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Umar S, Palasiewicz K, Van Raemdonck K, Volin MV, Romay B, Amin MA, Zomorrodi RK, Arami S, Gonzalez M, Rao V, Zanotti B, Fox DA, Sweiss N, Shahrara S. IRAK4 inhibition: a promising strategy for treating RA joint inflammation and bone erosion. Cell Mol Immunol 2021; 18:2199-2210. [PMID: 32415262 PMCID: PMC8429735 DOI: 10.1038/s41423-020-0433-8] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 03/30/2020] [Indexed: 01/22/2023] Open
Abstract
Flares of joint inflammation and resistance to currently available biologic therapeutics in rheumatoid arthritis (RA) patients could reflect activation of innate immune mechanisms. Herein, we show that a TLR7 GU-rich endogenous ligand, miR-Let7b, potentiates synovitis by amplifying RA monocyte and fibroblast (FLS) trafficking. miR-Let7b ligation to TLR7 in macrophages (MΦs) and FLSs expanded the synovial inflammatory response. Moreover, secretion of M1 monokines triggered by miR-Let7b enhanced Th1/Th17 cell differentiation. We showed that IRAK4 inhibitor (i) therapy attenuated RA disease activity by blocking TLR7-induced M1 MΦ or FLS activation, as well as monokine-modulated Th1/Th17 cell polarization. IRAK4i therapy also disrupted RA osteoclastogenesis, which was amplified by miR-Let7b ligation to joint myeloid TLR7. Hence, the effectiveness of IRAK4i was compared with that of a TNF inhibitor (i) or anti-IL-6R treatment in collagen-induced arthritis (CIA) and miR-Let7b-mediated arthritis. We found that TNF or IL-6R blocking therapies mitigated CIA by reducing the infiltration of joint F480+iNOS+ MΦs, the expression of certain monokines, and Th1 cell differentiation. Unexpectedly, these biologic therapies were unable to alleviate miR-Let7b-induced arthritis. The superior efficacy of IRAK4i over anti-TNF or anti-IL-6R therapy in miR-Let7b-induced arthritis or CIA was due to the ability of IRAK4i therapy to restrain the migration of joint F480+iNOS+ MΦs, vimentin+ fibroblasts, and CD3+ T cells, in addition to negating the expression of a wide range of monokines, including IL-12, MIP2, and IRF5 and Th1/Th17 lymphokines. In conclusion, IRAK4i therapy may provide a promising strategy for RA therapy by disconnecting critical links between inflammatory joint cells.
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Affiliation(s)
- Sadiq Umar
- Jesse Brown VA Medical Center, Chicago, IL, 60612, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Karol Palasiewicz
- Jesse Brown VA Medical Center, Chicago, IL, 60612, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Katrien Van Raemdonck
- Jesse Brown VA Medical Center, Chicago, IL, 60612, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Michael V Volin
- Department of Microbiology and Immunology, Midwestern University, Downers Grove, IL, 60515, USA
| | - Bianca Romay
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - M Asif Amin
- Division of Rheumatology and Clinical Autoimmunity Center of Excellence, University of Michigan, Ann Arbor, MI, 481096, USA
| | - Ryan K Zomorrodi
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Shiva Arami
- Jesse Brown VA Medical Center, Chicago, IL, 60612, USA
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Mark Gonzalez
- Department of Orthopedic Surgery, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Vikram Rao
- Pfizer Research, Cambridge, MA, 02139, USA
| | - Brian Zanotti
- Department of Microbiology and Immunology, Midwestern University, Downers Grove, IL, 60515, USA
| | - David A Fox
- Division of Rheumatology and Clinical Autoimmunity Center of Excellence, University of Michigan, Ann Arbor, MI, 481096, USA
| | - Nadera Sweiss
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Shiva Shahrara
- Jesse Brown VA Medical Center, Chicago, IL, 60612, USA.
- Department of Medicine, Division of Rheumatology, University of Illinois at Chicago, Chicago, IL, 60612, USA.
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Moschovakis GL, Bubke A, Friedrichsen M, Ristenpart J, Back JW, Falk CS, Kremmer E, Förster R. The chemokine receptor CCR7 is a promising target for rheumatoid arthritis therapy. Cell Mol Immunol 2018; 16:791-799. [PMID: 29973648 DOI: 10.1038/s41423-018-0056-5] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 05/27/2018] [Indexed: 01/04/2023] Open
Abstract
The chemokine receptor CCR7 and its ligands CCL19 and CCL21 guide the homing and positioning of dendritic and T cells in lymphoid organs, thereby contributing to several aspects of adaptive immunity and immune tolerance. In the present study, we investigated the role of CCR7 in the pathogenesis of collagen-induced arthritis (CIA). By using a novel anti-human CCR7 antibody and humanized CCR7 mice, we evaluated CCR7 as a target in this autoimmune model of rheumatoid arthritis (RA). Ccr7-deficient mice were completely resistant to CIA and presented severely impaired antibody responses to collagen II (CII). Selective CCR7 expression on dendritic cells restored arthritis severity and anti-CII antibody titers. Prophylactic and therapeutic treatment of humanized CCR7 mice with anti-human CCR7 mAb 8H3-16A12 led to complete resistance to CIA and halted CIA progression, respectively. Our data demonstrate that CCR7 signaling is essential for the induction of CIA and identify CCR7 as a potential therapeutic target in RA.
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Affiliation(s)
- Georgios L Moschovakis
- Institute of Immunology, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany.
| | - Anja Bubke
- Institute of Immunology, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany
| | - Michaela Friedrichsen
- Institute of Immunology, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany
| | - Jasmin Ristenpart
- Institute of Immunology, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany
| | | | - Christine S Falk
- Institute of Transplant Immunology, Integrated Research and Treatment Center Transplantation, IFB.Tx, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany
| | - Elisabeth Kremmer
- Helmholtz-Zentrum München, Institute of Molecular Immunology, D-81377, Munich, Germany.,Biozentrum Martinsried, Dept. Bio II., LMU München, Grosshaderner Str. 2, D-82152, Martinsried, Germany
| | - Reinhold Förster
- Institute of Immunology, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hannover, Germany.
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Mitra A, Kundu‐Raychaudhuri S, Abria C, Rona A, Chaudhari AJ, Raychaudhuri SP. In-vivo quantitative assessment of the therapeutic response in a mouse model of collagen-induced arthritis using 18 F-fluorodeoxyglucose positron emission tomography. Clin Exp Immunol 2017; 188:293-298. [PMID: 28090641 PMCID: PMC5383438 DOI: 10.1111/cei.12926] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/09/2017] [Indexed: 12/01/2022] Open
Abstract
Mouse collagen-induced arthritis (CIA) is the most commonly used animal model to investigate underlying pathogenesis of autoimmune arthritis and to demonstrate the therapeutic efficacy of novel drugs in autoimmune arthritis. The conventional read-outs of CIA are clinical score and histopathology, which have several limitations, including (i) subjected to observer bias; and (ii) longitudinal therapeutic efficacy of a new drug cannot be determined. Thus, a robust, non-invasive, in-vivo drug screening tool is currently an unmet need. Here we have assessed the utility of 18 F-fluorodeoxyglucose positron emission tomography (18 F-FDG) as an in-vivo screening tool for anti-inflammatory drugs using the mouse CIA model. The radiotracer 18 F-FDG and a PET scanner were employed to monitor CIA disease activity before and after murine anti-tumour necrosis factor (TNF)-α antibody (CNTO5048) therapy in the mouse CIA model. Radiotracer concentration was derived from PET images for individual limb joints and on a per-limb basis, and Spearman's correlation coefficient (ρ) was determined with clinical score and histology of the affected limbs. CNTO5048 improved arthritis efficiently, as evidenced by clinical score and histopathology. PET showed an increased uptake of 18 F-FDG with the progression of the disease and a significant decrease in the post-treatment group. 18 F-FDG uptake patterns showed a strong correlation with clinical score (ρ = 0·71, P < 0·05) and histopathology (ρ = 0·76, P < 0·05). This study demonstrates the potential of 18 F-FDG PET as a tool for in-vivo drug screening for inflammatory arthritis and to monitor the therapeutic effects in a longitudinal setting.
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Affiliation(s)
- A. Mitra
- Division of DermatologyUniversity of California Davis, School of MedicineSacramentoCAUSA
| | | | - C. Abria
- Veterans Affairs Medical CenterMatherCAUSA
| | - A. Rona
- Veterans Affairs Medical CenterMatherCAUSA
| | - A. J. Chaudhari
- Department of RadiologyUniversity of California Davis, School of MedicineSacramentoCAUSA
- Center for Molecular and Genomic ImagingUniversity of California DavisCAUSA
| | - S. P. Raychaudhuri
- Veterans Affairs Medical CenterMatherCAUSA
- Division of Rheumatology, Allergy and Clinical ImmunologyUniversity of California Davis, School of MedicineDavisCAUSA
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Kuhn C, Weiner HL. Therapeutic anti-CD3 monoclonal antibodies: from bench to bedside. Immunotherapy 2016; 8:889-906. [DOI: 10.2217/imt-2016-0049] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The induction of tolerance is a major goal of immunotherapy. Investigations over the last 20 years have shown that anti-CD3 monoclonal antibodies (mAbs) effectively treat autoimmune disease in animal models and have also shown promise in clinical trials. Tolerance induction by anti-CD3 mAbs is related to the induction of Tregs that control pathogenic autoimmune responses. Here, we review preclinical and clinical studies in which intravenous or mucosal administration of anti-CD3 mAbs has been employed and provide an outlook on future developments to enhance the efficacy of this promising therapeutic approach.
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Affiliation(s)
- Chantal Kuhn
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Howard L Weiner
- Ann Romney Center for Neurologic Diseases, Brigham & Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
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Combination therapy with TNFR-Fc and CTLA4-FasL using the recombinant adeno-associated virus potently suppresses adjuvant-induced arthritis in rats. Appl Microbiol Biotechnol 2015; 99:6327-37. [DOI: 10.1007/s00253-015-6459-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Revised: 02/01/2015] [Accepted: 02/03/2015] [Indexed: 10/24/2022]
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Abstract
PURPOSE OF REVIEW T lymphocytes are critical to the pathogenesis of systemic rheumatic diseases. Understanding of the roles of T cells in disease has been enriched by the description of highly distinct effector subsets of CD4 T lymphocytes. The purpose of this review is to describe selected advances in the biology of T lymphocytes that are pertinent to the pathogenesis or treatment of rheumatic diseases. RECENT FINDINGS Knowledge is expanding about not only pathogenic effector T cell subsets, such as the TH17 cells, but also of regulatory T cells (Treg), the functions of which are defective, but correctable, in several rheumatic diseases. Although the initial agent that demonstrated a role for T cells in rheumatoid arthritis was CTLA4-Ig (abatacept), use of this biologic is now expanding to other rheumatic diseases. Moreover, effects of other biologics are now understood to in part be mediated by effects on T cell subsets. Experimental model systems in rodents continue to be valuable testing grounds for future approaches to treatment of human disease. Meanwhile, the roles of effector T cell subsets are becoming clearer in conditions such as Sjogren's syndrome and scleroderma. Finally, rheumatic diseases, including rheumatoid arthritis and spondyloarthropathies, have been critical for identification of new innate-like T cell subsets. SUMMARY Imbalances in the numbers and functions of specific T cell subsets are key pathogenic derangements in systemic rheumatic diseases, and these insights are leading to changes in clinical practice.
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Zhang T, Bai X, Mao X. Systemic delivery of small interfering RNA targeting the interleukin-2/15 receptor β chain prevents disease progression in experimental arthritis. PLoS One 2013; 8:e78619. [PMID: 24223832 PMCID: PMC3818483 DOI: 10.1371/journal.pone.0078619] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 09/16/2013] [Indexed: 01/13/2023] Open
Abstract
The role of interleukin (IL)-15 in the pathogenesis of rheumatoid arthritis (RA) is well established; however, systemic knockdown of IL-15 receptor (IL-15R) for reduction in inflammation at local sites has not been demonstrated. In this study, the therapeutic effect of intravenously administered siRNA targeting the β chain of IL-15R which is shared by the receptor for IL-2 was examined in rats with adjuvant-induced arthritis (AA). Polyethylenimine (PEI)-complexed siRNA nanoparticles could easily accumulate in arthritic paws of AA rats. In the paws, the nanoparticles were avidly taken up by macrophages and to a lesser extent by T cells. Weekly administered IL-2/15Rβ siRNA polyplexes were capable of decreasing disease progression in AA rats, with striking inhibition of clinical, radiologic, and histologic features of RA. The observed therapeutic effect was associated with reduced expression of proinflammatory mediators in the inflamed joints. Thus, this study provides evidence that IL-2/15Rβ could be targeted for the treatment of RA.
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Affiliation(s)
- Tiantian Zhang
- Key Laboratory of Ministry of Education for Developmental Genes and Human Diseases, School of Life Sciences, Southeast University, Nanjing, China
| | - Xuehua Bai
- Key Laboratory of Ministry of Education for Developmental Genes and Human Diseases, School of Life Sciences, Southeast University, Nanjing, China
| | - Xiaohua Mao
- Key Laboratory of Ministry of Education for Developmental Genes and Human Diseases, School of Life Sciences, Southeast University, Nanjing, China
- Department of Biochemistry, School of Medicine, Southeast University, Nanjing, China
- * E-mail:
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Dépis F, Hatterer E, Ballet R, Daubeuf B, Cons L, Glatt S, Reith W, Kosco-Vilbois M, Dean Y. Characterization of a surrogate murine antibody to model anti-human CD3 therapies. MAbs 2013; 5:555-64. [PMID: 23751612 DOI: 10.4161/mabs.24736] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Fc-modified anti-human CD3ε monoclonal antibodies (mAbs) are in clinical development for the treatment of autoimmune diseases. These next generation mAbs have completed clinical trials in patients with type-1 diabetes and inflammatory bowel disease demonstrating a narrow therapeutic window. Lowered doses are ineffective, yet higher pharmacologically-active doses cause an undesirable level of adverse events. Thus, there is a critical need for a return to bench research to explore ways of improving clinical outcomes. Indeed, we recently reported that a short course of treatment affords synergy, providing long-term disease amelioration when combining anti-mouse CD3 and anti-mouse tumor necrosis factor mAbs in experimental arthritis. Such strategies may widen the window between risk and benefit; however, to more accurately assess experimentally the biology and pharmacology, reagents that mimic the current development candidates were required. Consequently, we engineered an Fc-modified anti-mouse CD3ε mAb, 2C11-Novi. Here, we report the functional characterization of 2C11-Novi demonstrating that it does not bind FcγR in vitro and elicits little cytokine release in vivo, while maintaining classical pharmacodynamic effects (CD3-TCR downregulation and T cell killing). Furthermore, we observed that oral administration of 2C11-Novi ameliorated progression of remitting-relapsing experimental autoimmune encephalitis in mice, significantly reducing the primary acute and subsequent relapse phase of the disease. With innovative approaches validated in two experimental models of human disease, 2C11-Novi represents a meaningful tool to conduct further mechanistic studies aiming at exploiting the immunoregulatory properties of Fc-modified anti-CD3 therapies via combination therapy using parenteral or oral routes of administration.
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Zhang W, Wang F, Yan J, Zhang X, Wang Y, Jiang Y, Wang L, Xu Y, Yu J. Design, expression and characterization of a novel coexpression system of two antiarthritic molecules. Appl Microbiol Biotechnol 2013; 97:6301-14. [PMID: 23463251 DOI: 10.1007/s00253-013-4787-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Revised: 02/14/2013] [Accepted: 02/17/2013] [Indexed: 11/30/2022]
Abstract
The complexity of rheumatoid arthritis (RA) pathogenesis makes combined blockade of multiple targets an attractive therapeutic strategy. The combination therapy with anti-TNF plus anti-T-cell has been mostly reported to provide greater efficacy than anti-TNF alone. TNFR (p75)-Fc fusion protein, which has been proven effective in clinics, is chosen as the TNF antagonist in this study. CTLA4-FasL fusion molecule, which has been well characterized in our previous studies for its suppressive effect in rat arthritis model, is chosen as the T-cell antagonist. In this study, furin cleavage site and 2A self-processing sequence were introduced to link upstream TNFR-Fc and downstream CTLA4-FasL and mediate separate coexpression of the two fusion proteins in a single recombinant adeno-associated virus (rAAV) vector. Using this expression system, we generated two fusion proteins with same size as their individual counterparts in vitro and in vivo, and the proteins desirably retained their parent biological activities. In vivo results demonstrated that furin-2A technology is able to regulate separate coexpression of these proteins under arthritic inflammatory conditions. This study describes a single rAAV vector for production of two antiarthritic molecules antagonizing both TNF and T cells, which may serve as an attractive expression system for RA gene therapy.
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Affiliation(s)
- Wei Zhang
- Department of Translational Medicine, Beijing Institute of Basic Medical Sciences, Beijing 100850, China.
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Choy EH, Kavanaugh AF, Jones SA. The problem of choice: current biologic agents and future prospects in RA. Nat Rev Rheumatol 2013; 9:154-63. [DOI: 10.1038/nrrheum.2013.8] [Citation(s) in RCA: 107] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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