ACR Meeting Abstracts

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Abstracts tagged "Antiphospholipid"

  • Abstract Number: 167 • 2020 Pediatric Rheumatology Symposium

    Lipidomic Profiles of Synovial Fluid from Patients with Oligoarticular Juvenile Idiopathic Arthritis Naïve to Treatment

    Melissa Elder 1, Luciana Paim marques2, Akaluck Thatayatikom 1, John Bowden 2, Bianca da SIlva 2 and Juan Aristizabal 2, 1University of Florida, Gainesville, 2University of Florida, Gainesville, Florida

    Background/Purpose: Metabolomic and lipidomic pathways serve as key sensors and effectors of genetic, epigenetic, and environmental factors that shape the development and function of the…
  • Abstract Number: 130 • 2019 ACR/ARP Annual Meeting

    Is There Clinically Relevant Plasma Interference with ELISA Detection of APS Antibodies? Reproducibility of Serum and Plasma Testing in a Real-World Clinical Setting

    Michael Pham1, Giovanni Orsolini 2, Cynthia Crowson 3, Melissa Snyder 1, Rajiv Pruthi 4 and Kevin Moder 5, 1Mayo Clinic, Rochester, MN, 2University of Verona, Verona, Italy, 3Mayo Clinic Rochester, Rochester, 4Mayo Clinic, Rochester, 5Mayo Clinic Rochester, rochester, MN

    Background/Purpose: Traditionally in ELISA detection of APS antibodies, the use of serum is thought to be preferable over plasma according to international consensus bodies.  The…
  • Abstract Number: 131 • 2019 ACR/ARP Annual Meeting

    Anti-Phosphatidylserine Prothrombin Antibodies as a Predictor of the LAC in an All-Comer Population

    Michael Pham1, Giovanni Orsolini 2, Cynthia Crowson 3, Melissa Snyder 1, Rajiv Pruthi 4 and Kevin Moder 5, 1Mayo Clinic, Rochester, MN, 2University of Verona, Verona, Italy, 3Mayo Clinic Rochester, Rochester, 4Mayo Clinic, Rochester, 5Mayo Clinic Rochester, rochester, MN

    Background/Purpose: Anti-phosphatidylserine prothrombin antibodies (aPS-PT) are reported to be highly associated with the LAC.  Some have suggested a clinically useful role for aPS-PT as a…
  • Abstract Number: 145 • 2019 ACR/ARP Annual Meeting

    Development of New International Classification Criteria for Antiphospholipid Syndrome: Phase II Results

    Medha Barbhaiya1, Stephane Zuily 2, Yasaman Ahmadzadeh 3, Raymond Naden 4, Karen Costenbader 5, Doruk Erkan 6 and On Behalf of the New APS Classification Criteria Collaborators 7, 1Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, 2Centre Hospitalier Universitaire de Nancy, Nancy, France, 3N/A, Tehran, Iran, 4McMaster University, Hamilton, ON, Canada, 5Brigham and Women's Hospital, Boston, MA, 6Hospital for Special Surgery, New York City, 7Hospital for Special Surgery, New York, NY

    Background/Purpose: An international multi-disciplinary effort is underway to develop rigorous, new, consensus- and evidence-based classification criteria to identify patients with high likelihood of Antiphospholipid Syndrome…
  • Abstract Number: 2118 • 2018 ACR/ARHP Annual Meeting

    Prevalence of Acquired Activated Protein C Resistance and Anti-Protein C Antibodies in Systemic Lupus Erythematosus

    Giuseppe Alvise Ramirez1,2,3,4, Hannah Cohen5,6, David A. Isenberg4,7 and Maria Efthymiou5, 1Università Vita-Salute San Raffaele, Milan, Italy, 2Centre for Rheumatology, Division of Medicine, University College London, London, United Kingdom, 3Unit of Immunology, Rheumatology, Allergy and Rare Diseases, San Raffaele Scientific Institute, Milan, Italy, 4Department of Rheumatology, University College London Hospitals NHS Foundation Trust, London, United Kingdom, 5Haemostasis Research Unit, Department of Haematology, University College London, London, United Kingdom, 6Department of Haematology, University College London Hospitals NHS Foundation Trust, London, United Kingdom, 7University College London, London, United Kingdom

    Background/Purpose: Systemic lupus erythematosus (SLE) is an autoimmune rheumatic disease characterised by increased cardiovascular risk, with a 5-20 fold increased risk for venous thromboembolism (VTE)…
  • Abstract Number: 4 • 2017 ACR/ARHP Annual Meeting

    Downregulation of microRNAs in Plasmacytoid Dendritic Cells Is Associated with a Type I Interferon Signature in Systemic Lupus Erythematosus and Antiphospholipid Syndrome

    Lucas L. van den Hoogen1, Joel A.G. van Roon2,3, Ruth D.E. Fritsch-Stork4, Cornelis P.J. Bekker1, Aridaman Pandit1, Marzia Rossato5 and Timothy R.D.J. Radstake1, 1Rheumatology and Clinical Immunology, Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 2Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 3Laboratory for Translational immunology, University Medical Center Utrecht, Utrecht, Netherlands, 4Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 5Department of Rheumatology & Clinical Immunology, Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands

    Background/Purpose: The most prominent alteration in the immune system of patients with SLE is a type I interferon (IFN) signature, which we recently also reported…
  • Abstract Number: 1656 • 2017 ACR/ARHP Annual Meeting

    Type I Interferon Drives the Dysregulation of Plasmacytoid and Myeloid Dendritic Cells in Systemic Lupus Erythematosus and Antiphospholipid Syndrome

    Lucas L. van den Hoogen1, Aridaman Pandit1, Giovanni Palla2, Marzia Rossato3, Ruth D.E. Fritsch-Stork4, Joel A.G. van Roon5 and Timothy R.D.J. Radstake1, 1Rheumatology and Clinical Immunology, Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 2Rheumatology and Clinical Immunology, Laboratory of Translational Medicine, University Medical Center Utrecht, Utrecht, Netherlands, 3Department of Rheumatology & Clinical Immunology, Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 4Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, 5Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands

    Background/Purpose: Dendritic cells (DC) are the sentinel cells of the immune system that potently activate T-cells, making them important players in the pathophysiology of systemic…
  • Abstract Number: 2095 • 2016 ACR/ARHP Annual Meeting

    Autoantibodies Against High Density Lipoprotein-Associated Proteins Are Related to Elevated Oxidized Low Density Lipoprotein Levels in Antiphospholipid Syndrome

    Kenji Oku1, Uhei Shibata2, Joana Batuca3, Olga Amengual4, Michihiro Kono2, Hiroyuki Nakamura5, Ryo Hisada1, Kazumasa Ohmura1, Masaru Kato2, Toshiyuki Bohgaki1, Shinsuke Yasuda1, Jose Delgado Alves3,6 and Tatsuya Atsumi1, 1Division of Rheumatology, Endocrinology and Nephrology, Hokkaido University Graduate School of Medicine, Sapporo, Japan, 2Hokkaido University Graduate School of Medicine, Sapporo, Japan, 3CEDOC/NOVA Medical School, Lisbon, Portugal, 4Hokkaido University,Medicine II, Sapporo, Japan, 5Medicine II, Hokkaido University Graduate School of Medicine, Sapporo, Japan, 6Fernando Fonseca Hospital, Amadora, Portugal

    Background/Purpose: Oxidized low-density lipoprotein (oxLDL), a key molecule in atherogenesis, serves as the source of anionic charged particles that bind to beta2glycoprotein I (Β2GPI) and…
  • Abstract Number: 2992 • 2016 ACR/ARHP Annual Meeting

    In Systemic Lupus Erythematosus with Antiphospholipid Antibodies, Hypocomplementemia Associates with Thrombosis

    Laura Durcan1, Wei Fu2 and Michelle Petri3, 1University of Washington, Seattle, WA, 2Division of Rheumatology, School of Medicine, Johns Hopkins University, Baltimore, MD, 3Rheumatology Division, Johns Hopkins University School of Medicine, Baltimore, MD

    Background/Purpose: Hypocomplementemia is a common phenomenon in systemic lupus erythematosus (SLE) and antiphospholipid antibody syndrome (APS). Robust mechanistic data implicate complement activation in antiphospholipid antibody…
  • Abstract Number: 2177 • 2015 ACR/ARHP Annual Meeting

    Pegylated Recombinant Domain I of Beta-2-Glycoprotein I, a Potential Therapeutic Agent for Antiphospholipid Syndrome, Fully Retains Its Ability to Inhibit Binding of IgG or IgA Antibodies from Patients with APS to Beta-2-Glycoprotein I in Vitro

    Thomas McDonnell1, Charis Pericleous1, Yiannis Ioannou2, Ian Giles1 and Anisur Rahman1, 1Rayne Institute, Centre for Rheumatology Research, UCL Division of Medicine, London, United Kingdom, 2Rayne Institute, Arthritis Research UK Centre for Adolescent Rheumatology, UCL Division of Medicine, London, United Kingdom

    Background/Purpose: Antiphospholipid Syndrome (APS) is an autoimmune rheumatic disorder in which antiphospholipid antibodies (aPL) cause clinical events including vascular thrombosis (VT) and pregnancy morbidity (PM).…
  • Abstract Number: 2189 • 2015 ACR/ARHP Annual Meeting

    Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking Clinical Database and Repository (“Registry”) Prospective Follow-up Analysis: One-Year First and Recurrent Thrombosis Risk

    Doruk Erkan1, Stephane Zuily2, Alessandra Banzato3, Karel De Ceulaer4, Hannah Cohen5, Maria Tektonidou6, Danieli Andrade7 and , on Behalf of APS ACTION .8, 1Barbara Volcker Center for Women & Rheumatic Disease, Hospital for Special Surgery, New York, NY, 2Regional Competence Center For Rare Vascular And Systemic Autoimmune Diseases, Vascular Medicine Unit, Vandoeuvre-Les-Nancy, France, 3Department of Cardiac Thoracic and Vascular Sciences, (2) Department of Cardiac Thoracic and Vascular Sciences, University of Padua, Padua Italy, Padua, Italy, 4Internal Medicine, University of the West Indies, Kgn 7, Jamaica, 5Hematology., University College London, LOndon, United Kingdom, 6First Department of Internal Medicine, School of Medicine, National University of Athens, Athens, Greece, 7Autoimmunity & Inflammation, Hospital for Special Surgery, New York, NY, 8., New York, NY

    Background/Purpose: APS ACTION “Registry” was created to study the natural course of disease over 10 years in persistently antiphospholipid antibody (aPL)-positive patients with/without other systemic…
  • Abstract Number: 2191 • 2015 ACR/ARHP Annual Meeting

    Increased Risk of Acute and Chronic Renal Lesions Associated with Antiphospholipid Antibodies in Patients with Systemic Lupus Erythematosus: A Systematic Review and Meta-Analysis

    Vinicius Domingues1, DENIS WAHL2 and Stephane Zuily3, 1Rheumatology, New York University School Of Medicine, New York, NY, 2CHU de Nancy, Vascular Medicine Division and Regional Competence Centre For Rare Vascular And Systemic Autoimmune Diseases; and UMR_S U1116 Research Unit, Nancy, France, 3CHU de Nancy, Vascular Medicine Division and Regional Competence Centre For Rare Vascular And Systemic Autoimmune Diseases; and UMR_S U1116 Research Unit, France, Nancy, France

    Background/Purpose : Renal lesions have been described in patients with antiphospholipid antibodies (aPL), however their associations with aPL are inconsistent among studies. Therefore our objective…
  • Abstract Number: 2198 • 2015 ACR/ARHP Annual Meeting

    Antiphospholipid Syndrome Alliance for Clinical Trials & International Networking Clinical Database and Repository Analysis: Determinants of Thrombosis in Patients Presenting with Obstetric APS

    Guilherme Ramires de Jesus1, STEPHANE ZUILY2, Doruk Erkan3, Roger A. Levy4 and on Behalf of APS ACTION, 1Department of Obstetrics, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil, 2CHU de Nancy, Regional Competence Centre For Rare Vascular And Systemic Autoimmune Diseases, Vascular Medicine Division, NANCY, France, 3Rheumatology, Hospital for Special Surgery, New York, NY, 4Rheumatology, Department of Rheumatology, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil

    Background/Purpose: APS ACTION Clinical Database and Repository (“Registry”) was created to study the natural course of disease over 10 years in persistently antiphospholipid antibody (aPL)-positive…
  • Abstract Number: 2652 • 2013 ACR/ARHP Annual Meeting

    Ovarian Reserve In Women With Primary Antiphospholipid Syndrome

    Lucas Yamakami1, Paulo Serafini2, Daniel B. Araujo3, Eloisa Bonfá4, Elaine P. Leon5, Edmund C. Baracat6 and Clovis A. Silva7, 1Gynecology Department, Faculdade de Medicina da Universidade de São Paulo, Sao Paulo, Brazil, 2MD; PhD, Sao Paulo, Brazil, 3Rheumatology, Faculdade de Medicina da Universidade de São Paulo (FMUSP), São Paulo, Brazil, 4Rheumatology Division, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil, 5Rheumatology, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil, 6Gynecology, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil, 7Pediatric Rheumatology Unit, University of São Paulo, São Paulo, Brazil

    Background/Purpose: Aging, smoking, obesity and surgery have been found to influence the quantity and quality of primordial follicles in ovaries and, ultimately, the ovarian reserve.…
  • Abstract Number: 2553 • 2013 ACR/ARHP Annual Meeting

    The Clinical Value Of Testing For Aphl, a New ELISA Kit With a Unique Phospholipid Mixture In Patients With Systemic Lupus Erythematosus (SLE)

    Savino Sciascia1, Giovanni Sanna2, Veronica Murru3, Munther A. Khamashta4 and Maria Laura Bertolaccini3, 1Department of Rare, Immunologic, Hematologic and Immunohematologic Diseases, Centro di Immunopatologia e Documentazione su Malattie rare, Torino, Italy, 2Louise Coote Lupus Unit, St. Thomas' Hospital, London, United Kingdom, 3Lupus Research Unit, The Rayne Institute, Kings College London School of Medicine, London, United Kingdom, 4Lupus Research Unit, The Rayne Institute, St Thomas Hospital, Kings College London School of Medicine, London, United Kingdom

    Background/Purpose:  Antibodies directed to APhL (a mixture of phospholipids) have been reported to predict APS more reliably than aCL tests. We designed this study to…
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