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Ohno R, Nakamura A. Advancing autoimmune Rheumatic disease treatment: CAR-T Cell Therapies - Evidence, Safety, and future directions. Semin Arthritis Rheum 2024; 67:152479. [PMID: 38810569 DOI: 10.1016/j.semarthrit.2024.152479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 04/20/2024] [Accepted: 05/08/2024] [Indexed: 05/31/2024]
Abstract
INTRODUCTION Despite advancements in managing autoimmune rheumatic diseases (ARDs) with existing treatments, many patients still encounter challenges such as inadequate responses, difficulty in maintaining remission, and side effects. Chimeric Antigen Receptor (CAR) T-cell therapy, originally developed for cancer, has now emerged as a promising option for cases of refractory ARDs. METHODS A search of the literature was conducted to compose a narrative review exploring the current evidence, potential safety, limitations, potential modifications, and future directions of CAR-T cells in ARDs. RESULTS CAR-T cell therapy has been administered to patients with refractory ARDs, including systemic lupus erythematosus, antisynthetase syndrome, and systemic sclerosis, demonstrating significant improvement. Notable responses include enhanced clinical symptoms, reduced serum autoantibody titers, and sustained remissions in disease activity. Preclinical and in vitro studies using both animal and human samples also support the efficacy and elaborate on potential mechanisms of CAR-T cells against antineutrophil cytoplasmic antibody-associated vasculitis and rheumatoid arthritis. While cautious monitoring of adverse events, such as cytokine release syndrome, is crucial, the therapy appears to be highly tolerable. Nevertheless, challenges persist, including cost, durability due to potential CAR-T cell exhaustion, and manufacturing complexities, urging the development of innovative solutions to further enhance CAR-T cell therapy accessibility in ARDs. CONCLUSIONS CAR-T cell therapy for refractory ARDs has demonstrated high effectiveness. While no significant warning signs are currently reported, achieving a balance between therapeutic efficacy and safety is vital in adapting CAR-T cell therapy for ARDs. Moreover, there is significant potential for technological advancements to enhance the delivery of this treatment to patients, thereby ensuring safer and more effective disease control for patients.
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Affiliation(s)
- Ryunosuke Ohno
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, Ontario, Canada; Department of Medicine, Okayama University, Okayama, Japan
| | - Akihiro Nakamura
- Department of Medicine, Division of Rheumatology, Queen's University, Kingston, Ontario, Canada; Translational Institute of Medicine, School of Medicine, Queen's University, Ontario, Canada; Rheumatology Clinic, Kingston Health Science Centre, Kingston, Ontario, Canada.
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2
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Bax C, Aghdasi C, Fiorentino D. Novel therapeutic targets in dermatomyositis. J Dermatol 2024; 51:920-926. [PMID: 38433369 DOI: 10.1111/1346-8138.17170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 03/05/2024]
Abstract
Dermatomyositis (DM) is a systemic autoimmune disease with variable clinical presentations, including inflammation in the skin, muscle, lungs, and/or joints. Current therapeutic strategies in DM typically include broad immunosuppression; however, the currently used modalities are not universally effective and are associated with various side effects, including risk of infection. There is currently a highly unmet need for more effective and well-tolerated therapies. Recent years have witnessed increased interest in pharmaceutical development of new therapeutic strategies for DM. This review aims to summarize the landscape of therapies that are currently being tested or planned in patients with DM. These therapies have a wide variety of immunological targets, including T cells, B cells, inflammatory signaling pathways, type I interferons, autoantibodies, and other targets.
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Affiliation(s)
- Christina Bax
- Department of Dermatology, Stanford University School of Medicine, Redwood City, California, USA
| | - Carmel Aghdasi
- Department of Dermatology, Stanford University School of Medicine, Redwood City, California, USA
| | - David Fiorentino
- Department of Dermatology, Stanford University School of Medicine, Redwood City, California, USA
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Shah K, Leandro M, Cragg M, Kollert F, Schuler F, Klein C, Reddy V. Disrupting B and T-cell collaboration in autoimmune disease: T-cell engagers versus CAR T-cell therapy? Clin Exp Immunol 2024; 217:15-30. [PMID: 38642912 PMCID: PMC11188544 DOI: 10.1093/cei/uxae031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 02/07/2024] [Accepted: 04/18/2024] [Indexed: 04/22/2024] Open
Abstract
B and T cells collaborate to drive autoimmune disease (AID). Historically, B- and T-cell (B-T cell) co-interaction was targeted through different pathways such as alemtuzumab, abatacept, and dapirolizumab with variable impact on B-cell depletion (BCD), whereas the majority of patients with AID including rheumatoid arthritis, systemic lupus erythematosus, multiple sclerosis, and organ transplantation benefit from targeted BCD with anti-CD20 monoclonal antibodies such as rituximab, ocrelizumab, or ofatumumab. Refractory AID is a significant problem for patients with incomplete BCD with a greater frequency of IgD-CD27+ switched memory B cells, CD19+CD20- B cells, and plasma cells that are not directly targeted by anti-CD20 antibodies, whereas most lymphoid tissue plasma cells express CD19. Furthermore, B-T-cell collaboration is predominant in lymphoid tissues and at sites of inflammation such as the joint and kidney, where BCD may be inefficient, due to limited access to key effector cells. In the treatment of cancer, chimeric antigen receptor (CAR) T-cell therapy and T-cell engagers (TCE) that recruit T cells to induce B-cell cytotoxicity have delivered promising results for anti-CD19 CAR T-cell therapies, the CD19 TCE blinatumomab and CD20 TCE such as mosunetuzumab, glofitamab, or epcoritamab. Limited evidence suggests that anti-CD19 CAR T-cell therapy may be effective in managing refractory AID whereas we await evaluation of TCE for use in non-oncological indications. Therefore, here, we discuss the potential mechanistic advantages of novel therapies that rely on T cells as effector cells to disrupt B-T-cell collaboration toward overcoming rituximab-resistant AID.
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Affiliation(s)
| | - Maria Leandro
- Centre for Rheumatology, UCLH, London,UK
- Department of Rheumatology, University College London Hospital, London, UK
| | - Mark Cragg
- University of Southampton Faculty of Medicine, Antibody and Vaccine Group, Centre for Cancer Immunology, University of Southampton, Southampton, UK
| | - Florian Kollert
- Roche Innovation Center Basel, Early Development Immunology, Infectious Diseases & Ophthalmology, Basel, Switzerland
| | - Franz Schuler
- Roche Innovation Center Basel, Roche Pharma Research and Early Development, Schlieren, Switzerland
| | - Christian Klein
- Roche Innovation Center Zurich, Cancer Immunotherapy Discovery, Oncology Discovery & Translational Area, Schlieren, Switzerland
| | - Venkat Reddy
- Centre for Rheumatology, UCLH, London,UK
- Department of Rheumatology, University College London Hospital, London, UK
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Chung JB, Brudno JN, Borie D, Kochenderfer JN. Chimeric antigen receptor T cell therapy for autoimmune disease. Nat Rev Immunol 2024:10.1038/s41577-024-01035-3. [PMID: 38831163 DOI: 10.1038/s41577-024-01035-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/17/2024] [Indexed: 06/05/2024]
Abstract
Infusion of T cells engineered to express chimeric antigen receptors (CARs) that target B cells has proven to be a successful treatment for B cell malignancies. This success inspired the development of CAR T cells to selectively deplete or modulate the aberrant immune responses that underlie autoimmune disease. Promising results are emerging from clinical trials of CAR T cells targeting the B cell protein CD19 in patients with B cell-driven autoimmune diseases. Further approaches are being designed to extend the application and improve safety of CAR T cell therapy in the setting of autoimmunity, including the use of chimeric autoantibody receptors to selectively deplete autoantigen-specific B cells and the use of regulatory T cells engineered to express antigen-specific CARs for targeted immune modulation. Here, we highlight important considerations, such as optimal target cell populations, CAR construct design, acceptable toxicities and potential for lasting immune reset, that will inform the eventual safe adoption of CAR T cell therapy for the treatment of autoimmune diseases.
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Affiliation(s)
| | - Jennifer N Brudno
- Surgery Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | | | - James N Kochenderfer
- Surgery Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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5
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Solé C, Royo M, Sandoval S, Moliné T, Gabaldón A, Cortés-Hernández J. Precise Targeting of Autoantigen-Specific B Cells in Lupus Nephritis with Chimeric Autoantibody Receptor T Cells. Int J Mol Sci 2024; 25:4226. [PMID: 38673811 PMCID: PMC11050013 DOI: 10.3390/ijms25084226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
Despite conventional therapy, lupus nephritis (LN) remains a significant contributor to short- and long-term morbidity and mortality. B cell abnormalities and the production of autoantibodies against nuclear complexes like anti-dsDNA are recognised as key players in the pathogenesis of LN. To address the challenges of chronic immunosuppression associated with current therapies, we have engineered T cells to express chimeric autoantibody receptors (DNA-CAART) for the precise targeting of B cells expressing anti-dsDNA autoantibodies. T cells from LN patients were transduced using six different CAAR vectors based on their antigen specificity, including alpha-actinin, histone-1, heparan sulphate, or C1q. The cytotoxicity, cytokine production, and cell-cell contact of DNA-CAART were thoroughly investigated in co-culture experiments with B cells isolated from patients, both with and without anti-dsDNA positivity. The therapeutic effects were further evaluated using an in vitro immune kidney LN organoid. Among the six proposed DNA-CAART, DNA4 and DNA6 demonstrated superior selectively cytotoxic activity against anti-dsDNA+ B cells. Notably, DNA4-CAART exhibited improvements in organoid morphology, apoptosis, and the inflammatory process in the presence of IFNα-stimulated anti-dsDNA+ B cells. Based on these findings, DNA4-CAART emerge as promising candidates for modulating autoimmunity and represent a novel approach for the treatment of LN.
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Affiliation(s)
- Cristina Solé
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (M.R.); (S.S.); (J.C.-H.)
| | - Maria Royo
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (M.R.); (S.S.); (J.C.-H.)
| | - Sebastian Sandoval
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (M.R.); (S.S.); (J.C.-H.)
| | - Teresa Moliné
- Department of Pathology, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (T.M.); (A.G.)
| | - Alejandra Gabaldón
- Department of Pathology, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (T.M.); (A.G.)
| | - Josefina Cortés-Hernández
- Rheumatology Research Group, Lupus Unit, Hospital Universitari Vall d’Hebron, Institut de Recerca (VHIR), Universitat Autònoma de Barcelona, 08035 Barcelona, Spain; (M.R.); (S.S.); (J.C.-H.)
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Appalaneni R, Achanta N, Mohan C. Chimeric antigen receptor T-cell therapy in rheumatology: B-cell depletion 2.0. Curr Opin Rheumatol 2024; 36:126-133. [PMID: 38099466 DOI: 10.1097/bor.0000000000000994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
PURPOSE OF REVIEW Chimeric antigen receptor T-cell therapy (CAR-T) has revolutionized cancer treatment by harnessing the immune system's power to target malignancies. CD19, a B-cell surface antigen, a key target for CAR-T cell therapy in hematological malignancies, displayed remarkable clinical responses. Recently, there has been a growing interest in exploring the application of CD19 CAR-T cell therapy beyond oncology. The rationale for investigating CD19 CAR-T cells in Rheumatology stems from their ability to selectively target B cells, which play a central pathogenic role through autoantibody-dependent and independent mechanisms. RECENT FINDINGS Preclinical and five completed clinical studies have shown remarkable efficacy and safety in diseases such as systemic lupus erythematosus, antisynthetase syndrome, and systemic sclerosis. It is thus not surprising that 17 active clinical trials exploring CAR-T cells in Rheumatology are in progress. SUMMARY Although CAR-T therapy holds great promise in Rheumatology, many challenges loom. Whether this new way to deplete B-cells is superior to conventional antibody-based B-cell depletion in rheumatic diseases will be closely watched in the coming years.
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Affiliation(s)
- Rohith Appalaneni
- Department Biomedical Engineering, University of Houston, Houston, Texas, USA
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Avouac J, Cauvet A, Orvain C, Boulch M, Tilotta F, Tu L, Thuillet R, Ottaviani M, Guignabert C, Bousso P, Allanore Y. Effects of B Cell Depletion by CD19-Targeted Chimeric Antigen Receptor T Cells in a Murine Model of Systemic Sclerosis. Arthritis Rheumatol 2024; 76:268-278. [PMID: 37610259 DOI: 10.1002/art.42677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 07/22/2023] [Accepted: 08/15/2023] [Indexed: 08/24/2023]
Abstract
OBJECTIVE Our goal was to study the tolerance and efficacy of two B cell depletion strategies, including one with CD19-targeted chimeric antigen receptor (CAR) T cells, in a preclinical model mimicking the severe lung damages observed in systemic sclerosis. METHODS B cell depletion strategies were evaluated in the Fra-2 transgenic (Tg) mouse model. We considered a first group of 16 untreated mice, a second group of 15 mice receiving a single dose of anti-CD20 monoclonal antibody (mAb), and a third group of 8 mice receiving CD19-targeted CAR-T cells in combination with anti-CD20 monoclonal antibody. After six weeks of clinical evaluation, different validated markers of inflammation, lung fibrosis, and pulmonary vascular remodeling were assessed. RESULTS CD19-targeted CAR-T cells infusion in combination with anti-CD20 mAb resulted in a deeper B cell depletion than anti-CD20 mAb alone in the peripheral blood and lesional lungs of Fra-2 Tg mice. CAR-T cell infusion worsened the clinical score and increased mortality in Fra-2 Tg mice. In line with the above findings, CAR-T cell infusion significantly increased lung collagen content, the histological fibrosis score, and right ventricular systolic pressure. CAR-T cells accumulated in lesional lungs and promoted T activation and inflammatory cytokine production. Treatment with anti-CD20 mAb in monotherapy had no impact on lung inflammation-driven fibrosis and pulmonary hypertension. CONCLUSION B cell therapies failed to show efficacy in the Fra2 Tg mice. The exacerbated Fra-2 lung inflammatory burden stimulated accumulation and expansion of activated CD19-targeted CAR-T cells, secondarily inducing T cell activation and systemic inflammation, finally leading to disease worsening.
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Affiliation(s)
- Jérôme Avouac
- INSERM U1016 and UMR8104, Institut Cochin and Université Paris Cité and Hôpital Cochin, AP-HP, Centre - Université Paris Cité, Paris, France
| | - Anne Cauvet
- INSERM U1016 and UMR8104, Institut Cochin, Paris, France
| | - Cindy Orvain
- INSERM U1016 and UMR8104, Institut Cochin, Paris, France
| | - Morgane Boulch
- Institut Pasteur, INSERM U1223, Université Paris Cité, Paris, France
| | - Françoise Tilotta
- URP 2496 Pathologies, Imagerie et Biothérapies Orofaciales, UFR Odontologie, and Plateforme Imagerie du Vivant, Université Paris Cité, Montrouge, France
| | - Ly Tu
- INSERM UMR_S 999, Le Plessis-Robinson, and Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Raphaël Thuillet
- INSERM UMR_S 999, Le Plessis-Robinson, and Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Mina Ottaviani
- INSERM UMR_S 999, Le Plessis-Robinson, and Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Christophe Guignabert
- INSERM UMR_S 999, Le Plessis-Robinson, and Université Paris-Sud, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Philippe Bousso
- Institut Pasteur, INSERM U1223, Université Paris Cité, Paris, France
| | - Yannick Allanore
- INSERM U1016 and UMR8104, Institut Cochin and Université Paris Cité and Hôpital Cochin, AP-HP, Centre - Université Paris Cité, Paris, France
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8
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Boulougoura A, Gendelman H, Surmachevska N, Kyttaris VC. Journal Club: Anti-CD19 Chimeric Antigen Receptor T Cell Therapy for Refractory Systemic Lupus Erythematosus. ACR Open Rheumatol 2023; 5:624-628. [PMID: 37766597 PMCID: PMC10642250 DOI: 10.1002/acr2.11614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Revised: 08/24/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
OBJECTIVE Despite substantial advances in the treatment of systemic lupus erythematosus (SLE), some patients do not respond to the current state-of-the art therapies. This study assessed the tolerability and efficacy of CD19 chimeric antigen receptor (CAR) T cells in a small series of seriously ill and treatment-resistant patients with SLE. METHODS Five patients with SLE (four female patients and one male patient) with a median age of 22 (range 18-24) years, a median disease duration of 4 (range 1-9) years, and active disease (median Systemic Lupus Erythematosus Disease Activity Index score of 16 [range 8-16]) refractory to several immunosuppressive drug treatments were enrolled in a compassionate-use CAR-T cell program. Autologous T cells from patients with SLE were transduced with a lentiviral anti-CD19 CAR vector, expanded, and reinfused at a dose of 1 × 106 CAR T cells per kilogram of body weight into the patients after lymphodepletion with fludarabine and cyclophosphamide. RESULTS CAR T cells expanded in vivo and led to deep depletion of B cells, improvement of clinical symptoms, and normalization of laboratory parameters, including seroconversion of anti-double-stranded DNA antibodies. Remission of SLE according to definition of remission in SLE criteria was achieved in all five patients after 3 months, and the median Systemic Lupus Erythematosus Disease Activity Index score after 3 months was 0 (range 2). Drug-free remission was maintained during longer follow-up (median of 8 [range 12] months after CAR-T cell administration) and even after the reappearance of B cells, which was observed after a mean (±SD) of 110 ± 32 days after CAR-T cell treatment. Reappearing B cells were naive and showed non-class-switched B cell receptors. CAR-T cell treatment was well tolerated, with only mild cytokine release syndrome. CONCLUSION These data suggest that CD19 CAR-T cell therapy was feasible, tolerable, and effective in this small case series of refractory SLE. Nevertheless, larger placebo-controlled trials are warranted.
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Affiliation(s)
- Afroditi Boulougoura
- Beth Israel Deaconess Medical Center and Harvard Medical SchoolBostonMassachusetts
| | - Hannah Gendelman
- Beth Israel Deaconess Medical Center and Harvard Medical SchoolBostonMassachusetts
| | - Natalya Surmachevska
- Beth Israel Deaconess Medical Center and Harvard Medical SchoolBostonMassachusetts
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Slavick A, Furer V, Polachek A, Tzemach R, Elkayam O, Gertel S. Circulating and Synovial Monocytes in Arthritis and Ex-Vivo Model to Evaluate Therapeutic Modulation of Synovial Monocytes. Immunol Invest 2023; 52:832-855. [PMID: 37615125 DOI: 10.1080/08820139.2023.2247438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Monocytes are innate immune cells that play a dual role in protection of host against pathogens and initiation and perpetuation of inflammatory disorders including joint diseases. During inflammation, monocytes migrate from peripheral blood to tissues via chemokine receptors where they produce inflammatory factors. Monocytes are classified into three subsets, namely: classical, intermediate and non-classical, each subset has particular function. Synovium of patients with inflammatory joint diseases, such as rheumatoid arthritis and psoriatic arthritis as well as osteoarthritis, is enriched by monocytes that differ from circulatory ones by distinct subsets distribution. Several therapeutic agents used systemically or locally through intra-articular injections in arthritis management modulate monocyte subsets. This scoping review summarized the existing literature delineating the effect of common therapeutic agents used in arthritis management on circulating and synovial monocytes/macrophages. As certain agents have an inhibitory effect on monocytes, we propose to test their potential to inhibit synovial monocytes via an ex-vivo platform based on cultured synovial fluid mononuclear cells derived from patients with rheumatic diseases. Information obtained from the ex-vivo platform can be applied to explore the therapeutic potential of medications in clinical practice.
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Affiliation(s)
- Adam Slavick
- Department of Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Victoria Furer
- Department of Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ari Polachek
- Department of Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Reut Tzemach
- Department of Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ori Elkayam
- Department of Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Smadar Gertel
- Department of Rheumatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
- Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
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Lim MJ, Jung KH, Kwon SR, Park W. Inflammation is responsible for systemic bone loss in patients with seropositive rheumatoid arthritis treated with rituximab. Korean J Intern Med 2023; 38:912-922. [PMID: 37867140 PMCID: PMC10636556 DOI: 10.3904/kjim.2023.080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/15/2023] [Accepted: 05/23/2023] [Indexed: 10/24/2023] Open
Abstract
BACKGROUND/AIMS We investigated the effect of rituximab on systemic bone metabolism in patients with seropositive rheumatoid arthritis (RA). METHODS Twenty seropositive patients with RA were enrolled and administered one cycle of rituximab. If RA became active for > 6 months after the first rituximab cycle, a second cycle was initiated; otherwise, no additional treatment was administered. Patients were divided into two groups according to the number of rituximab treatment cycles. RESULTS In patients treated with a second cycle, the total hip bone mineral density (BMD) was clinically low, whereas the serum levels of receptor activator of nuclear factor kappa-B ligand (RANKL) were increased at 12 months. BMD in patients treated with one cycle did not change at 12 months, whereas serum RANKL levels decreased at all time points. DAS28 activity improved in both groups from baseline to 4 months; however, from 4 to 12 months, DAS28 activity worsened in the develgroup with the second cycle but remained stable in the group with one cycle. CONCLUSION Systemic inflammation, reflected by increased disease activity, may be responsible for the increase in RANKL levels, which causes systemic bone loss in rituximab-treated patients with RA. Although rituximab affects inflammation, it does not seem to alter systemic bone metabolism in RA.
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Affiliation(s)
- Mie Jin Lim
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, Inha University, Incheon, Korea
| | - Kyong-Hee Jung
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, Inha University, Incheon, Korea
| | - Seong-Ryul Kwon
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, Inha University, Incheon, Korea
| | - Won Park
- Division of Rheumatology, Department of Internal Medicine, College of Medicine, Inha University, Incheon, Korea
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11
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Roeser A, Lazarus AH, Mahévas M. B cells and antibodies in refractory immune thrombocytopenia. Br J Haematol 2023; 203:43-53. [PMID: 37002711 DOI: 10.1111/bjh.18773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 03/11/2023] [Indexed: 04/03/2023]
Abstract
Immune thrombocytopenia (ITP) is an acquired bleeding disorder mediated by pathogenic autoantibodies secreted by plasma cells (PCs) in many patients. In refractory ITP patients, the persistence of splenic and bone marrow autoreactive long-lived PCs (LLPCs) may explain primary failure of rituximab and splenectomy respectively. The reactivation of autoreactive memory B cells generating new autoreactive PCs contributes to relapses after initial response to rituximab. Emerging strategies targeting B cells and PCs aim to prevent the settlement of splenic LLPCs with the combination of anti-BAFF and rituximab, to deplete autoreactive PCs with anti-CD38 antibodies, and to induce deeper B-cell depletion in tissues with novel anti-CD20 monoclonal antibodies and anti-CD19 therapies. Alternative strategies, focused on controlling autoantibody mediated effects, have also been developed, including SYK and BTK inhibitors, complement inhibitors, FcRn blockers and inhibitors of platelet desialylation.
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Affiliation(s)
- Anaïs Roeser
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMS 8253, ATIP-Avenir TeamAI2B, Paris, France
- Service de Médecine Interne, Centre Hospitalier Universitaire Henri-Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
| | - Alan H Lazarus
- Keenan Research Centre for Biomedical Science, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
- Departments of Medicine and Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada
- Innovation and Portfolio Management, Canadian Blood Services, Ottawa, Ontario, Canada
| | - Matthieu Mahévas
- Institut Necker Enfants Malades (INEM), INSERM U1151/CNRS UMS 8253, ATIP-Avenir TeamAI2B, Paris, France
- Service de Médecine Interne, Centre Hospitalier Universitaire Henri-Mondor, Assistance Publique-Hôpitaux de Paris (AP-HP), Université Paris-Est Créteil (UPEC), Créteil, France
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12
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Laurence A. CAR-T cells, the first pharmaceutical cell therapy. Transfus Apher Sci 2023; 62:103754. [PMID: 37423868 DOI: 10.1016/j.transci.2023.103754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
The success of genetically engineered adoptive cell therapies in haematological malignancy in the second decade of the 21st century has surprised both immunologists and oncologists. It challenges much of our understanding of the role of personalised medicine, the divide between cell products and pharmaceutical drugs and the limitations of the immune system to clear cancer. Furthermore, many challenges remain, the therapy is both expensive, hazardous and largely restricted to lymphoproliferative disease.
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13
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Parodis I, Long X, Karlsson MCI, Huang X. B Cell Tolerance and Targeted Therapies in SLE. J Clin Med 2023; 12:6268. [PMID: 37834911 PMCID: PMC10573616 DOI: 10.3390/jcm12196268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/02/2023] [Accepted: 09/22/2023] [Indexed: 10/15/2023] Open
Abstract
Systemic Lupus Erythematosus (SLE) is a chronic systemic autoimmune disease of high clinical and molecular heterogeneity, and a relapsing-remitting pattern. The disease is currently without cure and more prevalent in women. B cell tolerance and production of autoantibodies are critical mechanisms that drive SLE pathophysiology. However, how the balance of the immune system is broken and how the innate and adaptive immune systems are interacting during lupus-specific autoimmune responses are still largely unknown. Here, we review the latest knowledge on B cell development, maturation, and central versus peripheral tolerance in connection to SLE and treatment options. We also discuss the regulation of B cells by conventional T cells, granulocytes, and unconventional T cells, and how effector B cells exert their functions in SLE. We also discuss mechanisms of action of B cell-targeted therapies, as well as possible future directions based on current knowledge of B cell biology.
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Affiliation(s)
- Ioannis Parodis
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, 17177 Stockholm, Sweden;
- Department of Gastroenterology, Dermatology and Rheumatology, Karolinska University Hospital, 17176 Stockholm, Sweden
- Department of Rheumatology, Faculty of Medicine and Health, Örebro University, 70281 Örebro, Sweden
| | - Xuan Long
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha 410011, China;
| | - Mikael C. I. Karlsson
- Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, 17177 Stockholm, Sweden;
| | - Xin Huang
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, Second Xiangya Hospital, Central South University, Changsha 410011, China;
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14
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Chen SF, Yeh FC, Chen CY, Chang HY. Tailored therapeutic decision of rheumatoid arthritis using proteomic strategies: how to start and when to stop? Clin Proteomics 2023; 20:22. [PMID: 37301840 DOI: 10.1186/s12014-023-09411-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 05/23/2023] [Indexed: 06/12/2023] Open
Abstract
Unpredictable treatment responses have been an obstacle for the successful management of rheumatoid arthritis. Although numerous serum proteins have been proposed, there is a lack of integrative survey to compare their relevance in predicting treatment outcomes in rheumatoid arthritis. Also, little is known about their applications in various treatment stages, such as dose modification, drug switching or withdrawal. Here we present an in-depth exploration of the potential usefulness of serum proteins in clinical decision-making and unveil the spectrum of immunopathology underlying responders to different drugs. Patients with robust autoimmunity and inflammation are more responsive to biological treatments and prone to relapse during treatment de-escalation. Moreover, the concentration changes of serum proteins at the beginning of the treatments possibly assist early recognition of treatment responders. With a better understanding of the relationship between the serum proteome and treatment responses, personalized medicine in rheumatoid arthritis will be more achievable in the near future.
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Affiliation(s)
- Shuo-Fu Chen
- Department of Heavy Particles & Radiation Oncology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Fu-Chiang Yeh
- Division of Rheumatology, Immunology and Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Ching-Yun Chen
- Department of Biomedical Sciences and Engineering, Institute of Biomedical Engineering and Nanomedicine, National Central University, Taoyuan, Taiwan
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli, Taiwan
| | - Hui-Yin Chang
- Department of Biomedical Sciences and Engineering, Institute of Systems Biology and Bioinformatics, National Central University, No. 300, Zhongda Rd., Zhongli District, Taoyuan, 320317, Taiwan.
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15
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Huang Y, Ba X, Han L, Wang H, Lin W, Chen Z, Tu S. T peripheral helper cells in autoimmune diseases: What do we know? Front Immunol 2023; 14:1145573. [PMID: 37077922 PMCID: PMC10106688 DOI: 10.3389/fimmu.2023.1145573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/17/2023] [Indexed: 04/05/2023] Open
Abstract
The interactions between T cells and B cells are essential for antibody responses and the development of autoimmune diseases. Recently, a distinct subset of T cells capable of helping B cells was established in synovial fluid, and they were termed peripheral helper T (Tph) cells. PD-1hiCXCR5−CD4+ Tph cells express high levels of CXCL13, which drives the formation of lymphoid aggregates and tertiary lymphoid structures, ultimately facilitating the local production of pathogenic autoantibodies. Tph and T follicular helper cells share some key features but can be distinguished by their surface markers, transcriptional regulation, and migration capability. We summarize recent findings on Tph cells in this review and provide a perspective on their potential roles in a range of autoimmune diseases. More clinical and in-depth mechanistic investigations of Tph cells may help to improve the understanding of pathogenesis and further provide novel therapeutic targets in autoimmune diseases.
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Affiliation(s)
- Yao Huang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medcal College, Huazhong University of Science and Technology, Wuhan, China
| | - Xin Ba
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Liang Han
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hui Wang
- Rehabilitation & Sports Medicine Research Institute of Zhejiang, Zhejiang Provincial People’s Hospital, People’s Hospital of Hangzhou Medical College, Hangzhou, China
| | - Weiji Lin
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhe Chen
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medcal College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Zhe Chen, ; Shenghao Tu,
| | - Shenghao Tu
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medcal College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Zhe Chen, ; Shenghao Tu,
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16
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Mehta B, Goodman S, DiCarlo E, Jannat-Khah D, Gibbons JAB, Otero M, Donlin L, Pannellini T, Robinson WH, Sculco P, Figgie M, Rodriguez J, Kirschmann JM, Thompson J, Slater D, Frezza D, Xu Z, Wang F, Orange DE. Machine learning identification of thresholds to discriminate osteoarthritis and rheumatoid arthritis synovial inflammation. Arthritis Res Ther 2023; 25:31. [PMID: 36864474 PMCID: PMC9979511 DOI: 10.1186/s13075-023-03008-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 02/06/2023] [Indexed: 03/04/2023] Open
Abstract
BACKGROUND We sought to identify features that distinguish osteoarthritis (OA) and rheumatoid arthritis (RA) hematoxylin and eosin (H&E)-stained synovial tissue samples. METHODS We compared fourteen pathologist-scored histology features and computer vision-quantified cell density (147 OA and 60 RA patients) in H&E-stained synovial tissue samples from total knee replacement (TKR) explants. A random forest model was trained using disease state (OA vs RA) as a classifier and histology features and/or computer vision-quantified cell density as inputs. RESULTS Synovium from OA patients had increased mast cells and fibrosis (p < 0.001), while synovium from RA patients exhibited increased lymphocytic inflammation, lining hyperplasia, neutrophils, detritus, plasma cells, binucleate plasma cells, sub-lining giant cells, fibrin (all p < 0.001), Russell bodies (p = 0.019), and synovial lining giant cells (p = 0.003). Fourteen pathologist-scored features allowed for discrimination between OA and RA, producing a micro-averaged area under the receiver operating curve (micro-AUC) of 0.85±0.06. This discriminatory ability was comparable to that of computer vision cell density alone (micro-AUC = 0.87±0.04). Combining the pathologist scores with the cell density metric improved the discriminatory power of the model (micro-AUC = 0.92±0.06). The optimal cell density threshold to distinguish OA from RA synovium was 3400 cells/mm2, which yielded a sensitivity of 0.82 and specificity of 0.82. CONCLUSIONS H&E-stained images of TKR explant synovium can be correctly classified as OA or RA in 82% of samples. Cell density greater than 3400 cells/mm2 and the presence of mast cells and fibrosis are the most important features for making this distinction.
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Affiliation(s)
- Bella Mehta
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA.
- Weill Cornell Medicine, New York, NY, USA.
| | - Susan Goodman
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | - Edward DiCarlo
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | - Deanna Jannat-Khah
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | - J Alex B Gibbons
- Columbia University Vagelos College of Physicians and Surgeons, New York, NY, USA
| | - Miguel Otero
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | - Laura Donlin
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | | | | | - Peter Sculco
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | - Mark Figgie
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | - Jose Rodriguez
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- Weill Cornell Medicine, New York, NY, USA
| | | | | | | | | | | | - Fei Wang
- Weill Cornell Medicine, New York, NY, USA
| | - Dana E Orange
- Hospital for Special Surgery, 535 E 70th Street, New York, NY, 10009, USA
- The Rockefeller University, New York, NY, USA
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17
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Obinutuzumab Effectively Depletes Key B-cell Subsets in Blood and Tissue in End-stage Renal Disease Patients. Transplant Direct 2023; 9:e1436. [PMID: 36700064 PMCID: PMC9851678 DOI: 10.1097/txd.0000000000001436] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 11/18/2022] [Accepted: 11/28/2022] [Indexed: 01/27/2023] Open
Abstract
The THEORY study evaluated the effects of single and multiple doses of obinutuzumab, a type 2 anti-CD20 antibody that induces antibody-dependent cell-mediated cytotoxicity and direct cell death, in combination with standard of care in patients with end-stage renal disease. Methods We measured B-cell subsets and protein biomarkers of B-cell activity in peripheral blood before and after obinutuzumab administration in THEORY patients, and B-cell subsets in lymph nodes in THEORY patients and an untreated comparator cohort. Results Obinutuzumab treatment resulted in a rapid loss of B-cell subsets (including naive B, memory B, double-negative, immunoglobulin D+ transitional cells, and plasmablasts/plasma cells) in peripheral blood and tissue. This loss of B cells was associated with increased B cell-activating factor and decreased CXCL13 levels in circulation. Conclusions Our data further characterize the mechanistic profile of obinutuzumab and suggest that it may elicit greater efficacy in indications such as lupus where B-cell targeting therapeutics are limited by the resistance of pathogenic tissue B cells to depletion.
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18
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Robinson JI, Md Yusof MY, Davies V, Wild D, Morgan M, Taylor JC, El-Sherbiny Y, Morris DL, Liu L, Rawstron AC, Buch MH, Plant D, Cordell HJ, Isaacs JD, Bruce IN, Emery P, Barton A, Vyse TJ, Barrett JH, Vital EM, Morgan AW. Comprehensive genetic and functional analyses of Fc gamma receptors influence on response to rituximab therapy for autoimmunity. EBioMedicine 2022; 86:104343. [PMID: 36371989 PMCID: PMC9663864 DOI: 10.1016/j.ebiom.2022.104343] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 10/07/2022] [Accepted: 10/18/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Rituximab is widely used to treat autoimmunity but clinical response varies. Efficacy is determined by the efficiency of B-cell depletion, which may depend on various Fc gamma receptor (FcγR)-dependent mechanisms. Study of FcγR is challenging due to the complexity of the FCGR genetic locus. We sought to assess the effect of FCGR variants on clinical response, B-cell depletion and NK-cell-mediated killing in rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). METHODS A longitudinal cohort study was conducted in 835 patients [RA = 573; SLE = 262]. Clinical outcome measures were two-component disease activity score in 28-joints (2C-DAS28CRP) for RA and British Isles Lupus Assessment Group (BILAG)-2004 major clinical response (MCR) for SLE at 6 months. B-cells were evaluated by highly-sensitive flow cytometry. Single nucleotide polymorphism and copy number variation for genes encoding five FcγRs were measured using multiplex ligation-dependent probe amplification. Ex vivo studies assessed NK-cell antibody-dependent cellular cytotoxicity (ADCC) and FcγR expression. FINDINGS In RA, carriage of FCGR3A-158V and increased FCGR3A-158V copies were associated with greater 2C-DAS28CRP response (adjusted for baseline 2C-DAS28CRP). In SLE, MCR was associated with increased FCGR3A-158V, OR 1.64 (95% CI 1.12-2.41) and FCGR2C-ORF OR 1.93 (95% CI 1.09-3.40) copies. 236/413 (57%) patients with B-cell data achieved complete depletion. Homozygosity for FCGR3A-158V and increased FCGR3A-158V copies were associated with complete depletion in combined analyses. FCGR3A genotype was associated with rituximab-induced ADCC, and increased NK-cell FcγRIIIa expression was associated with improved clinical response and depletion in vivo. Furthermore, disease status and concomitant therapies impacted both NK-cell FcγRIIIa expression and ADCC. INTERPRETATION FcγRIIIa is the major low affinity FcγR associated with rituximab response. Increased copies of the FCGR3A-158V allele (higher affinity for IgG1), influences clinical and biological responses to rituximab in autoimmunity. Enhancing FcγR-effector functions could improve the next generation of CD20-depleting therapies and genotyping may stratify patients for optimal treatment protocols. FUNDING Medical Research Council, National Institute for Health and Care Research, Versus Arthritis.
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Affiliation(s)
- James I Robinson
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK
| | - Md Yuzaiful Md Yusof
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK
| | - Vinny Davies
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; School of Mathematics and Statistics, University of Glasgow, UK
| | - Dawn Wild
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK
| | - Michael Morgan
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Cancer Research UK Cambridge Institute, University of Cambridge, UK
| | - John C Taylor
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK
| | - Yasser El-Sherbiny
- Department of Biosciences, School of Science and Technology, Nottingham Trent University, UK; Department of Clinical Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - David L Morris
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, King's College London, UK
| | - Lu Liu
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, King's College London, UK
| | - Andy C Rawstron
- Haematological Malignancy Diagnostic Service, Leeds Teaching Hospitals NHS Trust, UK
| | - Maya H Buch
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; Versus Arthritis Centre for Genetics and Genomics, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, The University of Manchester and NIHR Manchester BRC, Manchester University NHS Foundation Trust, UK
| | - Darren Plant
- Versus Arthritis Centre for Genetics and Genomics, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, The University of Manchester and NIHR Manchester BRC, Manchester University NHS Foundation Trust, UK
| | | | - John D Isaacs
- Translational and Clinical Research Institute, Newcastle University and Musculoskeletal Unit, Newcastle upon Tyne Hospitals NHS Foundation Trust, UK
| | - Ian N Bruce
- Versus Arthritis Centre for Genetics and Genomics, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, The University of Manchester and NIHR Manchester BRC, Manchester University NHS Foundation Trust, UK
| | - Paul Emery
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; NIHR Leeds Medtech and In vitro Diagnostics Co-operative, Leeds Teaching Hospitals NHS Trust, UK
| | - Anne Barton
- Versus Arthritis Centre for Genetics and Genomics, Division of Musculoskeletal and Dermatological Sciences, School of Biological Sciences, The University of Manchester and NIHR Manchester BRC, Manchester University NHS Foundation Trust, UK
| | - Timothy J Vyse
- Department of Medical and Molecular Genetics, Faculty of Life Sciences and Medicine, King's College London, UK
| | - Jennifer H Barrett
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK
| | - Edward M Vital
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK
| | - Ann W Morgan
- School of Medicine, University of Leeds and NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, UK; NIHR Leeds Medtech and In vitro Diagnostics Co-operative, Leeds Teaching Hospitals NHS Trust, UK.
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19
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Sun Y, Yuan Y, Zhang B, Zhang X. CARs: a new approach for the treatment of autoimmune diseases. SCIENCE CHINA. LIFE SCIENCES 2022; 66:711-728. [PMID: 36346550 PMCID: PMC9641699 DOI: 10.1007/s11427-022-2212-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 07/28/2022] [Indexed: 11/11/2022]
Abstract
The development of chimeric antigen receptor (CAR)-based therapeutic interventions represented a breakthrough in cancer treatment. Following the success of the CAR-T-cell strategy, this novel therapeutic approach has been applied to other diseases, including autoimmune diseases. Using CAR-T cells to deplete pathological immune cells (i.e., B cells, autoreactive B or T cells, and accessory antigen-presenting cells (APCs)) has resulted in favorable outcomes in diseases characterized by excessive autoantibody levels or hyperactive lymphocyte cell numbers. The importance of immunosuppressive regulatory T cells (Tregs) in restoring immune tolerance has been well established, and CAR-Tregs have shown promising therapeutic potential in treating autoimmune diseases. Moreover, prior experience from the cancer field has provided sufficient paradigms for understanding how to optimize the structure and function of CARs to improve their function, persistence, stability and safety. In this review, we describe the potential application of CAR-T cells and CAR-Tregs in the treatment of autoimmune diseases, and we summarize the currently available strategies of gene editing and synthetic biological tools that have improved the practical application of CAR-based therapies.
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Affiliation(s)
- Yeting Sun
- grid.506261.60000 0001 0706 7839Graduate School of Peking Union Medical College; Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine; State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 China
| | - Yeshuang Yuan
- grid.506261.60000 0001 0706 7839Graduate School of Peking Union Medical College; Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine; State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 China
| | - Bo Zhang
- grid.506261.60000 0001 0706 7839State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, 100730 China
| | - Xuan Zhang
- grid.506261.60000 0001 0706 7839Department of Rheumatology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Clinical Immunology Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730 China
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20
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Delgado-Fernández M, García-Gemar GM, Fuentes-López A, Muñoz-Pérez MI, Oyonarte-Gómez S, Ruíz-García I, Martín-Carmona J, Sanz-Cánovas J, Castaño-Carracedo MÁ, Reguera-Iglesias JM, Ruíz-Mesa JD. Treatment of COVID-19 with convalescent plasma in patients with humoral immunodeficiency - Three consecutive cases and review of the literature. ENFERMEDADES INFECCIOSAS Y MICROBIOLOGIA CLINICA (ENGLISH ED.) 2022; 40:507-516. [PMID: 36336380 PMCID: PMC9631336 DOI: 10.1016/j.eimce.2021.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/20/2021] [Indexed: 06/16/2023]
Abstract
Patients lacking humoral response have been suggested to develop a less severe COVID-19, but there are some reports with a prolonged, relapsing or deadly course. From April 2020, there is growing evidence on the benefits of COVID-19 convalescent plasma (CCP) for patients with humoral immunodeficiency. Most of them had a congenital primary immunodeficiency or were on treatment with anti CD20 antibodies. We report on three patients treated in our hospital and review thirty-one more cases described in the literature. All patients but three resolved clinical picture with CCP. A dose from 200 to 800ml was enough in most cases. Antibody levels after transfusion were negative or low, suggesting consumption of them in SARS-CoV-2 neutralization. These patients have a protracted clinical course shortened after CCP. CCP could be helpful for patients with humoral immunodeficiency. It avoid relapses and chronification. CCP should be transfused as early as possible in patients with COVID-19 and humoral immunodeficiency.
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Affiliation(s)
| | | | - Ana Fuentes-López
- Microbiology Department, Hospital Universitario Clínico San Cecilio, Granada, Spain
| | | | - Salvador Oyonarte-Gómez
- Director of "Red andaluza de Medicina transfusional, tejidos y células" del Sistema Sanitario Público de Andalucía, Spain
| | | | | | - Jaime Sanz-Cánovas
- Internal Medicine Department, Hospital Regional Universitario de Málaga, Spain
| | | | | | - Juan Diego Ruíz-Mesa
- Infectious Diseases Department, Hospital Regional Universitario de Málaga, Spain
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21
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Mackensen A, Müller F, Mougiakakos D, Böltz S, Wilhelm A, Aigner M, Völkl S, Simon D, Kleyer A, Munoz L, Kretschmann S, Kharboutli S, Gary R, Reimann H, Rösler W, Uderhardt S, Bang H, Herrmann M, Ekici AB, Buettner C, Habenicht KM, Winkler TH, Krönke G, Schett G. Anti-CD19 CAR T cell therapy for refractory systemic lupus erythematosus. Nat Med 2022; 28:2124-2132. [PMID: 36109639 DOI: 10.1038/s41591-022-02017-5] [Citation(s) in RCA: 287] [Impact Index Per Article: 143.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 08/18/2022] [Indexed: 02/06/2023]
Abstract
Systemic lupus erythematosus (SLE) is a life-threatening autoimmune disease characterized by adaptive immune system activation, formation of double-stranded DNA autoantibodies and organ inflammation. Five patients with SLE (four women and one man) with a median (range) age of 22 (6) years, median (range) disease duration of 4 (8) years and active disease (median (range) SLE disease activity index Systemic Lupus Erythematosus Disease Activity Index: 16 (8)) refractory to several immunosuppressive drug treatments were enrolled in a compassionate-use chimeric antigen receptor (CAR) T cell program. Autologous T cells from patients with SLE were transduced with a lentiviral anti-CD19 CAR vector, expanded and reinfused at a dose of 1 × 106 CAR T cells per kg body weight into the patients after lymphodepletion with fludarabine and cyclophosphamide. CAR T cells expanded in vivo, led to deep depletion of B cells, improvement of clinical symptoms and normalization of laboratory parameters including seroconversion of anti-double-stranded DNA antibodies. Remission of SLE according to DORIS criteria was achieved in all five patients after 3 months and the median (range) Systemic Lupus Erythematosus Disease Activity Index score after 3 months was 0 (2). Drug-free remission was maintained during longer follow-up (median (range) of 8 (12) months after CAR T cell administration) and even after the reappearance of B cells, which was observed after a mean (±s.d.) of 110 ± 32 d after CAR T cell treatment. Reappearing B cells were naïve and showed non-class-switched B cell receptors. CAR T cell treatment was well tolerated with only mild cytokine-release syndrome. These data suggest that CD19 CAR T cell transfer is feasible, tolerable and highly effective in SLE.
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Affiliation(s)
- Andreas Mackensen
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Fabian Müller
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Dimitrios Mougiakakos
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Hematology and Oncology, Otto-von-Guericke University Magdeburg (OVGU), Magdeburg, Germany
| | - Sebastian Böltz
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Artur Wilhelm
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Michael Aigner
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Simon Völkl
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - David Simon
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Arnd Kleyer
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Luis Munoz
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Sascha Kretschmann
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Soraya Kharboutli
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Regina Gary
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Hannah Reimann
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Wolf Rösler
- Department of Internal Medicine 5-Hematology and Oncology, Friedrich Alexander University Erlangen-Nuremberg (FAU) and Universitätsklinikum Erlangen, Erlangen, Germany.,Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Stefan Uderhardt
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | | | - Martin Herrmann
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Arif Bülent Ekici
- Institute of Human Genetics, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Christian Buettner
- Institute of Human Genetics, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | | | - Thomas H Winkler
- Division of Genetics, Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - Gerhard Krönke
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany
| | - Georg Schett
- Deutsches Zentrum für Immuntherapie (DZI), Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany. .,Department of Internal Medicine 3-Rheumatology and Immunology, Friedrich Alexander University Erlangen-Nuremberg and Universitätsklinikum Erlangen, Erlangen, Germany.
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22
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Ketfi A, Tahiat A, Djouadi C, Djenouhat K, Ben Saad H. Lung function data of North-African patients with rheumatoid arthritis: a comparative study between anti-citrullinated peptides antibodies positive and negative patients. LA TUNISIE MEDICALE 2022; 100:626-641. [PMID: 36571731 PMCID: PMC9940725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Although lung damages are among the leading causes of death from Rheumatoid Arthritis (RA), few studies have assessed the spirometric and plethysmographic data and profile of patients with RA, particularly those with Anti-Citrullinated Peptides Antibodies Positive (ACPA+). AIM To compare the spirometric and plethysmographic data and profile of RA patients ACPA+ and ACPA-. METHODS This comparative pilot study was performed over a two-year period (2018-2019) in Algiers (Algeria). The study included two groups of RA non-smoker patients: 26 ACPA+ and 33 ACPA-.RA was diagnosed according to the ACR/EULAR 2010 RA classification criteria. Spirometry and plethysmography were performed. The following definitions were applied: Obstructive Ventilatory Impairment (OVI): FEV1/FVC z-score < -1.645; Restrictive Ventilatory Impairment (RVI): Total Lung Capacity (TLC) z-score< -1.645; Mixed Ventilatory Impairment (MVI): FEV1/FVC z-score < -1.645 and TLC z-score < -1.645; lung- hyperinflation: residual volume z-score > +1.645; Nonspecific Ventilatory Impairment (NSVI): FEV1z-score < -1.645, FVC z-score < -1.645, FEV1 /FVC z-score ≥ -1.645, and TLC z-score ≥ -1.645. RESULTS The ACPA-group was older than the ACPA+ one by ~ 10 years (63±13 vs. 53±12 years, p=0.0025; respectively). The ACPA+ and ACPA-groups included comparative percentages of patients having RVI, MVI, and NSVI (23.1 vs. 45.5%, p=0.0745; 3.8 vs. 3.0%, p=0.8654; and 7.7 vs. 6.1%, p=0.8086; respectively). Compared to the ACPA- group, the ACPA+ group included a higher percentage of patients having OVI and lung-hyperinflation (9.1 vs. 38.5%, p=0.0069; 9.1 vs. 42.3%, p=0.0029; respectively). CONCLUSION Compared to the ACPA-group, the ACPA+ one had more lung-hyperinflation and OVI, and comparative percentages of RVI, MVI, and NSVI.
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Affiliation(s)
- Abdelbassat Ketfi
- 1. Department of Pneumology, Phthisiology and Allergology. Rouiba Hospital, Algiers. University of Algiers 1, Faculty of Medicine. Algiers. Algeria.
| | - Azzedine Tahiat
- 2. Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria.
| | - Cherifa Djouadi
- 3. Rheumatology consultation, local public health establishment of Reghaia, Algiers, Algeria.
| | - Kamel Djenouhat
- 2. Department of Medical Biology, Rouiba Hospital, Algiers Faculty of Medicine, University of Algiers 1, Algiers, Algeria.
| | - Helmi Ben Saad
- 4. Research laboratory “Heart failure, LR12SP09”, Hospital Farhat HACHED of Sousse, Faculty of Medicine of Sousse, University of Sousse
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23
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Chawla S, Jindal AK, Arora K, Tyagi R, Dhaliwal M, Rawat A. T Cell Abnormalities in X-Linked Agammaglobulinaemia: an Updated Review. Clin Rev Allergy Immunol 2022:10.1007/s12016-022-08949-7. [PMID: 35708830 PMCID: PMC9201264 DOI: 10.1007/s12016-022-08949-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2022] [Indexed: 12/03/2022]
Abstract
X-linked agammaglobulinaemia (XLA) is a primary immunodeficiency (PID) resulting from a defect in the B cell development. It has conventionally been thought that T cells play a major role in the development and function of the B cell compartment. However, it has also been shown that B cells and T cells undergo bidirectional interactions and B cells also influence the structure and function of the T cell compartment. Patients with XLA offer a unique opportunity to understand the effect of absent B cells on the T cell compartment. In this review, we provide an update on abnormalities in the T cell compartment in patients with XLA. Studies have shown impaired memory T cells, follicular helper T cells, T regulatory cells and T helper 17 in patients with XLA. In addition, these patients have also been reported to have abnormal delayed cell-mediated immune responses and vaccine-specific T cell-mediated immune responses; defective T helper cell polarization and impaired T cell receptor diversity. At present, the clinical significance of these T cell abnormalities has not been studied in detail. However, these abnormalities may result in an increased risk of viral infections, autoimmunity, autoinflammation and possibly chronic lung disease. Abnormal response to SARS-Cov2 vaccine in patients with XLA and prolonged persistence of SARS-Cov2 virus in the respiratory tract of these patients may be related to abnormalities in the T cell compartment.
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Affiliation(s)
- Sanchi Chawla
- Allergy Immunology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Ankur Kumar Jindal
- Allergy Immunology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India.
| | - Kanika Arora
- Allergy Immunology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Rahul Tyagi
- Allergy Immunology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Manpreet Dhaliwal
- Allergy Immunology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
| | - Amit Rawat
- Allergy Immunology Unit, Department of Paediatrics, Advanced Paediatrics Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, 160012, India
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24
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Role of tertiary lymphoid organs in the regulation of immune responses in the periphery. Cell Mol Life Sci 2022; 79:359. [PMID: 35689679 PMCID: PMC9188279 DOI: 10.1007/s00018-022-04388-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 04/28/2022] [Accepted: 05/20/2022] [Indexed: 12/12/2022]
Abstract
Tertiary lymphoid organs (TLOs) are collections of immune cells resembling secondary lymphoid organs (SLOs) that form in peripheral, non-lymphoid tissues in response to local chronic inflammation. While their formation mimics embryologic lymphoid organogenesis, TLOs form after birth at ectopic sites in response to local inflammation resulting in their ability to mount diverse immune responses. The structure of TLOs can vary from clusters of B and T lymphocytes to highly organized structures with B and T lymphocyte compartments, germinal centers, and lymphatic vessels (LVs) and high endothelial venules (HEVs), allowing them to generate robust immune responses at sites of tissue injury. Although our understanding of the formation and function of these structures has improved greatly over the last 30 years, their role as mediators of protective or pathologic immune responses in certain chronic inflammatory diseases remains enigmatic and may differ based on the local tissue microenvironment in which they form. In this review, we highlight the role of TLOs in the regulation of immune responses in chronic infection, chronic inflammatory and autoimmune diseases, cancer, and solid organ transplantation.
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25
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Kmeid M, Aldyab M, Brar R, Lee H. Histologic Findings and Tissue B-Cell Depletion in Endoscopic Mucosal Biopsy Specimens of the Gastrointestinal Tract After Treatment With Rituximab. Am J Clin Pathol 2022; 157:353-364. [PMID: 34520518 DOI: 10.1093/ajcp/aqab133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 07/07/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVES Rituximab (RTX) is associated with variable adverse gastrointestinal (GI) events. However, the histologic correlate in affected patients is not well defined. METHODS Patients (n = 93) who had received RTX and undergone endoscopic biopsies were identified. CD20 and PAX5 immunostains were performed on biopsy specimens showing inflammatory pathology (group A, 36 patients) and 35 of 57 noninflammatory biopsies (group B) that were taken within 1 year from the last RTX infusion. Histologic findings were correlated with tissue B-cell depletion (CD20/PAX5-/-). RESULTS B cells were depleted in 12 (33%) of 36 group A biopsy specimens. After excluding biopsies taken more than 1 year from the last RTX infusion, the frequencies of tissue B-cell depletion were similar between group A (12/26; 46.2%) and group B (17/35; 48.6%) (P > .05). Also, the frequencies of inflammatory pathology were not statistically different whether B cells were depleted or not (P > .05). In group A with tissue B-cell depletion (n = 12), causality was indicated in two (17%) cases showing lymphocytic colitis pattern of injury (LCPI). CONCLUSIONS In RTX-treated patients, tissue B-cell depletion does not appear to be the main cause of inflammatory pathology in the GI tract. A minor subset, however, develops histologic evidence of potential RTX-induced effect, notably in the form of LCPI.
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Affiliation(s)
- Michel Kmeid
- Department of Pathology and Laboratory Medicine, Albany Medical Center, Albany, NY, USA
| | - Mahmoud Aldyab
- Department of Pathology and Laboratory Medicine, Albany Medical Center, Albany, NY, USA
| | - Rupinder Brar
- Department of Pathology and Laboratory Medicine, Albany Medical Center, Albany, NY, USA
| | - Hwajeong Lee
- Department of Pathology and Laboratory Medicine, Albany Medical Center, Albany, NY, USA
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26
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Papadimitriou TI, van Caam A, van der Kraan PM, Thurlings RM. Therapeutic Options for Systemic Sclerosis: Current and Future Perspectives in Tackling Immune-Mediated Fibrosis. Biomedicines 2022; 10:biomedicines10020316. [PMID: 35203525 PMCID: PMC8869277 DOI: 10.3390/biomedicines10020316] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/21/2022] [Accepted: 01/26/2022] [Indexed: 02/01/2023] Open
Abstract
Systemic sclerosis (SSc) is a severe auto-immune, rheumatic disease, characterized by excessive fibrosis of the skin and visceral organs. SSc is accompanied by high morbidity and mortality rates, and unfortunately, few disease-modifying therapies are currently available. Inflammation, vasculopathy, and fibrosis are the key hallmarks of SSc pathology. In this narrative review, we examine the relationship between inflammation and fibrosis and provide an overview of the efficacy of current and novel treatment options in diminishing SSc-related fibrosis based on selected clinical trials. To do this, we first discuss inflammatory pathways of both the innate and acquired immune systems that are associated with SSc pathophysiology. Secondly, we review evidence supporting the use of first-line therapies in SSc patients. In addition, T cell-, B cell-, and cytokine-specific treatments that have been utilized in SSc are explored. Finally, the potential effectiveness of tyrosine kinase inhibitors and other novel therapeutic approaches in reducing fibrosis is highlighted.
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27
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Lee YH, Sato Y, Saito M, Fukuma S, Saito M, Yamamoto S, Komatsuda A, Fujiyama N, Satoh S, Lee SH, Boor P, Habuchi T, Floege J, Yanagita M. Advanced Tertiary Lymphoid Tissues in Protocol Biopsies are Associated with Progressive Graft Dysfunction in Kidney Transplant Recipients. J Am Soc Nephrol 2022; 33:186-200. [PMID: 34725107 PMCID: PMC8763171 DOI: 10.1681/asn.2021050715] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 09/13/2021] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND Tertiary lymphoid tissues (TLTs) are ectopic lymphoid tissues found in chronically inflamed organs. Although studies have documented TLT formation in transplanted kidneys, the clinical relevance of these TLTs remains controversial. We examined the effects of TLTs on future graft function using our histologic TLT maturity stages and the association between TLTs and Banff pathologic scores. We also analyzed the risk factors for the development of TLTs. METHODS Serial protocol biopsy samples (0 hour, 1, 6, and 12 months) without rejection were retrospectively analyzed from 214 patients who underwent living donor kidney transplantation. TLTs were defined as lymphocyte aggregates with signs of proliferation and their stages were determined by the absence (stage I) or presence (stage II) of follicular dendritic cells. RESULTS Only 4% of patients exhibited TLTs at the 0-hour biopsy. Prevalence increased to almost 50% at the 1-month biopsy, and then slightly further for 12 months. The proportion of advanced stage II TLTs increased gradually, reaching 19% at the 12-month biopsy. Presence of stage II TLTs was associated with higher risk of renal function decline after transplantation compared with patients with no TLT or stage I TLTs. Stage II TLTs were associated with more severe tubulitis and interstitial fibrosis/tubular atrophy at 12 months and predicted poorer graft function independently from the degree of interstitial inflammation. Pretransplantation rituximab treatment dramatically attenuated the development of stage II TLTs. CONCLUSIONS TLTs are commonly found in clinically stable transplanted kidneys. Advanced stage II TLTs are associated with progressive graft dysfunction, independent of interstitial inflammation.
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Affiliation(s)
- Yu Ho Lee
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan,Division of Nephrology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Yuki Sato
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan,Medical Innovation Center TMK Project, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Mitsuru Saito
- Department of Urology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Shingo Fukuma
- Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masaya Saito
- Department of Hematology, Nephrology, and Rheumatology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Shigenori Yamamoto
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan,Medical Innovation Center TMK Project, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Atsushi Komatsuda
- Department of Hematology, Nephrology, and Rheumatology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Nobuhiro Fujiyama
- Center for Kidney Disease and Transplantation, Akita University Hospital, Akita, Japan
| | - Shigeru Satoh
- Center for Kidney Disease and Transplantation, Akita University Hospital, Akita, Japan
| | - Sang-Ho Lee
- Division of Nephrology, Department of Internal Medicine, Kyung Hee University, Seoul, Republic of Korea
| | - Peter Boor
- Institute of Pathology, RWTH University of Aachen, Germany, Aachen, Germany,Division of Nephrology, RWTH University of Aachen, Germany, Aachen, Germany,Electron Microscopy Facility, RWTH University of Aachen, Aachen, Germany
| | - Tomonori Habuchi
- Department of Urology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Jürgen Floege
- Division of Nephrology, RWTH University of Aachen, Germany, Aachen, Germany
| | - Motoko Yanagita
- Department of Nephrology, Graduate School of Medicine, Kyoto University, Kyoto, Japan,Institute for the Advanced Study of Human Biology (ASHBi), Kyoto University, Kyoto, Japan
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28
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Zhao J, Guo S, Schrodi SJ, He D. Molecular and Cellular Heterogeneity in Rheumatoid Arthritis: Mechanisms and Clinical Implications. Front Immunol 2021; 12:790122. [PMID: 34899757 PMCID: PMC8660630 DOI: 10.3389/fimmu.2021.790122] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/08/2021] [Indexed: 12/20/2022] Open
Abstract
Rheumatoid arthritis is an autoimmune disease that exhibits significant clinical heterogeneity. There are various treatments for rheumatoid arthritis, including disease-modifying anti-rheumatic drugs (DMARDs), glucocorticoids, non-steroidal anti-inflammatory drugs (NSAIDs), and inflammatory cytokine inhibitors (ICI), typically associated with differentiated clinical effects and characteristics. Personalized responsiveness is observed to the standard treatment due to the pathophysiological heterogeneity in rheumatoid arthritis, resulting in an overall poor prognosis. Understanding the role of individual variation in cellular and molecular mechanisms related to rheumatoid arthritis will considerably improve clinical care and patient outcomes. In this review, we discuss the source of pathophysiological heterogeneity derived from genetic, molecular, and cellular heterogeneity and their possible impact on precision medicine and personalized treatment of rheumatoid arthritis. We provide emphasized description of the heterogeneity derived from mast cells, monocyte cell, macrophage fibroblast-like synoviocytes and, interactions within immune cells and with inflammatory cytokines, as well as the potential as a new therapeutic target to develop a novel treatment approach. Finally, we summarize the latest clinical trials of treatment options for rheumatoid arthritis and provide a suggestive framework for implementing preclinical and clinical experimental results into clinical practice.
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Affiliation(s)
- Jianan Zhao
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Shicheng Guo
- Computation and Informatics in Biology and Medicine, University of Wisconsin-Madison, Madison, WI, United States
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Steven J. Schrodi
- Computation and Informatics in Biology and Medicine, University of Wisconsin-Madison, Madison, WI, United States
- Department of Medical Genetics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, United States
| | - Dongyi He
- Guanghua Clinical Medical College, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Department of Rheumatology, Shanghai Guanghua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- Arthritis Institute of Integrated Traditional and Western Medicine, Shanghai Chinese Medicine Research Institute, Shanghai, China
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29
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Ringheim GE, Wampole M, Oberoi K. Bruton's Tyrosine Kinase (BTK) Inhibitors and Autoimmune Diseases: Making Sense of BTK Inhibitor Specificity Profiles and Recent Clinical Trial Successes and Failures. Front Immunol 2021; 12:662223. [PMID: 34803999 PMCID: PMC8595937 DOI: 10.3389/fimmu.2021.662223] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 10/11/2021] [Indexed: 11/13/2022] Open
Abstract
Clinical development of BTK kinase inhibitors for treating autoimmune diseases has lagged behind development of these drugs for treating cancers, due in part from concerns over the lack of selectivity and associated toxicity profiles of first generation drug candidates when used in the long term treatment of immune mediated diseases. Second generation BTK inhibitors have made great strides in limiting off-target activities for distantly related kinases, though they have had variable success at limiting cross-reactivity within the more closely related TEC family of kinases. We investigated the BTK specificity and toxicity profiles, drug properties, disease associated signaling pathways, clinical indications, and trial successes and failures for the 13 BTK inhibitor drug candidates tested in phase 2 or higher clinical trials representing 7 autoimmune and 2 inflammatory immune-mediated diseases. We focused on rheumatoid arthritis (RA), multiple sclerosis (MS), and systemic lupus erythematosus (SLE) where the majority of BTK nonclinical and clinical studies have been reported, with additional information for pemphigus vulgaris (PV), Sjogren’s disease (SJ), chronic spontaneous urticaria (CSU), graft versus host disease (GVHD), and asthma included where available. While improved BTK selectivity versus kinases outside the TEC family improved clinical toxicity profiles, less profile distinction was evident within the TEC family. Analysis of genetic associations of RA, MS, and SLE biomarkers with TEC family members revealed that BTK and TEC family members may not be drivers of disease. They are, however, mediators of signaling pathways associated with the pathophysiology of autoimmune diseases. BTK in particular may be associated with B cell and myeloid differentiation as well as autoantibody development implicated in immune mediated diseases. Successes in the clinic for treating RA, MS, PV, ITP, and GVHD, but not for SLE and SJ support the concept that BTK plays an important role in mediating pathogenic processes amenable to therapeutic intervention, depending on the disease. Based on the data collected in this study, we propose that current compound characteristics of BTK inhibitor drug candidates for the treatment of autoimmune diseases have achieved the selectivity, safety, and coverage requirements necessary to deliver therapeutic benefit.
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Affiliation(s)
- Garth E Ringheim
- Clinical Pharmacology and Translational Medicine, Eisai Inc, Woodcliff Lake, NJ, United States
| | | | - Kinsi Oberoi
- Science Group, Clarivate, Philadelphia, PA, United States
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30
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Vaccine response following anti-CD20 therapy: a systematic review and meta-analysis of 905 patients. Blood Adv 2021; 5:2624-2643. [PMID: 34152403 PMCID: PMC8216656 DOI: 10.1182/bloodadvances.2021004629] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 04/23/2021] [Indexed: 11/20/2022] Open
Abstract
The objective of this study was to perform a systematic review of the literature on vaccine responsiveness in patients who have received anti-CD20 therapy. PubMed and EMBASE were searched up to 4 January 2021 to identify studies of vaccine immunogenicity in patients treated with anti-CD20 therapy, including patients with hematologic malignancy or autoimmune disease. The primary outcomes were seroprotection (SP), seroconversion (SC), and/or seroresponse rates for each type of vaccine reported. As the pandemic influenza vaccine (2009 H1N1) has standardized definitions for SP and SC, and represented a novel primary antigen similar to the COVID-19 vaccine, meta-analysis was conducted for SC of studies of this vaccine. Pooled estimates, relative benefit ratios (RBs), and 95% confidence intervals (CIs) were calculated using a random-effects model. Thirty-eight studies (905 patients treated with anti-CD20 therapy) were included (19 studies of patients with hematologic malignancies). Patients on active (<3 months since last dose) anti-CD20 therapy had poor responses to all types of vaccines. The pooled estimate for SC after 1 pandemic influenza vaccine dose in these patients was 3% (95% CI, 0% to 9%), with an RB of 0.05 (95% CI, 0-0.73) compared with healthy controls and 0.22 (95% CI, 0.09-0.56) compared with disease controls. SC compared with controls seems abrogated for at least 6 months following treatment (3-6 months post anti-CD20 therapy with an RB of 0.50 [95% CI, 0.24-1.06] compared with healthy and of 0.44 [95% CI, 0.23-0.84] compared with disease controls). For all vaccine types, response to vaccination improves incrementally over time, but may not reach the level of healthy controls even 12 months after therapy.
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Abstract
Adaptive immunity plays central roles in the pathogenesis of rheumatoid arthritis (RA), as it is regarded as an autoimmune disease. Clinical investigations revealed infiltrations of B cells in the synovium, especially those with ectopic lymphoid neogenesis, associate with disease severity. While some B cells in the synovium differentiate into plasma cells producing autoantibodies such as anti-citrullinated protein antibody, others differentiate into effector B cells producing proinflammatory cytokines and expressing RANKL. Synovial B cells might also be important as antigen-presenting cells. Synovial T cells are implicated in the induction of antibody production as well as local inflammation. In the former, a recently identified CD4 T cell subset, peripheral helper T (Tph), which is characterized by the expression of PD-1 and production of CXCL13 and IL-21, is implicated, while the latter might be mediated by Th1-like CD4 T cell subsets that can produce multiple proinflammatory cytokines, including IFN-γ, TNF-α, and GM-CSF, and express cytotoxic molecules, such as perforin, granzymes and granulysin. CD8 T cells in the synovium are able to produce large amount of IFN-γ. However, the involvement of those lymphocytes in the pathogenesis of RA still awaits verification. Their antigen-specificity also needs to be clarified.
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Affiliation(s)
- Hisakata Yamada
- Department of Arthritis and Immunology, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
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Bay-Jensen AC, Siebuhr AS, Damgaard D, Drobinski P, Thudium C, Mortensen J, Nielsen CH. Objective and noninvasive biochemical markers in rheumatoid arthritis: where are we and where are we going? Expert Rev Proteomics 2021; 18:159-175. [PMID: 33783300 DOI: 10.1080/14789450.2021.1908892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
INTRODUCTION Rheumatoid arthritis (RA) is a chronic autoimmune disease that affects approximately 1% of the adult population. RA is multi-factorial, and as such our understanding of the molecular pathways involved in the disease is currently limited. An increasing number of studies have suggested that several molecular phenotypes (i.e. endotypes) of RA exist, and that different endotypes respond differently to various treatments. Biochemical markers may be an attractive means for achieving precision medicine, as they are objective and easily obtainable. AREAS COVERED We searched recent publications on biochemical markers in RA as either diagnostic or prognostic markers, or as markers of disease activity. Here, we provide a narrative overview of different classes of markers, such as autoantibodies, citrulline products, markers of tissue turnover and cytokines, that have been tested in clinical cohorts or trials including RA patients. EXPERT OPINION Although many biochemical markers have been identified and tested, few are currently being used in clinical practice. As more treatment options are becoming available, the need for precision medicine tools that can aid physicians and patients in choosing the right treatment is growing.
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Affiliation(s)
- Anne C Bay-Jensen
- ImmunoScience, Nordic Bioscience Biomarkers and Research, Herlev, Denmark
| | - Anne Sofie Siebuhr
- ImmunoScience, Nordic Bioscience Biomarkers and Research, Herlev, Denmark
| | - Dres Damgaard
- Center for Rheumatolology and Spine Diseases, Institute for Inflammation Research, University of Copenhagen, Copenhagen Ø, Denmark
| | - Patryk Drobinski
- ImmunoScience, Nordic Bioscience Biomarkers and Research, Herlev, Denmark
| | - Christian Thudium
- ImmunoScience, Nordic Bioscience Biomarkers and Research, Herlev, Denmark
| | - Joachim Mortensen
- ImmunoScience, Nordic Bioscience Biomarkers and Research, Herlev, Denmark
| | - Claus H Nielsen
- Center for Rheumatolology and Spine Diseases, Institute for Inflammation Research, University of Copenhagen, Copenhagen Ø, Denmark
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Vishnevetsky A, Hawkes C, Lechner-Scott J, Giovannoni G, Levy M, Pohl D. B cell therapy and the use of RNA-based COVID-19 vaccines. Mult Scler Relat Disord 2021; 49:102887. [PMID: 33883063 PMCID: PMC7938733 DOI: 10.1016/j.msard.2021.102887] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Anastasia Vishnevetsky
- Harvard BWH Mass General Neurology Residency Program, Brigham and Women's Hospital, Massachusetts General Hospital, Boston, MA, USA
| | - Chris Hawkes
- Harvard BWH Mass General Neurology Residency Program, Brigham and Women's Hospital, Massachusetts General Hospital, Boston, MA, USA
| | - Jeannette Lechner-Scott
- Harvard BWH Mass General Neurology Residency Program, Brigham and Women's Hospital, Massachusetts General Hospital, Boston, MA, USA
| | - Gavin Giovannoni
- Harvard BWH Mass General Neurology Residency Program, Brigham and Women's Hospital, Massachusetts General Hospital, Boston, MA, USA
| | - Michael Levy
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
| | - Daniela Pohl
- Blizard Institute, Barts and The London School of Medicine and Dentistry, 4 Newark Street, London, E1 2AT
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Delgado-Fernández M, García-Gemar GM, Fuentes-López A, Muñoz-Pérez MI, Oyonarte-Gómez S, Ruíz-García I, Martín-Carmona J, Sanz-Cánovas J, Castaño-Carracedo MÁ, Reguera-Iglesias JM, Ruíz-Mesa JD. Treatment of COVID-19 with convalescent plasma in patients with humoral immunodeficiency - Three consecutive cases and review of the literature. Enferm Infecc Microbiol Clin 2021; 40:S0213-005X(21)00035-5. [PMID: 33741148 PMCID: PMC7877207 DOI: 10.1016/j.eimc.2021.01.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 01/19/2021] [Accepted: 01/20/2021] [Indexed: 12/31/2022]
Abstract
Patients lacking humoral response have been suggested to develop a less severe COVID-19, but there are some reports with a prolonged, relapsing or deadly course. From April 2020, there is growing evidence on the benefits of COVID-19 convalescent plasma (CCP) for patients with humoral immunodeficiency. Most of them had a congenital primary immunodeficiency or were on treatment with anti CD20 antibodies. We report on three patients treated in our hospital and review thirty-one more cases described in the literature. All patients but three resolved clinical picture with CCP. A dose from 200 to 800ml was enough in most cases. Antibody levels after transfusion were negative or low, suggesting consumption of them in SARS-CoV-2 neutralization. These patients have a protracted clinical course shortened after CCP. CCP could be helpful for patients with humoral immunodeficiency. It avoid relapses and chronification. CCP should be transfused as early as possible in patients with COVID-19 and humoral immunodeficiency.
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Affiliation(s)
| | | | - Ana Fuentes-López
- Microbiology Department, Hospital Universitario Clínico San Cecilio, Granada, Spain
| | | | - Salvador Oyonarte-Gómez
- Director of "Red andaluza de Medicina transfusional, tejidos y células" del Sistema Sanitario Público de Andalucía, Spain
| | | | | | - Jaime Sanz-Cánovas
- Internal Medicine Department, Hospital Regional Universitario de Málaga, Spain
| | | | | | - Juan Diego Ruíz-Mesa
- Infectious Diseases Department, Hospital Regional Universitario de Málaga, Spain
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Humby F, Durez P, Buch MH, Lewis MJ, Rizvi H, Rivellese F, Nerviani A, Giorli G, Mahto A, Montecucco C, Lauwerys B, Ng N, Ho P, Bombardieri M, Romão VC, Verschueren P, Kelly S, Sainaghi PP, Gendi N, Dasgupta B, Cauli A, Reynolds P, Cañete JD, Moots R, Taylor PC, Edwards CJ, Isaacs J, Sasieni P, Choy E, Pitzalis C. Rituximab versus tocilizumab in anti-TNF inadequate responder patients with rheumatoid arthritis (R4RA): 16-week outcomes of a stratified, biopsy-driven, multicentre, open-label, phase 4 randomised controlled trial. Lancet 2021; 397:305-317. [PMID: 33485455 PMCID: PMC7829614 DOI: 10.1016/s0140-6736(20)32341-2] [Citation(s) in RCA: 142] [Impact Index Per Article: 47.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 10/21/2020] [Accepted: 10/27/2020] [Indexed: 01/12/2023]
Abstract
BACKGROUND Although targeted biological treatments have transformed the outlook for patients with rheumatoid arthritis, 40% of patients show poor clinical response, which is mechanistically still unexplained. Because more than 50% of patients with rheumatoid arthritis have low or absent CD20 B cells-the target for rituximab-in the main disease tissue (joint synovium), we hypothesised that, in these patients, the IL-6 receptor inhibitor tocilizumab would be more effective. The aim of this trial was to compare the effect of tocilizumab with rituximab in patients with rheumatoid arthritis who had an inadequate response to anti-tumour necrosis factor (TNF) stratified for synovial B-cell status. METHODS This study was a 48-week, biopsy-driven, multicentre, open-label, phase 4 randomised controlled trial (rituximab vs tocilizumab in anti-TNF inadequate responder patients with rheumatoid arthritis; R4RA) done in 19 centres across five European countries (the UK, Belgium, Italy, Portugal, and Spain). Patients aged 18 years or older who fulfilled the 2010 American College of Rheumatology and European League Against Rheumatism classification criteria for rheumatoid arthritis and were eligible for treatment with rituximab therapy according to UK National Institute for Health and Care Excellence guidelines were eligible for inclusion in the trial. To inform balanced stratification, following a baseline synovial biopsy, patients were classified histologically as B-cell poor or rich. Patients were then randomly assigned (1:1) centrally in block sizes of six and four to receive two 1000 mg rituximab infusions at an interval of 2 weeks (rituximab group) or 8 mg/kg tocilizumab infusions at 4-week intervals (tocilizumab group). To enhance the accuracy of the stratification of B-cell poor and B-cell rich patients, baseline synovial biopsies from all participants were subjected to RNA sequencing and reclassified by B-cell molecular signature. The study was powered to test the superiority of tocilizumab over rituximab in the B-cell poor population at 16 weeks. The primary endpoint was defined as a 50% improvement in Clinical Disease Activity Index (CDAI50%) from baseline. The trial is registered on the ISRCTN database, ISRCTN97443826, and EudraCT, 2012-002535-28. FINDINGS Between Feb 28, 2013, and Jan 17, 2019, 164 patients were classified histologically and were randomly assigned to the rituximab group (83 [51%]) or the tocilizumab group (81 [49%]). In patients histologically classified as B-cell poor, there was no statistically significant difference in CDAI50% between the rituximab group (17 [45%] of 38 patients) and the tocilizumab group (23 [56%] of 41 patients; difference 11% [95% CI -11 to 33], p=0·31). However, in the synovial biopsies classified as B-cell poor with RNA sequencing the tocilizumab group had a significantly higher response rate compared with the rituximab group for CDAI50% (rituximab group 12 [36%] of 33 patients vs tocilizumab group 20 [63%] of 32 patients; difference 26% [2 to 50], p=0·035). Occurrence of adverse events (rituximab group 76 [70%] of 108 patients vs tocilizumab group 94 [80%] of 117 patients; difference 10% [-1 to 21) and serious adverse events (rituximab group 8 [7%] of 108 vs tocilizumab group 12 [10%] of 117; difference 3% [-5 to 10]) were not significantly different between treatment groups. INTERPRETATION The results suggest that RNA sequencing-based stratification of rheumatoid arthritis synovial tissue showed stronger associations with clinical responses compared with histopathological classification. Additionally, for patients with low or absent B-cell lineage expression signature in synovial tissue tocilizumab is more effective than rituximab. Replication of the results and validation of the RNA sequencing-based classification in independent cohorts is required before making treatment recommendations for clinical practice. FUNDING Efficacy and Mechanism Evaluation programme from the UK National Institute for Health Research.
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Affiliation(s)
- Frances Humby
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK; Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK
| | - Patrick Durez
- Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Institute of Experimental and Clinical Research, Université catholique de Louvain, Brussels, Belgium
| | - Maya H Buch
- Centre for Musculoskeletal Research, Division of Musculoskeletal & Dermatological Sciences, The University of Manchester, Manchester, UK; National Institute for Health Research (NIHR) Manchester Biomedical Research Centre, Manchester, UK
| | - Myles J Lewis
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK; Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK
| | - Hasan Rizvi
- Institute of Health Sciences Education, Queen Mary University of London, London, UK; Department of Cellular Pathology, Barts Health NHS Trust, London, UK
| | - Felice Rivellese
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK; Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK
| | - Alessandra Nerviani
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK; Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK
| | - Giovanni Giorli
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK
| | - Arti Mahto
- Department of Rheumatology, Kings College Hospital NHS Foundation Trust, London, UK
| | - Carlomaurizio Montecucco
- Department of Rheumatology, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Bernard Lauwerys
- Department of Rheumatology, Cliniques Universitaires Saint-Luc, Brussels, Belgium; Institute of Experimental and Clinical Research, Université catholique de Louvain, Brussels, Belgium
| | - Nora Ng
- Rheumatology Department, Guy's and St Thomas' NHS Foundation Trust, London, UK
| | - Pauline Ho
- The Kellgren Centre for Rheumatology, Manchester Royal Infirmary, Manchester University NHS Foundation Trust, Manchester, UK
| | - Michele Bombardieri
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK; Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK
| | - Vasco C Romão
- Rheumatology Department, Hospital De Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Rheumatology Research Unit, Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal
| | - Patrick Verschueren
- Skeletal Biology and Engineering Research Centre, Department of Development and Regeneration, Katholieke Universiteit Leuven, Leuven, Belgium; Division of Rheumatology, University Hospital Leuven, Leuven, Belgium
| | - Stephen Kelly
- Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK
| | - Pier Paolo Sainaghi
- Department of Rheumatology, University of Eastern Piedmont and Maggiore della Carita Hospital, Novara, Italy
| | - Nagui Gendi
- Rheumatology Department, Basildon Hospital, Basildon, UK
| | - Bhaskar Dasgupta
- Rheumatology Department, Mid & South Essex University Hospitals NHS Foundation Trust, Southend University Hospital, Westcliff-on-Sea, UK
| | - Alberto Cauli
- Rheumatology Unit, Department of Medicine and Public Health, Azienda Ospedaliero-Universitaria and University of Cagliari, Monserrato, Italy
| | - Piero Reynolds
- Department of Rheumatology, Homerton University Hospital, London, UK
| | - Juan D Cañete
- Rheumatology Department, Hospital Clínic de Barcelona, Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pí I Sunyer, Barcelona, Spain
| | - Robert Moots
- Academic Rheumatology Unit, Aintree University Hospital, Liverpool, UK; Faculty of Health, Social Care and Medicine, Edge Hill University, Ormskirk, UK
| | - Peter C Taylor
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Oxford, UK
| | - Christopher J Edwards
- NIHR Clinical Research Facility, University Hospital Southampton, Southampton, UK; Faculty of Medicine, University of Southampton, Southampton, UK
| | - John Isaacs
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK; Musculoskeletal Unit, Newcastle upon Tyne hospitals NHS Foundation Trust, Newcastle upon Tyne, UK
| | - Peter Sasieni
- King's Clinical Trials Unit, Kings College London, London, UK
| | - Ernest Choy
- CREATE Centre, Cardiff University, Cardiff, UK; Department of Rheumatology, University Hospital of Wales, Cardiff, UK
| | - Costantino Pitzalis
- Centre for Experimental Medicine and Rheumatology, Queen Mary University of London, London, UK; Department of Rheumatology, Mile End Hospital, Barts Health NHS Trust, London, UK.
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Lee DSW, Rojas OL, Gommerman JL. B cell depletion therapies in autoimmune disease: advances and mechanistic insights. Nat Rev Drug Discov 2021; 20:179-199. [PMID: 33324003 PMCID: PMC7737718 DOI: 10.1038/s41573-020-00092-2] [Citation(s) in RCA: 282] [Impact Index Per Article: 94.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2020] [Indexed: 01/30/2023]
Abstract
In the past 15 years, B cells have been rediscovered to be not merely bystanders but rather active participants in autoimmune aetiology. This has been fuelled in part by the clinical success of B cell depletion therapies (BCDTs). Originally conceived as a method of eliminating cancerous B cells, BCDTs such as those targeting CD20, CD19 and BAFF are now used to treat autoimmune diseases, including systemic lupus erythematosus and multiple sclerosis. The use of BCDTs in autoimmune disease has led to some surprises. For example, although antibody-secreting plasma cells are thought to have a negative pathogenic role in autoimmune disease, BCDT, even when it controls the disease, has limited impact on these cells and on antibody levels. In this Review, we update our understanding of B cell biology, review the results of clinical trials using BCDT in autoimmune indications, discuss hypotheses for the mechanism of action of BCDT and speculate on evolving strategies for targeting B cells beyond depletion.
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Affiliation(s)
- Dennis S. W. Lee
- grid.17063.330000 0001 2157 2938Department of Immunology, University of Toronto, Toronto, ON Canada
| | - Olga L. Rojas
- grid.17063.330000 0001 2157 2938Department of Immunology, University of Toronto, Toronto, ON Canada
| | - Jennifer L. Gommerman
- grid.17063.330000 0001 2157 2938Department of Immunology, University of Toronto, Toronto, ON Canada
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The growing role of precision medicine for the treatment of autoimmune diseases; results of a systematic review of literature and Experts' Consensus. Autoimmun Rev 2020; 20:102738. [PMID: 33326854 DOI: 10.1016/j.autrev.2020.102738] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 09/22/2020] [Indexed: 02/07/2023]
Abstract
Autoimmune diseases (AIDs) share similar serological, clinical, and radiological findings, but, behind these common features, there are different pathogenic mechanisms, immune cells dysfunctions, and targeted organs. In this context, multiple lines of evidence suggest the application of precision medicine principles to AIDs to reduce the treatment failure. Precision medicine refers to the tailoring of therapeutic strategies to the individual characteristics of each patient, thus it could be a new approach for management of AIDS which considers individual variability in genes, environmental exposure, and lifestyle. Precision medicine would also assist physicians in choosing the right treatment, the best timing of administration, consequently trying to maximize drug efficacy, and, possibly, reducing adverse events. In this work, the growing body of evidence is summarized regarding the predictive factors for drug response in patients with AIDs, applying the precision medicine principles to provide high-quality evidence for therapeutic opportunities in improving the management of these patients.
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38
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Kristyanto H, Blomberg NJ, Slot LM, van der Voort EIH, Kerkman PF, Bakker A, Burgers LE, Ten Brinck RM, van der Helm-van Mil AHM, Spits H, Baeten DL, Huizinga TWJ, Toes REM, Scherer HU. Persistently activated, proliferative memory autoreactive B cells promote inflammation in rheumatoid arthritis. Sci Transl Med 2020; 12:eaaz5327. [PMID: 33208502 PMCID: PMC7615909 DOI: 10.1126/scitranslmed.aaz5327] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 06/04/2020] [Accepted: 09/21/2020] [Indexed: 01/11/2023]
Abstract
Autoreactive B cells mediate autoimmune pathology, but exactly how remains unknown. A hallmark of rheumatoid arthritis (RA), a common autoimmune disease, is the presence of disease-specific anticitrullinated protein antibodies (ACPAs). Here, we showed that ACPA-positive B cells in patients with RA strongly expressed T cell-stimulating ligands, produced abundant proinflammatory cytokines, and were proliferative while escaping inhibitory signals. This activated state was found at different degrees in different stages of disease: highest in patients with recent-onset RA, moderate in patients with established RA, and far less pronounced in ACPA-positive individuals "at risk" for developing disease. The activated autoreactive B cell response persisted in patients who achieved clinical remission with conventional treatment. ACPA-positive B cells in blood and synovial fluid secreted increased amounts of the chemoattractant interleukin-8, which attracted neutrophils, the most abundant immune cell in arthritic joints. Tetanus toxoid-specific B cells from the same patients exhibited properties of memory B cells without the activation and proliferation phenotype, but these cells transiently acquired a similar proliferative phenotype upon booster vaccination. Together, these data indicated that continuous antigenic triggering of autoreactive B cells occurs in human autoimmune disease and support the emerging concept of immunological activity that persists under treatment even in clinical remission, which may revise our current concept of treatment targets for future therapeutic interventions. In addition, our data pointed to a pathogenic role of ACPA-positive B cells in the inflammatory disease process underlying RA and favor approaches that aim at their antigen-specific inactivation or depletion.
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Affiliation(s)
- Hendy Kristyanto
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | - Nienke J Blomberg
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | - Linda M Slot
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | | | - Priscilla F Kerkman
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
- Department of Medical Microbiology, University Medical Center Utrecht, 3584CX Utrecht, Netherlands
| | - Aleida Bakker
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | - Leonie E Burgers
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | - Robin M Ten Brinck
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | | | - Hergen Spits
- Department of Experimental Immunology and Amsterdam Institute of Infection and Immunity, Amsterdam University Medical Center, location AMC, 1105AZ Amsterdam, Netherlands
- AIMM Therapeutics, 1045BA Amsterdam, Netherlands
| | - Dominique L Baeten
- Department of Clinical Immunology and Rheumatology, Amsterdam University Medical Center, location AMC, 1105AZ Amsterdam, Netherlands
- UCB Pharma, 1070 Brussels, Belgium
| | - Tom W J Huizinga
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | - René E M Toes
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands
| | - Hans U Scherer
- Department of Rheumatology, Leiden University Medical Center, 2300RC Leiden, Netherlands.
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Zhang B, Wang Y, Yuan Y, Sun J, Liu L, Huang D, Hu J, Wang M, Li S, Song W, Chen H, Zhou D, Zhang X. In vitro elimination of autoreactive B cells from rheumatoid arthritis patients by universal chimeric antigen receptor T cells. Ann Rheum Dis 2020; 80:176-184. [PMID: 32998865 DOI: 10.1136/annrheumdis-2020-217844] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 08/27/2020] [Accepted: 08/30/2020] [Indexed: 12/13/2022]
Abstract
OBJECTIVES Autoreactive B cells play a crucial role in the pathogenesis of rheumatoid arthritis (RA), and B cell-depleting therapies using an antibodies, such as rituximab, have been suggested to be effective in RA treatment. However, transient B cell depletion with rituximab is associated with significant safety challenges related to global suppression of the immune system and thus increases the risks of infection and cancer development. To address selective and persistent issues associated with RA therapy, we developed a customised therapeutic strategy employing universal antifluorescein isothiocyanate (FITC) chimeric antigen receptor T cells (CAR-T cells) combined with FITC-labelled antigenic peptide epitopes to eliminate autoreactive B cell subsets recognising these antigens in RA. METHODS For a proof-of-concept study, four citrullinated peptide epitopes derived from citrullinated autoantigens, namely, citrullinated vimentin, citrullinated type II collagen, citrullinated fibrinogen and tenascin-C, and a cyclocitrulline peptide-1 were selected as ligands for targeting autoreactive B cells; Engineered T cells expressing a fixed anti-FITC CAR were constructed and applied as a universal CAR-T cell system to specifically eliminate these protein-specific autoreactive B cells via recognition of the aforementioned FITC-labelled autoantigenic peptide epitopes. RESULTS We demonstrated that anti-FITC CAR-T cells could be specifically redirected and kill hybridoma cells generated by immunisation with antigenic peptides, and autoreactive B cell subsets from RA patients via recognition of corresponding FITC-labelled citrullinated peptide epitopes. Additionally, the cytotoxicity of the CAR-T cells was dependent on the presence of the peptides and occurred in a dose-dependent manner. CONCLUSIONS The approach described here provides a direction for precise, customised approaches to treat RA and can likely be applied to other systemic autoimmune diseases.
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Affiliation(s)
- Bo Zhang
- Department of Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China.,Clinical Immunology Center& Epigenetics Center, Peking Union Medical College Hospital, Chinese Academy of MedicalSciences and Peking Union Medical College, Beijing, China
| | - Yan Wang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Yeshuang Yuan
- Clinical Immunology Center& Epigenetics Center, Peking Union Medical College Hospital, Chinese Academy of MedicalSciences and Peking Union Medical College, Beijing, China
| | - Jiaqi Sun
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Lulu Liu
- Department of Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Dan Huang
- Department of Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jin Hu
- Department of Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,Clinical Immunology Center& Epigenetics Center, Peking Union Medical College Hospital, Chinese Academy of MedicalSciences and Peking Union Medical College, Beijing, China
| | - Min Wang
- Clinical Immunology Center& Epigenetics Center, Peking Union Medical College Hospital, Chinese Academy of MedicalSciences and Peking Union Medical College, Beijing, China.,Department of Rheumatology & Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Shengjie Li
- Department of Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Wei Song
- Department of Medical Research Center, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hua Chen
- Department of Rheumatology & Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Demin Zhou
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, China
| | - Xuan Zhang
- Clinical Immunology Center& Epigenetics Center, Peking Union Medical College Hospital, Chinese Academy of MedicalSciences and Peking Union Medical College, Beijing, China .,Department of Rheumatology & Clinical Immunology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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40
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Garcia-Montoya L, Villota-Eraso C, Yusof MYM, Vital EM, Emery P. Lessons for rituximab therapy in patients with rheumatoid arthritis. THE LANCET. RHEUMATOLOGY 2020; 2:e497-e509. [PMID: 38273611 DOI: 10.1016/s2665-9913(20)30033-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/31/2020] [Accepted: 02/03/2020] [Indexed: 02/07/2023]
Abstract
B-cell depletion therapy is an effective option for the treatment of rheumatoid arthritis but often does not result in complete B-cell depletion. Complete B-cell depletion after rituximab treatment is associated with clinical response, and this outcome leads to long-term maintenance of therapy. Low pretreatment plasmablast counts, concomitant treatment with disease-modifying antirheumatic drugs, no smoking exposure, the presence of anticitrullinated protein antibodies or rheumatoid factor, and a low interferon signature are all predictive of complete B-cell depletion and clinical response. Half of patients who initially show complete B-cell depletion and clinical response after rituximab treatment eventually lose responsiveness with further infusions. However three-quarters of these patients regain this outcome in their following treatment cycle, suggesting that loss of response is reversible and that patients can still benefit from rituximab retreatment. The efficacy of reduced doses of rituximab is being investigated, but preliminary results suggest that these strategies are best used for maintenance therapy, particularly in patients who suffer adverse events or who are at a high risk of infection. Infusion-related reactions are the most common adverse events associated with rituximab treatment, and monitoring of IgG concentrations is crucial, as low concentrations are correlated with an increased risk of infection.
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Affiliation(s)
- Leticia Garcia-Montoya
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK; National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | | | - Md Yuzaiful Md Yusof
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK; National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Edward M Vital
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK; National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Paul Emery
- Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Chapel Allerton Hospital, Leeds, UK; National Institute for Health Research Leeds Biomedical Research Centre, Leeds Teaching Hospitals NHS Trust, Leeds, UK.
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41
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Hakim MA, Christensen B, Ahn DY, McCain JP. Correlation of Arthroscopic and Histologic Findings in Synovial Membrane Disease of the Temporomandibular Joint. J Oral Maxillofac Surg 2020; 78:1297-1303. [DOI: 10.1016/j.joms.2020.03.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 03/16/2020] [Accepted: 03/23/2020] [Indexed: 01/17/2023]
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42
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Jiang R, Fichtner ML, Hoehn KB, Pham MC, Stathopoulos P, Nowak RJ, Kleinstein SH, O'Connor KC. Single-cell repertoire tracing identifies rituximab-resistant B cells during myasthenia gravis relapses. JCI Insight 2020; 5:136471. [PMID: 32573488 DOI: 10.1172/jci.insight.136471] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 06/11/2020] [Indexed: 12/19/2022] Open
Abstract
Rituximab, a B cell-depleting therapy, is indicated for treating a growing number of autoantibody-mediated autoimmune disorders. However, relapses can occur after treatment, and autoantibody-producing B cell subsets may be found during relapses. It is not understood whether these autoantibody-producing B cell subsets emerge from the failed depletion of preexisting B cells or are generated de novo. To further define the mechanisms that cause postrituximab relapse, we studied patients with autoantibody-mediated muscle-specific kinase (MuSK) myasthenia gravis (MG) who relapsed after treatment. We carried out single-cell transcriptional and B cell receptor profiling on longitudinal B cell samples. We identified clones present before therapy that persisted during relapse. Persistent B cell clones included both antibody-secreting cells and memory B cells characterized by gene expression signatures associated with B cell survival. A subset of persistent antibody-secreting cells and memory B cells were specific for the MuSK autoantigen. These results demonstrate that rituximab is not fully effective at eliminating autoantibody-producing B cells and provide a mechanistic understanding of postrituximab relapse in MuSK MG.
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Affiliation(s)
| | - Miriam L Fichtner
- Department of Immunobiology and.,Department of Neurology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Kenneth B Hoehn
- Department of Pathology, Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Panos Stathopoulos
- Department of Immunobiology and.,Department of Neurology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Richard J Nowak
- Department of Neurology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Steven H Kleinstein
- Department of Immunobiology and.,Interdepartmental Program in Computational Biology & Bioinformatics, Yale University, New Haven, Connecticut, USA.,Department of Pathology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Kevin C O'Connor
- Department of Immunobiology and.,Department of Neurology, Yale School of Medicine, New Haven, Connecticut, USA
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Abstract
Introduction: Primary Sjögren's syndrome (pSS) is an autoimmune systemic disease characterized by a complex and not yet completely elucidated etiopathogenesis, where autoimmune manifestations coexist with different degree of lymphoproliferation, resulting in multiple possible scenarios extremely heterogeneous from patient to patient. Although considerable progress has been made in the identifications of potential novel therapeutic targets in recent years, the biological complexity of pSS, combined to such heterogeneous clinical manifestations, makes the treatment of pSS, even today, a great challenge. Areas covered: A therapy specifically approved for pSS is still lacking. In recent years, several novel promising agents are being tested in pSS. Based on a deep revision of drugs evaluated for pSS therapy, it is striking that several clinical trials, some of them testing very promising agents, failed. Expert opinion: a renewal of clinical trial design, including the definition of novel inclusion criteria and outcome measures, together with the development of a stratification model of pSS patients and the advance in the definition of pathogenetic mechanisms underlying peculiar pSS subsets, represent preliminary and crucial steps to overcome the current therapeutic impasse in pSS.
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Affiliation(s)
- Saviana Gandolfo
- a Rheumatology Clinic, Udine University Hospital, Department of Medical Area , University of Udine , Udine , Italy
| | - Salvatore De Vita
- a Rheumatology Clinic, Udine University Hospital, Department of Medical Area , University of Udine , Udine , Italy
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44
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Unger PPA, Lighaam LC, Vermeulen E, Kruithof S, Makuch M, Culver EL, van Bruggen R, Remmerswaal EBM, Ten Berge IJM, Emmens RW, Niessen HWM, Barnes E, Wolbink GJ, van Ham SM, Rispens T. Divergent chemokine receptor expression and the consequence for human IgG4 B cell responses. Eur J Immunol 2020; 50:1113-1125. [PMID: 32289181 DOI: 10.1002/eji.201948454] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Revised: 02/01/2020] [Accepted: 04/09/2020] [Indexed: 12/24/2022]
Abstract
IgG4 antibodies are unique to humans. IgG4 is associated with tolerance during immunotherapy in allergy, but also with pathology, as in pemphigus vulgaris and IgG4-related disease. Its induction is largely restricted to nonmicrobial antigens, and requires repeated or prolonged antigenic stimulation, for reasons poorly understood. An important aspect in generating high-affinity IgG antibodies is chemokine receptor-mediated migration of B cells into appropriate niches, such as germinal centers. Here, we show that compared to IgG1 B cells, circulating IgG4 B cells express lower levels of CXCR3, CXCR4, CXCR5, CCR6, and CCR7, chemokine receptors involved in GC reactions and generation of long-lived plasma cells. This phenotype was recapitulated by in vitro priming of naive B cells with an IgG4-inducing combination of TFH /TH2 cytokines. Consistent with these observations, we found a low abundance of IgG4 B cells in secondary lymphoid tissues in vivo, and the IgG4 antibody response is substantially more short-lived compared to other IgG subclasses in patient groups undergoing CD20+ B cell depletion therapy with rituximab. These results prompt the hypothesis that factors needed to form IgG4 B cells restrain at the same time the induction of a robust migratory phenotype that could support a long-lived IgG4 antibody response.
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Affiliation(s)
- Peter-Paul A Unger
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Laura C Lighaam
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Ellen Vermeulen
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Simone Kruithof
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Mateusz Makuch
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Emma L Culver
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford and Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Robin van Bruggen
- Sanquin Research, Department of Blood Cell Research, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Ester B M Remmerswaal
- Renal Transplant Unit, Department of Internal Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Ineke J M Ten Berge
- Renal Transplant Unit, Department of Internal Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Reindert W Emmens
- Department of Pathology and Cardiovascular Surgery, ACS, VU Medical Center, Amsterdam, The Netherlands
| | - Hans W M Niessen
- Department of Pathology and Cardiovascular Surgery, ACS, VU Medical Center, Amsterdam, The Netherlands
| | - Eleanor Barnes
- Translational Gastroenterology Unit, John Radcliffe Hospital, Oxford and Nuffield Department of Medicine, University of Oxford, Oxford, UK
| | - Gerrit J Wolbink
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,Department of Rheumatology, Amsterdam Rheumatology and Immunology Centre, Reade, Amsterdam, The Netherlands
| | - S Marieke van Ham
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.,University of Amsterdam, Swammerdam Institute for Life Sciences, The Netherlands
| | - Theo Rispens
- Sanquin Research, Department of Immunopathology, Amsterdam, The Netherlands, and Landsteiner Laboratory, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
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45
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Anti-CD20–mediated B-cell depletion in autoimmune diseases: successes, failures and future perspectives. Kidney Int 2020; 97:885-893. [DOI: 10.1016/j.kint.2019.12.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/09/2019] [Accepted: 12/12/2019] [Indexed: 12/11/2022]
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46
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Peripheral B Cell Subsets in Autoimmune Diseases: Clinical Implications and Effects of B Cell-Targeted Therapies. J Immunol Res 2020; 2020:9518137. [PMID: 32280720 PMCID: PMC7125470 DOI: 10.1155/2020/9518137] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 03/01/2020] [Accepted: 03/10/2020] [Indexed: 12/14/2022] Open
Abstract
Antibody-secreting cells (ASCs) play a fundamental role in humoral immunity. The aberrant function of ASCs is related to a number of disease states, including autoimmune diseases and cancer. Recent insights into activated B cell subsets, including naïve B cell to ASC stages and their resultant cellular disturbances, suggest that aberrant ASC differentiation occurs during autoimmune diseases and is closely related to disease severity. However, the mechanisms underlying highly active ASC differentiation and the B cell subsets in autoimmune patients remain undefined. Here, we first review the processes of ASC generation. From the perspective of novel therapeutic target discovery, prediction of disease progression, and current clinical challenges, we further summarize the aberrant activity of B cell subsets including specialized memory CD11chiT-bet+ B cells that participate in the maintenance of autoreactive ASC populations. An improved understanding of subgroups may also enhance the knowledge of antigen-specific B cell differentiation. We further discuss the influence of current B cell therapies on B cell subsets, specifically focusing on systemic lupus erythematosus, rheumatoid arthritis, and myasthenia gravis.
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47
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Young C, Brink R. Germinal centers and autoantibodies. Immunol Cell Biol 2020; 98:480-489. [PMID: 32080878 DOI: 10.1111/imcb.12321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/16/2020] [Accepted: 02/18/2020] [Indexed: 12/24/2022]
Abstract
Preventing self-reactive lymphocytes from participating in effector responses is fundamental to maintaining immunological self-tolerance and circumventing autoimmunity. A range of complementary mechanisms are known to act upon the primary B- and T-cell repertoires to this effect, eliminating or silencing lymphocytes expressing self-reactive antigen receptors generated through V(D)J recombination in early lymphoid precursors. In the case of B cells, secondary diversification of antigen receptor repertoire by somatic hypermutation (SHM) provides an additional challenge, especially because this occurs in germinal center (GC) B cells that are actively responding to antigen and primed for differentiation into antibody-producing plasma cells. While it is clear that self-tolerance mechanisms do act to prevent antibody production by self-reactive GC B cells, it is also apparent that most pathogenic autoantibodies carry somatic mutations and so have derived from a GC response. Recent advances in the analysis of autoantibody-producing cells associated with human autoimmune diseases together with insights gained from animal models have increased our understanding of the relationships between GCs, SHM and autoantibody production. Here we discuss these developments and focus in particular on how they have illuminated the genesis and pathogenesis of one archetypal autoantibody, rheumatoid factor.
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Affiliation(s)
- Clara Young
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia.,St Vincent's Clinical School, UNSW Sydney, Darlinghurst, NSW, Australia
| | - Robert Brink
- Immunology Division, Garvan Institute of Medical Research, Darlinghurst, NSW, 2010, Australia.,St Vincent's Clinical School, UNSW Sydney, Darlinghurst, NSW, Australia
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48
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Ramwadhdoebe TH, van Baarsen LGM, Boumans MJH, Bruijnen STG, Safy M, Berger FH, Semmelink JF, van der Laken CJ, Gerlag DM, Thurlings RM, Tak PP. Effect of rituximab treatment on T and B cell subsets in lymph node biopsies of patients with rheumatoid arthritis. Rheumatology (Oxford) 2020; 58:1075-1085. [PMID: 30649469 PMCID: PMC6532448 DOI: 10.1093/rheumatology/key428] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 11/21/2018] [Indexed: 11/25/2022] Open
Abstract
Objectives The exact underlying mechanism of rituximab treatment in patients with RA is poorly defined and knowledge about the effect of B cell depletion on immune cells in secondary lymphoid organs is lacking. We analysed lymphoid tissue responses to rituximab in RA patients. Methods Fourteen RA patients received 2 × 1000 mg rituximab intravenously, and lymph node (LN) biopsies were obtained before and 4 weeks after the first infusion. Tissues were examined by flow cytometry, immunohistochemistry and quantitative PCR. LN biopsies from five healthy individuals (HC) served as controls. Results LN biopsies of RA patients showed increased frequencies of CD21+CD23+IgDhighIgMvariable follicular B cells and CD3+CD25+CD69+ early activated, tissue resident T cells when compared with HCs. After treatment, there was incomplete depletion of LN B cells. There was a significant decrease in CD27−IgD+ naïve B cells, and CD27+IgD+ unswitched memory B cells including the CD27+IgD+IgM+ subset and follicular B cells. Strikingly, CD27+IgD− switched memory B cells persisted in LN biopsies after rituximab treatment. In the T cell compartment, a significant decrease was observed in the frequency of early activated, tissue resident T cells after rituximab treatment, but late activated T cells persisted. B cell proliferation inducing cytokine IL-21 was higher expressed in LN biopsies of RA patients compared with HC and expression was not affected by rituximab treatment. Conclusion Rituximab does not cure RA, possibly due to persistence of switched memory B cells in lymphoid tissues suggesting that factors promoting B cell survival and differentiation need to be additionally targeted.
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Affiliation(s)
- Tamara H Ramwadhdoebe
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Netherlands
| | - Lisa G M van Baarsen
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Netherlands
| | - Maria J H Boumans
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands
| | - Stefan T G Bruijnen
- Department of Rheumatology and Clinical Immunology, ARC, Amsterdam UMC, Vrije Universiteit Amsterdam, Netherlands
| | - Mary Safy
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands
| | - Ferco H Berger
- Department of Radiology & Nuclear Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Johanna F Semmelink
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands.,Department of Experimental Immunology, Amsterdam Infection & Immunity Institute, Amsterdam UMC, University of Amsterdam, Netherlands
| | - Conny J van der Laken
- Department of Rheumatology and Clinical Immunology, ARC, Amsterdam UMC, Vrije Universiteit Amsterdam, Netherlands
| | - Danielle M Gerlag
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands.,Clinical Unit Cambridge, GlaxoSmithKline, UK
| | - Rogier M Thurlings
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands
| | - Paul P Tak
- Department of Rheumatology and Clinical Immunology, Amsterdam Rheumatology and Immunology Center (ARC), Netherlands.,University of Cambridge, Cambridge, UK.,Ghent University, Ghent, Belgium
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49
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Barnas JL, Looney RJ, Anolik JH. B cell targeted therapies in autoimmune disease. Curr Opin Immunol 2019; 61:92-99. [PMID: 31733607 DOI: 10.1016/j.coi.2019.09.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 09/17/2019] [Accepted: 09/22/2019] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW FDA-approved B cell-targeted therapy has expanded to a multitude of autoimmune diseases ranging from organ specific diseases, like pemphigus and multiple sclerosis, to systemic diseases such as ANCA-associated vasculitis, rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). In this review, we discuss the variability in response to B cell-targeted therapies with a focus on the diversity of human B cells and plasma cells, and will discuss several of the promising new B cell-targeted therapies. RECENT FINDING The pathogenic roles for B cells include autoantibody-dependent and autoantibody-independent functions whose importance may vary across diseases or even in subsets of patients with the same disease. Recent data have further demonstrated the diversity of human B cell subsets that contribute to disease as well as novel pathways of B cell activation in autoimmune disease. The importance of eliminating autoreactive B cells and plasma cells will be discussed, as well as new approaches to do so. SUMMARY The past several years has witnessed significant advances in our knowledge of human B cell subsets and function. This has created a nuanced picture of the diverse ways B cells contribute to autoimmunity and an ever-expanding armamentarium of B cell-targeted therapies.
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Affiliation(s)
- Jennifer L Barnas
- Department of Medicine, Division of Allergy Immunology and Rheumatology, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, United States
| | - Richard John Looney
- Department of Medicine, Division of Allergy Immunology and Rheumatology, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, United States
| | - Jennifer H Anolik
- Department of Medicine, Division of Allergy Immunology and Rheumatology, University of Rochester School of Medicine and Dentistry, Rochester, New York 14642, United States.
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50
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Zhong H, Li HY, Zhou T, Weng W. Rituximab therapy in adults with steroid-dependent nephrotic syndrome. Arch Med Sci 2019; 19:577-585. [PMID: 37313189 PMCID: PMC10259397 DOI: 10.5114/aoms.2019.88404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 08/25/2019] [Indexed: 10/13/2023] Open
Abstract
INTRODUCTION Patients with steroid-dependent nephrotic syndrome (SDNS) suffer frequent relapse with adverse effects caused by long-term prednisolone treatment. Recently, the chimeric monoclonal antibody against the protein CD20 (rituximab - RTX) was observed to be efficacious and safe in the treatment of patients with SDNS. We summarized the scientific literature to evaluate RTX therapy in the clinical management of SDNS. MATERIAL AND METHODS PubMed, EMBASE, and Cochrane Library databases were investigated from interception to 2019-6-6, without language limitation. The analysis was restricted to adults ≥ 19 years of age. Data were administered and analyzed through the Review manager 5.3 software. RESULTS After RTX treatment, relapse times, prednisolone dose, and proteinuria decreased, whereas serum albumin was increased. The clinical parameters blood pressure and total cholesterol diminished also, whereas bone mineral density was improved. Overall, RTX ameliorated the adverse effects of prednisolone. Moreover, the Th1/Th2 ratio was changed except for the CD19 and CD20 cell counts. Additionally, most of the adverse effects of RTX were mild and well tolerated. CONCLUSIONS In the studies that we considered, we concluded that RTX treatment was effective and safe in the therapy of patients with SDNS. Nevertheless, more randomized controlled trials are required to explore the mechanism of RTX action and verify its efficacy.
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Affiliation(s)
- Hongzhen Zhong
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Hong-Yan Li
- Department of Nephrology, Huadu District People’s Hospital of Guangzhou, Southern Medical University, Guangzhou, China
| | - Tianbiao Zhou
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
| | - Wenjuan Weng
- Department of Nephrology, the Second Affiliated Hospital of Shantou University Medical College, Shantou, China
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