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Sagrero-Fabela N, Chávez-Mireles R, Salazar-Camarena DC, Palafox-Sánchez CA. Exploring the Role of PD-1 in the Autoimmune Response: Insights into Its Implication in Systemic Lupus Erythematosus. Int J Mol Sci 2024; 25:7726. [PMID: 39062968 PMCID: PMC11277507 DOI: 10.3390/ijms25147726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Despite advances in understanding systemic lupus erythematosus (SLE), many challenges remain in unraveling the precise mechanisms behind the disease's development and progression. Recent evidence has questioned the role of programmed cell death protein 1 (PD-1) in suppressing autoreactive CD4+ T cells during autoimmune responses. Research has investigated the potential impacts of PD-1 on various CD4+ T-cell subpopulations, including T follicular helper (Tfh) cells, circulating Tfh (cTfh) cells, and T peripheral helper (Tph) cells, all of which exhibit substantial PD-1 expression and are closely related to several autoimmune disorders, including SLE. This review highlights the complex role of PD-1 in autoimmunity and emphasizes the imperative for further research to elucidate its functions during autoreactive T-cell responses. Additionally, we address the potential of PD-1 and its ligands as possible therapeutic targets in SLE.
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Affiliation(s)
- Nefertari Sagrero-Fabela
- Doctorado en Ciencias Biomédicas (DCB), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (N.S.-F.); (R.C.-M.)
- Grupo de Inmunología Molecular, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico;
| | - Ramón Chávez-Mireles
- Doctorado en Ciencias Biomédicas (DCB), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico; (N.S.-F.); (R.C.-M.)
| | - Diana Celeste Salazar-Camarena
- Grupo de Inmunología Molecular, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico;
| | - Claudia Azucena Palafox-Sánchez
- Grupo de Inmunología Molecular, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico;
- Instituto de Investigación en Ciencias Biomédicas (IICB), Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Mexico
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Mohammad Piri S, Amin Habibi M, Shool S, Khazaeli Najafabadi M, Ahmadpour S, Alemi F, Aria Nejadghaderi S, Shokri P, Abdi M, Asghari N, Amir Asef-Agah S, Tavakolpour S. Role of T follicular helper cells in autoimmune rheumatic Diseases: A systematic review on immunopathogenesis and response to treatment. Hum Immunol 2024; 85:110838. [PMID: 38970880 DOI: 10.1016/j.humimm.2024.110838] [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: 02/07/2024] [Revised: 06/09/2024] [Accepted: 06/28/2024] [Indexed: 07/08/2024]
Abstract
BACKGROUND T follicular helper (Tfh) cells are a subdivision of T helper cells involved in antigen-specific B cell immunity. Tfh cells play an essential role in the interaction of T cells/B cells in the germinal centers (GC), and dysregulation of Tfh actions can offer pathogenic autoantibody formation and lead to the development of autoimmune diseases. This study seeks to evaluate changes in Tfh frequency and its related cytokines in autoimmune disease, its association with disease phase, severity, prognosis, and the effect of immunosuppressive treatment on the Tfh population. METHOD The study adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) 2020 Statement. Electronic databases, including PubMed, Scopus, Web of Science, and Embase, were systematically searched for potentially eligible studies up to January 1, 2024. RESULTS We identified 4998 articles in the initial search, from which 1686 similar titles were removed. A total of 3312 articles were initially screened, and 3051 articles were excluded by title/abstract screening. A total of 261 studies were considered for full-text assessment, and 205 articles were excluded by reason. Finally, a total of 56 studies were included in our review. CONCLUSION The population of Tfh cells is generally higher in autoimmune diseases versus Health control. Moreover, the number of Tfh cells is associated with the disease severity and can be considered for determining the prognosis of studies. Also, peripheral blood circulating Tfh (cTfh) cells are an available sample that can be used as an indicator for diagnosing diseases.
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Affiliation(s)
- Seyed Mohammad Piri
- Department of Pathology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
| | - Mohammad Amin Habibi
- Department of Neurosurgery, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
| | - Sina Shool
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | | | - Sajjad Ahmadpour
- Patient Safety Research Center, Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran.
| | - Fakhroddin Alemi
- School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.
| | - Seyed Aria Nejadghaderi
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Systematic Review and Meta-analysis Expert Group (SRMEG), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Pourya Shokri
- Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Mohtaram Abdi
- Student Research Committe, Faculty of Medicine, North Khorasan University of Medical Sciences, Bonjnurd, Iran.
| | - Negin Asghari
- Student Research Committe, Faculty of Medicine, North Khorasan University of Medical Sciences, Bonjnurd, Iran.
| | - Seyed Amir Asef-Agah
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Ritter J, Szelinski F, Aue A, Stefanski AL, Rincon-Arevalo H, Chen Y, Nitschke E, Dang VD, Wiedemann A, Schrezenmeier E, Lino AC, Dörner T. Elevated unphosphorylated STAT1 and IRF9 in T and B cells of primary sjögren's syndrome: Novel biomarkers for disease activity and subsets. J Autoimmun 2024; 147:103243. [PMID: 38788537 DOI: 10.1016/j.jaut.2024.103243] [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: 08/06/2023] [Revised: 03/23/2024] [Accepted: 05/05/2024] [Indexed: 05/26/2024]
Abstract
OBJECTIVES Autoreactive B cells and interferon (IFN) signature are hallmarks of primary sjögren's syndrome (pSS), but how IFN signaling pathways influence autoantibody production and clinical manifestations remain unclear. More detailed studies hold promise for improved diagnostic methodologies and personalized treatment. METHODS We analyzed peripheral blood T and B cell subsets from 34 pSS patients and 38 healthy donors (HDs) at baseline and upon stimulation regarding their expression levels of type I and II IFN signaling molecules (STAT1/2, IRF1, IRF9). Additionally, we investigated how the levels of these molecules correlated with serological and clinical characteristics and performed ROC analysis. RESULTS Patients showed elevated IFN pathway molecules, including STAT1, STAT2 and IRF9 among most T and B cell subsets. We found a reduced ratio of phosphorylated STAT1 and STAT2 in patients in comparison to HDs, although B cells from patients were highly responsive by increased phosphorylation upon IFN stimulation. Correlation matrices showed further interrelations between STAT1, IRF1 and IRF9 in pSS. Levels of STAT1 and IRF9 in T and B cells correlated with the IFN type I marker Siglec-1 (CD169) on monocytes. High levels of STAT1 and IRF9 within pSS B cells were significantly associated with hypergammaglobulinemia as well as anti-SSA/anti-SSB autoantibodies. Elevated STAT1 levels were found in patients with extraglandular disease and could serve as a biomarker for this subgroup (p < 0.01). Notably, IRF9 levels in T and B cells correlated with EULAR Sjögren's syndrome disease activity index (ESSDAI). CONCLUSION Here, we provide evidence that in active pSS patients, enhanced IFN signaling incl. unphosphorylated STAT1 and STAT2 with IRFs entertain chronic T and B cell activation. Furthermore, increased STAT1 levels candidate as biomarker of extraglandular disease, while IRF9 levels can serve as biomarker for disease activity.
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Affiliation(s)
- Jacob Ritter
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, BIH Academy, Charitéplatz 1, 10117, Berlin, Germany
| | - Franziska Szelinski
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Arman Aue
- German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany; Department of Nephrology and Intensive Care, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Ana-Luisa Stefanski
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Hector Rincon-Arevalo
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany; Department of Nephrology and Intensive Care, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; Grupo de Inmunología Celular e Inmunogenética, Facultad de Medicina, Instituto de Investigaciones Médicas, Universidad de Antioquia UdeA, Medellín, Colombia
| | - Yidan Chen
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Eduard Nitschke
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Van Duc Dang
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Annika Wiedemann
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Eva Schrezenmeier
- German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany; Berlin Institute of Health at Charité - Universitätsmedizin Berlin, BIH Academy, Charitéplatz 1, 10117, Berlin, Germany; Department of Nephrology and Intensive Care, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Andreia C Lino
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany
| | - Thomas Dörner
- Department of Rheumatology and Clinical Immunology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany; German Rheumatism Research Center (DRFZ), a Leibniz Gesellschaft, Berlin, Germany.
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Xing Y, Li B, Wei P, Hua H. Profiles of peripheral B cell subsets in a cohort of primary Sjögren's syndrome patients and their potential clinical significance. J Dent Sci 2024; 19:1554-1563. [PMID: 39035330 PMCID: PMC11259624 DOI: 10.1016/j.jds.2023.12.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/26/2023] [Indexed: 07/23/2024] Open
Abstract
Background/purpose Primary Sjögren's syndrome is a prototypical autoimmune disease, with B cell dysfunction as a dominant feature. Further insights into distribution of B cell subsets in primary Sjögren's syndrome are urgently required to identify the most appropriate target subpopulation. We aimed to evaluate the profiles of B lymphocyte subpopulations in primary Sjögren's syndrome patients and to investigate their clinical significance. Materials and methods Thirty primary Sjögren's syndrome patients and 15 age-and sex-matched healthy controls were recruited. Peripheral B cell subsets were analyzed by flow cytometry. Results Compared to healthy controls, circulating CD19+ B cells, CD19+CD20- B cells, CD19+CD27-IgD+ naïve B cells, CD19+IgD+CD38high plasmablasts, CD19+CD24highCD38high transitional B cells and CD19+CD20-CD27+CD38+ plasma cells were elevated in patients with primary Sjögren's syndrome, whereas CD19+CD27+ memory B cells, CD19+CD27-IgD- double negative B cells and CD19+CD24hiCD27+ Bregs were decreased. Furthermore, the percentage of circulating CD19+CD20-CD27+CD38+ plasma cells was positively correlated with serum IgG levels and the proportional area of lymphocytic infiltration of labial gland. Conclusion We identified a comprehensive B lymphocyte subset distribution profile in primary Sjögren's syndrome. Moreover, we detected a clinical significance of CD19+CD20-CD27+CD38+ plasma cells, suggesting that these cells might play a key role in disease pathology and represent potential therapeutic targets.
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Affiliation(s)
- Yixiao Xing
- Department of Stomatology, Zhongshan Hospital, Fudan University, Shanghai, China
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing, China
| | - Boya Li
- Department of Oral Medicine, First Hospital Affiliated to Zhengzhou University, Zhengzhou, China
| | - Pan Wei
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing, China
| | - Hong Hua
- Department of Oral Medicine, Peking University School and Hospital of Stomatology, Beijing, China
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Yu Y, Lu C, Yu W, Lei Y, Sun S, Liu P, Bai F, Chen Y, Chen J. B Cells Dynamic in Aging and the Implications of Nutritional Regulation. Nutrients 2024; 16:487. [PMID: 38398810 PMCID: PMC10893126 DOI: 10.3390/nu16040487] [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: 01/07/2024] [Revised: 02/01/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Aging negatively affects B cell production, resulting in a decrease in B-1 and B-2 cells and impaired antibody responses. Age-related B cell subsets contribute to inflammation. Investigating age-related alterations in the B-cell pool and developing targeted therapies are crucial for combating autoimmune diseases in the elderly. Additionally, optimal nutrition, including carbohydrates, amino acids, vitamins, and especially lipids, play a vital role in supporting immune function and mitigating the age-related decline in B cell activity. Research on the influence of lipids on B cells shows promise for improving autoimmune diseases. Understanding the aging B-cell pool and considering nutritional interventions can inform strategies for promoting healthy aging and reducing the age-related disease burden.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Juan Chen
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing 100091, China; (Y.Y.)
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Zhou HY, Luo Q, Sui H, Du XN, Zhao YJ, Liu L, Guan Q, Zhou Y, Wen QS, Shi Y, Sun Y, Lin HL, Wang DP. Recent advances in the involvement of epigenetics in the pathogenesis of systemic lupus erythematosus. Clin Immunol 2024; 258:109857. [PMID: 38043757 DOI: 10.1016/j.clim.2023.109857] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/27/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
Systemic lupus erythematosus (SLE) is a typical systemic autoimmune disease that manifests as skin rash, arthritis, lymphadenopathy, and multiple organ lesions. Epigenetics, including DNA methylation, histone modification, and non-coding RNA regulation, mainly affect the function and characteristics of cells through the regulation of gene transcription or translation. Increasing evidence indicates that there are a variety of complex epigenetic effects in patients with SLE, which interfere with the differentiation and function of T, and B lymphocytes, monocytes, and neutrophils, and enhance the expression of SLE-associated pathogenic genes. This paper summarizes our currently knowledge regarding pathogenesis of SLE, and introduces current advances in the epigenetic regulation of SLE from three aspects: immune function, inflammatory response, and lupus complications. We propose that epigenetic changes could be used as potential biomarkers and therapeutic targets of SLE.
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Affiliation(s)
- Hong-Yan Zhou
- First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qi Luo
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hua Sui
- Integrated TCM and Western Medicine Collage of Dalian Medical University, Dalian, China
| | - Xiang-Ning Du
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yang-Jianing Zhao
- Integrated TCM and Western Medicine Collage of Dalian Medical University, Dalian, China
| | - Lu Liu
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qing Guan
- Integrated TCM and Western Medicine Collage of Dalian Medical University, Dalian, China
| | - Yue Zhou
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qing-Si Wen
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yan Shi
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yu Sun
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hong-Li Lin
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China.
| | - Da-Peng Wang
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China.
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Hinrichs AC, Kruize AA, Lafeber FPJG, Leavis HL, van Roon JAG. CCR9/CXCR5 Co-Expressing CD4 T Cells Are Increased in Primary Sjögren's Syndrome and Are Enriched in PD-1/ICOS-Expressing Effector T Cells. Int J Mol Sci 2023; 24:11952. [PMID: 37569326 PMCID: PMC10418442 DOI: 10.3390/ijms241511952] [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: 04/24/2023] [Revised: 06/21/2023] [Accepted: 07/21/2023] [Indexed: 08/13/2023] Open
Abstract
Primary Sjögren's syndrome (pSS) is an autoimmune disease characterised by B cell hyperactivity. CXCR5+ follicular helper T cells (Tfh), CXCR5-PD-1hi peripheral helper T cells (Tph) and CCR9+ Tfh-like cells have been implicated in driving B cell hyperactivity in pSS; however, their potential overlap has not been evaluated. Our aim was to study the overlap between the two CXCR5- cell subsets and to study their PD-1/ICOS expression compared to "true" CXCR5/PD-1/ICOS-expressing Tfh cells. CXCR5- Tph and CCR9+ Tfh-like cell populations from peripheral blood mononuclear cells of pSS patients and healthy controls (HC) were compared using flow cytometry. PD-1/ICOS expression from these cell subsets was compared to each other and to CXCR5+ Tfh cells, taking into account their differentiation status. CXCR5- Tph cells and CCR9+ Tfh-like cells, both in pSS patients and HC, showed limited overlap. PD-1/ICOS expression was higher in memory cells expressing CXCR5 or CCR9. However, the highest expression was found in CXCR5/CCR9 co-expressing T cells, which are enriched in the circulation of pSS patients. CXCR5- Tph and CCR9+ Tfh-like cells are two distinct cell populations that both are enriched in pSS patients and can drive B cell hyperactivity in pSS. The known upregulated expression of CCL25 and CXCL13, ligands of CCR9 and CXCR5, at pSS inflammatory sites suggests concerted action to facilitate the migration of CXCR5+CCR9+ T cells, which are characterised by the highest frequencies of PD-1/ICOS-positive cells. Hence, these co-expressing effector T cells may significantly contribute to the ongoing immune responses in pSS.
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Affiliation(s)
- Anneline C. Hinrichs
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
| | - Aike A. Kruize
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
| | - Floris P. J. G. Lafeber
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
| | - Helen L. Leavis
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
| | - Joel A. G. van Roon
- Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht University, 3508 Utrecht, The Netherlands
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Barcelos F, Brás-Geraldes C, Martins C, Papoila AL, Monteiro R, Cardigos J, Madeira N, Alves N, Vaz-Patto J, Cunha-Branco J, Borrego LM. Added value of lymphocyte subpopulations in the classification of Sjögren's syndrome. Sci Rep 2023; 13:6872. [PMID: 37106029 PMCID: PMC10140065 DOI: 10.1038/s41598-023-31782-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 03/17/2023] [Indexed: 04/29/2023] Open
Abstract
Sjögren's Syndrome (SjS) is a chronic systemic immune-mediated inflammatory disease characterized by lymphocytic infiltration and consequent lesion of exocrine glands. SjS diagnosis and classification remains a challenge, especially at SjS onset, when patients may have milder phenotypes of the disease or uncommon presentations. New biomarkers are needed for the classification of SjS, thus, we aimed to evaluate the added-value of lymphocyte subpopulations in discriminating SjS and non-Sjögren Sicca patients. Lymphocyte subsets from 62 SjS and 63 Sicca patients were characterized by flow cytometry. The 2002 AECG and the 2016 ACR/EULAR SjS classification criteria were compared with clinical diagnosis. The added discriminative ability of joining lymphocytic populations to classification criteria was assessed by the area under the Receiver-Operating-Characteristic Curve (AUC). Considering clinical diagnosis as the gold-standard, we obtained an AUC = 0.952 (95% CI: 0.916-0.989) for AECG and an AUC = 0.921 (95% CI: 0.875-0.966) for ACR/EULAR criteria. Adding Tfh and Bm1 subsets to AECG criteria, performance increased, attaining an AUC = 0.985 (95% CI: 0.968-1.000) (p = 0.021). Th1/Breg-like CD24hiCD27+ and switched-memory B-cells maximized the AUC of ACR/EULAR criteria to 0.953 (95% CI: 0.916-0.990) (p = 0.043). Our exploratory study supports the potential use of lymphocyte subpopulations, such as unswitched memory B cells, to improve the performance of classification criteria, since their discriminative ability increases when specific subsets are added to the criteria.
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Affiliation(s)
- Filipe Barcelos
- Comprehensive Health Research Centre, CEDOC, Chronic Diseases Research Center, Immunology, NOVA Medical School, Universidade Nova de Lisboa, Campo Dos Mártires da Pátria, 130, 1169-056, Lisbon, Portugal.
- Comprehensive Health Research Centre (CHRC), NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal.
- Rheumatology Department, Instituto Português de Reumatologia, Lisbon, Portugal.
- Rheumatology Department, Hospital CUF Descobertas, Lisbon, Portugal.
| | - Carlos Brás-Geraldes
- ISEL-Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, Lisbon, Portugal
- Centro de Estatística E Aplicações, CEAUL, Universidade de Lisboa, Lisbon, Portugal
| | - Catarina Martins
- Comprehensive Health Research Centre, CEDOC, Chronic Diseases Research Center, Immunology, NOVA Medical School, Universidade Nova de Lisboa, Campo Dos Mártires da Pátria, 130, 1169-056, Lisbon, Portugal
- Comprehensive Health Research Centre (CHRC), NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Ana-Luísa Papoila
- Centro de Estatística E Aplicações, CEAUL, Universidade de Lisboa, Lisbon, Portugal
- NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Ricardo Monteiro
- Comprehensive Health Research Centre, CEDOC, Chronic Diseases Research Center, Immunology, NOVA Medical School, Universidade Nova de Lisboa, Campo Dos Mártires da Pátria, 130, 1169-056, Lisbon, Portugal
- Comprehensive Health Research Centre (CHRC), NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
| | - Joana Cardigos
- Ophthalmology Department, Centro Hospitalar de Lisboa Central, Hospital de Santo António Dos Capuchos, Lisbon, Portugal
| | - Nathalie Madeira
- Rheumatology Department, Instituto Português de Reumatologia, Lisbon, Portugal
| | - Nuno Alves
- Ophthalmology Department, Centro Hospitalar de Lisboa Central, Hospital de Santo António Dos Capuchos, Lisbon, Portugal
- Ophthalmology Department, Hospital CUF Descobertas, Lisbon, Portugal
| | - José Vaz-Patto
- Rheumatology Department, Instituto Português de Reumatologia, Lisbon, Portugal
| | - Jaime Cunha-Branco
- Comprehensive Health Research Centre (CHRC), NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
- Rheumatology Department, Hospital CUF Descobertas, Lisbon, Portugal
- Chronic Diseases Research Center, NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
- Rheumatology Department, Centro Hospitalar de Lisboa Ocidental, Hospital de Egas Moniz, Lisbon, Portugal
| | - Luís-Miguel Borrego
- Comprehensive Health Research Centre, CEDOC, Chronic Diseases Research Center, Immunology, NOVA Medical School, Universidade Nova de Lisboa, Campo Dos Mártires da Pátria, 130, 1169-056, Lisbon, Portugal
- Comprehensive Health Research Centre (CHRC), NOVA Medical School, FCM, Universidade Nova de Lisboa, Lisbon, Portugal
- Immunoalergy Department, Hospital da Luz Lisboa, Lisbon, Portugal
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Montanucci P, Bistoni O, Antonucci M, Pescara T, Greco A, Basta G, Bartoloni E, Gerli R, Calafiore R. Emerging of a new CD3+CD31HCD184+ tang cell phenothype in Sjögren’s syndrome induced by microencapsulated human umbilical cord matrix-derived multipotent stromal cells. Front Immunol 2023; 14:1095768. [PMID: 36999025 PMCID: PMC10043489 DOI: 10.3389/fimmu.2023.1095768] [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: 11/14/2022] [Accepted: 03/01/2023] [Indexed: 03/18/2023] Open
Abstract
BackgroundSjögren’s syndrome (SS) is an autoimmune disease hallmarked by infiltration and destruction of exocrine glands. Currently, there is no therapy that warrants full recovery of the affected tissues. Umbilical cord-derived multipotent stromal cells, microincapsulated in an endotoxin-free alginate gel (CpS-hUCMS), were shown to modulate the inflammatory activity of PBMCs in SS patients in vitro, through release of soluble factors (TGFβ1, IDO1, IL6, PGE2, VEGF). These observations led us to set up the present study, aimed at defining the in vitro effects of CpS-hUCMS on pro- and anti-inflammatory lymphocyte subsets involved in the pathogenesis of SS.Methods and resultsPeripheral blood mononuclear cells (PBMCs) upon collection from SS patients and matched healthy donors, were placed in co-culture with CpS-hUCMS for five days. Cellular proliferation and T- (Tang, Treg) and B- (Breg, CD19+) lymphocyte subsets were studied by flow cytometry, while Multiplex, Real-Time PCR, and Western Blotting techniques were employed for the analysis of transcriptome and secretome. IFNγ pre-treated hUCMS were assessed with a viability assay and Western Blotting analysis before co-culture. After five days co-culture, CpS-hUCMS induced multiple effects on PBMCs, with special regard to decrease of lymphocyte proliferation, increase of regulatory B cells and induction of an angiogenic T cell population with high expression of the surface marker CD31, that had never been described before in the literature.ConclusionWe preliminarily showed that CpS-hUCMS can influence multiple pro- and anti-inflammatory pathways that are deranged in SS. In particular, Breg raised and a new Tang phenothype CD3+CD31HCD184+ emerged. These results may considerably expand our knowledge on multipotent stromal cell properties and may open new therapeutic avenues for the management of this disease, by designing ad hoc clinical studies.
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Affiliation(s)
- Pia Montanucci
- Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Gambuli, Italy
| | - Onelia Bistoni
- Division of Rheumatology, Perugia Hospital, Perugia, Piazzale Giorgio, Italy
| | - Matteo Antonucci
- Rheumatology Unit, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Giorgio, Italy
| | - Teresa Pescara
- Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Gambuli, Italy
| | - Alessia Greco
- Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Gambuli, Italy
| | - Giuseppe Basta
- Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Gambuli, Italy
| | - Elena Bartoloni
- Division of Rheumatology, Perugia Hospital, Perugia, Piazzale Giorgio, Italy
- Rheumatology Unit, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Giorgio, Italy
| | - Roberto Gerli
- Division of Rheumatology, Perugia Hospital, Perugia, Piazzale Giorgio, Italy
- Rheumatology Unit, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Giorgio, Italy
| | - Riccardo Calafiore
- Laboratory for Endocrine Cell Transplants and Biohybrid Organs, Department of Medicine and Surgery, University of Perugia, Perugia, Piazzale Gambuli, Italy
- *Correspondence: Riccardo Calafiore,
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Genetics and epigenetics of primary Sjögren syndrome: implications for future therapies. Nat Rev Rheumatol 2023; 19:288-306. [PMID: 36914790 PMCID: PMC10010657 DOI: 10.1038/s41584-023-00932-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/13/2023] [Indexed: 03/14/2023]
Abstract
In primary Sjögren syndrome (pSS), chronic inflammation of exocrine glands results in tissue destruction and sicca symptoms, primarily of the mouth and eyes. Fatigue, arthralgia and myalgia are also common symptoms, whereas extraglandular manifestations that involve the respiratory, nervous and vascular systems occur in a subset of patients. The disease predominantly affects women, with an estimated female to male ratio of 14 to 1. The aetiology of pSS, however, remains incompletely understood, and effective treatment is lacking. Large-scale genetic and epigenetic investigations have revealed associations between pSS and genes in both innate and adaptive immune pathways. The genetic variants mediate context-dependent effects, and both sex and environmental factors can influence the outcome. As such, genetic and epigenetic studies can provide insight into the dysregulated molecular mechanisms, which in turn might reveal new therapeutic possibilities. This Review discusses the genetic and epigenetic features that have been robustly connected with pSS, putting them into the context of cellular function, carrier sex and environmental challenges. In all, the observations point to several novel opportunities for early detection, treatment development and the pathway towards personalized medicine.
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Liu S, Yang Y, Zeng L, Wang L, He C, Chen Z, Sun J, Lyu T, Wang M, Chen H, Zhang F. TOX promotes follicular helper T cell differentiation in patients with primary Sjögren's syndrome. Rheumatology (Oxford) 2023; 62:946-957. [PMID: 35713502 DOI: 10.1093/rheumatology/keac304] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/27/2022] [Accepted: 04/19/2022] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVES Whether naive CD4+ T cells are dysregulated and associated with the overactivation of CD4+ T cells in primary SS (pSS) remains unclear. We aimed to explore the role and underlying mechanism of naive CD4+ T cells in pSS. METHODS We examined the activation, proliferation and differentiation of naive CD4+ T cells from pSS patients and healthy controls. Differentially expressed genes were identified using RNA sequencing, and were overexpressed or silenced to determine the gene regulating follicular helper T (Tfh) cells. Assay for transposase-accessible chromatin with high-throughput sequencing (ATAC-seq) with chromatin immunoprecipitation with high-throughput sequencing (ChIP-seq) was performed to explore the epigenetic mechanism. Naive CD4+ T cells were treated with pSS-related cytokines to explore the upstream signalling pathway. RESULTS pSS naive CD4+ T cells had higher potentials of activation, proliferation and differentiation towards Tfh cells. Thymocyte selection-associated high mobility group box protein (TOX) was upregulated in pSS naive CD4+ T cells and promoted T cell activation and Tfh cell polarization. TOX silencing in pSS naive CD4+ T cells downregulated B cell lymphoma 6 (BCL6) expression and altered levels of multiple Tfh-associated genes. ChIP-seq analysis implied that TOX bound to the BCL6 locus, where there were accessible regions found by ATAC-seq. IFN-α induced TOX overexpression, which was attenuated by Janus kinase (JAK) and signal transducer and activator of transcription 1 (STAT1) inhibitors. CONCLUSION Our data suggest that TOX in pSS naive CD4+ T cells is upregulated, which facilitates Tfh cell differentiation. Mechanistically, IFN-α induces TOX overexpression in naive CD4+ T cells through JAK-STAT1 signalling and TOX regulates BCL6 expression. Therefore, IFN-α-JAK-STAT1 signalling and TOX might be potential therapeutic targets in pSS.
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Affiliation(s)
- Suying Liu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Yanlei Yang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Liuting Zeng
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Li Wang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Chengmei He
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Zhilei Chen
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Jinlei Sun
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Taibiao Lyu
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Mu Wang
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hua Chen
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
| | - Fengchun Zhang
- Department of Rheumatology and Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College.,Key Laboratory of Rheumatology and Clinical Immunology, Ministry of Education
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12
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Wu KY, Kulbay M, Tanasescu C, Jiao B, Nguyen BH, Tran SD. An Overview of the Dry Eye Disease in Sjögren's Syndrome Using Our Current Molecular Understanding. Int J Mol Sci 2023; 24:ijms24021580. [PMID: 36675090 PMCID: PMC9866656 DOI: 10.3390/ijms24021580] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/10/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Sjögren's syndrome is a chronic and insidious auto-immune disease characterized by lymphocyte infiltration of exocrine glands. The patients typically present with ocular surface diseases related to dry eye and other systemic manifestations. However, due to the high prevalence of dry eye disease and the lack of objective and clinically reliable diagnostic tools, discriminating Sjögren's syndrome dry eye (SSDE) from non-Sjögren's syndrome dry eye (NSSDE) remains a challenge for clinicians. Diagnosing SS is important to improve the quality of life of patients through timely referral for systemic workups, as SS is associated with serious systemic complications such as lymphoma and other autoimmune diseases. The purpose of this article is to describe the current molecular understanding of Sjögren's syndrome and its implications for novel diagnostic modalities on the horizon. A literature review of the pre-clinical and clinical studies published between 2016 and 2022 was conducted. The SSDE pathophysiology and immunology pathways have become better understood in recent years. Novel diagnostic modalities, such as tear and saliva proteomics as well as exosomal biomarkers, provide hope on the horizon.
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Affiliation(s)
- Kevin Y. Wu
- Department of Surgery, Division of Ophthalmology, University of Sherbrooke, Sherbrooke, QC J1G 2E8, Canada
| | - Merve Kulbay
- Faculty of Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada
| | - Cristina Tanasescu
- School of Optometry, University of Montreal, Montreal, QC H3T 1P1, Canada
| | - Belinda Jiao
- Department of Medicine, Division of Internal Medicine, University of Sherbrooke, Sherbrooke, QC J1G 2E8, Canada
| | - Bich H. Nguyen
- CHU Sainte Justine Hospital, Montreal, QC H3T 1C5, Canada
| | - Simon D. Tran
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, QC H3A 1G1, Canada
- Correspondence:
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13
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Qi J, Liu C, Bai Z, Li X, Yao G. T follicular helper cells and T follicular regulatory cells in autoimmune diseases. Front Immunol 2023; 14:1178792. [PMID: 37187757 PMCID: PMC10175690 DOI: 10.3389/fimmu.2023.1178792] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 04/13/2023] [Indexed: 05/17/2023] Open
Abstract
T follicular helper (Tfh) cells are heterogeneous and mainly characterized by expressing surface markers CXCR5, ICOS, and PD-1; cytokine IL-21; and transcription factor Bcl6. They are crucial for B-cell differentiation into long-lived plasma cells and high-affinity antibody production. T follicular regulatory (Tfr) cells were described to express markers of conventional T regulatory (Treg) cells and Tfh cells and were able to suppress Tfh-cell and B-cell responses. Evidence has revealed that the dysregulation of Tfh and Tfr cells is positively associated with the pathogenic processes of autoimmune diseases. Herein, we briefly introduce the phenotype, differentiation, and function of Tfh and Tfr cells, and review their potential roles in autoimmune diseases. In addition, we discuss perspectives to develop novel therapies targeting Tfh/Tfr balance.
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Affiliation(s)
- Jingjing Qi
- Department of Immunology, College of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
- *Correspondence: Genhong Yao, ; Jingjing Qi,
| | - Chang Liu
- Department of Rheumatology and Immunology, Dalian Municipal Central Hospital, Dalian, Liaoning, China
| | - Ziran Bai
- Department of Immunology, College of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
| | - Xia Li
- Department of Immunology, College of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, China
| | - Genhong Yao
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
- *Correspondence: Genhong Yao, ; Jingjing Qi,
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14
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Velounias RL, Tull TJ. Human B-cell subset identification and changes in inflammatory diseases. Clin Exp Immunol 2022; 210:201-216. [PMID: 36617261 PMCID: PMC9985170 DOI: 10.1093/cei/uxac104] [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: 08/04/2022] [Revised: 10/19/2022] [Accepted: 11/15/2022] [Indexed: 01/09/2023] Open
Abstract
Our understanding of the B-cell subsets found in human blood and their functional significance has advanced greatly in the past decade. This has been aided by the evolution of high dimensional phenotypic tools such as mass cytometry and single-cell RNA sequencing which have revealed heterogeneity in populations that were previously considered homogenous. Despite this, there is still uncertainty and variation between studies as to how B-cell subsets are identified and named. This review will focus on the most commonly encountered subsets of B cells in human blood and will describe gating strategies for their identification by flow and mass cytometry. Important changes to population frequencies and function in common inflammatory and autoimmune diseases will also be described.
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Affiliation(s)
- Rebekah L Velounias
- Department of Immunobiology, King’s College London, Guy’s Hospital Campus, London, UK
| | - Thomas J Tull
- St John’s Institute of Dermatology, King’s College London, Guy’s Hospital Campus, London, UK
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15
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Feng R, Zhao J, Sun F, Miao M, Sun X, He J, Li Z. Comparison of the deep immune profiling of B cell subsets between healthy adults and Sjögren's syndrome. Ann Med 2022; 54:472-483. [PMID: 35098838 PMCID: PMC8812739 DOI: 10.1080/07853890.2022.2031272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES Detailed analysis targeting B cell subgroups was considered crucial in monitoring autoimmune diseases and treatment responses. Thus, precisely describing the phenotypes of B cell differentiation and their variation in primary Sjögren's syndrome (pSS) is particularly needed. METHODS To characterize the proportions and absolute counts of B cell subsets, peripheral blood from 114 healthy adults of China (age range: 19-73 years) and 55 patients with pSS were performed by flow cytometry and CD19, CD20, CD24, CD27, CD38 and IgD were used as surface markers to identify B cell mature process. Age- and gender-stratified analyses were then carried out to improve the interpretation of B cell subsets. RESULTS The assessments from healthy adults showed that the proportion of naive B cells presented a significant increase with age. A reversal trend was noted that the percentage of B10 decreased markedly with age. In addition, analysis based on gender showed that the relative percentage and number of naive B cells were higher in females than in males whereas the proportions of switched memory B cells and B10 cells were decreased in female. Patients with pSS exhibited a significant expansion in naïve B cells and unswitched memory B cells, accompanied with decreased switched memory B cells and B10 cells, which were identified to be associated with autoantibody production. CONCLUSIONS Our study presented a reliable analysis by flow cytometry to cover the principal B cell subtypes. These different stages of B lymphocytes may have implications for evaluating the activation of pSS and other autoimmune diseases and treatment efficacy.KEY MESSAGESB cell subsets play a pivotal role in the pathogenesis of primary Sjögren's syndrome (pSS) and other autoimmune diseases. A practical and accurate flow cytometry method to profile B cell phenotypes in peripheral blood of healthy adults is especially essential.Additionally, we presented reliable reference ranges for B cell subsets in regards to the local population. Age- and gender-related analyses are available to better understand their influence in immune status and treatment outcome.The distribution of B-cell subsets is found substantially altered in patients with pSS, bringing novel avenues for pSS research in the future.
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Affiliation(s)
- Ruiling Feng
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
| | - Jing Zhao
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
| | - Feng Sun
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
| | - Miao Miao
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
| | - Xiaolin Sun
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
| | - Jing He
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
| | - Zhanguo Li
- Department of Rheumatology & Immunology, Peking University People's Hospital, Beijing, China
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16
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Szabó K, Jámbor I, Pázmándi K, Nagy N, Papp G, Tarr T. Altered Circulating Follicular T Helper Cell Subsets and Follicular T Regulatory Cells Are Indicators of a Derailed B Cell Response in Lupus, Which Could Be Modified by Targeting IL-21R. Int J Mol Sci 2022; 23:ijms232012209. [PMID: 36293075 PMCID: PMC9602506 DOI: 10.3390/ijms232012209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 11/16/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is characterized by the breakdown of self-tolerance, the production of high-affinity pathogenic autoantibodies and derailed B cell responses, which indicates the importance of central players, such as follicular T helper (TFH) subsets and follicular T regulatory (TFR) cells, in the pathomechanism of the disease. In this study, we aimed to analyze the distribution of the circulating counterparts of these cells and their association with disease characteristics and B cell disproportions in SLE. We found that the increased percentage of activated circulating TFH (cTFH) and cTFR cells was more pronounced in cutaneous lupus; however, among cTFH subsets, the frequency of cTFH17 cells was decreased in patients with lupus nephritis. Furthermore, the decreased proportion of cTFH17 cells was associated with low complement C4 levels and high disease activity scores. We also investigated whether the blocking of the IL-21 receptor (IL-21R) with an anti-IL-21R monoclonal antibody inhibits the B cell response, since IL-21 primarily produced by TFH cells potentially promotes humoral immunity. We observed that anti-IL-21R inhibited plasmablast generation and immunoglobulin production. Our study demonstrated that, besides cTFR/cTFH imbalance, cTFH17 cells play a crucial role in SLE pathogenesis, and modulating cTFH-B cell interaction through the IL-21/IL-21R pathway may be a promising therapeutic strategy to suppress the pathological B cell response.
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Affiliation(s)
- Krisztina Szabó
- Division of Clinical Immunology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
- Correspondence:
| | - Ilona Jámbor
- Division of Clinical Immunology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Kitti Pázmándi
- Department of Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Nikolett Nagy
- Division of Clinical Immunology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Gábor Papp
- Division of Clinical Immunology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Tünde Tarr
- Division of Clinical Immunology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
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Satoh T, Takiguchi H, Uojima H, Kubo M, Tanaka C, Yokoyama F, Wada N, Miyazaki K, Hidaka H, Kusano C, Kuwana M, Horie R. B cell-activating factor is involved in thrombocytopenia in patients with liver cirrhosis. Ann Hematol 2022; 101:2433-2444. [PMID: 36098792 DOI: 10.1007/s00277-022-04973-x] [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: 05/07/2022] [Accepted: 08/28/2022] [Indexed: 11/26/2022]
Abstract
Liver cirrhosis (LC) involves B cells that produce anti-glycoprotein (GP) IIb/IIIa antibodies, found in primary immune thrombocytopenia (ITP). The role of autoimmunity in the pathology of thrombocytopenia in LC was investigated using 25 LC patients with thrombocytopenia, 18 ITP patients, and 30 healthy controls. Anti-GPIIb/IIIa antibody-producing B cells were quantified using enzyme-linked immunospot assay. Platelet-associated and plasma anti-GPIIb/IIIa antibody, plasma B cell-activating factor (BAFF), and a proliferation-inducing ligand (APRIL) levels were measured using enzyme-linked immunosorbent assay. B cell subset fractions and regulatory T cells (Tregs) were quantified using flow cytometry.The number of anti-GPIIb/IIIa antibody-producing B cells was significantly higher in LC patients than in ITP patients and healthy controls (both p < 0.001). Platelet-associated anti-GPIIb/IIIa antibodies were significantly higher in LC patients than in ITP patients and healthy controls (p = 0.002, p < 0.001, respectively). BAFF levels were significantly higher in LC patients than in ITP patients and healthy controls (p = 0.001 and p < 0.001, respectively), and APRIL levels were significantly higher in LC patients than in healthy controls (p < 0.001). Anti-GPIIb/IIIa antibody-producing B cells and platelet-associated anti-GPIIb/IIIa antibodies were positively correlated with BAFF levels in LC patients. LC patients had more naïve B cells and plasmablasts than healthy controls (p = 0.005, p = 0.03, respectively); plasmablasts were positively correlated with BAFF levels. LC patients had similar Tregs levels as ITP patients and healthy controls. Therefore, excessive BAFF production in LC patients with thrombocytopenia is likely associated with autoimmune B cell response, inducing anti-GPIIb/IIIa antibody production.
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Affiliation(s)
- Takashi Satoh
- Division of Hematology, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan.
- Division of Molecular Hematology, Kitasato University Graduate School of Medical Sciences, Sagamihara, Kanagawa, Japan.
- Regenerative Medicine and Cell Design Research Facility, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan.
| | - Hayato Takiguchi
- Division of Molecular Hematology, Kitasato University Graduate School of Medical Sciences, Sagamihara, Kanagawa, Japan
| | - Haruki Uojima
- Department of Gastroenterology, Internal Medicine, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Makoto Kubo
- Regenerative Medicine and Cell Design Research Facility, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan
- Division of Immunology, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan
| | - Chisato Tanaka
- Division of Hematology, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan
| | - Fumiko Yokoyama
- Division of Hematology, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan
| | - Naohisa Wada
- Department of Gastroenterology, Internal Medicine, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Koji Miyazaki
- Department of Transfusion and Cell Transplantation, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Hisashi Hidaka
- Department of Gastroenterology, Internal Medicine, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Chika Kusano
- Department of Gastroenterology, Internal Medicine, Kitasato University School of Medicine, Sagamihara, Kanagawa, Japan
| | - Masataka Kuwana
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Ryouichi Horie
- Division of Hematology, Kitasato University School of Allied Health Sciences, Sagamihara, Kanagawa, Japan
- Division of Molecular Hematology, Kitasato University Graduate School of Medical Sciences, Sagamihara, Kanagawa, Japan
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18
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Gupta R, Vanlieshout E, Manion K, Bonilla D, Kim M, Muñoz-Grajales C, Nassar C, Johnson SR, Hiraki LT, Ahmad Z, Touma Z, Bookman A, Wither JE. Altered Balance of Pro-Inflammatory Immune Cells to T Regulatory Cells Differentiates Symptomatic From Asymptomatic Individuals With Anti-Nuclear Antibodies. Front Immunol 2022; 13:886442. [PMID: 35844549 PMCID: PMC9279569 DOI: 10.3389/fimmu.2022.886442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/18/2022] [Indexed: 11/13/2022] Open
Abstract
Systemic Autoimmune Rheumatic Diseases (SARDs) are characterized by the production of anti-nuclear antibodies (ANAs). ANAs are also seen in healthy individuals and can be detected years before disease onset in SARD. Both the immunological changes that promote development of clinical symptoms in SARD and those that prevent autoimmunity in asymptomatic ANA+ individuals (ANA+ NS) remain largely unexplored. To address this question, we used flow cytometry to examine peripheral blood immune populations in ANA+ individuals, with and without SARD, including 20 individuals who subsequently demonstrated symptom progression. Several immune populations were expanded in ANA+ individuals with and without SARD, as compared with ANA- healthy controls, particularly follicular and peripheral T helper, and antibody-producing B cell subsets. In ANA+ NS individuals, there were significant increases in T regulatory subsets and TGF-ß1 that normalized in SARD patients, whereas in SARD patients there were increases in Th2 and Th17 helper cell levels as compared with ANA+ NS individuals, resulting in a shift in the balance between inflammatory and regulatory T cell subsets. Patients with SARD also had increases in the proportion of pro-inflammatory innate immune cell populations, such as CD14+ myeloid dendritic cells, and intermediate and non-classical monocytes, as compared to ANA+ NS individuals. When comparing ANA+ individuals without SARD who progressed clinically over the subsequent 2 years with those who did not, we found that progressors had significantly increased T and B cell activation, as well as increased levels of LAG3+ T regulatory cells and TGF-ß1. Collectively, our findings suggest that active immunoregulation prevents clinical autoimmunity in ANA+ NS and that this becomes impaired in patients who progress to SARD, resulting in an imbalance favoring inflammation.
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Affiliation(s)
- Rashi Gupta
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Emma Vanlieshout
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Kieran Manion
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Dennisse Bonilla
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Michael Kim
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Carolina Muñoz-Grajales
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Carol Nassar
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
| | - Sindhu R. Johnson
- Department of Medicine, University Health Network, University of Toronto, Toronto, ON, Canada
- Toronto Scleroderma Program, Department of Medicine, Toronto Western and Mount Sinai Hospitals, University of Toronto, Toronto, ON, Canada
| | - Linda T. Hiraki
- The Hospital for Sick Children, Department of Paediatrics, University of Toronto, Toronto, ON, Canada
| | - Zareen Ahmad
- Department of Medicine, University Health Network, University of Toronto, Toronto, ON, Canada
- Toronto Scleroderma Program, Department of Medicine, Toronto Western and Mount Sinai Hospitals, University of Toronto, Toronto, ON, Canada
| | - Zahi Touma
- Department of Medicine, University Health Network, University of Toronto, Toronto, ON, Canada
- University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
| | - Arthur Bookman
- Department of Medicine, University Health Network, University of Toronto, Toronto, ON, Canada
- Division of Rheumatology, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
| | - Joan E. Wither
- Department of Immunology, University of Toronto, Toronto, ON, Canada
- Schroeder Arthritis Institute, Krembil Research Institute, University Health Network, Toronto, ON, Canada
- Department of Medicine, University Health Network, University of Toronto, Toronto, ON, Canada
- Division of Rheumatology, Schroeder Arthritis Institute, University Health Network, Toronto, ON, Canada
- *Correspondence: Joan E. Wither,
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Neys SFH, Verstappen GM, Bootsma H, Kroese FGM, Hendriks RW, Corneth OBJ. Decreased BAFF Receptor Expression and Unaltered B Cell Receptor Signaling in Circulating B Cells from Primary Sjögren's Syndrome Patients at Diagnosis. Int J Mol Sci 2022; 23:ijms23095101. [PMID: 35563492 PMCID: PMC9103204 DOI: 10.3390/ijms23095101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 02/04/2023] Open
Abstract
Animal models of autoimmunity and human genetic association studies indicate that the dysregulation of B-cell receptor (BCR) signaling is an important driver of autoimmunity. We previously showed that in circulating B cells from primary Sjögren’s syndrome (pSS) patients with high systemic disease activity, protein expression of the BCR signaling molecule Bruton’s tyrosine kinase (BTK) was increased and correlated with T-cell infiltration in the target organ. We hypothesized that these alterations could be driven by increased B-cell activating factor (BAFF) levels in pSS. Here, we investigated whether altered BCR signaling was already present at diagnosis and distinguished pSS from non-SS sicca patients. Using (phospho-)flow cytometry, we quantified the phosphorylation of BCR signaling molecules, and investigated BTK and BAFF receptor (BAFFR) expression in circulating B cell subsets in an inception cohort of non-SS sicca and pSS patients, as well as healthy controls (HCs). We found that both BTK protein levels and BCR signaling activity were comparable among groups. Interestingly, BAFFR expression was significantly downregulated in pSS, but not in non-SS sicca patients, compared with HCs, and correlated with pSS-associated alterations in B cell subsets. These data indicate reduced BAFFR expression as a possible sign of early B cell involvement and a diagnostic marker for pSS.
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Affiliation(s)
- Stefan F. H. Neys
- Department of Pulmonary Medicine, Erasmus MC University Medical Center, 3015 GD Rotterdam, The Netherlands;
| | - Gwenny M. Verstappen
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands; (G.M.V.); (H.B.); (F.G.M.K.)
| | - Hendrika Bootsma
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands; (G.M.V.); (H.B.); (F.G.M.K.)
| | - Frans G. M. Kroese
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, 9700 RB Groningen, The Netherlands; (G.M.V.); (H.B.); (F.G.M.K.)
| | - Rudi W. Hendriks
- Department of Pulmonary Medicine, Erasmus MC University Medical Center, 3015 GD Rotterdam, The Netherlands;
- Correspondence: (R.W.H.); (O.B.J.C.)
| | - Odilia B. J. Corneth
- Department of Pulmonary Medicine, Erasmus MC University Medical Center, 3015 GD Rotterdam, The Netherlands;
- Correspondence: (R.W.H.); (O.B.J.C.)
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20
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Alsén S, Cervin J, Deng Y, Szeponik L, Wenzel UA, Karlsson J, Cucak H, Livingston M, Bryder D, Lu Q, Johansson-Lindbom B, Yrlid U. Antigen-Presenting B Cells Program the Efferent Lymph T Helper Cell Response. Front Immunol 2022; 13:813203. [PMID: 35355990 PMCID: PMC8959485 DOI: 10.3389/fimmu.2022.813203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 02/03/2022] [Indexed: 11/16/2022] Open
Abstract
B cells interact with T follicular helper (Tfh) cells in germinal centers (GCs) to generate high-affinity antibodies. Much less is known about how cognate T–B-cell interactions influence Th cells that enter circulation and peripheral tissues. Therefore, we generated mice lacking MHC-II expressing B cells and, by thoracic duct cannulation, analyzed Th cells in the efferent lymph at defined intervals post-immunization. Focusing on gut-draining mesenteric lymph nodes (MLNs), we show that antigen-specific α4β7+ gut-homing effector Th cells enter the circulation prior to CXCR5+PD-1+ Tfh-like cells. B cells appear to have no or limited impact on the early generation and egress of gut-homing Th cells but are critical for the subsequent appearance of Tfh-like cells that peak in the lymph before GCs have developed. At this stage, antigen-presenting B cells also reduce the proportion of α4β7+ Th cells in the MLN and efferent lymph. Furthermore, cognate B-cell interaction drives a broad transcriptional program in Th cells, including IL-4 that is confined to the Tfh cell lineage. The IL-4-producing Tfh-like cells originate from Bcl6+ precursors in the LNs and have gut-homing capacity. Hence, B cells program the efferent lymph Th cell response within a limited window of time after antigenic challenge.
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Affiliation(s)
- Samuel Alsén
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden.,Sahlgrenska Center for Cancer Research, Department of Surgery, University of Gothenburg, Gothenburg, Sweden
| | - Jakob Cervin
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Yaxiong Deng
- Immunology Section, Lund University, Lund, Sweden.,Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China
| | - Louis Szeponik
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Ulf Alexander Wenzel
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - Joakim Karlsson
- Sahlgrenska Center for Cancer Research, Department of Surgery, University of Gothenburg, Gothenburg, Sweden.,Harry Perkins Institute of Medical Research, University of Western Australia, Perth, WA, Australia
| | - Helena Cucak
- Immunology Section, Lund University, Lund, Sweden
| | - Megan Livingston
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
| | - David Bryder
- Division of Molecular Hematology, Lund University, Lund, Sweden
| | - Qianjin Lu
- Department of Dermatology, Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China
| | - Bengt Johansson-Lindbom
- Immunology Section, Lund University, Lund, Sweden.,Immunological Memory Group, Department of Health Technology, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Ulf Yrlid
- Department of Microbiology and Immunology, Institute of Biomedicine, University of Gothenburg, Gothenburg, Sweden
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21
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Tang Q, Cen Z, Lu J, Dong J, Qin L, Lu F, Wu W. The abnormal distribution of peripheral B1 cells and transition B cells in patients with idiopathic dilated cardiomyopathy: a pilot study. BMC Cardiovasc Disord 2022; 22:78. [PMID: 35246021 PMCID: PMC8895850 DOI: 10.1186/s12872-022-02461-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 01/13/2022] [Indexed: 11/10/2022] Open
Abstract
Background The aberrant distribution of peripheral B cell subsets is associated with the pathogenesis of a variety of inflammatory and autoimmune diseases. However, the distribution of peripheral B cell subsets in patients with idiopathic dilated cardiomyopathy (DCM) remains to be elucidated.
Methods Twenty-seven patients with idiopathic DCM (DCM group), 18 control patients with heart failure (HF group) and 21 healthy individuals (HC group) were included in this study. Peripheral B cell subsets were analysed using multicolour flow cytometry. The plasma β1 adrenergic receptor (β1-AR) autoantibody titre was determined using ELISA. Additionally, clinical features were also collected. Results Compared with the HF and HC groups, the percentage of B1 cells was significantly decreased, whereas the percentage of transitional B cells (Tr) was significantly increased in the DCM group. Notably, the percentage of B1 cells was significantly lower in patients with β1-AR autoantibody-positive DCM than in β1-AR autoantibody-negative patients. The correlation analysis showed that the percentage of B1 cells was negatively correlated with N-terminal pro-brain natriuretic peptide (NT-proBNP) levels and positively correlated with the left ventricular ejection fraction in patients with DCM. Conclusion As shown in the present study, the percentage of B1 cells in the peripheral blood of patients with idiopathic DCM is abnormally decreased, especially in β1-AR autoantibody-positive patients, while the percentage of Tr cells is significantly increased, indicating that B1 cells and Tr cells may be implicated in the pathogenesis of idiopathic DCM. The decrease in the percentage of B1 cells is directly related to the severity of DCM. Supplementary Information The online version contains supplementary material available at 10.1186/s12872-022-02461-8.
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Affiliation(s)
- Quan Tang
- Department of Cardiology, First Affiliated Hospital of Guangxi Medical University, Guangxi Cardiovascular Institute, Shuangyong Road 6, Nanning, 530021, Guangxi, People's Republic of China
| | - Zhihong Cen
- Department of Cardiology, First Affiliated Hospital of Guangxi Medical University, Guangxi Cardiovascular Institute, Shuangyong Road 6, Nanning, 530021, Guangxi, People's Republic of China
| | - Jing Lu
- Department of Cardiology, First Affiliated Hospital of Guangxi Medical University, Guangxi Cardiovascular Institute, Shuangyong Road 6, Nanning, 530021, Guangxi, People's Republic of China
| | - Jingwei Dong
- Department of Cardiology, First Affiliated Hospital of Guangxi Medical University, Guangxi Cardiovascular Institute, Shuangyong Road 6, Nanning, 530021, Guangxi, People's Republic of China
| | - Lin Qin
- Department of Cardiology, Fifth Affiliated Hospital of Guangxi Medical University, Nanning, 530022, Guangxi, People's Republic of China
| | - Feiyu Lu
- Department of Cardiology, First Affiliated Hospital of Guangxi Medical University, Guangxi Cardiovascular Institute, Shuangyong Road 6, Nanning, 530021, Guangxi, People's Republic of China
| | - Weifeng Wu
- Department of Cardiology, First Affiliated Hospital of Guangxi Medical University, Guangxi Cardiovascular Institute, Shuangyong Road 6, Nanning, 530021, Guangxi, People's Republic of China.
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22
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Abstract
Sjögren's syndrome (SjS) is a systemic autoimmune disease marked by xerostomia (dry mouth), keratoconjunctivitis sicca (eye dryness), and other systematic disorders. Its pathogenesis involves an inflammatory process that is characterized by lymphocytic infiltration into exocrine glands and other tissues. Although the development of ectopic lymphoid tissue and overproduction of autoantibodies by hyperactive B cells suggest that they may promote SjS development, treatment directed towards them fails to induce significant laboratory or clinical improvement. T cells are overwhelming infiltrators in most phases of the disease, and the involvement of multiple T cell subsets of suggests the extraordinary complexity of SjS pathogenesis. The factors, including various cellular subtypes and molecules, regulate the activation and suppression of T cells. T cell activation induces inflammatory cell infiltration, B cell activation, tissue damage, and metabolic changes in SjS. Knowledge of the pathways that link these T cell subtypes and regulation of their activities are not completely understood. This review comprehensively summarizes the research progress and our understanding of T cells in SjS, including CD4+ T cells, CD8+ TRM cells, and innate T cells, to provide insights into for clinical treatment.
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23
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Nakayamada S, Tanaka Y. Clinical relevance of T follicular helper cells in systemic lupus erythematosus. Expert Rev Clin Immunol 2021; 17:1143-1150. [PMID: 34469695 DOI: 10.1080/1744666x.2021.1976146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
INTRODUCTION T helper cells regulate a variety of immune responses and are involved in the pathogenesis of infection, allergy and autoimmune diseases. T follicular helper (Tfh) cells, which induce B cell maturation, play an important role in the production of the extremely diverse autoantibodies found in systemic lupus erythematosus (SLE). AREA COVERED We provide an overview of the plasticity and diversity of Tfh cells in humans and their involvement in the pathology and pathogenesis of SLE. Our review outlines the potential of Tfh cells as a therapeutic target for SLE. EXPERT OPINION Tfh cells are involved in the pathogenesis of SLE based on their plasticity and diversity. Tfh cell differentiation and function are variably regulated by cytokines (IL-12, interferons, IL-2, etc), co-stimulatory molecules (ICOS, CD40L, OX40, etc), and intracellular signals (JAK-STAT, etc). Elucidation of the mechanisms underlying Tfh cell differentiation and function may lead to the development of new therapies for SLE.
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Affiliation(s)
- Shingo Nakayamada
- The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoshiya Tanaka
- The First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
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24
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The disturbance and clinical significance of B cell and circulating follicular helper T cell subsets in children with primary nephrotic syndrome. Immunol Lett 2021; 238:32-39. [PMID: 34310986 DOI: 10.1016/j.imlet.2021.07.006] [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: 01/09/2021] [Revised: 07/13/2021] [Accepted: 07/19/2021] [Indexed: 11/23/2022]
Abstract
The immunopathogenesis of primary nephrotic syndrome is unclear. Here, we examined the frequency, subsets and molecular function of circulating B cells and follicular helper T cells by flow cytometry and explored the correlation between certain subsets and clinical disease indices in new-onset patients, relapsing patients and healthy controls. We found an increase in the proportions of CD86+ activated cells and CD19+CD138+ plasma cells in the patients at onset and patients in relapse. However, the increased percentage of CD27+ memory cells was observed in only the relapse group. Furthermore, the ICOS MFI was elevated in TFH cells and their three subsets in new-onset patients, whereas the expression of OX40 was increased in TFH cells, TFH17 cells and TFH2 cells in the relapse group. Additionally, the increased frequency of CD19+CD138+ plasma cells was positively associated with urea nitrogen in the new-onset groups. Notably, the positive correlation between CD86+ activated B cells and CD19+CD138+ plasma cells was obtained in only the new-onset group and HC group; however, the increased CD27+ memory cell percentage was positively correlated with 24-h urinary protein in only the relapse group. Our results indicate that CD19+CD138+ plasma cells may be a key factor for the onset of PNS, whereas CD27+ memory cells may play a more important role in the relapse of this disease. Furthermore, the functions of TFH cells are also diverse because the expression of vital molecules changes during the different disease phases.
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25
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Ibañez-Vega J, Vilchez C, Jimenez K, Guevara C, Burgos PI, Naves R. Cellular and molecular regulation of the programmed death-1/programmed death ligand system and its role in multiple sclerosis and other autoimmune diseases. J Autoimmun 2021; 123:102702. [PMID: 34311143 DOI: 10.1016/j.jaut.2021.102702] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 07/07/2021] [Accepted: 07/10/2021] [Indexed: 01/12/2023]
Abstract
Programmed Cell Death 1 (PD-1) receptor and its ligands (PD-Ls) are essential to maintain peripheral immune tolerance and to avoid tissue damage. Consequently, altered gene or protein expression of this system of co-inhibitory molecules has been involved in the development of cancer and autoimmunity. Substantial progress has been achieved in the study of the PD-1/PD-Ls system in terms of regulatory mechanisms and therapy. However, the role of the PD-1/PD-Ls pathway in neuroinflammation has been less explored despite being a potential target of treatment for neurodegenerative diseases. Multiple Sclerosis (MS) is the most prevalent, chronic, inflammatory, and autoimmune disease of the central nervous system that leads to demyelination and axonal damage in young adults. Recent studies have highlighted the key role of the PD-1/PD-Ls pathway in inducing a neuroprotective response and restraining T cell activation and neurodegeneration in MS. In this review, we outline the molecular and cellular mechanisms regulating gene expression, protein synthesis and traffic of PD-1/PD-Ls as well as relevant processes that control PD-1/PD-Ls engagement in the immunological synapse between antigen-presenting cells and T cells. Also, we highlight the most recent findings regarding the role of the PD-1/PD-Ls pathway in MS and its murine model, experimental autoimmune encephalomyelitis (EAE), including the contribution of PD-1 expressing follicular helper T (TFH) cells in the pathogenesis of these diseases. In addition, we compare and contrast results found in MS and EAE with evidence reported in other autoimmune diseases and their experimental models, and review PD-1/PD-Ls-targeting therapeutic approaches.
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Affiliation(s)
- Jorge Ibañez-Vega
- Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile
| | - Constanza Vilchez
- Faculty of Natural Sciences, Mathematics and Environment, Universidad Tecnológica Metropolitana, Santiago, Chile
| | - Karin Jimenez
- Faculty of Natural Sciences, Mathematics and Environment, Universidad Tecnológica Metropolitana, Santiago, Chile
| | - Carlos Guevara
- Department of Neurology and Neurosurgery, Hospital Clínico Universidad de Chile, Santiago, Chile
| | - Paula I Burgos
- Department of Clinical Immunology and Rheumatology, School of Medicine, Pontificia Universidad Católica de Chile, Chile.
| | - Rodrigo Naves
- Institute of Biomedical Sciences, Faculty of Medicine, Universidad de Chile, Santiago, Chile.
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26
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Żabińska M, Kościelska-Kasprzak K, Krajewska J, Bartoszek D, Augustyniak-Bartosik H, Krajewska M. Immune Cells Profiling in ANCA-Associated Vasculitis Patients-Relation to Disease Activity. Cells 2021; 10:1773. [PMID: 34359942 PMCID: PMC8307495 DOI: 10.3390/cells10071773] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/02/2021] [Accepted: 07/11/2021] [Indexed: 12/05/2022] Open
Abstract
Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitides (AAV) are a group of necrotizing multiorgan autoimmune vasculitides that predominantly affect small blood vessels and are associated with the presence of ANCAs. The aim was to assess regulatory and effector cell populations accompanied by the suPAR biomarker level and link the so-defined immune state to the AAV disease activity. The research involved a multicomponent description of an immune state encompassing a range of B and T cell subsets such as transitional/regulatory B cells (CD19+CD24++CD38++), naïve B cells (CD19+CD24INTCD38INT), Th17 cells, T regulatory cells (CD4+CD25+FoxP3+) and cytotoxic CD4+CD28- cells by flow cytometry. The suPAR plasma level was measured by ELISA. The results indicate that AAV is associated with an increased suPAR plasma level and immune fingerprint characterized by an expansion of Th17 cells and T cells lacking the costimulatory molecule CD28, accompanied by a decrease of regulatory populations (Tregs and transitional B cells) and NK cells. Decreased numbers of regulatory T cells and transitional B cells were shown to be linked to activation of the AAV disease while the increased suPAR plasma level-to AAV-related deterioration of kidney function. The observed immune fingerprint might be a reflection of peripheral tolerance failure responsible for development and progression of ANCA-associated vasculitides.
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Affiliation(s)
- Marcelina Żabińska
- Department of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland; (K.K.-K.); (D.B.); (H.A.-B.); (M.K.)
| | - Katarzyna Kościelska-Kasprzak
- Department of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland; (K.K.-K.); (D.B.); (H.A.-B.); (M.K.)
| | - Joanna Krajewska
- Department of Otolaryngology, Head and Neck Surgery, Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland;
| | - Dorota Bartoszek
- Department of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland; (K.K.-K.); (D.B.); (H.A.-B.); (M.K.)
| | - Hanna Augustyniak-Bartosik
- Department of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland; (K.K.-K.); (D.B.); (H.A.-B.); (M.K.)
| | - Magdalena Krajewska
- Department of Nephrology and Transplantation Medicine, Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland; (K.K.-K.); (D.B.); (H.A.-B.); (M.K.)
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27
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Quartuccio L, De Marchi G, Longhino S, Manfrè V, Rizzo MT, Gandolfo S, Tommasini A, De Vita S, Fox R. Shared Pathogenetic Features Between Common Variable Immunodeficiency and Sjögren's Syndrome: Clues for a Personalized Medicine. Front Immunol 2021; 12:703780. [PMID: 34322134 PMCID: PMC8311857 DOI: 10.3389/fimmu.2021.703780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/22/2021] [Indexed: 11/17/2022] Open
Abstract
Common variable immunodeficiency disorders (CVID) are a group of rare diseases of the immune system and the most common symptomatic primary antibody deficiency in adults. The “variable” aspect of CVID refers to the approximately half of the patients who develop non-infective complications, mainly autoimmune features, in particular organ specific autoimmune diseases including thyroiditis, and cytopenias. Among these associated conditions, the incidence of lymphoma, including mucosal associated lymphoid tissue (MALT) type, is increased. Although these associated autoimmune disorders in CVID are generally attributed to Systemic Lupus Erythematosus (SLE), we propose that Sjogren’s syndrome (SS) is perhaps a better candidate for the associated disease. SS is an autoimmune disorder characterized by the lymphocytic infiltrates of lacrimal and salivary glands, leading to dryness of the eyes and mouth. Thus, it is a lymphocyte aggressive disorder, in contrast to SLE where pathology is generally attributed to auto-antibody and complement activation. Although systemic lupus erythematosus (SLE) shares these features with SS, a much higher frequency of MALT lymphoma distinguishes SS from SLE. Also, the higher frequency of germ line encoded paraproteins such as the monoclonal rheumatoid factor found in SS patients would be more consistent with the failure of B-cell VDJ switching found in CVID; and in contrast to the hypermutation that characterizes SLE autoantibodies. Thus, we suggest that SS may fit as a better “autoimmune” association with CVID. Examining the common underlying biologic mechanisms that promote lymphoid infiltration by dysregulated lymphocytes and lymphoma in CVID may provide new avenues for treatment in both the diseases. Since the diagnosis of SLE or rheumatoid arthritis is usually based on specific autoantibodies, the associated autoimmune features of CVID patients may not be recognized in the absence of autoantibodies.
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Affiliation(s)
- Luca Quartuccio
- Rheumatology Clinic, ASU FC, Udine, Italy.,Department of Medicine, University of Udine, Udine, Italy
| | | | - Simone Longhino
- Rheumatology Clinic, ASU FC, Udine, Italy.,Department of Medicine, University of Udine, Udine, Italy
| | - Valeria Manfrè
- Rheumatology Clinic, ASU FC, Udine, Italy.,Department of Medicine, University of Udine, Udine, Italy
| | - Maria Teresa Rizzo
- Rheumatology Clinic, ASU FC, Udine, Italy.,Department of Medicine, University of Udine, Udine, Italy
| | | | - Alberto Tommasini
- Pediatric Immunology, IRCCS Burlo Garofolo, Trieste, Italy.,Department of Medical Sciences, University of Trieste, Trieste, Italy
| | - Salvatore De Vita
- Rheumatology Clinic, ASU FC, Udine, Italy.,Department of Medicine, University of Udine, Udine, Italy
| | - Robert Fox
- Rheumatology Clinic, Scripps Memorial Hospital and Research Foundation, La Jolla, CA, United States
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28
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Lei S, Zhang Y. Identification of the key genes and pathways involved in B cells in primary Sjögren' s syndrome. Bioengineered 2021; 12:2055-2073. [PMID: 34034637 PMCID: PMC8806908 DOI: 10.1080/21655979.2021.1930753] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Primary Sjögren’ s syndrome (pSS) is a relatively common autoimmune disease, which mainly involves the exocrine glands, causing dry eye, dryness of mouth, fatigue and pain in the joints, thus severely affecting the normal lives of patients. B cell populations are considered to play an important role in their pathogenesis and pSS patients are generally characterized by exhibiting biological signs of B cell activation. Moreover, another important characterized change in the peripheral blood of pSS patients is found to be the decreased number of circulating memory B cells. However, the mechanisms underlying the B cell activation and the decreased level of circulating memory B cells in pSS patients are still unclear. Therefore, we identified key genes and pathways involved in B cells in pSS through a combination of several bioinformatic approaches including Cell-type Identification By Estimating Relative Subsets Of RNA Transcripts (CIBERSORT) and weighted gene co-expression network analysis (WGCNA) using gene expression data of pSS patients and controls from an open database Gene Expression Omnibus (GEO). The results may provide some novel insights into the pathogenesis of pSS. Moreover, we constructed and validated a diagnostic model for pSS by using the expression patterns of these key genes, which may assist clinicians in diagnosing pSS.
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Affiliation(s)
- Shizhen Lei
- Department of Ophthalmology, The Fourth Affiliated Hospital of China Medical University, Shenyang, China
| | - Yi Zhang
- Department of Gerontology and Geriatrics, Shengjing Hospital of China Medical University, Shenyang, China
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29
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Zhao Q, Dai H, Liu X, Jiang H, Liu W, Feng Z, Zhang N, Gao Y, Dong Z, Zhou X, Du J, Zhang N, Rui H, Yuan L, Liu B. Helper T Cells in Idiopathic Membranous Nephropathy. Front Immunol 2021; 12:665629. [PMID: 34093559 PMCID: PMC8173183 DOI: 10.3389/fimmu.2021.665629] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/06/2021] [Indexed: 01/09/2023] Open
Abstract
Idiopathic membranous nephropathy (IMN) is an autoimmune disease in which the immune system produces an antibody response to its own antigens due to impaired immune tolerance. Although antibodies are derived from plasma cells differentiated by B cells, the T-B cells also contribute a lot to the immune system. In particular, the subsets of helper T (Th) cells, including the dominant subsets such as Th2, Th17, and follicular helper T (Tfh) cells and the inferior subsets such as regulatory T (Treg) cells, shape the immune imbalance of IMN and promote the incidence and development of autoimmune responses. After reviewing the physiological knowledge of various subpopulations of Th cells and combining the existing studies on Th cells in IMN, the role model of Th cells in IMN was explained in this review. Finally, the existing clinical treatment regimens for IMN were reviewed, and the importance of the therapy for Th cells was highlighted.
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Affiliation(s)
- Qihan Zhao
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China
| | - Haoran Dai
- Shunyi Branch, Beijing Traditional Chinese Medicine Hospital, Beijing, China
| | - Xianli Liu
- Shunyi Branch, Beijing Traditional Chinese Medicine Hospital, Beijing, China
| | - Hanxue Jiang
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China
| | - Wenbin Liu
- Beijing University of Chinese Medicine, Beijing, China
| | - Zhendong Feng
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China.,Beijing Chinese Medicine Hospital Pinggu Hospital, Beijing, China
| | - Na Zhang
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China
| | - Yu Gao
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China
| | - Zhaocheng Dong
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China.,Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoshan Zhou
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China.,Beijing University of Chinese Medicine, Beijing, China
| | - Jieli Du
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China.,Beijing University of Chinese Medicine, Beijing, China
| | - Naiqian Zhang
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China.,Beijing University of Chinese Medicine, Beijing, China
| | - Hongliang Rui
- Beijing Institute of Traditional Chinese Medicine, Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China
| | - Li Yuan
- Department of Nephrology, Affiliated Hospital of Nantong University, Nantong, China
| | - Baoli Liu
- Beijing Hospital of Traditional Chinese Medicine Affiliated to Capital Medical University, Beijing, China
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30
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Xu H, Chen J, Wang Y, Wu Y, Liang Y. SELL and IFI44 as potential biomarkers of Sjögren's syndrome and their correlation with immune cell infiltration. Genes Genet Syst 2021; 96:71-80. [PMID: 33883324 DOI: 10.1266/ggs.20-00053] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The onset of Sjögren's syndrome (SS) is hidden, early diagnosis is difficult, and the disorder seriously endangers the physical and mental health of affected people. This study aims to identify potential biomarkers of SS and to investigate the characteristics of immune cell infiltration. We used four SS gene expression profile data series from the Gene Expression Omnibus database, and applied bioinformatics analysis and machine learning algorithms to screen two biomarkers, SELL (L-selectin) and IFI44 (interferon-induced protein 44), from 101 differentially expressed genes. The two-gene model comprising SELL and IFI44 showed good diagnostic ability for SS in the training set (AUC = 0.992) and verification set (AUC = 0.917). Analysis of infiltrating immune cells in SS identified naive B cells, resting CD4 memory T cells, activated CD4 memory T cells, gamma delta T cells, M0 macrophages, M1 macrophages, plasma cells, CD8 T cells, activated NK cells and monocytes as candidate participants in the SS process. Furthermore, SELL was associated with M2 macrophages, activated CD4 memory T cells, gamma delta T cells, resting NK cells and plasma cells, while IFI44 was associated with activated mast cells, resting NK cells, resting mast cells and CD8 T cells. This study demonstrates that SELL and IFI44 can serve as good diagnostic markers for SS and may also be new diagnostic and therapeutic targets for SS.
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Affiliation(s)
- Hua Xu
- Department of Laboratory Medicine, Panjin Liaoyou Gem Flower Hospital
| | - Jia Chen
- Department of General Practice, Panjin Liaoyou Gem Flower Hospital
| | - Yang Wang
- Department of Oncology, Panjin Liaoyou Gem Flower Hospital
| | - Yanmei Wu
- Department of Rheumatology and Immunology, Panjin Liaoyou Gem Flower Hospital
| | - Yingjie Liang
- Department of Laboratory Medicine, Panjin Liaoyou Gem Flower Hospital
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31
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Hart AP, Laufer TM. A review of signaling and transcriptional control in T follicular helper cell differentiation. J Leukoc Biol 2021; 111:173-195. [PMID: 33866600 DOI: 10.1002/jlb.1ri0121-066r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
T follicular helper (Tfh) cells are a critical component of adaptive immunity and assist in optimal Ab-mediated defense. Multiple effector functions of Tfh support germinal center B cell survival, Ab class switching, and plasma cell maturation. In the past 2 decades, the phenotype and functional characteristics of GC Tfh have been clarified allowing for robust studies of the Th subset including activation signals and environmental cues controlling Tfh differentiation and migration during an immune response. A unique, 2-step differentiation process of Tfh has been proposed but the mechanisms underlying transition between unstable Tfh precursors and functional mature Tfh remain elusive. Likewise, newly identified transcriptional regulators of Tfh development have not yet been incorporated into our understanding of how these cells might function in disease. Here, we review the signals and downstream transcription factors that shape Tfh differentiation including what is known about the epigenetic processes that maintain Tfh identity. It is proposed that further evaluation of the stepwise differentiation pattern of Tfh will yield greater insights into how these cells become dysregulated in autoimmunity.
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Affiliation(s)
- Andrew P Hart
- Division of Rheumatology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Terri M Laufer
- Division of Rheumatology, Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Division of Rheumatology, Department of Medicine, Corporal Michael C. Crescenz VA Medical Center, Philadelphia, PA, 19104, USA
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32
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Szabó K, Jámbor I, Szántó A, Horváth IF, Tarr T, Nakken B, Szodoray P, Papp G. The Imbalance of Circulating Follicular T Helper Cell Subsets in Primary Sjögren's Syndrome Associates With Serological Alterations and Abnormal B-Cell Distribution. Front Immunol 2021; 12:639975. [PMID: 33815392 PMCID: PMC8018236 DOI: 10.3389/fimmu.2021.639975] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/01/2021] [Indexed: 12/21/2022] Open
Abstract
Since B-cell hyperactivity and pathologic antibody response are key features in the immunopathogenesis of primary Sjögren's syndrome (pSS), the role of follicular T helper (TFH) cells as efficient helpers in the survival and differentiation of B cells has emerged. Our aim was to investigate whether a change in the balance of circulating (c)TFH subsets and follicular regulatory T (TFR) cells could affect the distribution of B cells in pSS. Peripheral blood of 38 pSS patients and 27 healthy controls was assessed for the frequencies of cTFH cell subsets, TFR cells, and certain B cell subpopulations by multicolor flow cytometry. Serological parameters, including anti-SSA, anti-SSB autoantibodies, immunoglobulin, and immune complex titers were determined as part of the routine diagnostic evaluation. Patients with pSS showed a significant increase in activated cTFH cell proportions, which was associated with serological results. Frequencies of cTFH subsets were unchanged in pSS patients compared to healthy controls. The percentages and number of cTFR cells exhibited a significant increase in autoantibody positive patients compared to patients with seronegative pSS. The proportions of transitional and naïve B cells were significantly increased, whereas subsets of memory B cells were significantly decreased and correlated with autoantibody production. Functional analysis revealed that the simultaneous blockade of cTFH and B cell interaction with anti-IL-21 and anti-CD40 antibodies decreased the production of IgM and IgG. Imbalance in TFH subsets and TFR cells indicates an ongoing over-activated humoral immune response, which contributes to the characteristic serological manifestations and the pathogenesis of pSS.
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Affiliation(s)
- Krisztina Szabó
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Ilona Jámbor
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Antónia Szántó
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Ildikó Fanny Horváth
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Tünde Tarr
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Britt Nakken
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Peter Szodoray
- Department of Immunology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Gábor Papp
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
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33
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Ghamar Talepoor A, Khosropanah S, Doroudchi M. Frequency of Efficient Circulating Follicular Helper T Cells Correlates with Dyslipidemia and WBC Count in Atherosclerosis. IRANIAN BIOMEDICAL JOURNAL 2021; 25:117-31. [PMID: 33465845 PMCID: PMC7921518 DOI: 10.29252/ibj.25.2.117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Background The significance of cTfh cells and their subsets in atherosclerosis is not well understood. We measured the frequency of cTfh subsets in patients with different degrees of stenosis using flow-cytometry. Methods Participants included high (≥50%; n = 12) and low (<50%; n = 12) stenosis groups, as well as healthy controls (n = 6). Results The frequency of CCR7loPD-1hiefficient-cTfh was significantly higher in patients with high stenosis compared to healthy controls (p = 0.003) and correlated with low-density lipoprotein (LDL; p = 0.043), cholesterol (p = 0.043), triglyceride (p = 0.019), neutrophil count (p = 0.032), platelet count (p = 0.024), neutrophil/lymphocyte ratio (NLR; p = 0.046), and platelet/lymphocyte ratio (PLR; p = 0.025) in high stenosis group. The frequency of CCR7hiPD-1lo quiescent-cTfh was higher in healthy controls compared to the high-stenosis group (p = 0.001) and positively correlated with high-density lipoprotein (p = 0.046). The frequency of efficient-cTfh cells was correlated with platelet count (p = 0.043), NLR (p = 0.036), and PLR (p P = 0.035) in low-stenosis group, while that of quiescent-cTfh cells was negatively correlated with LDL (p = 0.034), cholesterol (p = 0.047), platelet count (p = 0.032), and PLR (p = 0.041). Conclusion High percentages of cTfh and efficient-cTfh cells in patients with advanced atherosclerosis and their correlation with dyslipidemia and white blood cell counts suggest an ongoing cTfh subset deviation, towards efficient phenotype in the milieu of inflammation and altered lipid profile. Efficient cTfh cells have an effector phenotype and could in turn contribute to atherosclerosis progression.
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Affiliation(s)
- Atefe Ghamar Talepoor
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.,Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Shahdad Khosropanah
- Department of Cardiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mehrnoosh Doroudchi
- Department of Immunology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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34
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Loureiro-Amigo J, Palacio-García C, Martínez-Gallo M, Martínez-Valle F, Ramentol-Sintas M, Solans-Laqué R. Utility of lymphocyte phenotype profile to differentiate primary Sjögren syndrome from Sicca syndrome. Rheumatology (Oxford) 2021; 60:5647-5658. [PMID: 33620072 DOI: 10.1093/rheumatology/keab170] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 02/07/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND blood B cell profile has been proposed to have diagnostic utility in primary Sjögren syndrome (pSS), but the potential utility of advanced lymphocyte profiling to differentiate between pSS and Sicca syndrome has not been fully investigated. METHODS distribution of peripheral lymphocyte subpopulations was analysed by flow cytometry in 68 patients with pSS, 26 patients with Sicca syndrome and 23 healthy controls. The ability to discriminate between pSS and Sicca syndrome was analysed using the area under the curve (AUC) of the receiver operating characteristic curve of the different lymphocyte subsets. RESULTS the ratio between naïve/memory B cell proportions showed an AUC of 0.742 to differentiate pSS and Sicca syndrome, with a sensitivity of 76.6% and a specificity of 72% for a cut-off value of 3.4. The ratio of non-switched memory B cells to activated CD4+ T cells percentage (BNSM/CD4ACT) presented the highest AUC (0.840) with a sensitivity of 83.3% and specificity of 81.7% for a cut-off value < 4.1. To differentiate seronegative pSS patients from Sicca patients the BNSM/CD4ACT ratio exhibited an AUC of 0.742 (sensitivity 75%, specificity 66.7%, cut-off value < 4.4), and the number of naïve CD4 T cells had an AUC of 0.821 (sensitivity 76.9%, specificity 88.9%, cut-off value < 312/mm3). CONCLUSION patients with pSS show a profound imbalance in the distribution of circulating T and B lymphocytes subsets. The ratio BNSM/CD4ACT is useful to discriminate between pSS and Sicca syndrome.
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Affiliation(s)
- Jose Loureiro-Amigo
- Autoimmune Systemic Diseases Unit. Internal Medicine Department. Hospital Universitari Vall d'Hebron. Barcelona. Spain.,Department of Medicine, Faculty of Medicine. Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Carlos Palacio-García
- Flow Cytometry Unit, Haematology Department. Hospital Universitari Vall d'Hebron. Barcelona. Spain
| | - Mónica Martínez-Gallo
- Immunology Department. Hospital Universitari Vall d'Hebron. Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Fernando Martínez-Valle
- Autoimmune Systemic Diseases Unit. Internal Medicine Department. Hospital Universitari Vall d'Hebron. Barcelona. Spain.,Department of Medicine, Faculty of Medicine. Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Marc Ramentol-Sintas
- Autoimmune Systemic Diseases Unit. Internal Medicine Department. Hospital Universitari Vall d'Hebron. Barcelona. Spain
| | - Roser Solans-Laqué
- Autoimmune Systemic Diseases Unit. Internal Medicine Department. Hospital Universitari Vall d'Hebron. Barcelona. Spain.,Department of Medicine, Faculty of Medicine. Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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35
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IL-10-producing regulatory B cells are present and functional in primary Sjögren patients. Immunol Res 2021; 69:107-113. [PMID: 33483936 DOI: 10.1007/s12026-021-09171-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Accepted: 01/06/2021] [Indexed: 10/22/2022]
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36
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The Involvement of Innate and Adaptive Immunity in the Initiation and Perpetuation of Sjögren's Syndrome. Int J Mol Sci 2021; 22:ijms22020658. [PMID: 33440862 PMCID: PMC7826728 DOI: 10.3390/ijms22020658] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/01/2021] [Accepted: 01/06/2021] [Indexed: 02/07/2023] Open
Abstract
Sjogren’s syndrome (SS) is a chronic autoimmune disease characterized by the infiltration of exocrine glands including salivary and lachrymal glands responsible for the classical dry eyes and mouth symptoms (sicca syndrome). The spectrum of disease manifestations stretches beyond the classical sicca syndrome with systemic manifestations including arthritis, interstitial lung involvement, and neurological involvement. The pathophysiology underlying SS is not well deciphered, but several converging lines of evidence have supported the conjuncture of different factors interplaying together to foster the initiation and perpetuation of the disease. The innate and adaptive immune system play a cardinal role in this process. In this review, we discuss the inherent parts played by both the innate and adaptive immune system in the pathogenesis of SS.
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37
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Zhou X, Liu Y, Jin Y, Wang Y, Miao M, Chen J, Cheng Y, Liu Y, He J, Li Z. Immune responses after influenza vaccination in patients of primary Sjögren's syndrome. Rheumatology (Oxford) 2021; 60:224-230. [PMID: 32671409 DOI: 10.1093/rheumatology/keaa243] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 03/26/2020] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES Influenza vaccination is effective in preventing infections in most people. This study aimed to assess the changes of immune responses in primary Sjögren's Syndrome (pSS) patients after influenza vaccination and determine the safety of influenza vaccination. METHODS A total of 17 patients with pSS and 16 healthy controls (HCs) were included. Peripheral mononuclear cells were analysed by flow cytometry. Vaccine-specific antibodies were determined by ELISA. Clinical features and serological responses were monitored. RESULTS The percentages of T follicular helper cell (Tfh) were significantly elevated in HCs after vaccination (P=0.0005), while no significant differences in the levels of Tfh in pSS patients were identified (P=0.1748). The proportions of Th2 cells were significantly decreased after vaccination in both pSS patients and HCs (P<0.05). In contrast, the percentages of Th1 cells and Th17 cells were significantly increased after vaccination in pSS patients (P<0.05), while no significant differences in the percentages of Th1 and Th17 cells were identified in HCs (P>0.05), although a trend towards higher levels of Th1 cells was observed (P=0.0830). No significant changes in the proportions of memory B cells and plasmablasts were observed after vaccination. Patients with pSS developed higher levels of vaccine-specific IgGs compared with HCs (P=0.001). No significant changes in disease manifestations and laboratory parameters were observed after vaccination. No increased vaccination related adverse effect was observed in pSS. CONCLUSION Our findings suggest the feasibility of applying influenza vaccines to patients with pSS, raising awareness for vaccination among the rheumatology community and involved healthcare professionals.
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Affiliation(s)
| | - Yisi Liu
- Department of Infectious Disease
| | - Yuebo Jin
- Department of Rheumatology and Immunology
| | - Yifan Wang
- Department of Rheumatology and Immunology
| | - Miao Miao
- Department of Rheumatology and Immunology
| | - Jiali Chen
- Department of Rheumatology and Immunology
| | | | - Yudong Liu
- Department of Clinical Laboratory, Peking University People's Hospital, Beijing, China
| | - Jing He
- Department of Rheumatology and Immunology
| | - Zhanguo Li
- Department of Rheumatology and Immunology
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38
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Chen W, Yang F, Xu G, Ma J, Lin J. Follicular helper T cells and follicular regulatory T cells in the immunopathology of primary Sjögren's syndrome. J Leukoc Biol 2020; 109:437-447. [PMID: 33325085 DOI: 10.1002/jlb.5mr1020-057rr] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 10/19/2020] [Accepted: 11/23/2020] [Indexed: 12/13/2022] Open
Abstract
Primary Sjögren's syndrome (pSS) is a chronic autoimmune disease, characterized by lymphocytic infiltration into exocrine glands, which causes dry eyes, dry mouth, and systemic damage. Although the precise etiology of pSS is not clear yet, highly activated B cells, abundant anti-SSA/Ro, and anti-SSB/La autoantibodies are the hallmarks of this disease. Follicular helper T cells (Tfh), a subset of CD4+ T cells, with cell surface receptors PD-1 and CXCR5, express ICOS, transcription factor Bcl-6, and a cytokine IL-21. These cells help in the differentiation of B cells into plasma cells and stimulate the formation of germinal center (GC). Previous studies have demonstrated abundant Tfh cells in the peripheral blood and salivary glands (SGs) of the patients with pSS, correlated with extensive lymphocytic infiltration of the SGs and high disease activity scores. Patients with pSS who are treated with abatacept (CTLA-4 Ig) show fewer circulating Tfh cells, reduced expression of ICOS, and lower disease activity scores. Recently identified follicular regulatory T (Tfr) cells, a subset of regulatory T cells, control the function of Tfh cells and the GC reactions. Here, we summarize the observed alterations in Tfh and Tfr cell numbers, activation state, and circulating subset distribution in pSS. Our goal is to improve the understanding of the roles of Tfh and Tfr cells (surface marker expression, cytokine production, and transcription factors) in the pathogenesis of pSS, thus contributing to the identification of candidate therapeutic agents for this disease.
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Affiliation(s)
- Weiqian Chen
- Division of Rheumatology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Fan Yang
- State Key Laboratory of Infectious Diseases Diagnosis and Treatment, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Guanhua Xu
- Division of Rheumatology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jilin Ma
- Division of Nephrology, Zhejiang Traditional Chinese Medicine and Western Medicine Hospital, Hangzhou, Zhejiang, China
| | - Jin Lin
- Division of Rheumatology, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
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Srivastava A, Makarenkova HP. Innate Immunity and Biological Therapies for the Treatment of Sjögren's Syndrome. Int J Mol Sci 2020; 21:E9172. [PMID: 33271951 PMCID: PMC7730146 DOI: 10.3390/ijms21239172] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/27/2020] [Accepted: 11/28/2020] [Indexed: 12/11/2022] Open
Abstract
Sjögren's syndrome (SS) is a systemic autoimmune disorder affecting approximately 3% of the population in the United States. This disease has a female predilection and affects exocrine glands, including lacrimal and salivary glands. Dry eyes and dry mouths are the most common symptoms due to the loss of salivary and lacrimal gland function. Symptoms become more severe in secondary SS, where SS is present along with other autoimmune diseases like systemic lupus erythematosus, systemic sclerosis, or rheumatoid arthritis. It is known that aberrant activation of immune cells plays an important role in disease progression, however, the mechanism for these pathological changes in the immune system remains largely unknown. This review highlights the role of different immune cells in disease development, therapeutic treatments, and future strategies that are available to target various immune cells to cure the disease.
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Affiliation(s)
| | - Helen P. Makarenkova
- Department of Molecular Medicine, The Scripps Research Institute, 10550 North Torrey Pines Rd., La Jolla, CA 92037, USA;
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40
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Pontarini E, Murray-Brown WJ, Croia C, Lucchesi D, Conway J, Rivellese F, Fossati-Jimack L, Astorri E, Prediletto E, Corsiero E, Romana Delvecchio F, Coleby R, Gelbhardt E, Bono A, Baldini C, Puxeddu I, Ruscitti P, Giacomelli R, Barone F, Fisher B, Bowman SJ, Colafrancesco S, Priori R, Sutcliffe N, Challacombe S, Carlesso G, Tappuni A, Pitzalis C, Bombardieri M. Unique expansion of IL-21+ Tfh and Tph cells under control of ICOS identifies Sjögren's syndrome with ectopic germinal centres and MALT lymphoma. Ann Rheum Dis 2020; 79:1588-1599. [PMID: 32963045 PMCID: PMC7677495 DOI: 10.1136/annrheumdis-2020-217646] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/28/2020] [Accepted: 07/13/2020] [Indexed: 12/15/2022]
Abstract
OBJECTIVES To explore the relevance of T-follicular-helper (Tfh) and pathogenic peripheral-helper T-cells (Tph) in promoting ectopic lymphoid structures (ELS) and B-cell mucosa-associated lymphoid tissue (MALT) lymphomas (MALT-L) in Sjögren's syndrome (SS) patients. METHODS Salivary gland (SG) biopsies with matched peripheral blood were collected from four centres across the European Union. Transcriptomic (microarray and quantitative PCR) analysis, FACS T-cell immunophenotyping with intracellular cytokine detection, multicolor immune-fluorescence microscopy and in situ hybridisation were performed to characterise lesional and circulating Tfh and Tph-cells. SG-organ cultures were used to investigate functionally the blockade of T-cell costimulatory pathways on key proinflammatory cytokine production. RESULTS Transcriptomic analysis in SG identified Tfh-signature, interleukin-21 (IL-21) and the inducible T-cell co-stimulator (ICOS) costimulatory pathway as the most upregulated genes in ELS+SS patients, with parotid MALT-L displaying a 400-folds increase in IL-21 mRNA. Peripheral CD4+CXC-motif chemokine receptor 5 (CXCR5)+programmed cell death protein 1 (PD1)+ICOS+ Tfh-like cells were significantly expanded in ELS+SS patients, were the main producers of IL-21, and closely correlated with circulating IgG and reduced complement C4. In the SG, lesional CD4+CD45RO+ICOS+PD1+ cells selectively infiltrated ELS+ tissues and were aberrantly expanded in parotid MALT-L. In ELS+SG and MALT-L parotids, conventional CXCR5+CD4+PD1+ICOS+Foxp3- Tfh-cells and a uniquely expanded population of CXCR5-CD4+PD1hiICOS+Foxp3- Tph-cells displayed frequent IL-21/interferon-γ double-production but poor IL-17 expression. Finally, ICOS blockade in ex vivo SG-organ cultures significantly reduced the production of IL-21 and inflammatory cytokines IL-6, IL-8 and tumour necrosis factor-α (TNF-α). CONCLUSIONS Overall, these findings highlight Tfh and Tph-cells, IL-21 and the ICOS costimulatory pathway as key pathogenic players in SS immunopathology and exploitable therapeutic targets in SS.
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Affiliation(s)
- Elena Pontarini
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - William James Murray-Brown
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Cristina Croia
- Immuno-Allergology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Davide Lucchesi
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - James Conway
- Oncology R&D, Astrazeneca, Gaithersburg, Maryland, USA
| | - Felice Rivellese
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Liliane Fossati-Jimack
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Elisa Astorri
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Edoardo Prediletto
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Elisa Corsiero
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | | | - Rachel Coleby
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Eva Gelbhardt
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Aurora Bono
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | | | - Ilaria Puxeddu
- Immuno-Allergology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Piero Ruscitti
- Department of Clinical Sciences and Applied Biotechnology, University of L'Aquila, L'Aquila, Abruzzo, Italy
| | - Roberto Giacomelli
- Department of Clinical Sciences and Applied Biotechnology, University of L'Aquila, L'Aquila, Abruzzo, Italy
| | - Francesca Barone
- RRG, Institute of Inflamation and Ageing, University of Birmingham, Birmingham, UK, UK
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Benjamin Fisher
- RRG, Institute of Inflamation and Ageing, University of Birmingham, Birmingham, UK, UK
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Simon J Bowman
- NIHR Birmingham Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Serena Colafrancesco
- Dipartimento di Medicina Interna e Specilità Mediche, UOC Reumatologia, Universita degli Studi di Roma La Sapienza Facolta di Medicina e Odontoiatria, Roma, Lazio, Italy
| | - Roberta Priori
- Dipartimento di Medicina Interna e Specilità Mediche, UOC Reumatologia, Universita degli Studi di Roma La Sapienza Facolta di Medicina e Odontoiatria, Roma, Lazio, Italy
| | | | | | - Gianluca Carlesso
- Early ICA Discovery, Early Oncology R&D, AstraZeneca, Gaithersburg, Maryland, USA
| | - Anwar Tappuni
- Institute of Dentistry, Barts and The London School of Medicine and Dentistry, London, London, UK
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
| | - Michele Bombardieri
- Centre for Experimental Medicine and Rheumatology, William Harvey Research Institute, London, England, UK
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Ríos-Ríos WDJ, Sosa-Luis SA, Torres-Aguilar H. T Cells Subsets in the Immunopathology and Treatment of Sjogren's Syndrome. Biomolecules 2020; 10:E1539. [PMID: 33187265 PMCID: PMC7698113 DOI: 10.3390/biom10111539] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/06/2020] [Accepted: 11/08/2020] [Indexed: 02/06/2023] Open
Abstract
Sjogren´s syndrome (SS) is an autoimmune disease whose pathogenesis is characterized by an exacerbated T cell infiltration in exocrine glands, markedly associated to the inflammatory and detrimental features as well as the disease progression. Several helper T cell subsets sequentially converge at different stages of the ailment, becoming involved in specific pathologic roles. Initially, their activated phenotype endows them with high migratory properties and increased pro-inflammatory cytokine secretion in target tissues. Later, the accumulation of immunomodulatory T cells-derived factors, such as IL-17, IFN-γ, or IL-21, preserve the inflammatory environment. These effects favor strong B cell activation, instigating an extrafollicular antibody response in ectopic lymphoid structures mediated by T follicular helper cells (Tfh) and leading to disease progression. Additionally, the memory effector phenotype of CD8+ T cells present in SS patients suggests that the presence of auto-antigen restricted CD8+ T cells might trigger time-dependent and specific immune responses. Regarding the protective roles of traditional regulatory T cells (Treg), uncertain evidence shows decrease or invariable numbers of circulating and infiltrating cells. Nevertheless, an emerging Treg subset named follicular regulatory T cells (Tfr) seems to play a critical protective role owing to their deficiency that enhances SS development. In this review, the authors summarize the current knowledge of T cells subsets contribution to the SS immunopathology, focusing on the cellular and biomolecular properties allowing them to infiltrate and to harm target tissues, and that simultaneously make them key therapeutic targets for SS treatment.
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Affiliation(s)
- William de Jesús Ríos-Ríos
- Department of Clinical Immunology Research of Biochemical Sciences Faculty, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca City 68120, Mexico;
| | - Sorely Adelina Sosa-Luis
- Department of Molecular Biomedicine, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Mexico City 07360, Mexico;
| | - Honorio Torres-Aguilar
- Department of Clinical Immunology Research of Biochemical Sciences Faculty, Universidad Autónoma “Benito Juárez” de Oaxaca, Oaxaca City 68120, Mexico;
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Wang Y, Liu Z, Wu J, Li F, Li G, Dong N. Profiling circulating T follicular helper cells and their effects on B cells in post-cardiac transplant recipients. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1369. [PMID: 33313114 PMCID: PMC7723658 DOI: 10.21037/atm-20-3027] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background To evaluate circulating T follicular helper (cTfh) cells and characterize their function in chronic-phase recipients after heart transplantation. Methods Participants were divided into healthy control (HC, n=40), preoperative (Pre, n=40), and post-transplantation chronic-phase recipient (1-year, n=40) groups. The percentages of cTfh cell subsets and CD19+ B cell subsets were measured using flow cytometry. In vitro co-culture experiments were performed using cTfh cells and B cells isolated by fluorescence-activated cell sorting. Plasma concentrations of IL-21, chemokine ligand 13 (CXCL13), immunoglobulin G1 (IgG1), and immunoglobulin G3 (IgG3) were quantified using enzyme-linked immunosorbent assays (ELISA). Results cTfh and programmed cell death protein 1-positive (PD-1+) cTfh cells, the cTfh17/cTfh ratio, and class-switched memory B cells in peripheral blood were significantly increased in the 1-year group versus the HC and Pre groups (P<0.01), whereas the cTfh1/cTfh ratio and number of naïve B cells were significantly decreased in the 1-year group. Co-culture experiments showed that cTfh cells promoted B cell differentiation to plasmablasts. In the 1-year group, cTfh and PD-1+ cTfh cell numbers were positively correlated with plasmablasts in CD19+ B cells (P<0.01). The cTfh17/cTfh ratio was positively correlated with IgG3 concentrations in plasma (P<0.01). The plasma concentrations of interleukin-21 (IL-21) and CXCL13 in the 1-year group were increased compared to the HC and Pre groups (P<0.05). Chronic-phase recipients had increased proportions of CD4+CXCR5+ and CD4+CXCR5+PD-1+ cTfh cells, with a cTfh1-to-cTfh17 subtype conversion. An increased number of cTfh cells was positively correlated with B cell differentiation to plasmablasts, class-switched memory B cells, and greater IgG production. Conclusions During the chronic phase, the proportion of cTfh cells increased and enhanced B cell responses. The cTfh-related soluble factors CXCL13 and IL-21 may regulate the immunopathogenesis of chronic immune injury. Thus, cTfh cells may drive long-term immune rejection in chronic-phase recipients after heart transplantation.
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Affiliation(s)
- Yixuan Wang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zongtao Liu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Wu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fei Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Geng Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Nianguo Dong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Peng Y, Guo F, Liao S, Liao H, Xiao H, Yang L, Liu H, Pan Q. Altered frequency of peripheral B-cell subsets and their correlation with disease activity in patients with systemic lupus erythematosus: A comprehensive analysis. J Cell Mol Med 2020; 24:12044-12053. [PMID: 32918534 PMCID: PMC7579696 DOI: 10.1111/jcmm.15836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 02/05/2023] Open
Abstract
Alternations of peripheral B-cell subsets are closely related to disease activity in systemic lupus erythematosus (SLE) and may also predict the relapse of SLE. In this study, we aimed to comprehensively analyse the frequency of peripheral B-cell subsets, and their correlation with disease activity in patients with SLE. The results showed that for B-cell subsets in the antigen-independent differentiation stage, the frequency of the peripheral hematopoietic stem cell (HSC) subset in all patients with SLE was significantly higher than that of control patients. Surprisingly, several significant correlations were noted in newly diagnosed patients with SLE including a positive correlation in the frequency of the common lymphoid progenitor cell (CLP) with cholesterol serum levels. For B-cell subsets in the antigen-dependent differentiation stage, the frequency of naïve B-cell (N-B) subsets in all patients with SLE was significantly higher than that in the control patients. Moreover, the frequency of plasmablasts positively correlated with the SLEDAI score in the newly diagnosed patients. For memory B-cell (M-B) subtypes in the antigen-dependent differentiation stage, the frequency of the class-switched memory B-cell (CSM-B) subsets was positively correlated with the serum levels of complement C3. Notably, the frequency of the CSM-B subset also negatively correlated with the SLEDAI score, whereas the non-class-switched memory B-cell (NSM-B) subset was positively correlated with the serum levels of haemoglobin. Collectively, these findings may contribute to a better understanding of the role played by different B-cell subsets in the pathogenesis of SLE.
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Affiliation(s)
- Yanxia Peng
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang CityInstitute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina
- Central Laboratory and Department of NeurologyShunde HospitalSouthern Medical University (The First People’s Hospital of Shunde Foshan)FoshanChina
| | - Fengbiao Guo
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang CityInstitute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina
- Department of Histology and EmbryologyShantou University Medical CollegeShantouChina
| | - Shuzhen Liao
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang CityInstitute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina
| | - Huanjin Liao
- Department of Laboratory MedicineShanghai General HospitalShanghai Jiao Tong University School of MedicineShanghaiChina
| | - Haiyan Xiao
- Department of Cellular Biology and AnatomyAugusta UniversityAugustaGAUSA
| | - Lawei Yang
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang CityInstitute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina
| | - Hua‐feng Liu
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang CityInstitute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina
| | - Qingjun Pan
- Key Laboratory of Prevention and Management of Chronic Kidney Disease of Zhanjiang CityInstitute of NephrologyAffiliated Hospital of Guangdong Medical UniversityZhanjiangChina
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44
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Contributions of Major Cell Populations to Sjögren's Syndrome. J Clin Med 2020; 9:jcm9093057. [PMID: 32971904 PMCID: PMC7564211 DOI: 10.3390/jcm9093057] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 09/12/2020] [Accepted: 09/15/2020] [Indexed: 12/13/2022] Open
Abstract
Sjögren’s syndrome (SS) is a female dominated autoimmune disease characterized by lymphocytic infiltration into salivary and lacrimal glands and subsequent exocrine glandular dysfunction. SS also may exhibit a broad array of extraglandular manifestations including an elevated incidence of non-Hodgkin’s B cell lymphoma. The etiology of SS remains poorly understood, yet progress has been made in identifying progressive stages of disease using preclinical mouse models. The roles played by immune cell subtypes within these stages of disease are becoming increasingly well understood, though significant gaps in knowledge still remain. There is evidence for distinct involvement from both innate and adaptive immune cells, where cells of the innate immune system establish a proinflammatory environment characterized by a type I interferon (IFN) signature that facilitates propagation of the disease by further activating T and B cell subsets to generate autoantibodies and participate in glandular destruction. This review will discuss the evidence for participation in disease pathogenesis by various classes of immune cells and glandular epithelial cells based upon data from both preclinical mouse models and human patients. Further examination of the contributions of glandular and immune cell subtypes to SS will be necessary to identify additional therapeutic targets that may lead to better management of the disease.
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Rodríguez-Martín E, Nieto-Gañán I, Hernández-Breijo B, Sobrino C, García-Hoz C, Bachiller J, Martínez-Feito A, Navarro-Compán V, Lapuente-Suanzes P, Bonilla G, Pascual-Salcedo D, Roy G, Jurado T, Nozal P, Vázquez-Díaz M, Balsa A, Villar LM, Plasencia-Rodríguez C. Blood Lymphocyte Subsets for Early Identification of Non-Remission to TNF Inhibitors in Rheumatoid Arthritis. Front Immunol 2020; 11:1913. [PMID: 32973793 PMCID: PMC7481468 DOI: 10.3389/fimmu.2020.01913] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 07/16/2020] [Indexed: 12/21/2022] Open
Abstract
Background: TNF inhibitors (TNFis) are widely used for the treatment of rheumatoid arthritis (RA), although the response rates to this therapy in patients with RA remains heterogeneous and < 50% achieve remission (REM). Objective: To analyze baseline peripheral blood leukocytes profiles in order to search for biomarkers identifying patients who will most likely not achieve REM under TNFi treatment. Methods: A prospective bi-center pilot study including 98 RA patients treated with TNFis and followed-up during 6 months. Patients were classified according to DAS28 as follows: those who achieved REM (DAS28 ≤ 2.6) and those who did not (DAS28 > 2.6) at 6 months after starting TNFis. These rates were also assessed by simplified disease activity index (SDAI ≤ 3.3 and SDAI > 3.3, respectively). Peripheral blood immune cells were studied by flow cytometry before treatment initiation. Results: At 6 months, 61 or 80% of patients did not achieve REM by DAS28 or SDAI, respectively. Basal leukocyte profiles differed between REM vs. non-REM patients. Non-REM patients showed lower percentages of total and naïve B cells at baseline than REM subjects. A B lymphocyte/CD4+ lymphocyte ratio (BL/CD4 ratio) <0.2 clearly associated with a higher probability of non-REM status based on DAS28 at 6 months (OR = 9.2, p = 0.006). These data were confirmed when patient response was evaluated by SDAI index. Conclusion: Our results strongly suggest that BL/CD4 ratio could be considered as a useful biomarker for the early identification of non-remitters to TNFi in clinical practice.
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Affiliation(s)
| | - Israel Nieto-Gañán
- Department of Immunology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | | | - Cristina Sobrino
- Department of Rheumatology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Carlota García-Hoz
- Department of Immunology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Javier Bachiller
- Department of Rheumatology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Ana Martínez-Feito
- Immuno-Rheumatology Research Group, IdiPaz Hospital Universitario La Paz, Madrid, Spain
| | | | | | - Gema Bonilla
- Immuno-Rheumatology Research Group, IdiPaz Hospital Universitario La Paz, Madrid, Spain
| | - Dora Pascual-Salcedo
- Immuno-Rheumatology Research Group, IdiPaz Hospital Universitario La Paz, Madrid, Spain
| | - Garbiñe Roy
- Department of Immunology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Teresa Jurado
- Immuno-Rheumatology Research Group, IdiPaz Hospital Universitario La Paz, Madrid, Spain
| | - Pilar Nozal
- Immuno-Rheumatology Research Group, IdiPaz Hospital Universitario La Paz, Madrid, Spain
| | - Mónica Vázquez-Díaz
- Department of Rheumatology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
| | - Alejandro Balsa
- Immuno-Rheumatology Research Group, IdiPaz Hospital Universitario La Paz, Madrid, Spain
| | - Luisa M Villar
- Department of Immunology, IRYCIS, Hospital Universitario Ramón y Cajal, Madrid, Spain
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Li G, Zhang L, Han N, Zhang K, Li H. Increased Th17 and Th22 Cell Percentages Predict Acute Lung Injury in Patients with Sepsis. Lung 2020; 198:687-693. [PMID: 32462370 DOI: 10.1007/s00408-020-00362-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 05/08/2020] [Indexed: 12/15/2022]
Abstract
PURPOSE This study was conducted to investigate the percentages of Th22 and Th17 cells in the peripheral blood of septic patients with and without acute lung injury (ALI) and their clinical significance. METHODS A total of 479 patients were divided into non-ALI and ALI groups. The percentages of Th22 and Th17 cells and the levels of interleukin 22 (IL-22), 6 (IL-6), and 17 (IL-17) were determined. Receiver operating characteristic curve analysis was performed to assess the diagnostic value of Th22 and Th17 cells to predict sepsis-induced ALI. RESULTS The lung injury prediction score (LIPS), IL-6, IL-17, and IL-22 levels and the percentages of Th17 and Th22 cells were significantly higher in the ALI group (P < 0.05). They were significant factors affecting sepsis-induced ALI (P < 0.05). Multivariate logistic regression analysis showed that the LIPS (OR = 1.130), IL-17 (OR = 1.982), IL-22 (OR = 2.612) and the percentages of Th17 (OR = 2.211) and Th22 (OR = 3.230) cells were independent risk factors for ALI. The area under the curve of Th22 cells was 0.844 to predict ALI with a cutoff value of 6.81%. The sensitivity and specificity for early diagnosis of sepsis-induced ALI by the Th22 cell percentage were 78.72% and 89.13%, respectively. CONCLUSIONS Th22 and Th17 cells in peripheral blood are significantly increased in septic patients with ALI and they may be used as biomarkers for early diagnosis of sepsis-induced ALI.
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Affiliation(s)
- Gang Li
- Department of Emergency Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, 158 Shangtang Road, Hangzhou, 310014, China.
| | - Liangtian Zhang
- Department of Critical Care Medicine, Chunan First People's Hospital, Zhejiang Provincial People's Hospital Chunan Branch, Chunan, China
| | - Nannan Han
- Department of Emergency Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, 158 Shangtang Road, Hangzhou, 310014, China
| | - Ke Zhang
- Department of Emergency Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, 158 Shangtang Road, Hangzhou, 310014, China
| | - Hengjie Li
- Department of Emergency Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, 158 Shangtang Road, Hangzhou, 310014, China
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47
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Cantarelli C, Jarque M, Angeletti A, Manrique J, Hartzell S, O'Donnell T, Merritt E, Laserson U, Perin L, Donadei C, Anderson L, Fischman C, Chan E, Draibe J, Fulladosa X, Torras J, Riella LV, La Manna G, Fiaccadori E, Maggiore U, Bestard O, Cravedi P. A Comprehensive Phenotypic and Functional Immune Analysis Unravels Circulating Anti-Phospholipase A2 Receptor Antibody Secreting Cells in Membranous Nephropathy Patients. Kidney Int Rep 2020; 5:1764-1776. [PMID: 33102969 PMCID: PMC7569696 DOI: 10.1016/j.ekir.2020.07.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/20/2020] [Accepted: 07/24/2020] [Indexed: 12/20/2022] Open
Abstract
Introduction Primary membranous nephropathy (MN) is characterized by the presence of antipodocyte antibodies, but studies describing phenotypic and functional abnormalities in circulating lymphocytes are limited. Methods We analyzed 68 different B- and T-cell subsets using flow cytometry in 30 MN patients (before initiating immunosuppression) compared with 31 patients with non–immune-mediated chronic kidney disease (CKD) and 12 healthy individuals. We also measured 19 serum cytokines in MN patients and in healthy controls. Lastly, we quantified the ex vivo production of phospholipase A2 receptor (PLA2R)-specific IgG by plasmablasts (measuring antibodies in culture supernatants and by the newly developed FluoroSpot assay [AutoImmun Diagnostika, Strasberg, Germany]) and assessed the circulating antibody repertoire by phage immunoprecipitation sequencing (PhIP-Seq). Results After adjusting for multiple testing, plasma cells and regulatory B cells (BREG) were significantly higher (P < 0.05) in MN patients compared with both control groups. The percentages of circulating plasma cells correlated with serum anti-PLA2R antibody levels (P = 0.042) and were associated with disease activity. Ex vivo–expanded PLA2R-specific IgG-producing plasmablasts generated from circulating PLA2R-specific memory B cells (mBCs) correlated with serum anti-PLA2R IgG antibodies (P < 0.001) in MN patients. Tumor necrosis factor-α (TNF-α) was the only significantly increased cytokine in MN patients (P < 0.05), whereas there was no significant difference across study groups in the autoantibody and antiviral antibody repertoire. Conclusion This extensive phenotypic and functional immune characterization shows that autoreactive plasma cells are present in the circulation of MN patients, providing a new therapeutic target and a candidate biomarker of disease activity.
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Affiliation(s)
- Chiara Cantarelli
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA.,Dipartimento di Medicina e Chirurgia Università di Parma, Unita' Operativa Nefrologia, Azienda Ospedaliera-Universitaria Parma, Parma, Italy
| | - Marta Jarque
- Kidney Transplant Unit, Nephrology Department, Bellvitge University Hospital, Barcelona University, Biomedical Research Institute of Bellvitge, Barcelona, Spain
| | - Andrea Angeletti
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Policlinico Sant'Orsola-Malpighi, Bologna, Italy
| | - Joaquin Manrique
- Nephrology Service, Complejo Hospitalario de Navarra, Pamplona, Spain
| | - Susan Hartzell
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Timothy O'Donnell
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Elliot Merritt
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Uri Laserson
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Laura Perin
- Department of Urology, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Chiara Donadei
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Policlinico Sant'Orsola-Malpighi, Bologna, Italy
| | - Lisa Anderson
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Clara Fischman
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Emilie Chan
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Juliana Draibe
- Kidney Transplant Unit, Nephrology Department, Bellvitge University Hospital, Barcelona University, Biomedical Research Institute of Bellvitge, Barcelona, Spain
| | - Xavier Fulladosa
- Kidney Transplant Unit, Nephrology Department, Bellvitge University Hospital, Barcelona University, Biomedical Research Institute of Bellvitge, Barcelona, Spain
| | - Joan Torras
- Kidney Transplant Unit, Nephrology Department, Bellvitge University Hospital, Barcelona University, Biomedical Research Institute of Bellvitge, Barcelona, Spain
| | - Leonardo V Riella
- Division of Nephrology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.,Center for Transplantation Sciences, Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Gaetano La Manna
- Dipartimento di Medicina Specialistica, Diagnostica e Sperimentale, Policlinico Sant'Orsola-Malpighi, Bologna, Italy
| | - Enrico Fiaccadori
- Dipartimento di Medicina e Chirurgia Università di Parma, Unita' Operativa Nefrologia, Azienda Ospedaliera-Universitaria Parma, Parma, Italy
| | - Umberto Maggiore
- Dipartimento di Medicina e Chirurgia Università di Parma, Unita' Operativa Nefrologia, Azienda Ospedaliera-Universitaria Parma, Parma, Italy
| | - Oriol Bestard
- Kidney Transplant Unit, Nephrology Department, Bellvitge University Hospital, Barcelona University, Biomedical Research Institute of Bellvitge, Barcelona, Spain
| | - Paolo Cravedi
- Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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48
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Tangye SG, Ma CS. Regulation of the germinal center and humoral immunity by interleukin-21. J Exp Med 2020; 217:132621. [PMID: 31821441 PMCID: PMC7037251 DOI: 10.1084/jem.20191638] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/28/2019] [Accepted: 10/30/2019] [Indexed: 12/13/2022] Open
Abstract
Here we review the critical and non-redundant functions of IL-21 in regulating humoral immune responses. We particularly focus on studies in natura—from individuals from inborn errors of immunity that impact on IL-21 production and/or function. Cytokines play critical roles in regulating the development, survival, differentiation, and function of immune cells. Cytokines exert their function by binding specific receptor complexes on the surface of immune cells and activating intracellular signaling pathways, thereby resulting in induction of specific transcription factors and regulated expression of target genes. While the function of cytokines is often fundamental for the generation of robust and effective immunity following infection or vaccination, aberrant production or function of cytokines can underpin immunopathology. IL-21 is a pleiotropic cytokine produced predominantly by CD4+ T cells. Gene-targeting studies in mice, in vitro analyses of human and murine lymphocytes, and the recent discoveries and analyses of humans with germline loss-of-function mutations in IL21 or IL21R have revealed diverse roles of IL-21 in immune regulation and effector function. This review will focus on recent advances in IL-21 biology that have highlighted its critical role in T cell–dependent B cell activation, germinal center reactions, and humoral immunity and how impaired responses to, or production of, IL-21 can lead to immune dysregulation.
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Affiliation(s)
- Stuart G Tangye
- Immunology Theme, Garvan Institute of Medical Research, Darlinghurst, Australia.,St Vincent's Clinical School, University of New South Wales Sydney, Darlinghurst, Australia.,Clinical Immunogenomics Consortium of Australasia, Darlinghurst, Australia
| | - Cindy S Ma
- Immunology Theme, Garvan Institute of Medical Research, Darlinghurst, Australia.,St Vincent's Clinical School, University of New South Wales Sydney, Darlinghurst, Australia.,Clinical Immunogenomics Consortium of Australasia, Darlinghurst, Australia
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Kurata I, Matsumoto I, Sumida T. T follicular helper cell subsets: a potential key player in autoimmunity. Immunol Med 2020; 44:1-9. [PMID: 32546108 DOI: 10.1080/25785826.2020.1776079] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Follicular helper T (Tfh) cells are one of CD4+ helper T subsets which promote B cell maturation, activation and antigen-specific antibody production. Autoantibodies are hallmarks of autoimmune diseases, and crucial contributions of Tfh cells in development of these diseases are now evident. Deregulation of Tfh activities can contribute to a pathogenic autoantibody production and can play an important role in the promotion of autoimmune diseases. These days multiple researchers reported three subpopulations which has distinct effector functions in Tfh cells: Tfh1, Tfh2 and Tfh17 cells. In this review, we summarize the observed alterations in whole Tfh cells and subset distribution during autoimmune diseases.
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Affiliation(s)
- Izumi Kurata
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Isao Matsumoto
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Takayuki Sumida
- Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan
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Jablonka A, Etemadi H, Adriawan IR, Ernst D, Jacobs R, Buyny S, Witte T, Schmidt RE, Atschekzei F, Sogkas G. Peripheral Blood Lymphocyte Phenotype Differentiates Secondary Antibody Deficiency in Rheumatic Disease from Primary Antibody Deficiency. J Clin Med 2020; 9:jcm9041049. [PMID: 32272789 PMCID: PMC7230453 DOI: 10.3390/jcm9041049] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/02/2020] [Accepted: 04/06/2020] [Indexed: 02/07/2023] Open
Abstract
The phenotype of primary immunodeficiency disorders (PID), and especially common variable immunodeficiency (CVID), may be dominated by symptoms of autoimmune disorders. Furthermore, autoimmunity may be the first manifestation of PID, frequently preceding infections and the diagnosis of hypogammaglobulinemia, which occurs later on. In this case, distinguishing PID from hypogammaglobulinemia secondary to anti-inflammatory treatment of autoimmunity may become challenging. The aim of this study was to evaluate the diagnostic accuracy of peripheral blood lymphocyte phenotyping in resolving the diagnostic dilemma between primary and secondary hypogammaglobulinemia. Comparison of B and T cell subsets from patients with PID and patients with rheumatic disease, who developed hypogammaglobulinemia as a consequence of anti-inflammatory regimes, revealed significant differences in proportion of naïve B cells, class-switched memory B cells and CD21low B cells among B cells as well as in CD4+ memory T cells and CD4+ T follicular cells among CD4+ T cells. Identified differences in B cell and T cell subsets, and especially in the proportion of class-switched memory B cells and CD4+ T follicular cells, display a considerable diagnostic efficacy in distinguishing PID from secondary hypogammaglobulinemia due to anti-inflammatory regimens for rheumatic disease.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Faranaz Atschekzei
- Correspondence: (F.A.); (G.S.); Tel.: +49-(0)-511-532-3871 (F.A.); +49-(0)-511-532-3799 (G.S.)
| | - Georgios Sogkas
- Correspondence: (F.A.); (G.S.); Tel.: +49-(0)-511-532-3871 (F.A.); +49-(0)-511-532-3799 (G.S.)
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