Abstracts tagged "autoantibodies"

Abstract Number: 65 • 2017 ACR/ARHP Annual Meeting
RA-Associated Antibodies Targeting Post Translational Modification Have Different Osteoclastogenetic Potential
Akilan Krishnamurthy¹, Johanna Steen², Caroline Grönwall³, Gustaf Wigerblad⁴, Camilla Svensson^5,6, Heidi Wähämaa¹, Vivianne Malmström¹, Bence Rethi¹ and Anca I. Catrina¹, ¹Rheumatology Unit, Department of Medicine, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden, ²Dept. of Medicine, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, ³Dep. of Medicine, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, ⁴Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden, ⁵Dept. of Physiology & Pharmacology, Karolinska Institutet, Stockholm, Sweden, ⁶Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
Background/Purpose: Some but not all antibodies against citrullinated modified proteins (ACPA) promote osteoclastogenesis and bone destruction in vitro and in vivo. We aimed to investigate…
Abstract Number: 949 • 2017 ACR/ARHP Annual Meeting
Sequence Homology and Immune Reactivity between T Cell Epitopes of Related Gut Microbes and Two Novel Autoantigens Provide a Link between Microbial and Host Immunity in Patients with Rheumatoid Arthritis
Annalisa Pianta¹, Sheila Arvikar², Klemen Strle³, Elise E. Drouin¹, Qi Wang⁴, Catherine E. Costello⁴ and Allen C. Steere⁵, ¹Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA, ²Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, BOSTON, MA, ³Department of Immunology and Inflammatory Diseases, Massachusetts General Hospital, BOSTON, MA, ⁴Center for Biomedical Mass Spectrometry, Boston University School of Medicine, Boston, MA, ⁵Center for Immunolgy and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA
Background/Purpose: It has been proposed that immunological triggers at mucosal sites, such as the gut microbiota, may promote autoimmunity affecting joints in patients with rheumatoid…
Abstract Number: 1999 • 2017 ACR/ARHP Annual Meeting
Magnetic Resonance Imaging of Skeletal Muscles in Patients with Dermatomyositis and Polymyositis: Novel and Distinctive Characteristic Findings
Taro Ukichi¹, Ken Yoshida¹, Satoshi Matsushima², Go Kawakami², Kentaro Noda¹, Kazuhiro Furuya¹ and Daitaro Kurosaka¹, ¹Division of Rheumatology, Department of Internal Medicine, Jikei University School of Medicine, Tokyo, Japan, ²Department of Radiology, Jikei University School of Medicine, Tokyo, Japan
Background/Purpose: Radiological studies to distinguish between dermatomyositis (DM) and polymyositis (PM) are few. We predicted that the magnetic resonance imaging (MRI) findings of skeletal muscle…
Abstract Number: 2871 • 2017 ACR/ARHP Annual Meeting
Anti-RA33 (hnRNP-A2/B1) Autoantibodies Are Associated with the Therapeutic Response to Methotrexate and Anti-TNF Treatment in Patients with Rheumatoid Arthritis
Daniela Sieghart¹, Paul Studenic¹, Farideh Alasti², Daniel Aletaha³, Josef S. Smolen¹ and Günter Steiner², ¹Medical University Vienna, Division of Rheumatology, Department of Internal Medicine III, Vienna, Austria, ²Rheumatology, Medical University of Vienna, Vienna, Austria, ³Department of Medicine III, Division of Rheumatology, Medical University of Vienna, Vienna, Austria
Background/Purpose: Besides the determination of rheumatoid factor (RF) and anti-citrullinated protein antibodies (ACPA), anti-RA33 antibodies (which are directed to the nuclear antigen hnRNP-A2/B1) could be…
Abstract Number: 84 • 2017 ACR/ARHP Annual Meeting
Physiological Autoantibodies Against the Endthelin Receptor Type-a Are Critically Involved in the Homeostasis of Immune Cells
Otávio Cabral-Marques¹, Harald Heidecke², Frank Petersen³, Xinhua Yu⁴ and Gabriela Riemekasten⁵, ¹Department of Rheumatology, Vasculitis Center UKSH, University of Lübeck, Luebeck, Germany, ²CellTrend GmbH Luckenwalde, Luckenwalde, Germany, ³Research Centre Borstel, Borstel, Germany, ⁴Lung Centre Borstel, a Leibniz institute, Borstel, Germany, ⁵Department of Rheumatology, Universitatsklinikum Schleswig-Holstein, Lubeck, Germany
Background/Purpose: G protein-coupled receptors (GPCRs) are a family of integral membrane proteins mediating cell trafficking and cellular homeostasis. In the last decades, several functional autoantibodies…
Abstract Number: 968 • 2017 ACR/ARHP Annual Meeting
Mononuclear Phagocytes Mediate Systemic Autoimmune Disease-Related Valvular Heart Disease Via Inflammatory Cytokine Production and Recruitment of Tissue-Reparative macrophages
Lee Meier¹, Jennifer L. Auger², Brianna J. Engelson³, Hannah Cowan³, Elise Breed⁴, Mayra Gonzalez-Torres⁵, Joshua Boyer⁶ and Bryce A. Binstadt⁷, ¹Peadiatrics, University of Minnesota, Minneapols, MN, ²Center for Immunology and Department of Pediatrics, University of Minnesota, Minneapolis, MN, ³Pediatrics, University of Minnesota, Minneapolis, MN, ⁴University of Minnesota Medical School, Minneapolis, MN, ⁵University of Puerto Rico, Ponce, Puerto Rico, ⁶University of California, San Diego, San Diego, CA, ⁷remove this, remove this, remove this, MN
Background/Purpose:Cardiovascular comorbidity is significant in patients with systemic autoimmune diseases including rheumatoid arthritis and systemic lupus erythematosus . T cell receptor transgenic K/B.g7 mice develop…
Abstract Number: 2121 • 2017 ACR/ARHP Annual Meeting
Autoantibodies As Biomarkers for the Identification of Pre-Clinical Stages of Autoimmune Diseases: Demonstration of Inflammatory and Fibrotic Activity in the Liver of Asymptomatic and Biochemically Normal Individuals with Anti-Mitochondria Antibodies
Danielle Baldo¹, Alessandra Dellavance¹, Maria Lucia Ferraz² and Luis Eduardo C. Andrade^3,4, ¹Research and Development Department, Fleury Medicine and Health Laboratories, São Paulo, Brazil, ²Gastroenterology Division, Escola Paulista de Medicina, Universidade Federal de Sao Paulo, Sao Paulo, Brazil, ³Rheumatology Division, Universidade Federal de São Paulo, São Paulo, Brazil, ⁴Immunology Division, Fleury Medicine and Health, São Paulo, Brazil
Background/Purpose: Circulating autoantibodies precede clinical onset of several autoimmune diseases. The characteristics of the so-called pre-clinical stage of autoimmune diseases are poorly understood. Anti-mitochondria autoantibodies…
Abstract Number: 2876 • 2017 ACR/ARHP Annual Meeting
Analysis of Autoantibody Reactivity to the Complete Human Peptidome By Phage Immunoprecipitation Sequencing Does Not Identify a Predominant Novel Autoantibody in Sjogren’s Syndrome
Tiezheng Yuan¹, Michelle Petri², Alan N. Baer³ and H. Benjamin Larman¹, ¹Pathology (Immunology), Johns Hopkins University School of Medicine, Baltimore, MD, ²Medicine (Rheumatology), Division of Rheumatology, Johns Hopkins University School of Medicine, MD, USA, Baltimore, MD, ³Medicine (Rheumatology), Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: An unbiased and comprehensive approach to the analysis of Sjögren’s syndrome (SS) antibody repertoires would provide important data on its pathogenesis. Phage ImmunoPrecipitation sequencing…
Abstract Number: 404 • 2017 ACR/ARHP Annual Meeting
Gut Microbiota Modify Inflammatory Arthritis through Autoantibody Generation and Mucosal Cytokines Alteration
Widian Jubair¹, Sumitra Adhikari², Nirmal Banda² and Kristine Kuhn³, ¹Rheumatology, University of Colorado, Aurora, CO, ²Division of Rheumatology, UC Denver School of Medicine, Denver, CO, ³Division of Rheumatology, University of Colorado School of Medicine, Aurora, CO
Background/Purpose: The pathogenesis of rheumatoid arthritis (RA) is thought to be influenced by a combination of genetic and environmental factors. Observations of microbial dysbiosis in…
Abstract Number: 1023 • 2017 ACR/ARHP Annual Meeting
The Autoimmune Discovery Ichip Distinguishes Healthy Individuals (HC) from Those with SLE, Rheumatoid Arthritis (RA), Scleroderma (SSc), Sjogren’s Syndrome (SS), and the Anti-Phospholipid Syndrome (APS)
Chaim Putterman¹, Armando Gabrielli², Alexandra Balbir-Gurman³, Pennina Safer⁴, Keren Jakobi-Brook⁴, Rachel Sorek⁴, Ilana Gluzman⁴, Steve Wallace⁵ and Irun R. Cohen^4,6, ¹Division of Rheumatology, Albert Einstein College of Medicine, Bronx, NY, USA, Bronx, NY, ²Istituto di Clinica Medica dell'Università di Ancona, Ancona, Italy, Ancona, Italy, ³Rheumatology Unit, Rambam Health Care Campus, Rappaport Faculty of Medicine, Technion, Haifa, Israel, Haifa, Israel, ⁴ImmunArray Ltd., Rehovot, Israel, Rehovot, Israel, ⁵ImmunArray Inc., VA, USA, Richmond, VA, ⁶Weizmann Institute of Science, Rehovot, Israel, Rehovot, Israel
Background/Purpose: Current serological tests are not sufficiently accurate in differentiating between HC and those with autoimmune rheumatic diseases. We developed the iCHIP antigen microarray to…
Abstract Number: 2131 • 2017 ACR/ARHP Annual Meeting
Longitudinal Cohort Study of Anti-PM/Scl Myositis Patients: Mild Muscle and Lung Involvement with Prominent Perivascular Inflammation
Rebecca De Lorenzo¹, Iago Pinal-Fernandez², Maria Casal-Dominguez², Wilson Huang², Jose Cesar Milisenda¹, Cassie Parks², Katherine Pak³, Cheilonda Johnson⁴, Eleni Tiniakou⁵, Jemima Albayda⁶, Julie J. Paik⁶, Sonye K. Danoff⁷, Lisa Christopher-Stine⁷, Andrea Corse⁸ and Andrew Mammen^3,9, ¹Muscle Disease Unit, NIAMS, NIH, Bethesda, MD, ²NIAMS, NIH, Bethesda, MD, ³National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ⁴Medicine/Pulmonology, Johns Hopkins University School of Medicine, Baltimore, MD, ⁵Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ⁶Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, ⁷Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, ⁸Neurology, Johns Hopkins University, Baltimore, MD, ⁹Neurology, Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: To describe the clinical and serologic features, as well as the disease course and response to therapy of anti-PM/Scl patients. Methods: All Johns Hopkins…
Abstract Number: 2974 • 2017 ACR/ARHP Annual Meeting
B Cell Binding Autoreactive VH4.34 Antibodies Are Specific to Lupus, Consist of Diverse Isotypes, and Are Associated with High Disease Activity and Lupus Nephritis
Scott Jenks¹, Joseph Marcus², Kevin Cashman¹ and Ignacio Sanz³, ¹Emory University School of Medicine and Lowance Center for Human Immunology, Atlanta, GA, ²San Antonio Uniformed Services Health Education Consortium, San Antonio, TX, ³Rheumatology and Lowance Center for Human Immunology, Emory University School of Medicine and Lowance Center for Human Immunology, Atlanta, GA
Background/Purpose: SLE is characterized by the dysregulation of humoral immunity including high levels of autoreactive IgG VH4.34 antibodies recognized by the rat anti-human idiotypic antibody…
Abstract Number: 562 • 2017 ACR/ARHP Annual Meeting
Anti-Muscarinic Receptor 3 Antibodies – a Cross Reactive Result of Ro60 Immunization
Syed M.S. Quadri¹, Biji T Kurien², Kristi A. Koelsch³ and R. Hal Scofield⁴, ¹Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ²Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Okalahoma City, OK, ⁴Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: Sjogren’s syndrome (SS) is a chronic autoimmune inflammatory disease characterized by impaired function of salivary and lacrimal glands leading to dry mouth and dry…
Abstract Number: 1182 • 2017 ACR/ARHP Annual Meeting
Autoantibody Profiling in Prostvac and Ipilimumab Treated Prostate Cancer Patients Reveals Potential Biomarkers of Immune-Related Adverse Events
Petra Budde¹, Jennifer Marte², Hans-Dieter Zucht¹, Saurabh Bhandari¹, Manuel Tuschen¹, Peter Schulz-Knappe¹, James Gulley², Christopher Heery³, Ravi Madan² and Jeffrey Schlom², ¹Protagen AG, Dortmund, Germany, ²National Cancer Institute, National Institutes of Health, Bethesda, MD, ³Bavarian Nordic, Inc., Morrisville, NC
Background/Purpose: Autoantibodies (AAB) targeting self-antigens can be found in two clinically and immunologically opposing diseases, autoimmune diseases and cancer. While in autoimmune diseases, the immune…
Abstract Number: 2138 • 2017 ACR/ARHP Annual Meeting
Predictive Factors for Achievement of Sustained Remission with Polymyositis/Dermatomyositis: A Retrospective Single Center Cohort Study in Japan
Eri Watanabe¹, Takahisa gono¹, Shinji Watanabe¹, Hiroki Yabe¹, Masataka Kuwana² and Chihiro Terai¹, ¹Department of Rheumatology, Saitama Medical Center, Jichi Medical University, Saitama, Japan, ²Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
Background/Purpose: Polymyositis (PM), dermatomyositis (DM), and clinically amyopathic DM (CADM) are systemic inflammatory diseases that affect skeletal muscle, skin, and other organs, such as lungs,…

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