ACR Meeting Abstracts

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Abstracts tagged "Apoptosis"

  • Abstract Number: 8 • 2015 ACR/ARHP Annual Meeting

    Bay 11-7085 Induces Glucocorticoid Receptor Activation and Autophagy to Initiate Human Synovial Fibroblast Cell Death

    Biserka Relic1, Edith Charlier2, Céline Deroyer1, Olivier Malaise1, Sophie Neuville1, Aline Desoroux1, Philippe Gillet3, Michel G. Malaise1 and Dominique de Seny1, 1Department of Rheumatology- GIGA Research - Arthropôle - University of Liège - CHU Liège, Liège, Belgium, 2Department of Rheumatology, Department of Rheumatology- GIGA Research - Arthropôle - University of Liège - CHU Liège, Liège, Belgium, 3Orthopaedic Surgery Department-University of Liège-CHU de Liège, Liège, Belgium

    Background/Purpose: BAY 11-7085 is an inhibitor of IκBα phosphorylation that leads to NF-κB inactivation and downregulation of inflammation in mouse model of asthma, in articular…
  • Abstract Number: 810 • 2015 ACR/ARHP Annual Meeting

    Human Parvovirus B19 Nonstructural Protein 1 (NS1) Helicase Breaks Tolerance to Self dsDNA: A Model for Viral Induction of Autoimmunity

    Heidi Pirttinen1, Kanoktip Puttaraksa1, Robert J. Lagier2, Stanley J. Naides3 and Leona Gilbert1, 1Department of Biological and Environmental Science, University of Jyväskylä, Jyväskylä, Finland, 2Research Support, Alameda, Quest Diagnostics Alameda, Alameda, CA, 3Immunology, Quest Diagnostics Nichols Institute, San Juan Capistrano, CA

    Background/Purpose:  B19 virus (B19V) is common, infects all ages, and is associated with various clinical syndromes including SLE-like autoimmunity. We previously demonstrated that B19 NS1,…
  • Abstract Number: 1037 • 2015 ACR/ARHP Annual Meeting

    Impaired Regulatory T Cell Survival in the Pathogenesis of Autoreactive Arthritis Mediated By CD11c-Deletion of Flip

    Qi Quan Huang1, Renee E. Doyle1, Robert Birkett2, Deyu Fang3, Syamal K. Datta1 and Richard M. Pope1, 1Medicine/Rheumatology, Northwestern University Feinberg School of Medicine, Chicago, IL, 2Division of Rheumatology, Department od Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 3Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, IL

    Background/Purpose:  We have generated a mouse line with Flip conditionally deleted in CD11c-cre expressing cells (CD11c-Flip-KO, named HUPO), which spontaneously develops erosive arthritis resembling rheumatoid…
  • Abstract Number: 2872 • 2014 ACR/ARHP Annual Meeting

    B-Cell Autoepitope and Tetramer Analysis Reveals Expansion of Apoptotic Autoantigen La and snRNP Reactive B Cells in BXD2 Mice

    Jennie Hamilton1, Jun Li2, Qi Wu3, PingAr Yang3, Bao Luo3, Hao Li4, Troy Randall5, John Edwin Bradley5, Justin J. Taylor6, John D. Mountz7,8 and Hui-Chen Hsu3,4, 1University of Alabama at Birmingham, Birmingham, AL, 2Med - Immunology/Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 3Division of Clinical Immunology and Rheumatology, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, 4Department of Medicine, Clinical Immunology & Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 5Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, 6Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 7Dept of Med/Rheumatology Div, University of Alabama at Birmingham, Birmingham, AL, 8Birmingham VA Medical Center, Birmingham, AL

    Background/Purpose Systemic lupus erythematous (SLE) is characterized by production of highly pathogenic IgG autoantibodies (autoAbs).  While serum autoAb profiling is standard, it remains challenging to…
  • Abstract Number: 2839 • 2014 ACR/ARHP Annual Meeting

    BCL-2 As a Potential Therapeutic Target in Human Lupus Tubulointerstitial Inflammation

    Kichul Ko1, Denisse Yanez1, Natalya Kaverina1, Vladimir M. Liarski1, Yahui Peng2, Li Lan3, Stuart Perper4, Annette Schwartz5, Liz O'connor6, Andrew Souers7, Steven Elmore7, Lisa Olson5, Maryellen L. Giger3, Li Chun Wang4 and Marcus R. Clark1, 1Rheumatology and Knapp Center for Lupus Research, University of Chicago, Chicago, IL, 2School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing, China, 3Radiology, University of Chicago, Chicago, IL, 4Immunology, AbbVie Inc, AbbVie Bioresearch Center, Worcester, MA, 5AbbVie Inc, AbbVie Bioresearch Center, Worcester, MA, 6Toxicology, AbbVie Inc, AbbVie Bioresearch Center, Worcester, MA, 7AbbVie Inc, North Chicago, IL

    Background/Purpose Lupus nephritis (LuN) is the most common, severe manifestation of systemic lupus erythematosus (SLE). We have previously shown that glomerulonephritis appears to be a…
  • Abstract Number: 2734 • 2014 ACR/ARHP Annual Meeting

    B55β Regulates T Cell Survival through the Modulation of AKT during Cytokine Deprivation

    José C. Crispin1, Sokratis A. Apostolidis2, Noe Rodriguez Rodriguez1, Tran Nguyen2 and George C. Tsokos3, 1Medicine/Rheumatology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 2Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 3Rheumatology, Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA

    Background/Purpose . The abundance of cytokines controls the length of immune responses through poorly defined mechanisms. B55β is a molecule that triggers apoptosis in activated…
  • Abstract Number: 2166 • 2014 ACR/ARHP Annual Meeting

    Bim Suppresses the Development of Glomerulonephritis By Inhibiting M2 Polarization

    Fu-Nien Tsai, Northwestern University, Chicago, IL

    Background/Purpose Only recently have monocytes and macrophages been accepted as critical players in the pathogenesis of SLE.  However, very little is known regarding the molecular…
  • Abstract Number: 1031 • 2014 ACR/ARHP Annual Meeting

    Induction of Pro-Apoptotic Noxa Expression By Ursolic Acid Sensitizes Rheumatoid Arthritis Synovial Fibroblasts to Apoptosis: A Role of Mir-181a

    Salahuddin Ahmed1, Laura Walsh2, Anil Singh1, Maria Beamer3, Kuladeep Sudini4 and Douglas Leaman4, 1Department of Pharmaceutical Sciences, Washington State University, Spokane, WA, 2Department of Pharmacology, University of Toledo, Toledo, OH, 3Department of Pharmacology, Department of Pharmacology, University of Toledo, Toledo, OH, 4Department of Biological Sciences, University of Toledo, Toledo, OH

    Background/Purpose:  In rheumatoid arthritis (RA), the paucity of pro-apoptotic protein expression may significantly contribute to the resistance of synovial fibroblasts (FLS) to apoptosis. In the…
  • Abstract Number: 757 • 2014 ACR/ARHP Annual Meeting

    Distinctive Patterns of Telomere Shortening and Apoptosis in Limited and Diffuse cutaneous  Systemic Sclerosis

    Jasper Broen1, Liane McGlynn2, Dagmara McGuinness2, Rina Wichers3, Jacqueline Thomson2, Rajan Madhok4, Robert Lafyatis5, Carol A. Feghali-Bostwick6, Paul Shiels2 and T.R.D.J. Radstake1, 1Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 2University of Glasgow, Glasgow, United Kingdom, 3UMC Utrecht, Utrecht, Netherlands, 4Glasgow Royal Infirmary, Glasgow, United Kingdom, 5Arthritis Center, Boston University, Boston, MA, 6Medicine, Medical University of South Carolina, Charleston, SC

    Background/Purpose: Aberrant telomere shortening and DNA damage-responses have been previously described in SSc, here we aim to validate these observations and incorporate them in a…
  • Abstract Number: 343 • 2014 ACR/ARHP Annual Meeting

    The Caspase 8/RIPK3 Signaling Axis Has Opposing Roles in Myeloid and Dendritic Cells during Progression of a Murine Model of Acute Inflammatory Arthritis

    Carla M. Cuda1, Alexander Misharin2, George Kenneth Haines III3 and Harris R. Perlman4, 1Medicine / Rheumatology, Northwestern University Feinberg School of Medicine, Chicago, IL, 2Northwestern University, Chicago, IL, 3Pathology, The Mount Sinai Hospital, New York, NY, 4Northwestern University Feinberg School of Medicine, Chicago, IL

    Background/Purpose Rheumatoid arthritis (RA) manifests in persistent synovial inflammation, cellular infiltration and pro-inflammatory cytokine production, and results in progressive joint destruction.  Both myeloid cells and…
  • Abstract Number: 1392 • 2013 ACR/ARHP Annual Meeting

    The Expression Of Proto-Oncogene Survivin Splicing Variant 2B In Synovial Tissues and Blood From Patients With Rheumatoid Arthritis

    Sho Mokuda1,2, Tatsuhiko Miyazaki3, Junya Masumoto3, Masamoto Kanno4 and Kiyoshi Takasugi5, 1Department of Immunology, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan, 2Department of Internal Medicine, Center for Rheumatic Diseases, Dohgo Spa Hospital, Matsuyama, Japan, 3Department of Pathology, Division of Analyticalpathology, Ehime University Graduate School of Medicine, Toon, Japan, 4Department of Immunology, Graduate School of Biomedical Sciences, Hiroshima University, Hirosima, Japan, 5Center for Rheumatic Diseases, Dohgo Spa Hospital, Matsuyama, Japan

    Background/Purpose: It has been reported that serum survivin level was an independent risk factor for predicting joint destruction in early rheumatoid arthritis (RA). The proto-oncogene…
  • Abstract Number: 939 • 2013 ACR/ARHP Annual Meeting

    Reduction Of Circulating Blood Neutrophils In Mice By Anti-IL-6R Alpha Monoclonal Antibody is Not Due To Apoptosis Or Blockade Of Neutrophil Differentiation

    Ludmila Kelly, Vilma Decman and Dimitris Skokos, Research, Regeneron Pharmaceuticals, Inc., Tarrytown, NY

    Background/Purpose: Blockade of IL-6/IL-6Rα signaling is associated with a reduction of circulating neutrophils in the blood of patients treated with anti-IL-6Rα mAb but the mechanism…
  • Abstract Number: 569 • 2013 ACR/ARHP Annual Meeting

    Hydroxycholorquine Is Cardioprotective In Neonatal Rat Cardiomyocytes Exposed To Simulated Myocardial Ischaemic/Reperfusion Injury.-An Effect Mediated Through ERK Phosphorylation

    Lauren Bourke1, James McCormick2, Anastasis Stephanou3 and Yiannis Ioannou4, 1Centre for Rheumatology Research, University College London, London, United Kingdom, 2Clinical & Molecular Genetics Unit, University College London, London, United Kingdom, 3MMBU, University College London, London, United Kingdom, 4Arthritis Research UK Centre for Adolescent Rheumatology at University College London, Great Ormond Street Hospital and UCLH, University College London, London, United Kingdom

    Background/Purpose: A significant amount of myocardial damage during a myocardial infarction (MI) occurs during the reperfusion stage which is known as ischaemic reperfusion (I/R) injury…
  • Abstract Number: 546 • 2013 ACR/ARHP Annual Meeting

    The Survival Of Gr1+CD11b+ cells Is Differentially Regulated In Male and Female Lupus-Prone Mice

    Elena Gonzalez1,2, Trine Jorgensen2 and Abhishek Trigunaite2, 1Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, 2Immunology, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH

    Background/Purpose: Systemic Lupus Erythematosis (SLE) is a multisystem autoimmune disease that develops far more frequently in females than in males (9:1 ratio). The (NZBxNZW)F1 lupus-prone…
  • Abstract Number: 551 • 2013 ACR/ARHP Annual Meeting

    Different Cell Death Programs Contribute To Severity Of Lupus Glomerulonephritis In Males and Females

    Neelakshi Jog1 and Roberto Caricchio2, 1Rheumatology, Temple University, Philadelphia, PA, 2Medicine/Rheumatology, Temple University, Philadelphia, PA

    Background/Purpose: Lupus glomerulonephritis (GN) is a leading cause of long-term disability in SLE. Although lupus is more common in females, GN occurs earlier and in…
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