Abstracts tagged "autoantibodies"

Abstract Number: 209 • 2015 ACR/ARHP Annual Meeting
Different Autoimmune Rheumatic Diease IgG Have Differential Effects upon Neutrophil Binding, Activation and Neutrophil Extracellular Trap Formation
Akif A. Khawaja^1,2, Charis Pericleous³, Vera M. Ripoll², Joanna C. Porter⁴ and Ian Giles⁵, ¹Centre for Inflammation and Tissue Repair, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom, ²Centre for Rheumatology, Division of Medicine, Centre for Rheumatology, University College London, London, United Kingdom, ³Rayne Institute, Centre for Rheumatology Research, UCL Division of Medicine, London, United Kingdom, ⁴Centre for Inflammation and Tissue Repair, Division of Medicine, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom, ⁵Rayne Intitiute, Centre for Rheumatology Research, UCL Division of Medicine, London, United Kingdom
Background/Purpose: Dysregulation of neutrophil activation and function is important in the pathogenesis of various inflammatory and autoimmune rheumatic diseases (ARDs). Neutrophil dysfunction is well recognised…
Abstract Number: 1111 • 2015 ACR/ARHP Annual Meeting
Relapse of Lupus after B-Cell Depletion Therapy Is Associated with Loss of Apoptotic Cell Clearance and Elevated Type I Interferon Responses in Lupus Prone BXD2
Hui-Chen Hsu^1,2, Zhaoqi Yan³, PingAr Yang², Qi Wu^1,2, Jennie Hamilton⁴, Jun Li⁵, Hao Li⁶, Bao Luo⁶, Laurie Harrington³ and John Mountz⁷, ¹Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, ²Department of Medicine, Clinical Immunology & Rheumatology, University of Alabama at Birmingham, Birmingham, AL, ³Cell, Developmntl & Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, ⁴University of Alabama at Birmingham, Birmingham, AL, ⁵Medicine, University of Alabama at Birmingham, Birmingham, AL, ⁶Division of Clinical Immunology and Rheumatology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, ⁷Dept of Med/Rheumatology Div, University of Alabama at Birmingham and Birmingham VA Medical Center, Birmingham, AL
Background/Purpose: B-cell depletion therapy (BCDT) is a promising therapy for autoimmune diseases but relapse can occur. In rheumatoid arthritis, patients who did not respond well…
Abstract Number: 1870 • 2015 ACR/ARHP Annual Meeting
A Lupus-Associated Variant in Purine Nucleoside Phosphorylase (PNP) Causes Cell Cycle Abnormalities
Yogita Ghodke-Puranik¹, Jessica M. Dorschner¹, Danielle Vsetecka¹, Shreyasee Amin², Ashima Makol³, Floranne C. Ernste², Thomas Osborn², Kevin Moder², Vaidehi Chowdhary⁴, Mark A. Jensen⁵ and Timothy B. Niewold¹, ¹Division of Rheumatology and Department of Immunology, Mayo Clinic, Rochester, MN, ²Division of Rheumatology, Mayo Clinic, Rochester, MN, ³Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, ⁴Rheumatology, Mayo Clinic, Rochester, MN, ⁵Divsion of Rheumatology and Department of Immunology, Mayo Clinic, Rochester, MN
Background/Purpose: Systemic lupus erythematosus (SLE) is a multi-system, autoimmune disease characterized by autoantibodies to nucleic acids and nucleosomal proteins. The type I interferon pathway is…
Abstract Number: 2785 • 2015 ACR/ARHP Annual Meeting
Association of Anti-Glutamate Receptor Subunit NR2 Antibody and Psychiatric Disorder in Patients with Primary Sjögren Syndrome
Yoshiyuki Arinuma^1,2, Yuko Sakuma³, Eisuke Ogawa², Tatsuhiko Wada⁴, Tatsuo Nagai², Sumiaki Tanaka² and Shunsei Hirohata², ¹Center for Autoimmune and Musculoskeletal Diseases, The Feinstein Institute for Medical Research, Manhasset, NY, ²Rheumatology and Infectious Diseases, Kitasato University School of Medicine, Kanagawa, Japan, ³Department of Rheumatology and Infectious Diseases, Kitasato University School of Medicine, Kanagawa, Japan, ⁴Department of Rheumatology and Infectious Diseases, Kitasato University School of Medicine, Sagamihara, Japan
Background/Purpose: Sjögren syndrome (SjS) is one of the autoimmune disease characterized by the production of autoantibodies. Patients with SjS frequently observe psychiatric manifestation such as…
Abstract Number: 3000 • 2014 ACR/ARHP Annual Meeting
Comparison of Systemic Sclerosis Subsets As Predictors of Mortality and Morbidity
Hebah Alhajeri¹, Marie Hudson^2,3, Canadian Scleroderma Research Group CSRG⁴ and Murray Baron⁵, ¹Rheumatology, McGill University, Montreal, QC, Canada, ²Rheumatology, Lady David Institute for Medical Research and Jewish General Hospital, Montreal, QC, Canada, ³Division of Rheumatology, McGill University, Montreal, QC, Canada, ⁴McGill University, Montreal, QC, Canada, ⁵Pavillion A, Rm 216, Lady David Institute for Medical Research and Jewish General Hospital, Montreal, QC, Canada
Background/Purpose: Identifying systemic sclerosis (SSc) subsets that predict mortality and morbidity could provide useful prognostic information. We undertook this study to compare the predictive ability…
Abstract Number: 1730 • 2014 ACR/ARHP Annual Meeting
Identification of Novel Scleroderma –associated Antigens and Development of an Autoantibody Assay Panel Enabling Their Subsequent Validation
Hans-Dieter Zucht¹, Petra Budde¹, Peter Schulz-Knappe¹, Nicolas Hunzelmann², Karsten Conrad³ and Prof. Dr. Matthias Schneider⁴, ¹Protagen AG, Dortmund, Germany, ²Department of Dermatology, University of Cologne, Cologne, Germany, ³Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany, ⁴Department of Rheumatology, Univ. Duesseldorf, Duesseldorf, Germany
Background/Purpose: Scleroderma (systemic sclerosis or SSc) has a highly variable clinical presentation and course resulting in difficulties for disease management. When SSc is suspected, autoantibodies…
Abstract Number: 984 • 2014 ACR/ARHP Annual Meeting
Apolipoprotein B Is a Target of T and B Cell Responses in a Subgroup of Patients with Lyme Disease
Jameson T. Crowley¹, Elise E. Drouin², Qi Wang³, Gail McHugh⁴, Catherine E. Costello³ and Allen C. Steere⁵, ¹Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, ²Medicine, Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, ³Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA, ⁴Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Boston, MA, ⁵Medicine, Center for Immunolgy and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA
Background/Purpose Borrelia burgdorferi-induced autoimmunity in affected joints has been hypothesized to be a contributing factor to antibiotic-refractory Lyme arthritis (ARLA). Our prior study, which combined…
Abstract Number: 2985 • 2014 ACR/ARHP Annual Meeting
Autoantibodies to 14-3-3η Are Novel Biomarkers Associated with Inflammation and Radiographic Progression in Ankylosing Spondylitis
Walter P. Maksymowych¹, Stephanie Wichuk¹, RG Lambert², Mairead Murphy³ and Anthony Marotta⁴, ¹Medicine, University of Alberta, Edmonton, AB, Canada, ²Radiology, University of Alberta, Edmonton, AB, Canada, ³Augurex Life Sciences Corp., North Vancouver, BC, Canada, ⁴1423 Dempsey Road, Augurex Life Sciences Corp., North Vancouver, BC, Canada
Background/Purpose 14-3-3η is a ubiquitous intracellular chaperone protein that is expressed extracellularly in rheumatoid arthritis and mediates inflammatory cascades that result in expression of inflammatory…
Abstract Number: 1708 • 2014 ACR/ARHP Annual Meeting
The Pathogenic Role of Immune Complexes Containing Scleroderma-Specific Autoantibodies in the Inductor Phase of the Disease
Cecilia B. Chighizola¹, Elena Raschi², Laura Cesana², Silvana Zeni³, Maria Orietta Borghi⁴ and Pier Luigi Meroni^5,6, ¹Rheumatology, Istituto Auxologico Italiano, University of Milan, Cusano Milanino, Italy, ²Istituto Auxologico Italiano, Milan, Italy, ³Division of Rheumatology, Istituto G. Pini, Milano, Italy, ⁴Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy, ⁵Department of Clinical Sciences and Community Health, Division of Rheumatology, Istituto G. Pini, Milan, Italy, ⁶Chair and Division of Rheumatology, Gaetano Pini Institute, University of Milan, Milan, Italy
Background/Purpose: Systemic sclerosis (SSc) is a chronic autoimmune condition characterized by excessive tissue fibrosis, microvascular alterations and immune dysfunction with the production of peculiar autoantibodies.…
Abstract Number: 982 • 2014 ACR/ARHP Annual Meeting
Identification of Potential SERUM Autoantibody Biomarkers in Rheumatic Diseases Using a New Generation of Protein Arrays
Lucia Lourido¹, Juan Fernandez-Tajes¹, Valentina Calamia¹, Carolina Fernandez-Costa^1,2, Beatriz Rocha¹, Patricia Fernandez-Puente¹, Jesus Mateos¹, Carlos Fernandez-Lopez¹, Natividad Oreiro-Villar¹, Manuel Fuentes³, Francisco J. Blanco Garcia¹ and Cristina Ruiz-Romero¹, ¹Grupo de Proteomica-PBR2-ProteoRed/ISCIII-Servicio de Reumatologia. Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas. Universidade da Coruña (UDC). As Xubias, 15006., A Coruña, Spain, ²Grupo de Proteomica-PBR2-ProteoRed/ISCIII-Servicio de Reumatologia. Instituto de Investigación Biomédica de A Coruña (INIBIC), Complexo Hospitalario Universitario de A Coruña (CHUAC), Sergas. Universidade da Coruña (UDC). As Xubias, 15006., A coruña, Spain, ³Centro de Investigación del Cáncer/IBMCC (USAL/CIC), IBSAL, Departamento de Medicina, Unidad de Proteomica Servicio general de Citometría, Universidad de Salamanca, Salamanca, SPAIN., Salamanca, Spain
Background/Purpose Osteoarthritis (OA) is characterized by the loss of structural components from the extracelullar matrix (ECM) of articular cartilage. The progressive release of proteins from…
Abstract Number: 2991 • 2014 ACR/ARHP Annual Meeting
Anti-Ribosomal P Antibody Is a Key Autoantibody Associated with Complications of NP-SLE with High-Levels of CSF IL-8
Hidenaga Kawasumi¹, Takahisa Gono¹, Yasushi Kawaguchi¹, Yasuhiro Katsumata¹, Hisae Ichida¹, Akiko Tochimoto¹, Masanori Hanaoka¹, Yuko Okamoto¹, Sayuri Kataoka¹ and Hisashi Yamanaka², ¹Institute of Rheumatology, Tokyo Women's Medical University, Tokyo, Japan, ²Institute of Rheumatology, Tokyo Women’s Medical University, Tokyo, Japan
Background/Purpose: Complications of neuropsychiatric systemic lupus erythematosus (NP-SLE) are associated with the morbidity and mortality of patients with SLE. Although the detailed pathophysiology of NP-SLE…
Abstract Number: 1692 • 2014 ACR/ARHP Annual Meeting
The Additive Value of Nailfold Videocapillaroscopy Patterns to Disease-Specific Autoantibodies in Discrimination of Patients with Systemic Sclerosis at Risk for Severe Organ Involvement
I.M. Markusse¹, J. Meijs², B. de Boer², A. a. Schouffoer¹, N. Ajmone Marsan³, L. J. M. Kroft⁴, M. K. Ninaber⁵, T. W. J. Huizinga² and J.K. de Vries-Bouwstra⁶, ¹Leiden University Medical Center, Leiden, Netherlands, ²Rheumatology, Leiden University Medical Center, Leiden, Netherlands, ³Cardiology, Leiden University Medical Center, Leiden, Netherlands, ⁴Deparment of Radiology, Leiden University Medical Center, Leiden, Netherlands, ⁵Pulmonology, Leiden University Medical Center, Leiden, Netherlands, ⁶Department of Rheumatology, Leiden University Medical Center, Leiden, Netherlands
Background/Purpose: Severe nailfold videocapillaroscopy (NVC) patterns in patients with systemic sclerosis (SSc) are associated with a high risk of organ involvement. SSc-specific autoantibodies seem to…
Abstract Number: 914 • 2014 ACR/ARHP Annual Meeting
A Predictive Model of Disease Outcome in Rituximab-Treated Myositis Patients Using Clinical Features, Autoantibodies, and Serum Biomarkers
Jeannette Olazagasti¹, Cynthia S. Crowson², Molly S. Hein¹, Consuelo Lopez de Padilla¹, Rohit Aggarwal³, Chester V. Oddis⁴ and Ann M. Reed¹, ¹Rheumatology, Mayo Clinic, Rochester, MN, ²Health Sciences Research, Mayo Clinic, Rochester, MN, ³Medicine, University of Pittsburgh, Pittsburgh, PA, ⁴Rheum/Clinical Immunology, University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Develop predictive models of early (8 week) and late (24 week) disease outcomes using clinical features, autoantibodies, and serum biomarkers in patients with refractory…
Abstract Number: 2908 • 2014 ACR/ARHP Annual Meeting
Flip Deficiency in Dendritic Cells Promotes Spontaneous Arthritis Mediated By Reduced Treg and Increased Autoreactive CD4⁺t Cells
Qiquan Huang¹, Harris R. Perlman², Robert Birkett³, Renee E. Doyle⁴, Deyu Fang⁵, G Kenneth.Haines⁶, William H. Robinson⁷, Syamal K. Datta⁸, Hyewon Phee⁹ and Richard M. Pope¹⁰, ¹Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, ²Northwestern University Feinberg School of Medicine, Chicago, IL, ³Division of Rheumatology, Department od Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, ⁴Medicine/Rheumatology, Northwestern University Feinberg School of Medicine, Chicago, IL, ⁵Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL, ⁶Mount Sinai Hospital School of Medicine, New York, New York, NY, ⁷VA Palo Alto Health Care System and Stanford University, Palo Alto, CA, ⁸Rheumatology Division, Northwestern University Feinberg School of Medicine, Chicago, IL, ⁹Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, ¹⁰Rheumatology, Northwestern University Feinberg school of Medicine, Chicago, IL
Background/Purpose Flip (CFLAR) has been identified as a rheumatoid arthritis (RA) risk allele and is important in preventing death receptor mediated apoptosis of dendritic cells…
Abstract Number: 1645 • 2014 ACR/ARHP Annual Meeting
Interferon Gene Signature Expression and Serological Differences in Japanese and Non-Japanese SLE Patients
Hitoshi Kohsaka¹, Kosuke Kotani², Tomonori Ishii³, Tomoya Miyamura⁴, Masato Okada⁵, Toshihiko Aranishi², R. Maciuca⁶, William P. Kennedy⁶ and Junko Ohata², ¹Department of Rheumatology, Graduate School of Medical and Dental Sciences,, Tokyo Medical and Dental University (TMDU), Tokyo, Japan, ²Chugai Pharmaceutical co., ltd, Tokyo, Japan, ³Department of Hematology and Rheumatology, Tohoku University, Sendai, Japan, ⁴Department of Internal Medicine and Rheumatology, Clinical Research Institute, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan, ⁵Immuno-Rheumatology Center, St. Luke's International Hospital, Tokyo, Japan, ⁶Genentech, Inc, South San Francisco, CA
Background/Purpose: Elevated expression of interferon(IFN)-regulated genes in peripheral blood cells has been reported in systemic lupus erythematosus (SLE) patients and is known as the IFN…

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