Abstracts tagged "antiphospholipid syndrome"

Abstract Number: 1792 • ACR Convergence 2020
Platelet-bound C4d Is Associated with an Increased Risk of Arterial and Venous Thromboses in SLE
Yevgeniya Gartshteyn¹, Roberta Vezza Alexander², John Conklin³, Thierry Dervieux⁴ and Anca Askanase⁵, ¹Columbia University College of Physicians and Surgeons, Glen Rock, NJ, ²Exagen Inc, Vista, CA, ³Exagen Inc., Vista, CA, ⁴Prometheus Biosciences Inc, San Diego, CA, ⁵Columbia University College of Physicians and Surgeons, New York, NY
Background/Purpose: Platelet-bound complement activation products (PC4d), defined as PC4d20 net mean fluorescent intensity [MFI], or a thrombotic risk score that includes PC4d, C3 and anti-phosphatidylserine/prothrombin…
Abstract Number: 0527 • ACR Convergence 2020
Rituximab for Refractory Manifestations of the Antiphospholipid Syndrome: A Multicenter Israeli Experience
Nancy Agmon-Levin¹, Mark Berman², Liora Harel³, Merav Lidar⁴, Soad Hajyahia¹ and Daphna Paran⁵, ¹Clinical Immunology, Angioedema and Allergy Unit, Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel, ²Tel Aviv Sourasky Medical Center, Tel Aviv, Israel, ³Scheider Children's Medical Center of Israel, Tel Aviv University, Tel Aviv, Israel, Petach Tikva, Israel, ⁴Rheumatology unit, Center for Autoimmune Diseases, Sheba Medical Center, Tel Hashomer, Hod Hasharon, Israel, ⁵Department of Rheumatology, Tel Aviv Medical Center, Tel Aviv, Israel
Background/Purpose: The clinical manifestations of the antiphospholipid syndrome (APS) are heterogeneous and related to anti-phospholipid antibodies (aPL). There is some evidence that B cells are…
Abstract Number: 012 • 2020 Pediatric Rheumatology Symposium
Pediatric Antiphospholipid Syndrome: Clinical Features and Therapeutic Interventions in a Series of 22 Cases
Jacqueline Madison¹ and Jason Knight ¹, ¹University of Michigan, Ann Arbor
Background/Purpose: Pediatric antiphospholipid syndrome (APS) is a thromboinflammatory disease classically defined by the presence of circulating antiphospholipid antibodies and either thrombotic events or pregnancy morbidity.…
Abstract Number: 19 • 2019 ACR/ARP Annual Meeting
Inhibition of IkB Kinase-IKK Complex of Canonical NF-κB Pathway in Antiphospholipid Antibody-Mediated Endothelial Cell Activation
Rohan Willis¹, Elizabeth Papalardo ¹, Mohammad Jamaluddin ¹, Zurina Romay-Penabad ¹, Alvaro Schleh ¹, Allan Brasier ¹ and Emilio B Gonzalez ², ¹University of Texas Medical Branch, Galveston, TX, ²University of Texas Medical Branch, Galveston
Background/Purpose: Antiphospholipid antibodies (aPL) activate several target cell types leading to inflammatory damage and thrombosis in the antiphospholipid syndrome (APS). NF-κB activation is essential for…
Abstract Number: 305 • 2019 ACR/ARP Annual Meeting
Naming Is Everything! the Cost of Inappropriate “Lupus Panel” Testing
Caleb Anderson¹, Roger Stitt ² and Robert O'Brian ¹, ¹Walter Reed National Military Medical Center, Bethesda, MD, ²US Army, Ft Eustis
Background/Purpose: Greater emphasis has been placed on cost saving measures due to ballooning healthcare cost in the U.S. ACGME now evaluates trainee ability to practice…
Abstract Number: 20 • 2019 ACR/ARP Annual Meeting
Comparative Efficacy of Beta-2-Glycoprotein I Domain V Structural Analogue Variants in Preventing Antiphospholipid Antibody-Mediated Endothelial Cell Activation
Rohan Willis¹, Elizabeth Papalardo ¹, Mohammad Jamaluddin ¹, Zurina Romay-Penabad ¹, Alvaro Schleh ¹, Allan Brasier ¹ and Emilio B Gonzalez ², ¹University of Texas Medical Branch, Galveston, TX, ²University of Texas Medical Branch, Galveston
Background/Purpose: In previous studies, our group has demonstrated that a synthetic 20 amino acid peptide (“TIFI”) with structural similarity to Beta-2-Glycoprotein I Domain V (β2GPI…
Abstract Number: 1788 • 2019 ACR/ARP Annual Meeting
Anti-neutrophil Extracellular Trap (NET) Autoantibodies in Primary Antiphospholipid Syndrome
Yu Zuo¹, Srilakshmi Yalavarthi ², Kelsey Gockman ², David Karp ³, Quan-Zhen Li ⁴ and Jason Knight ⁵, ¹University of Texas Southwestern, Dallas, TX, ²University of Michigan, Ann Arbor, MI, ³UTSouthwestern Medical Center, Dallas, TX, ⁴Department of Immunology & Internal Medicine/University of Texas Southwestern Medical Center, Charleston, ⁵Division of Rheumatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI
Background/Purpose: Neutrophil extracellular traps (NETs) are prothrombotic tangles of chromatin and microbicidal proteins ejected from neutrophils in response to a variety of stimuli. In antiphospholipid…
Abstract Number: 73 • 2019 ACR/ARP Annual Meeting
Potent Anti-neutrophil Properties of the Natural Compound 6-Gingerol in Models of Lupus and Antiphospholipid Syndrome
Ramadan Ali¹, Julia Weiner ¹, Alex Gandhi ¹, Shanea Estes ¹ and Jason Knight ², ¹University of Michigan, Ann Arbor, MI, ²Division of Rheumatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI
Background/Purpose: 6-gingerol, the major bioactive compound of ginger root, is known to have anti-inflammatory and anti-oxidative effects. Indeed, ginger has been employed for millennia as…
Abstract Number: 1792 • 2019 ACR/ARP Annual Meeting
Cognitive Dysfunction (CD) and Serum Levels of Brain-Derived Neurotrophic Factor (BDNF) in Primary Antiphospholipid Syndrome (PAPS)
Renata Rosa¹, Michelle Remião Ugolini-Lopes ², Ana Paula Gandara ², Kenia Campanholo ², Livia Dutra ³ and Danieli Andrade ⁴, ¹Faculdade de Medicina da Universidade de São Paulo (USP), Brazil., São Paulo, Sao Paulo, Brazil, ²Faculdade de Medicina da Universidade de São Paulo (USP), Brazil., São Paulo, Brazil, ³Escola Paulista de Medicina (EPM), Brazil, São Paulo, Brazil, ⁴Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, Brazil
Background/Purpose: Cognition dysfunction (CD) is a poorly understood non-stroke central neurologic manifestation of antiphospholipid syndrome, whose diagnosis involves a specific neuropsychological (NP) evaluation. Brain-derived neurotrophic…
Abstract Number: 88 • 2019 ACR/ARP Annual Meeting
Type I Interferon Signature Activation in Antiphospholipid Syndrome: Gene Expression Heterogeneity Among Disease Subsets
Irene Cecchi¹, Massimo Radin ¹, Elena Rubini ¹, Silvia Grazietta Foddai ¹, Ana Suarez ², Elisa Menegatti ¹, Dario Roccatello ¹, Savino Sciascia ³ and Javier Rodriguez Carrio ², ¹University of Turin, Turin, Italy, ²University of Oviedo, Oviedo, Spain, ³Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Torino, Italy
Background/Purpose: Type I Interferons (IFN) play a key role in the pathogenesis and evolution of various autoimmune diseases. Previous studies have demonstrated that the expression…
Abstract Number: 1793 • 2019 ACR/ARP Annual Meeting
Descriptive Analysis of Biopsy-proven Antiphospholipid Antibody-associated Nephropathy Patients Included in the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) Clinical Database and Repository (“Registry”)
Maxime Taghavi¹, Medha Barbhaiya ², Maria Tektonidou ³, Paul Fortin ⁴, Danieli Andrade ⁵, Jason Knight ⁶, Bahar Artim-Esen ⁷, Tatsuya Atsumi ⁸, Hannah Cohen ⁹, Lanlan Ji ¹⁰, Savino Sciascia ¹¹, Surya Seshan ¹², Doruk Erkan ¹³ and on Behalf of APS ACTION ¹⁴, ¹Brugmann Hospital, Brugmann, Belgium, ²Hospital for Special Surgery, Weill Cornell Medicine, New York, NY, ³First Department of Internal Medicine, National and Kapodistrian University of Athens, Athens, Greece, Athens, Greece, ⁴Division de Rhumatologie, Département de Médecine, CHU de Québec – Université Laval, Axe maladies infectieuses et inflammatoires, Centre de recherche du CHU de Québec – Université Laval, Canada, Quebec, QC, Canada, ⁵Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, Brazil, ⁶Division of Rheumatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, ⁷Istanbul University School of Medicine, Istanbul, Turkey, ⁸Hokkaido University, Sapporo, Japan, ⁹University College London, London, United Kingdom, ¹⁰Peking University First Hospital, Beijing, China (People's Republic), ¹¹Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Torino, Italy, ¹²Weill Cornell Medicine, New York, ¹³Hospital for Special Surgery, New York City, ¹⁴Hospital for Special Surgery, New York
Background/Purpose: Antiphospholipid antibody (aPL) nephropathy is a distinct entity that can be challenging to recognize and treat; it remains unknown if uniform pathologic criteria are…
Abstract Number: 126 • 2019 ACR/ARP Annual Meeting
Antibodies Targeting Mitochondrial Antigens Are Associated with Reduced Thrombotic Events in APS
Yann Becker¹, Anne-Sophie Julien ², Alexandra Godbout ³, Éric Boilard ³ and Paul Fortin ⁴, ¹Département de microbiologie et immunologie, Centre de recherche du CHU de Québec - Université Laval, Canada, Quebec, QC, Canada, ²Service de consultation statistique (SCS). Département de mathématiques et de statistique, Québec, QC, Canada, ³Axe maladies infectieuses et inflammatoires, Centre de recherche du CHU de Québec – Université Laval, Québec, Qc, Canada, Québec, QC, Canada, ⁴Division de Rhumatologie, Département de Médecine, CHU de Québec – Université Laval, Axe maladies infectieuses et inflammatoires, Centre de recherche du CHU de Québec – Université Laval, Canada, Quebec, QC, Canada
Background/Purpose: Mitochondria are intracellular organelles involved in many biological pathways such as energy supply by oxidative phosphorylation and apoptosis. Mitochondria are considered as derived from…
Abstract Number: 1962 • 2019 ACR/ARP Annual Meeting
Whole Transcriptome Analysis Maps Proinflammatory and Procoagulant Pathways in aPL Treated HUVECs
Markos Patsouras ¹, Panagiota Karagianni ¹, Marios Agelopoulos ², Spyros Foutadakis ², Eirini Alexopoulou ² and Panagiotis Vlachoyiannopoulos³, ¹Department of Pathophysiology, Medical School, National and Kapodistrian University of Athens, Greece, Athens, ²Biomedical Research Foundation, Academy of Athens, ATHENS, ³University General Hospital of Athens “Laiko”, Athens, Greece
Background/Purpose: Antiphospholipid syndrome is an autoimmune thrombophillia characterized by recurrent thromboembolism and or pregrancy morbidity in the presence of antiphospholipid antibodies (aPL), which recognize either…
Abstract Number: 127 • 2019 ACR/ARP Annual Meeting
Elevated Levels of the Neutrophil Extracellular Trap-binding Protein LILRA3 in Primary Antiphospholipid Syndrome
Hui Shi¹, Srilakshmi Yalavarthi ², Jianping Guo ³ and Jason Knight ⁴, ¹University of Michigan, Ann Arbor, ²University of Michigan, Ann Arbor, MI, ³Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, China (People's Republic), ⁴Division of Rheumatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI
Background/Purpose: The leukocyte immunoglobulin-like receptor A3 (LILRA3) gene encodes the only soluble receptor within the LILR family. LILRA3 polymorphisms have been associated with both rheumatoid…
Abstract Number: 128 • 2019 ACR/ARP Annual Meeting
Metabolomics Analysis Identifies Biomarkers for APS and Suggests a Potential New Pathway Related to APS Pathogenesis
Chun Li ¹, Yu Zuo², Jason Knight ³, Juan Feng ⁴, Xian Wang ⁴, David Karp ⁵ and Zhanguo Li ⁶, ¹Peking Univerisity People's Hospital, Beijing, China (People's Republic), ²University of Texas Southwestern, Dallas, TX, ³Division of Rheumatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, ⁴Peking University School of Basic Medical Science, Beijing, China (People's Republic), ⁵UTSouthwestern Medical Center, Dallas, TX, ⁶People's Hospital, Beijing University Medical School, Beijing, China (People's Republic)
Background/Purpose: The metabolic disturbances that underlie antiphospholipid syndrome (APS) are currently unknown. The goal of this study was to utilize high-throughput metabolomics screening to identify…