Abstracts tagged "interferons"

Abstract Number: 2471 • 2015 ACR/ARHP Annual Meeting
Increased Muscle Interferon-Gamma Expression Levels in Juvenile Dermatomyositis
Gian Marco Moneta¹, Adele D'Amico², Margherita Verardo³, Denise Pires Marafon⁴, Luisa Bracci Laudiero⁵, Fabrizio De Benedetti⁶ and Rebecca Nicolai⁷, ¹Department Pediatric Medicine, Division of Rheumatology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy, ²Department of Neuroscience,, Unit of Neuromuscular and Neurodegenrative Disease, Bambino Gesù Children’s Hospital IRCCS, Rome, Italy, ³Department of Neuroscience, Unit of Neuromuscular and Neurodegenrative Disease, Bambino Gesù Children’s Hospital IRCCS, Rome, Italy, ⁴Pediatric Rheumatology, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy, ⁵Rheumatology Laboratory, Bambino Gesú Children Hospital, Rome, Italy, ⁶Pediatric Rheumatology, Bambino Gesù Children's Hospital, Rome, Italy, ⁷Department of Pediatric Medicine, Division of Rheumatology, Bambino Gesù Children’s Hospital, IRCCS, Rome, Italy
Background/Purpose : Juvenile dermatomyositis (JDM) is a rare autoimmune disorder characterized by muscle weakness, skin rashes and other systemic features. The immunopathogenesis of JDM is…
Abstract Number: 721 • 2015 ACR/ARHP Annual Meeting
Geographic Differences in Demographics, Clinical Characteristics, and Standard of Care in Multinational Studies of Patients with Moderate to Severe Systemic Lupus Erythematosus
Richard Furie¹, M Khamashta², L Wang³, J Drappa³, W Greth³ and G Illei³, ¹Division of Rheumatology, North Shore - LIJ Health System, New York, NY, ²Graham Hughes Lupus Research Laboratory, The Rayne Institute, St Thomas' Hospital, London, United Kingdom, ³MedImmune, Gaithersburg, MD
Background/Purpose: Most randomized controlled trials (RCTs) in systemic lupus erythematosus (SLE) include stratification factors to ensure a balanced allocation of subgroups that might respond differently…
Abstract Number: 2512 • 2015 ACR/ARHP Annual Meeting
Depot Medroxyprogesterone Acetate Birth Control May Suppress Toll-like Receptor 7-Induced Interferon-Alpha Production By Plasmacytoid Dendritic Cells in Women
Yuli McCann¹, Meredith Barnes¹ and Grant Hughes², ¹Medicine, University of Washington, Seattle, WA, ²Medicine/Rheumatology, University of Washington, Seattle, WA
Background/Purpose: Female sex steroids are important modulators of autoimmunity. Estrogen appears to favor the development of lupus autoimmunity via activation of adaptive and innate immune…
Abstract Number: 801 • 2015 ACR/ARHP Annual Meeting
Artesunate Modulates Atherosclerosis Related Factors through the Inhibition of STAT1
Xuebing Feng¹, Weiwei Chen², Lihui Xiao¹ and Lingyun Sun², ¹Department of Rheumatology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China, ²Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
Background/Purpose: While type I interferon (IFN) has been linked to atherosclerosis progression in systemic lupus erythematosus (SLE), little is known about its regulation and intervention.…
Abstract Number: 2934 • 2015 ACR/ARHP Annual Meeting
Endothelial Dysfunction in SLE-the Role of Platelets and Type I Interferon
Helena Tydén¹, Christian Lood², Birgitta Gullstrand³, Andreas Jönsen⁴ and Anders A. Bengtsson⁵, ¹Department of Clinical Sciences, Division of Rheumatology Lund University and Skane University Hospital Lund Sweden, Lund University, Lund, Sweden, ²Department of Clinical Sciences, Division of Rheumatology, Lund University and Skane University Hospital Lund Sweden, Lund University, Lund, Sweden, ³Department of Clinical Sciences, Division of Rheumatology Lund University and Skane University Hospital, Lund University, Lund, Sweden, ⁴Department of Rheumatology, Lund University Hospital, Lund, Sweden, ⁵Rheumatology, Inst of Clinical sciences, Lund, Sweden
Background/Purpose: Type I interferon (IFN) may affect endothelial progenitor cells leading to endothelial dysfunction in SLE. SLE patients have a type I IFN signature in…
Abstract Number: 802 • 2015 ACR/ARHP Annual Meeting
Identification of Cyclin-Dependent Kinase 1 As a Novel Regulator for Controlling Type I Interferon Signaling in Systemic Lupus Erythematosus
Lingling Wu¹, Bo Qu¹, Yuting Qin¹ and Nan Shen^1,2, ¹Shanghai Institute of Rheumatology,Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ²The Center for Autoimmune Genomics and Etiology (CAGE),Cincinnati Children’s Hospital Medical Center,Cincinnati, Ohio, United States of America, Cincinnati, OH
Background/Purpose: Type I interferon (IFN) signaling has been a central pathogenic pathway in systemic lupus erythematosus (SLE). The application of specific inhibitors of IFN pathway has emerged…
Abstract Number: 3220 • 2015 ACR/ARHP Annual Meeting
Anifrolumab Differentially Suppresses Peripheral Biomarkers of Systemic Lupus Erythematosus Compared with Placebo in a Phase IIb Trial
Xiang Guo¹, L Wang², G Illei³, P Brohawn¹, Brandon Higgs¹ and Wendy White¹, ¹Translational Sciences, MedImmune, LLC, Gaithersburg, MD, ²MedImmune, Gaithersburg, MD, ³Clinical Development, MedImmune, LLC, Gaithersburg, MD
Background/Purpose: Anifrolumab is a fully human IgG1 κ monoclonal antibody directed against subunit 1 of the type I interferon receptor (IFNAR1). A Phase IIb randomized,…
Abstract Number: 807 • 2015 ACR/ARHP Annual Meeting
High Levels of Serum IFN-Alpha Mark a Subgroup of SLE Patients with Distinct Immunophenotypic Features and Hyperresponsiveness to Toll-like Receptor Stimulation
Uma Thanarajasingam¹, Mark A. Jensen², Jessica M. Dorschner³ and Timothy B. Niewold³, ¹Division of Rheumatology, Mayo Clinic, Rochester, MN, ²Divsion of Rheumatology and Department of Immunology, Mayo Clinic, Rochester, MN, ³Division of Rheumatology and Department of Immunology, Mayo Clinic, Rochester, MN
Background/Purpose: IFN-alpha is a pathogenic factor in SLE. High serum interferon activity (IFN-high) marks a subgroup of SLE patients strongly associated with increased disease severity…
Abstract Number: 3223 • 2015 ACR/ARHP Annual Meeting
Anifrolumab, an Anti-Interferon Alpha Receptor Monoclonal Antibody, in Moderate to Severe Systemic Lupus Erythematosus (SLE)
Richard Furie¹, JT Merrill², VP Werth^3,4, M Khamashta⁵, K Kalunian⁶, P Brohawn⁷, G Illei⁷, J Drappa⁷, L Wang⁷ and S Yoo⁸, ¹North Shore-LIJ Health System, New York, NY, ²Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Philadelphia V.A. Medical Center, Philidelphia, PA, ⁴University of Pennsylvania, Philadelphia, PA, ⁵Graham Hughes Lupus Research Laboratory, The Rayne Institute, St Thomas' Hospital, London, United Kingdom, ⁶UCSD School of Medicine, La Jolla, CA, ⁷MedImmune, Gaithersburg, MD, ⁸Regenx Bio, Rockville, MD
Background/Purpose: The efficacy and safety of anifrolumab (ANIFR), a type I IFN receptor antagonist, were assessed in a Phase II, randomized, double-blind, placebo-controlled study in…
Abstract Number: 992 • 2015 ACR/ARHP Annual Meeting
Therapeutic Targeting of CD4+ T Cell Metabolism in Murine Models of Lupus
Laurence Morel¹, Seung-Chul Choi², Zhiwei Xu², Elisabeth Adkins³, Byron Croker² and Derry Roopenian³, ¹Pathology, Immunology, and Laboratory Medicine, University of Florida, Gainesville, FL, ²University of Florida, Gainesville, FL, ³The Jackson Laboratory, Bar Harbor, ME
Background/Purpose: Cellular metabolism controls T cell functions, with TCR-mediated activation enhancing metabolism, and substrate utilization modulating effector functions. Autoreactive CD4 T cells are key effectors…
Abstract Number: 3259 • 2015 ACR/ARHP Annual Meeting
Immunoablation Followed By Autologous Stem Cell Transplantation in Systemic Sclerosis Patients Decreases Significantly the Interferon Signatrue
Shervin Assassi¹, Maureen D Mayes¹, Claudia Pedroza², Jeffrey T. Chang², Daniel E. Furst³, Leslie J. Crofford⁴, Richard Nash⁵, Peter McSweeney⁵, Mary Ellen Csuka⁶, Ellen Goldmuntz⁷, Lynette Keyes-Elstein⁸, Paul Wallace⁹ and Keith Sullivan¹⁰, ¹Rheumatology, University of Texas Medical School at Houston, Houston, TX, ²University of Texas Medical School at Houston, Houston, TX, ³Medicine, University of California, Los Angeles, David Geffen School of Medicine, Los Angeles, CA, ⁴Medicine, Vanderbilt University, Nashville, TN, ⁵Colorado Blood Cancer Institute, Denver, CO, ⁶Rheum/Med Coll of Wisconsin, Med Coll of Wisconsin, Milwaukee, WI, ⁷NIAID, National Institutes of Health, Bethesda, MD, ⁸Rho Federal Systems, Inc., Chapel Hill, NC, ⁹Roswell Park, Buffalo, NY, ¹⁰Duke University, Durham, NC
Background/Purpose: Previous clinical trials have suggested that immunoablation followed by autologous hematopoietic cell transplantation (HCT) can lead to clinical improvements in systemic sclerosis (SSc). However,…
Abstract Number: 1015 • 2015 ACR/ARHP Annual Meeting
Contribution of TNF and Type I Interferon to the Development of Persistent Post-Inflammatory Mechanical Allodynia in Arthritic Mice
Sarah Woller¹, Cody Ocheltree², Tony Yaksh¹ and Maripat Corr², ¹Anesthesiology, UCSD, La Jolla, CA, ²Division of Rheumatology, Allergy, and Immunology, UCSD, La Jolla, CA
Background/Purpose: Male C57Bl/6 (WT) mice develop transient inflammation in response to K/BxN serum transfer and show a corresponding pain state, which persists beyond the resolution…
Abstract Number: 1021 • 2015 ACR/ARHP Annual Meeting
Nucleic Acids Sensing Receptors RIG-I and MDA5 As Potential Amplifiers of the Interferon Signature in Childhood Onset Systemic Lupus Erythematosus
Naomi I Maria¹, M. Javad Wahadat¹, Cornelia G. van Helden-Meeuwsen¹, Annette van Dijk-Hummelman², Radboud JEM Dolhain³, Sylvia Kamphuis² and Marjan A. Versnel¹, ¹Immunology, Erasmus Medical Center, Rotterdam, Netherlands, ²Pediatric Rheumatology, Eramus MC Sophia Children's Hospital, Rotterdam, Netherlands, ³Rheumatology, Erasmus Medical Center, Rotterdam, Netherlands
Background/Purpose: Defective or sustained activation of Interferon (IFN) signaling has been associated with enhanced susceptibility to systemic lupus erythematosus (SLE). The cytosolic RIG-I-like receptors (RLRs),…
Abstract Number: 1098 • 2015 ACR/ARHP Annual Meeting
Interleukin-1 Reciprocally Regulates Interferon-Gamma Induced B Cell Activating Factor of the Tumor Necrosis Factor Family (BAFF) and Interleukin-6 in Human Synovial Fibroblasts
Georg Pongratz¹, Rainer Straub² and Torsten Lowin³, ¹Rheumatology - Hiller Research Center Rheumatology, University Hospital Düsseldorf, Düsseldorf, Germany, ²Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine, University Hospital Regensburg, Regensburg, Germany, ³Internal Medicine I, University Hospital Regensburg, Regensburg, Germany
Background/Purpose: B cell activating factor of the tumor necrosis factor family (BAFF) and interleukin-6 (IL-6) are cytokines important for the stimulation and survival of autoreactive…
Abstract Number: 1251 • 2015 ACR/ARHP Annual Meeting
Physiological Evidence for Diversification of the IFNα- or IFNβ-Mediated Response Programs in Different Autoimmune Diseases
Tamarah D. de Jong¹, Saskia Vosslamber¹, Elise Mantel¹, Sander de Ridder¹, John G. Wesseling¹, Tineke C.T.M. van der Pouw Kraan², Joep Killestein³, Ingrid E. Lundberg⁴, Jiri Vencovsky^5,6, Irene E.M. Bultink⁷, Alexandre E. Voskuyl⁸, Michiel Pegtel¹, Conny J. van der Laken⁹, Johannes W. Bijlsma⁸ and Cornelis L. Verweij¹, ¹Pathology, VU University medical center, Amsterdam, Netherlands, ²Molecular Cell Biology and Immunology, VU University medical center, Amsterdam, Netherlands, ³Neurology, VU University medical center, Amsterdam, Netherlands, ⁴Rheumatology Unit, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden, ⁵Rheumatology, Institute of Rheumatology and Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, ⁶Institute of Rheumatology and Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, Prague, Czech Republic, ⁷Amsterdam Rheumatology and immunology Center, location VU University medical center, Amsterdam, Netherlands, ⁸Rheumatology, Amsterdam Rheumatology and immunology Center, location VU University medical center, Amsterdam, Netherlands, ⁹Rheumatology, VU University medical center, Amsterdam, Netherlands
Background/Purpose: Presence of a type I interferon (IFN) signature is described for several autoimmune diseases, including systemic lupus erythematosus (SLE), multiple sclerosis (MS), myositis (IIM)…

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