Abstracts tagged "Autoimmunity"

Abstract Number: 2885 • 2016 ACR/ARHP Annual Meeting
Expression Levels and Function of the Inhibitory Molecule, Immunoglobulin like Transcript 7 (ILT7), Are Decreased on Circulating Plasmacytoid Dendritic Cells in SLE Patients with High ANA Titers
Mark A. Jensen¹, Jessica M. Dorschner², Danielle Vsetecka², Shreyasee Amin³, Ashima Makol³, Floranne C. Ernste⁴, Thomas Osborn³, Kevin Moder³, Vaidehi Chowdhary³ and Timothy B. Niewold⁵, ¹Department of Immunology and Division of Rheumatology, Mayo Clinic, Rochester, MN, ²Division of Rheumatology and Department of Immunology, Mayo Clinic, Rochester, MN, ³Rheumatology, Mayo Clinic, Rochester, MN, ⁴Division of Rheumatology, Mayo Clinic Rochester, Rochester, MN, ⁵Rheumatology and Immunology, Mayo Clinic, Rochester, MN
Background/Purpose: Systemic lupus erythematous (SLE) is a complex autoimmune disease often involving multiple organs. In SLE, immune complexes containing autoreactive antibody and nuclear material activate…
Abstract Number: 573 • 2016 ACR/ARHP Annual Meeting
Synovial Fibroblast-Neutrophil Interactions Promote Pathogenic Adaptive Immunity in Rheumatoid Arthritis
Carmelo Carmona-Rivera¹, Erica Moore², Nithya Lingampalli³, Hannes Uchtenhagen⁴, Eddie James⁵, Kevin L. Bicker⁶, Heidi Wähämaa⁷, Victoria Hoffmann⁸, Anca I Catrina⁷, Paul Thompson⁹, Jane H. Buckner⁵, William Robinson¹⁰, David Fox¹¹ and Mariana Kaplan², ¹Systemic Autoimmunity Branch/ NIAMS, National Institutes of Health, Bethesda, MD, ²Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ³Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, ⁴Translational Research Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, ⁵Benaroya Research Institute at Virginia Mason, Seattle, WA, ⁶Middle Tennessee State University, Murfreesboro, TN, ⁷Rheumatology Unit, Department of Medicine, Karolinska Institute, Karolinska University Hospital, Stockholm, Sweden, ⁸Division of Veterinary Resources, National Institutes of Health, Bethesda, MD, ⁹University of Massachusetts, Worcester, MA, ¹⁰Stanford University School of Medicine, Stanford, CA, ¹¹Department of Medicine [Division of Rheumatology], University of Michigan, Ann Arbor, MI
Background/Purpose: Methods: Results: Conclusion:
Abstract Number: 576 • 2016 ACR/ARHP Annual Meeting
Anti-CCP3.1 and Anti-CCP3-IgA Are Elevated in RA-Free Subjects with Idiopathic Pulmonary Fibrosis
Scott Matson¹, Joshua J. Solomon², Jeffrey J. Swigris², Jonathan Chung³, Michael Mahler⁴, Kevin D. Deane⁵ and M. Kristen Demoruelle⁵, ¹Medicine, University of Colorado Denver, Aurora, CO, ²Division of Pulmonary and Critical Care Medicine, National Jewish Health, Denver, CO, ³Radiology, University of Chicago Medical Center, Chicago, IL, ⁴Research and Development, Inova Diagnostics, San Diego, CA, ⁵Rheumatology Division, University of Colorado Denver, Aurora, CO
Background/Purpose: In RA-associated interstitial lung disease (RA-ILD), higher levels of anti-CCP antibodies have been associated with the presence and severity of ILD suggesting a potential…
Abstract Number: 760 • 2016 ACR/ARHP Annual Meeting
Effects of Type I Interferon Inhibition on Blood Leukocyte Subsets in Patients Treated in a Phase IIb Clinical Study of Anifrolumab in SLE
Geoffrey Stephens¹, Rong Zeng², Xiang Guo², Steve Eck³, Yuling Wu³, Liangwei Wang³, Gabor Illei³ and Wendy White², ¹Cellcion, Clarksburg, MD, ²Translational Sciences, MedImmune, LLC, Gaithersburg, MD, ³MedImmune, LLC, Gaithersburg, MD
Background/Purpose: A Phase IIb randomized controlled study (NCT01753193) was conducted with anifrolumab, a fully human, anti-interferon (IFN)–α receptor (IFNAR1) specific antibody in adults with moderate…
Abstract Number: 272 • 2015 ACR/ARHP Annual Meeting
Are the Autoimmune/Inflammatory Syndrome Induced By Adjuvants (ASIA) and the Undifferentiated Connective Tissue Disease (UCTD) Related to Each Other? a Case-Control Study of Environmental Exposures
Francesco Scanzi¹, Laura Andreoli¹, Maria Martinelli¹, Mara Taraborelli², Ilaria Cavazzana¹, Roberta Ottaviani¹, Nice Carabellese¹, Flavio Allegri¹, Franco Franceschini¹, Nancy Agmon-Levin³, Yehuda Shoenfeld⁴ and Angela Tincani¹, ¹Rheumatology and Clinical Immunology, Spedali Civili and University of Brescia, Brescia, Italy, ²Rheumatology and Clinical Immunology, Spedali Civili of Brescia, Brescia, Italy, ³Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel Aviv, Israel, ⁴Zabludowicz Center for Autoimmune Diseases, Chaim Sheba Medical Center, Tel Hashomer, Israel Incumbent of the Laura Schwarz-Kipp Chair for Research of Autoimmune Diseases, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel
Background/Purpose: The Autoimmune/Inflammatory Syndrome induced by adjuvants (ASIA) [1] is an entity that includes different autoimmune conditions observed after exposure to an adjuvant. Patients with…
Abstract Number: 632 • 2015 ACR/ARHP Annual Meeting
Isolated Atrioventricular Block of Unknown Origin in the Adult and Autoimmunity: Diagnostic and Therapeutic Considerations Exemplified By Three Anti-Ro/SSA-Associated Cases
Antonio Brucato¹, Pietro Enea Lazzerini², Pier Leopoldo Capecchi³, Anna Valenti⁴, Lucia Baldi⁵, Maria Romana Bacarelli³, Claudia Nucci⁵, Valentina Moscadelli³, Gabriella Morozzi³, Mohamed Butjdir^6,7,8 and Franco Laghi Pasini³, ¹Internal Medicine, Ospedale Papa Giovanni XXIII Bergamo, Bergamo, Italy, ²Department of Medical Sciences, Surgery and Neurosciences, University of Siena, Siena, Italy, ³Medical Sciences, Surgery and Neurosciences, University of Siena, Siena, Italy, ⁴Internal Medicine, Hospital Papa Giovanni XXIII, Bergamo, Italy, ⁵Cardiology, University of Siena, Siena, Italy, ⁶Medicine, Cell Biology and Pharmacology, State University of New York at Downstate Medical Center, New York, NY, ⁷NYU School of Medicine, New York, NY, ⁸Research Department, VA New York Harbor Healthcare System, New York, NY
Background/Purpose: Circulating anti-Ro/SSA antibodies may rarely affect the adult conduction-system. A direct autoantibody-mediated electrophysiological inhibition of cardiomyocyte calcium-channels (acquired form) or an ante-natal subclinical injury…
Abstract Number: 806 • 2015 ACR/ARHP Annual Meeting
STAT1 Activation Promotes TLR8 Overexpression and Facilitates Mirokine Signaling Via Exosomes Containing a Mir-21 Endogenous Ligand: A Novel Innate Inflammatory Pathway in Systemic Lupus Erythematosus
Giancarlo R. Valiente^1,2, Nicholas A. Young², Lai-Chu Wu^3,4, Jeffrey Hampton⁵, Mary Severin⁶, Amy Lovett-Racke⁶ and Wael N. Jarjour⁷, ¹Medical Scientist Training Program, The Ohio State University College of Medicine, Columbus, OH, ²Rheumatology & Immunology, The Ohio State University Wexner Medical Center, Columbus, OH, ³Immunology and Rheumatology, The Ohio State University Wexner Medical Center, Columbus, OH, ⁴Biological Chemistry and Pharmacology, The Ohio State University College of Medicine, Columbus, OH, ⁵Immunology and Rheumatoloty, The Ohio State University Wexner Medical Center, Columbus, OH, ⁶Microbial Infection and Immunity, The Ohio State University College of Medicine, Columbus, OH, ⁷Dept of Rheumatology/Medicine, The Ohio State University Wexner Medical Center, Columbus, OH
Background/Purpose: The adaptive arm of the immune system plays a significant role in the pathophysiology of Systemic Lupus Erythematosus (SLE). However, recent studies suggest that…
Abstract Number: 1101 • 2015 ACR/ARHP Annual Meeting
Matrix Metalloproteinase-10 (Stromelysin 2) Is a Target of Robust Autoimmune T and B Cell Responses in Antibiotic-Refractory Lyme Arthritis, but Not in Rheumatoid Arthritis
Jameson T. Crowley¹, Elise E. Drouin², Annalisa Pianta¹, Klemen Strle¹, Qi Wang³, Catherine E. Costello³ and Allen C. Steere⁴, 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, ⁴Center for Immunolgy and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, Boston, MA
Background/Purpose: Infection-induced autoimmunity has been hypothesized to have a pathogenic role in antibiotic-refractory Lyme arthritis (LA). We previously identified 3 autoantigens, endothelial cell growth factor,…
Abstract Number: 1950 • 2015 ACR/ARHP Annual Meeting
Methylation-Dependent Interference of Two Promoters for the Treg-Specific Protein, Garp, Contributes to Altered Treg Function in Rheumatoid Arthritis
Viktoria Soentgerath¹, Sonja Haupt², Jan Leipe³, Hendrik Schulze-Koops¹ and Alla Skapenko¹, ¹Division of Rheumatology and Clinical Immunology, University of Munich, Munich, Germany, ²Division of Rheumatology and Clinical Immunology, Med.Klinik und Poliklinik IV, University of Munich, Munich, Germany, ³Division of Rheumatology, University of Munich, Munich, Germany
Background/Purpose: Recently, genome-wide studies identified several Treg-specific genes containing hypomethylated regions that are critical for their expression, so called Treg-specific demethylated regions (TSDR). For example,…
Abstract Number: 1952 • 2015 ACR/ARHP Annual Meeting
Lack of Association of a 6.7 Kbp Deletion of LILRA3 with Giant Cell Arteritis
Ana Márquez¹, Tamara Fernández-Aranguren², Maria C. Cid³, José Hernández-Rodríguez³, Roser Solans⁴, Marc Ramentol⁴, Santos Castañeda⁵, Jose A. Miranda-Filloy⁶, Inmaculada C. Morado⁷, Javier Narváez⁸, Eugenio De Miguel⁹, Bernardo Sopeña¹⁰, Jordi Monfort¹¹, Maria Jesus Garcia-Villanueva¹², Norberto Ortego-Centeno¹³, Torsten Witte¹⁴, Miguel Angel Gonzalez-Gay¹⁵, Javier Martín² and Spanish GCA Group, ¹Instituto de Parasitología y Biomedicina López-Neyra, IPBLN-CSIC, PTS-Granada and Systemic Autoimmune Diseases Unit, Hospital Clínico San Cecilio, Granada, Spain, ²Instituto de Parasitología y Biomedicina López- Neyra, IPBLN-CSIC, PTS-Granada, Granada, Spain, ³Vasculitis Research Unit, Department of Autoimmune Diseases, Hospital Clínic University of Barcelona, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain, ⁴Autoimmune Systemic Diseases Unit, Department of Internal Medicine, Hospital Vall d’Hebron, Autonomous University of Barcelona, Barcelona, Spain, ⁵Hospital Universitario de La Princesa. IIS La Princesa, Madrid, Spain, ⁶Department of Rheumatology, Hospital Xeral-Calde, Lugo, Spain, ⁷Department of Rheumatology, Hospital Clínico San Carlos, Madrid, Spain, ⁸Rheumatology Department, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Spain, ⁹Department of Rheumatology, Hospital Universitario La Paz, Madrid, Spain, ¹⁰Department of Internal Medicine, Complejo Hospitalario Universitario de Vigo, Vigo, Spain, ¹¹Department of Rheumatology, Grup de recerca cel•lular en inflamació i cartílag. IMIM (Institut de Recerca Hospital del Mar), Barcelona, Spain, ¹²Department of Rheumatology, Hospital Ramón y Cajal, Madrid, Spain, ¹³Systemic Autoimmune Diseases Unit, Hospital Clínico San Cecilio, Granada, Spain, ¹⁴Hannover Medical School, Hanover, Germany, ¹⁵Department of Rheumatology, Hospital Universitario Marqués de Valdecilla, IDIVAL, Santander, Spain
Background/Purpose: Leukocyte immunoglobulin-like receptor A3 (LILRA3A) encodes a member of a family of immunoreceptors which is predominantly expressed on antigen presenting cells, acting as a…
Abstract Number: 2072 • 2015 ACR/ARHP Annual Meeting
Mitochondrial Reactive Oxygen Species Modulate Autoimmunity in Systemic Lupus Erythematosus
Luz P. Blanco¹, Christian Lood², Monica Purmalek³, Suk See DeRavin⁴, Carolyne K. Smith³, Carmelo Carmona-Rivera³, Harry Malech⁴, Jeffrey Ledbetter⁵, Keith B. Elkon⁶ and Mariana J. Kaplan¹, ¹Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ²Internal Medicine, University of Washington, Seattle, WA, ³Systemic Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, ⁴NIAID/NIH, Bethesda, MD, ⁵University of Washington, Seattle, WA, ⁶Department of Medicine & Immunology, University of Washington, Seattle, WA
Background/Purpose: Dysregulation in the formation of neutrophil extracellular traps (NETs) may contribute to modification and externalization of autoantigens and to organ damage in diverse autoimmune…
Abstract Number: 756 • 2014 ACR/ARHP Annual Meeting
Nucleosome, a Basic Repeating Unit of Chromatin, in Patients with Systemic Sclerosis: Possible Association with Immunological Abnormalities Via Abnormal Activation of T and B Cells
Ayumi Yoshizaki¹, Yoshihide Asano², Takashi Taniguchi¹, Ryosuke Saigusa¹, Kouki Nakamura¹, Takashi Yamashita¹, Takehiro Takahashi¹, Tetsuo Toyama¹, Yohei Ichimura¹, Zenshiro Tamaki¹, Miki Miyazaki¹ and Shinichi Sato¹, ¹Dermatology, University of Tokyo Graduate School of Medicine, Tokyo, Japan, ²University of Tokyo Graduate School of Medicine, Tokyo, Japan
Background/Purpose Nucleosome is the basic repeating units of chromatin. Each nucleosome is composed of an inner core of histones H3 and H4 and an outer…
Abstract Number: 658 • 2014 ACR/ARHP Annual Meeting
17β Estradiol Regulates VCAM-1 Expression during Glomerulonephritis
Neelakshi Jog¹ and Roberto Caricchio², ¹Rheumatology, Temple University, Philadelphia, PA, ²Medicine/Rheumatology, Temple University, Philadelphia, PA
Background/Purpose The immunomodulating roles of estrogens are not completely understood. Although 17β estradiol (E2) has been shown to promote systemic autoimmunity, it has also been…
Abstract Number: 659 • 2014 ACR/ARHP Annual Meeting
Breakdown of Tolerance at the Tissue Level in Systemic Autoimmunity: Role of Tissue-Resident Dendritic Cells
Jennifer K. King¹, Rachael Philips¹, Anna Eriksson¹ and Ram Raj Singh^1,2,3,4, ¹Autoimmunity and Tolerance Laboratory, Department of Medicine/Rheumatology, UCLA, Los Angeles, CA, ²Interdepartmental Program in Molecular Toxicology, UCLA, Los Angeles, CA, ³Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, CA, ⁴Department of Pathology and Laboratory Medicine, UCLA, Los Angeles, CA
Background/Purpose Systemic autoimmune diseases such as lupus affect multiple organs including skin and kidneys, usually in a diverse fashion where only certain organs are affected…
Abstract Number: 639 • 2014 ACR/ARHP Annual Meeting
Lack of Response Gene to Complement-32 Impairs Th17 Differentiation and Attenuates Lupus-like Chronic Graft Versus Host Disease
Vinh Nguyen¹, Cosmin Tegla², Cornelia Cudrici³, Tudor Badea⁴, Horea Rus² and Violeta Rus¹, ¹Medicine, University of Maryland School of Medicine and Veteran Affairs Medical Center, Baltimore, MD, ²Neurology, University of Maryland School of Medicine and Veteran Affairs Medical Center, Baltimore, MD, ³Neurology, University of Maryland School of Medicine, Baltimore, MD, ⁴NIH, National Eye Institute, Bethesda, MD
Background/Purpose . Response Gene to Complement (RGC)-32 was cloned and characterized by our group as one of the genes induced by complement activation. It encodes…

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