graft-versus-host disease may cause by its heterogeneous and various distinct subsets. And reconstitution of γδ T cells may play a potential immunoregulatory role in the infections after HSCT.
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Affiliation(s)
- Wanyi Ye
- Institute of Hematology, School of Medicine, 47885Jinan University, Guangzhou, China
| | - Xueting Kong
- Institute of Hematology, School of Medicine, 47885Jinan University, Guangzhou, China
| | - Wenbin Zhang
- Institute of Hematology, School of Medicine, 47885Jinan University, Guangzhou, China
| | - Zheng Weng
- Institute of Hematology, School of Medicine, 47885Jinan University, Guangzhou, China
| | - Xiuli Wu
- Institute of Hematology, School of Medicine, 47885Jinan University, Guangzhou, China.,Key Laboratory for Regenerative Medicine of Ministry of Education, 47885Jinan University, Guangzhou, China
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Wnt/β-catenin signaling mediates the abnormal osteogenic and adipogenic capabilities of bone marrow mesenchymal stem cells from chronic graft-versus-host disease patients. Cell Death Dis 2021; 12:308. [PMID: 33758171 PMCID: PMC7988169 DOI: 10.1038/s41419-021-03570-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 02/25/2021] [Accepted: 02/27/2021] [Indexed: 12/30/2022]
Abstract
Chronic graft-versus-host disease (cGVHD) is the main cause of non-relapse mortality after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Mesenchymal stem cells (MSCs) in bone marrow (BM) remain unclear in the pathophysiology of cGVHD. In this study, we analyzed BM-MSCs from 66 patients after allo-HSCT, including 33 with active cGVHD and 33 without cGVHD. BM-MSCs showed similar morphology, frequency, phenotype, and proliferation in patients with or without cGVHD. MSCs from the active cGVHD group showed a decreased apoptosis rate (P < 0.01). Osteogenic capacity was increased while adipogenic capacity was decreased in the active cGVHD MSCs compared with no-cGVHD MSCs. The expressions of osteogenic gene RUNX2 and COL1A1 were higher (P < 0.001) while adipogenic gene PPAR-γ and FABP4 were lower (P < 0.001) in the active cGVHD MSCs than no-cGVHD MSCs. These changes were associated with the severity of cGVHD (P < 0.0001; r = 0.534, r = 0.476, r = -0.796, and r = -0.747, respectively in RUNX2, COL1A1, PPAR-γ, and FABP4). The expression of Wnt/β-catenin pathway ligand Wnt3a was increased in cGVHD-MSCs. The dysfunction of cGVHD-MSCs could be reversed by Dickkopf related protein 1(DKK1) to inhibit the binding of Wnt3a. In summary, the differentiation of BM-MSCs was abnormal in active cGVHD, and its underlying mechanism is the upregulated of Wnt3a through Wnt/β-catenin signaling pathway of MSCs.
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Yang K, Chen Y, Qi H, Ye Y, Fan Z, Huang F, Zhang H, Suo Y, Liu Q, Jin H. Anti-Ro52 Autoantibodies Are Related to Chronic Graft-vs.-Host Disease After Allogeneic Hematopoietic Stem Cell Transplantation. Front Immunol 2020; 11:1505. [PMID: 32849514 PMCID: PMC7399095 DOI: 10.3389/fimmu.2020.01505] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 06/09/2020] [Indexed: 01/14/2023] Open
Abstract
Chronic graft-vs.-host disease (cGVHD) remains a major cause of morbidity and mortality after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Previous studies have shown that autoantibodies play an important role in the development of cGVHD. Anti-nuclear autoantibodies (ANA) is the most frequently detected autoantibodies in patients with cGVHD, but the role of anti-Ro52 autoantibodies (anti-Ro52) in cGVHD remains largely unknown. In this study, we analyzed autoantibodies from 84 patients after allo-HSCT, including 42 with active cGVHD and 42 without cGVHD. Autoantibodies were found in 36 (42.9%) patients. Among these autoantibody-positive patients, 28 (77.8%) patients had active cGVHD. The most frequent autoantibodies in patients with active cGVHD were ANA (50.0%), anti-Ro52 (28.6%) and anti-mitochondrial autoantibodies type 2 (4.8%). We further explored the association between anti-Ro52 and cGVHD. Patients with active cGVHD had higher anti-Ro52 levels than patients without cGVHD (P < 0.05). The increases of anti-Ro52 levels were more significant in patients with moderate/severe cGVHD compared to those of patients without cGVHD (P < 0.05). Stratified and multivariable logistic regression analysis demonstrated that moderate/severe cGVHD was an independent risk factor for the levels of anti-Ro52 (P < 0.01). ROC analysis confirmed anti-Ro52 as a risk factor for progression of skin cGVHD. Moreover, the anti-Ro52 levels were highly correlated with the levels of B cell-activating factor (BAFF) and IgG1 antibodies. Our study demonstrates that anti-Ro52 is associated with cGVHD. The increased levels of anti-Ro52 were associated with higher levels of BAFF and IgG1 antibodies, suggesting a mechanistic link between elevated anti-Ro52 levels and aberrant B cell homeostasis.
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Affiliation(s)
- Kaibo Yang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yanqiu Chen
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Hanzhou Qi
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yiling Ye
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Zhiping Fan
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fen Huang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Haiyan Zhang
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yuan Suo
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Qifa Liu
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering, Southern Medical University, Guangdong, China
| | - Hua Jin
- Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Teng X, Li F, Lu C. Visualization of materials using the confocal laser scanning microscopy technique. Chem Soc Rev 2020; 49:2408-2425. [PMID: 32134417 DOI: 10.1039/c8cs00061a] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The development of materials science always benefits from advanced characterizations. Currently, imaging techniques are of great technological importance in both fundamental and applied research on materials. In comparison to conventional visualization methods, confocal laser scanning microscopy (CLSM) is non-invasive, with macroscale and high-contrast scanning, a simple and fast sample preparation procedure as well as easy operation. In addition, CLSM allows rapid acquisition of longitudinal and cross-sectional images at any position in a material. Therefore, the CLSM-based visualization technique could provide direct and model-independent insight into material characterizations. This review summarizes the recent applications of CLSM in materials science. The current CLSM approaches for the visualization of surface structures, internal structures, spatial structures and reaction processes are discussed in detail. Finally, we provide our thoughts and predictions on the future development of CLSM in materials science. The purpose of this review is to guide researchers to build a suitable CLSM approach for material characterizations, and to open viable opportunities and inspirations for the development of new strategies aiming at the preparation of advanced materials. We hope that this review will be useful for a wide range of research communities of materials science, chemistry, and engineering.
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Affiliation(s)
- Xu Teng
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering (BAICAS), State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
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Seth A, Craft J. Spatial and functional heterogeneity of follicular helper T cells in autoimmunity. Curr Opin Immunol 2019; 61:1-9. [PMID: 31374450 DOI: 10.1016/j.coi.2019.06.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 06/21/2019] [Accepted: 06/25/2019] [Indexed: 12/16/2022]
Abstract
Follicular helper T cells provide signals that promote B cell development, proliferation, and production of affinity matured and appropriately isotype switched antibodies. In addition to their classical locations within B cell follicles and germinal centers therein, B cell helper T cells are also found in extrafollicular spaces - either in secondary lymphoid or non-lymphoid tissues. Both follicular and extrafollicular T helper cells drive autoantibody-mediated autoimmunity. Interfering with B cell help provided by T cells can ameliorate autoimmune disease in animal models and human patients. The next frontier in Tfh cell biology will be identification of Tfh cell-specific pathogenic changes in autoimmunity and exploiting them for therapeutic purposes.
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Affiliation(s)
- Abhinav Seth
- Department of Internal Medicine, Section of Rheumatology, New Haven, CT, United States
| | - Joe Craft
- Department of Internal Medicine, Section of Rheumatology, New Haven, CT, United States; Department of Immunobiology, Yale University School of Medicine, New Haven, CT, United States.
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