Abstracts tagged "Systemic lupus erythematosus (SLE)"

Abstract Number: 83 • 2019 ACR/ARP Annual Meeting
Dysfunction of TRIM21 Promotes Aberrant Plasmablast Differentiation in Systemic Lupus Erythematosus Due to the Reduction of TRIM21-mediated Ubiquitylation of IRF5
Yosuke Kunishita¹, Ryusuke Yoshimi ¹, Reikou Kamiyama ¹, Daiga Kishimoto ¹, Koji Yoshida ¹, Eijin Hashimoto ¹, Yumiko Sugiyama ², Takaaki Komiya ¹, Natsuki Sakurai ¹, Yohei Kirino ³ and Hideaki Nakajima ³, ¹Department of Stem Cell and Immune Regulation / Yokohama City University Graduate School of Medicine, Yokohama, Japan, ²Department of Rheumatic Diseases / Yokohama City University Medical Center, Yokohama, Japan, ³Department of Stem Cell and Immune Regulation, Yokohama City University Graduate School of Medicine, Yokohama, Japan
Background/Purpose: TRIM21 is a member of the tripartite motif family proteins and is one of the autoantigens which react with anti-SS-A antibody (Ab) present in…
Abstract Number: 659 • 2019 ACR/ARP Annual Meeting
Diminished Memory B-cells in Systemic Lupus Erythematosus Patients with Low Disease Activity
Sabine Zenz¹, Barbara Dreo ¹, Angelika Lackner ¹, Barbara Prietl ², Selina Kofler ², Harald Sourij ², Florentine Moazedi-Fuerst ¹, Monica D'Orazio ¹, Martin Stradner ¹, Winfried Graninger ¹ and Hans-Peter Brezinschek ¹, ¹Department of Internal Medicine/Division of Rheumatology and Immunology, Graz, Austria, ²2CBmed GmbH – Center for Biomarker Research in Medicine, Graz, Austria
Background/Purpose: B-cells play a pivotal role in the initiation and perpetuation of systemic lupus erythematosus (SLE). Recently, it has been demonstrated that in active SLE…
Abstract Number: 862 • 2019 ACR/ARP Annual Meeting
First Use of Cenerimod, a Selective sphingosine-1-phosphate 1 (S1P1) Receptor Modulator, for the Treatment of Systemic Lupus Erythematosus: A Double-Blind, Randomised, Placebo-Controlled, Phase II, Proof-of-Concept Study
Viktoria Hermann¹, Anastas Batalov ², Svetlana Smakotina ³ and Peter Cornelisse ¹, ¹Idorsia, Allschwil, Switzerland, ²Medical University of Plovdiv, University Hospital Kaspela, Plovdiv, Bulgaria, ³Kemerovo Regional Clinical Hospital, Kemerovo, Russia
Background/Purpose: Aberrantly activated T- and B-lymphocytes play a major pathophysiological role in SLE. Cenerimod, a potent, selective sphingosine-1-phosphate 1 receptor modulator, blocks the egress of…
Abstract Number: 1035 • 2019 ACR/ARP Annual Meeting
Examining the Transcriptional Impact of Liganded ERα in the Inflammatory Milieu of Systemic Lupus Erythematosus
Mara Lennard Richard¹, Melissa Cunningham ², Betty Tsao ³ and Gary Gilkeson ⁴, ¹Medical University of South Carolina, Charleston, SC, ²Medical University of South Carolina, Charleston, ³Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, South Carolina, USA., Charleston, ⁴Division of Rheumatology & Immunology/Ralph H. Johnson VA Medical Center/Medical University of South Carolina, Charleston, SC
Background/Purpose: Systemic lupus erythematosus (SLE) disproportionally affects females (9:1) over males. Despite significant research effort, the exact mechanisms behind this compelling sex bias are undefined.…
Abstract Number: 1395 • 2019 ACR/ARP Annual Meeting
Risk of Immunization to Rituximab in Systemic Autoimmune Diseases and Rheumatoid Arthritis: Frequency and Risk Factors. Analysis of the Efficacy of an Alternative Treatment by Ofatumumab
Alice Combier¹, Gaetane Nocturne ², Julien Henry ³, Rakiba Belkhir ¹, Stephan Pavy ⁴, Clotilde Le Tiec ⁵, Elise Descamps ⁴, Raphaele Seror ⁶ and Xavier Mariette ⁷, ¹Rheumatology Departement - Bicêtre Hospital, Paris, France, ²Center for Immunology of Viral Infections and Autoimmune Diseases, Assistance Publique – Hôpitaux de Paris, Hôpitaux Universitaires Paris-Sud, Le Kremlin-Bicêtre, Université Paris Sud, INSERM, Paris, France., Paris, France, ³Rheumatology Departement - Bicêtre Hospital, Paris, ⁴Rheumatology Departement - Bicètre Hospital, Paris, France, ⁵Pharmacy Departement - Bicètre Hospital, Paris, France, ⁶Hopitaux universitaires Paris Sud, Kremlin-Bicetre, France, ⁷Center for Immunology of Viral Infections and Autoimmune Diseases, Assistance Publique – Hôpitaux de Paris, Hôpitaux Universitaires Paris-Sud, Le Kremlin-Bicêtre, Université Paris Sud, INSERM, Paris, France
Background/Purpose: The most widely used B cell targeted therapies in auto-immune diseases (AID) is Rituximab (RTX), a murine chimeric monoclonal antibody. Among RTX’s side effects,…
Abstract Number: 1592 • 2019 ACR/ARP Annual Meeting
Defining the SLE-Associated Pulmonary Arterial Hypertension Phenotype
Marisa Mizus¹, Jessica Li ¹, Daniel Goldman ² and Michelle Petri ¹, ¹Johns Hopkins University School of Medicine, Baltimore, MD, ²Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: Pulmonary arterial hypertension (PAH) is a leading cause of death in SLE patients. Hypocomplementemia, antiphospholipid antibodies, and elevated antibodies to RNP and Ro are…
Abstract Number: 1627 • 2019 ACR/ARP Annual Meeting
Bronchoalveolar Lavage Fluid Analysis and Mortality Risk in Systemic Lupus Erythematosus Patients with Pneumonia and Respiratory Failure
Chien-Chih Lai¹, Yi-Syuan Sun ¹ and Chang-Youh Tsai ², ¹Division of Allergy, Immunology, Rheumatology, Taipei Veterans General Hospital, Taipei, Taiwan (Republic of China), ²Division of Allergy, Immunology & Rheumatology/Taipei Veterans General Hospital, Taipei, Taiwan (Republic of China)
Background/Purpose: To evaluate the pathogens from bronchoalveolar lavage fluid (BALF) and risk factors of mortality in SLE patients with pneumonia and respiratory failure.Methods: Twenty-four SLE…
Abstract Number: 1936 • 2019 ACR/ARP Annual Meeting
The Expression of the Interferon Inducible Gene SERPING1 Is Reduced by Rituximab and Correlates with Clinical Response in Systemic Lupus Erythematosus
Liliana Santos Ribeiro¹, Mariea Parvaz ², Su-Ann Yeoh ² and Michael Ehrenstein ², ¹University College London, London, United Kingdom, ²University College London, London, England, United Kingdom
Background/Purpose: Abnormalities in B cells and the interferon alpha (IFN) pathway have been separately implicated in the pathogenesis of systemic lupus erythematosus (SLE). B cell…
Abstract Number: 2251 • 2019 ACR/ARP Annual Meeting
Understanding Vulnerabilities in Diagnosis and Care of Childhood and Adult-Onset Lupus: A Qualitative Study
Siobhan Case¹, Corine Sinnette ², Courtnie Phillip ², Claire Grosgogeat ³, Karen Costenbader ², Cianna Leatherwood ⁴, Candace Feldman ² and Mary Beth Son ³, ¹Brigham and Women's Hospital and Boston Children's Hospital, Boston, MA, ²Brigham and Women's Hospital, Boston, MA, ³Boston Children's Hospital, Boston, MA, ⁴Kaiser Permanente, San Francisco, CA
Background/Purpose: Systemic lupus erythematosus (SLE) poses complex diagnostic and management challenges, which may differ depending on whether SLE was diagnosed in childhood (cSLE) or in…
Abstract Number: 2532 • 2019 ACR/ARP Annual Meeting
Effect of Treatment on Antiphospholipid Antibodies in SLE
Michelle Petri¹, Laurence Magder ² and Daniel Goldman ³, ¹Johns Hopkins University School of Medicine, Baltimore, MD, ²University of Maryland School of Medicine, Baltimore, MD, ³Johns Hopkins University School of Medicine, Baltimore, MD
Background/Purpose: Unlike primary antiphospholipid syndrome patients, most SLE patients with antiphospholipid antibodies are on one or more treatments for their SLE that might affect levels…
Abstract Number: 2566 • 2019 ACR/ARP Annual Meeting
Polypharmacy and Potentially Inappropriate Medication Use in Young versus Older Adults with SLE
Dale Seguin¹, Christine Peschken ², Casandra Dolovich ¹, Ruby Grymonpre ¹, Phil St. John ¹ and Annaliese Tisseverasinghe ¹, ¹University of Manitoba, Winnipeg, MB, Canada, ²University of Manitoba, Winnipeg, Canada
Background/Purpose: Polypharmacy, typically defined as ≥ 5 medications (meds), is a strong risk factor for adverse clinical outcomes, including delirium, falls, hospitalization, and death, especially…
Abstract Number: 2814 • 2019 ACR/ARP Annual Meeting
Methionine Commits Immunometabolism and Epigenetic Regulation of BACH2 Loci in B Cells, Resulting in Biases Toward Plasmablast Differentiation in the Pathogenesis of SLE
Mingzeng Zhang¹, Shigeru Iwata ¹, Maiko Hajime ¹, Naoaki Ohkubo ¹, Yasuyuki Todoroki ², Hiroko Miyata ², Jie Fan ², Shingo Nakayamada ¹, Kaoru Yamagata ¹ and Yoshiya Tanaka ³, ¹The First Department of Internal Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan, Kitakyushu, Japan, ²The First Department of Internal Medicine, University of Occupational & Environmental Health Kitakyushu, Japan, Kitakyushu, Japan, ³University of Occupational and Environmental Health Japan, Kitakyushu, Japan
Background/Purpose: Amino acids play an important role in various metabolic processes. However, the role of amino acid metabolism in the regulation of human B cell…
Abstract Number: 85 • 2019 ACR/ARP Annual Meeting
Selective Inhibition of the Immunoproteasome with KZR-616 Blocks Multiple Cell Signaling Pathways, Plasma Cell Signatures and Myeloid Cell Associated Damage in the NZB/W Lupus Nephritis Model
Tony Muchamuel¹, Janet Anderl ¹, R Andrea Fan ¹, Henry Johnson ¹, Dustin McMinn ¹ and Christopher Kirk ¹, ¹Kezar Life Sciences, South San Francisco, CA
Background/Purpose: The immunoproteasome is a distinct class of proteasome found predominantly in immune effector cells and has been shown to play a distinct role in…
Abstract Number: 661 • 2019 ACR/ARP Annual Meeting
Association of Serum and Urine Levels of TWEAK, MCP-1 and NGAL with Disease Activity in Systemic Lupus Erythematosus
SAFAK MIRIOGLU ¹, SUZAN CINAR ², Halil Yazici ³, Ahmet Gül ⁴, Lale Öcal ⁴, Murat Inanc ⁴ and Bahar Artim-Esen⁴, ¹Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, ISTANBUL, Turkey, ²Istanbul University,Department of Immunology, Institute of Experimental Medicine, ISTANBUL, Turkey, ³Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Division of Nephrology, Istanbul, Turkey, ⁴Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Division of Rheumatology, Istanbul, Turkey
Background/Purpose: TWEAK, MCP-1 and NGAL, mediators in pathogenesis of systemic lupus erythematosus (SLE), are proinflammatory cytokines/chemokines that are thought as potential biomarkers reflecting disease activity.…
Abstract Number: 883 • 2019 ACR/ARP Annual Meeting
B Cell-specific MyD88 Regulates Pathology After Disease Onset in Murine Lupus
Jeremy Tilstra¹, Minjung Kim ¹, Claire Leibler ¹ and Mark Shlomchik ¹, ¹University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Systemic lupus erythematosus (SLE) is a complex autoimmune disease defined by immune dysregulation, antibody formation, followed by end-organ damage. MyD88 is a central immune…

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