Abstracts tagged "antiphospholipid syndrome"

Abstract Number: 1267 • ACR Convergence 2024
Antiphospholipid Antibody-related Clinical Manifestations Presenting During Childhood versus Adulthood: Descriptive Results from the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) Clinical Database and Repository (“Registry”)
Jheel Pandya¹, Danieli Andrade², Ann E. Clarke³, Maria Tektonidou⁴, Vittorio Pengo⁵, Massimo Radin⁶, Jose Pardos-Gea⁷, Nina Kello⁸, Diana Paredes-Ruiz⁹, Mª Angeles Aguirre-Zamorano¹⁰, H Michael Belmont¹¹, Paul Fortin¹², Flavio Victor Signorelli¹³, TATSUYA ATSUMI¹⁴, Zhuoli Zhang¹⁵, Maria Efthymiou¹⁶, David Branch¹⁷, Giulia Pazzola¹⁸, Angela Tincani¹⁹, Ali Duarte-Garcia²⁰, Esther Rodriguez-Almaraz²¹, Michelle Petri²², Ricard Cervera²³, Bahar Artim Esen²⁴, Guillermo Pons-Estel²⁵, Hui Shi²⁶, Yu Zuo²⁷, Rohan Willis²⁸, Pierluigi Meroni²⁹, Robert Roubey³⁰, Maria Laura Bertolaccini³¹, Hannah Cohen³² and Doruk Erkan¹, and on behalf of APS ACTION, ¹Hospital for Special Surgery, New York, NY, ²University of São Paulo, São Paulo, SP, Brazil, ³Division of Rheumatology, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, ⁴National and Kapodistrian University of Athens, Athens, Greece, ⁵Thrombosis Research Laboratory, Department of Cardio-Thoracic-Vascular Sciences and Public Health, University of Padova, Padova, Italy, ⁶University of Turin, Turin, Italy, ⁷Vall d'Hebron University Hospital, Barcelona, Spain, ⁸Northwell Health, Brooklyn, NY, ⁹Autoimmune Diseases Research Unit. Biocruces Bizkaia Health Research Institute, Baracaldo, Spain, ¹⁰IMIBIC/Reina Sofia Hospital/University of Cordoba, CÓRDOBA, Andalucia, Spain, ¹¹NYU School of Medicine, New York, NY, ¹²Centre ARThrite - CHU de Québec - Université Laval, Quebec, QC, Canada, ¹³Universidade do Estado do Rio de Janeiro, Rio De Janeiro, Brazil, ¹⁴Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, ¹⁵Peking University First Hospital, Beijing, China, ¹⁶University College London, London, United Kingdom, ¹⁷University of Utah and Intermountain Healthcare, Salt Lake City, UT, ¹⁸Rheumatology Unit, Azienda USL IRCCS di Reggio Emilia, Reggio Emilia, Italy, ¹⁹ASST Spedali Civili-University of Brescia, Brescia, Italy, ²⁰Mayo Clinic, Rochester, MN, ²¹Hospital Universitario 12 de Octubre, Madrid, Spain, ²²Johns Hopkins University School of Medicine, Timonium, MD, ²³Hospital Clinic de Barcelona, Barcelona, Spain, ²⁴Istanbul University, Istanbul Faculty of Medicine, Division of Rheumatology, Istanbul, Turkey, ²⁵CREAR, Rosario, Argentina, ²⁶Department of Rheumatology and lmmunology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, Shanghai, China (People's Republic), ²⁷University of Michigan, Ann Arbor, MI, ²⁸University of Texas Medical Branch, Galveston, TX, ²⁹IRCCS Istituto Auxologico Italiano 100%, Cusano Milanino, Milan, Milan, Italy, ³⁰Division of Rheumatology, Allergy, and Immunology, University of North Carolina, Chapel Hill, NC, ³¹King's College London, London, United Kingdom, ³²University College London Hospitals NHS Foundation Trust, London, United Kingdom
Background/Purpose: APS ACTION Registry studies long-term outcomes in persistently antiphospholipid antibody (aPL)-positive patients with/without other systemic autoimmune rheumatic diseases. Given autoimmune diseases present differently in…
Abstract Number: 0110 • ACR Convergence 2024
Binding Characteristics of Patient Clusters Among Anticardiolipin and Anti-β2-Glycoprotein I ELISA and Non-ELISA Assays: A Survey by the Association of Medical Laboratory Immunologists
Rohan Willis¹, Vijaya Murthy², Karen Roye-Green³, Amy Thees⁴, May Choi⁵, Ken Dier⁶, Marvin Fritzler⁷, Susan Fink⁸, Vijayalakshmi Nandakumar⁹, Melissa Snyder¹⁰ and Anne Tebo¹¹, and the Association of Medical Laboratory Immunologists, ¹University of Texas Medical Branch, Galveston, TX, ²University of Texas Medical Branch (UTMB), League City, TX, ³University of the West Indies, Kingston, Jamaica, ⁴Clinical Immunology Laboratory, Rosalind Franklin University of Medicine and Science, North Chicago, IL, ⁵University of Calgary, Calgary, AB, Canada, ⁶Corgenix, Broomfield, CO, ⁷Mitogen Diagnostics Corp, Calgary, AB, Canada, ⁸Clinical Immunology Laboratory, University of Washington Medical Center, Seattle, WA, ⁹ARUP/University of Utah, Salt Lake City, UT, ¹⁰Clinical Biochemistry and Immunology, Antibody Immunology Laboratory, Mayo Clinic, Rochester, MN, ¹¹Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
Background/Purpose: We have recently shown that anti-phospholipid (APL) assays of varying methodology demonstrate comparable analytical performance despite variable levels of agreement among individual analytes, identifying binding…
Abstract Number: 0126 • ACR Convergence 2024
Underdiagnosis Prediction Fingerprint for Antiphospholipid Syndrome Derived from Electronic Health Record Data
Emily Balczewski¹, Amala Ambati², Wenying Liang¹, Jacqueline Madison¹, Yu Zuo¹, Karandeep Singh³ and Jason Knight¹, ¹University of Michigan, Ann Arbor, MI, ²University of Michigan, Toledo, OH, ³University of California -- San Diego, San Diego, CA
Background/Purpose: Antiphospholipid syndrome (APS) is a rare autoimmune disease that is likely to demonstrate improved outcomes with earlier diagnosis and treatment. However, given APS’s complex,…
Abstract Number: 1556 • ACR Convergence 2024
Efficacy and Safety of Anifrolumab Across Organ Domains of Systemic Lupus Erythematosus. A Systematic Review and Meta-Analysis
Mohammad Taha¹, Yomna W Mahmoud¹, Mohammad Ramadan¹, sarah nasir¹, Mariam salah¹, Yassin shenawy², doaa gadelrab¹ and Muhammad abuawwad¹, and ARC team, ¹Cairo university, Cairo, Egypt, ²cairo, cairo, Egypt

Background/Purpose: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease affecting multiple organ systems. Anifrolumab is a monoclonal antibody that antagonizes type I interferon receptors,…
Abstract Number: 0111 • ACR Convergence 2024
Comparative Performance of ELISA and CLIA Against the 2023 ACR/EULAR APS Classification Criteria
Polona Zigon¹, Nika Bostič¹, Ziga Rotar², Ales Ambrozic³, Elizabeta Blokar³, Manca ogrič¹ and Sasa Cucnik¹, ¹Department of Rheumatology, University Medical Centre Ljubljana, Ljubljana, Slovenia, ²University Medical Centre Ljubljana and University of Ljubljana, Ljubljana, Slovenia, ³Department of Rheumatology, University Medical Centre Ljubljana, Ljubljana
Background/Purpose: Recently published 2023 ACR/EULAR APS classification criteria emphasize delineating moderate/high anticardiolipin (aCL) and anti-β2 glycoprotein I (anti-β2GPI) antibodies. The new criteria specify the use…
Abstract Number: 0127 • ACR Convergence 2024
Unsupervised Machine Learning Improves Clinical Stratification and Prognostic Evaluation for Antiphospholipid Syndrome: A Large Cohort Study from China
Chen Chen¹, Ao Zhang², Jianhui Cheng³, Zhongqiang Yao⁴, Juan Meng⁵, Yilu Qin⁶, Qingyi Lu¹, Yufei Li¹, Xiangjun Liu¹, Tianhao Li⁷, Chao Hou⁷, Yundi Tang¹, Hongjiang Liu⁸, Ning Xu¹, Sai Dong¹, Xinxin Li³, Fangmin Xu², Jianping Guo¹ and Chun Li¹, ¹Peking University People's Hospital, Beijing, China, ²Beijing University of Posts and Telecommunications, Beijing, China, ³State Key Laboratory of Neurology and Oncology Drug Development, Nanjing, China (People's Republic), ⁴Peking University Third Hospital, Beijing, China, ⁵Beijing Chaoyang Hospital Affiliated to Capital Medical University, Beijing, China, ⁶Affiliated Xinxiang Central Hospital of Xinxiang Medical University, Xinxiang, China (People's Republic), ⁷Peking University Health Science Center, Beijing, China, ⁸West China Hospital, Sichuan University, Chengdu, China (People's Republic)
Background/Purpose: Antiphospholipid syndrome (APS) is a complex disease characterized by the presence of anti-phospholipid antibodies (aPLs). Its significant clinical heterogeneity brings clinical and therapeutical challenges.…
Abstract Number: 1702 • ACR Convergence 2024
Placental Developmental Defects in a Humanized-TLR8 Mouse Model of Spontaneous Anti-Phospholipid Antibody Induced Pregnancy Loss
Yunwei Xia¹, Naomi I. Maria², Zhengzi Yi³, Chirag Raparia⁴, Gayathri Konanur Gopikrishna¹, Weijia Zhang³ and Anne Davidson², ¹Feinstein Institutes for Medical Research, Manhasset, ²Feinstein Institutes for Medical Research, Manhasset, NY, ³Mt. Sinai School of Medicine, New York, NY, ⁴Donald and Barbara Zucker School of Medicine At Hofstra/Northwell, Shoreham, NY
Background/Purpose: Antiphospholipid antibodies (aPL) confer a high risk for adverse pregnancy outcomes, especially in women with SLE. aPLs can induce pro-inflammatory signaling via TLR8 receptors,…
Abstract Number: 0096 • ACR Convergence 2023
Performance Assessment of Lupus Anticoagulant Tests Using Taipan and Ecarin Snake Venom Clotting Times: An International Study from Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Core Laboratories
Maria Efthymiou¹, Ian Mackie¹, Rohan Willis², Vittorio Pengo³, Danieli Andrade⁴, Elisa Bison³, Olga Amengual⁵, Zurina Romay-Penabad⁶, Yuichiro Fujieda⁵, Maria Laura Bertolaccini⁷, Doruk Erkan⁸, Hannah Cohen⁹ and On Behalf Of APS ACTION¹⁰, ¹University College London, London, United Kingdom, ²University of Texas Medical Branch, Galveston, TX, ³Department of Cardiac-Thoracic-Vascular Sciences and Public Health University of Padova, Padova, Italy, ⁴University of São Paulo, São Paulo, Brazil, ⁵Hokkaido University, Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Sapporo, Japan, ⁶Antiphospholipid Standardization Laboratory, Division of Rheumatology, University of Texas Medical Branch, TX, ⁷King's College London, London, United Kingdom, ⁸Hospital for Special Surgery, New York, NY, ⁹University College London Hospitals NHS Foundation Trust, London, United Kingdom, ¹⁰on behalf of APS ACTION, New York, NY
Background/Purpose: Lupus anticoagulant (LA) test performance is critical for APS diagnosis and management. However, variability remains a challenge in LA testing, particularly in anticoagulated samples,…
Abstract Number: 0112 • ACR Convergence 2023
Molecular Stratification of Antiphospholipid Syndrome Patients Through Integrative Analysis of the Whole-blood RNA Transcriptome
Amala Ambati¹, Feiyang Ma¹, Katarina Kmetova¹, Sherwin Navaz¹, Claire Hoy¹, Cyrus Sarosh¹, Ajay Tambralli¹, Johann E. Gudjonsson¹, J. Michelle Kahlenberg¹, Jacqueline Madison¹, Ali Duarte-Garcia², Jason Knight¹ and Yu Zuo¹, ¹University of Michigan, Ann Arbor, MI, ²Mayo Clinic, Rochester, MN
Background/Purpose: Antiphospholipid syndrome (APS) is an acquired thrombo-inflammatory disease associated with diverse clinical manifestations in the setting of persistent antiphospholipid antibodies (aPL). Early diagnosis and…
Abstract Number: 2324 • ACR Convergence 2023
Leveraging ChatGPT for Real-World Systematic Lupus Erythematosus Data Curation from Electronic Health Records: A Feasibility Study
Lixia Yao, Liwam Gebru, Biruk Aweke, Jay Patel, Ernest Vina, David Fleece and Huanmei Wu, Temple University, Philadelphia, PA
Background/Purpose: Epidemiologists, health services researchers, and health outcome investigators have begun utilizing real-world data (RWD) to gain valuable insights into disease patterns, treatment outcomes, and…
Abstract Number: 0097 • ACR Convergence 2023
Transient Ischemic Attack in Antiphospholipid Antibody-positive Patients: Retrospective and Prospective Results from the AntiPhospholipid Syndrome Alliance for Clinical Trials and InternatiOnal Networking (APS ACTION) Clinical Database and Repository (“Registry”)
Zeynep Belce Erton¹, Jonathan Thaler², Danieli Andrade³, Megan Barber⁴, Maria Tektonidou⁵, Savino Sciascia⁶, Vittorio Pengo⁷, Jose Pardos-Gea⁸, Guillermo Ruiz-Irastorza⁹, Chary Lopez-Pedrera¹⁰, H Michael Belmont¹¹, Kello Nina¹², Paul R. Fortin¹³, Stéphane Zuily¹⁴, Cecilia Chighizola¹⁵, Flavio Victor Signorelli¹⁶, Zhuoli Zhang¹⁷, Tatsuya Atsuma¹⁸, Maria Efthymiou¹⁹, D. Ware Branch²⁰, Cecilia Nalli²¹, Esther Rodriguez almaraz²², Michelle Petri²³, Giulia Pazzola²⁴, Ricard Cervera²⁵, Bahar Artim Esen²⁶, Hui Shi²⁷, Yu Zuo²⁸, Rosana M Quintana²⁹, Rohan Willis³⁰, Ali Duarte-Garcia³¹, Maria Laura Bertolaccini³², Hannah Cohen³³, Doruk Erkan² and On Behalf Of APS ACTION³⁴, ¹SUNY Downstate Medical Center, Brooklyn, NY, ²Hospital for Special Surgery, New York, NY, ³University of São Paulo, São Paulo, Brazil, ⁴University of Calgary, Division of Rheumatology, Cumming School of Medicine, Calgary, AB, Canada, ⁵Joint Academic Rheumatology Program, First Department of Propedeutic and Internal Medicine, National and Kapodistrian University of Athens, Athens, Greece, ⁶University of Turin, Torino, Italy, ⁷Department of Cardiac-Thoracic-Vascular Sciences and Public Health University of Padova, Padova, Italy, ⁸Vall d'Hebron University Hospital, Barcelona, Spain, ⁹Hospital Universitario Cruces, Barakaldo, Spain, ¹⁰IMIBIC - Reina Sofia Hospital, Córdoba, Spain, ¹¹NYU School of Medicine, New York, NY, ¹²Northwell Health, Brooklyn, NY, ¹³Centre ARThrite - CHU de Québec - Université Laval, Quebec City, QC, Canada, ¹⁴Lorraine University, Vandoeuvre-lès-Nancy, France, ¹⁵University of Milan, Milan, Italy, ¹⁶University of São Paulo, Rio De Janeiro, Brazil, ¹⁷Peking University First Hospital, Rheumatology and Immunology Department, Beijing, China, ¹⁸Hokkaido University, Department of Rheumatology, Endocrinology and Nephrology, Sapporo, Japan, ¹⁹University College London, London, United Kingdom, ²⁰University of Utah, Salt Lake City, UT, ²¹Rheumatology and Clinical Immunology, ASST Spedali Civili of Brescia, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy, ²²Hospital Universitario 12 de Octubre, Madrid, Spain, ²³Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Timonium, MD, ²⁴Azienda Ospedaliera Santa Maria Nuova di Reggio Emilia, Reggio Emilia, Italy, ²⁵Hospital Clínic de Barcelona, Barcelona, Spain, ²⁶Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Division of Rheumatology, Istanbul, Turkey, ²⁷Rijin Hospital, Shanghai, China, ²⁸University of Michigan, Ann Arbor, MI, ²⁹Centro Regional de Enfermedades Autoinmunes y Reumticas (CREAR), Grupo Oroño, Rosario, Argentina, ³⁰University of Texas Medical Branch, Galveston, TX, ³¹Mayo Clinic, Rochester, MN, ³²King's College London, London, United Kingdom, ³³University College London Hospitals NHS Foundation Trust, London, United Kingdom, ³⁴on behalf of APS ACTION, New York, NY
Background/Purpose: APS ACTION Registry aims to study the course of disease in antiphospholipid antibody (aPL)-positive patients. Although transient ischemic attack (TIA) can develop in aPL-positive…
Abstract Number: 0113 • ACR Convergence 2023
Serum Myeloperoxidase (MPO)-DNA Complexes and Serum Calprotectin Differentiate Isolated Thrombotic Antiphospholipid Syndrome from Isolated Obstetric Antiphospholipid Syndrome
Ruyu Liang¹, Ranran Yao², Ziye Wang³, Wenwen Pei², Renge Liang³ and Chun Li⁴, ¹Peking University, XiCheng, China, ²Peking University, Beijing, China, ³Peking University People's Hospital, Beijing, China, ⁴Peking University People’s Hospital, Beijing, China
Background/Purpose: There is a lack of serum markers to differentiate thrombotic APS (tAPS) and obstetric APS (oAPS). Neutrophil extracellular traps (NETs) are involved in the…
Abstract Number: 2454 • ACR Convergence 2023
Endometriosis Increase Risk of Antiphospholipid Syndrome: A Propensity Score Matched Cohort Study
Zhiyong Chen¹, Shiow-Ing Wang², James Cheng-Chung Wei³ and Sheng-Ming Dai¹, ¹Department of Rheumatology and Immunology, Shanghai Sixth People’s Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China, ²Institute of Medicine, College of Medicine, Chung Shan Medical University, Taichung, Taiwan, ³Chung Shan Medical University Hospital, Department of Rheumatology, Taichung, Taiwan
Background/Purpose: Patients with endometriosis have a variety of autoimmune abnormalities. Our objective was to investigate the risk of incident antiphospholipid syndrome (APS) in patients with…
Abstract Number: 0098 • ACR Convergence 2023
Predictors of Mortality in Antiphospholipid Antibody Positive Patients: Prospective Results from Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION) Clinical Database and Repository “Registry”
Yasaman Ahmadzadeh¹, Larry Magder², Zeynep Ozge Ozdemir³, Danieli Andrade⁴, Megan R.W. Barber⁵, Maria Tektonidou⁶, Savino Sciascia⁷, Vittorio Pengo⁸, Ariadna Anunciación-Llunell⁹, Guillermo Ruiz-Irastorza¹⁰, Mª Angeles Aguirre¹¹, Michael Belmont¹², Kello Nina¹³, Paul R. Fortin¹⁴, Denis WAHL¹⁵, Maria Gerosa¹⁶, Guilherme De Jesús¹⁷, Zhuoli Zhang¹⁸, Tatsuya Atsuma¹⁹, Maria Efthymiou²⁰, D. Ware Branch²¹, Angela Tincani²², Esther Rodriguez almaraz²³, Giulia Pazzola²⁴, Ricard Cervera²⁵, Bahar Artim Esen²⁶, Hui Shi²⁷, Jason Knight²⁸, Guillermo Pons-Estel²⁹, Rohan Willis³⁰, Ali Duarte-Garcia³¹, Maria Laura Bertolaccini³², Hannah Cohen³³, Michelle Petri³⁴, Doruk Erkan³⁵ and On Behalf Of APS ACTION³⁶, ¹Roger Williams Medical Center, Providence, RI, ²University of Maryland, Baltimore, MD, ³Hacettepe University Faculty of Medicine, Department of Internal Medicine, Ankara, Turkey, ⁴University of São Paulo, São Paulo, Brazil, ⁵University of Calgary, Calgary, AB, Canada, ⁶Joint Academic Rheumatology Program, First Department of Propedeutic and Internal Medicine, National and Kapodistrian University of Athens, Athens, Greece, ⁷University of Turin, Torino, Italy, ⁸Department of Cardiac-Thoracic-Vascular Sciences and Public Health University of Padova, Padova, Italy, ⁹VHIR Vall d'Hebron Institut de Investigación, Barcelona, Spain, ¹⁰Hospital Universitario Cruces, Barakaldo, Spain, ¹¹Reina Sofía University Hospital/ Rheumatology Department, Córdoba, Spain, ¹²New York University Langone Medical Center, New York, NY, ¹³Northwell Health, Brooklyn, NY, ¹⁴Centre ARThrite - CHU de Québec - Université Laval, Quebec City, QC, Canada, ¹⁵University of Lorraine, Nancy, France, ¹⁶University of Milan, Milano, Italy, ¹⁷Universidade do Estado do Rio de Janeiro, Rio De Janeiro, Brazil, ¹⁸Peking University First Hospital, Rheumatology and Immunology Department, Beijing, China, ¹⁹Hokkaido University, Department of Rheumatology, Endocrinology and Nephrology, Sapporo, Japan, ²⁰University College London, London, United Kingdom, ²¹University of Utah, Salt Lake City, UT, ²²Rheumatology and Clinical Immunology, ASST Spedali Civili of Brescia, University of Brescia, Gussago, Italy, ²³Hospital Universitario 12 de Octubre, Madrid, Spain, ²⁴Azienda Ospedaliera Santa Maria Nuova di Reggio Emilia, Reggio Emilia, Italy, ²⁵Hospital Clínic de Barcelona, Barcelona, Spain, ²⁶Istanbul University, Istanbul Faculty of Medicine, Department of Internal Medicine, Division of Rheumatology, Istanbul, Turkey, ²⁷Rijin Hospital, Shanghai, China, ²⁸University of Michigan, Ann Arbor, MI, ²⁹CREAR, Rosario, Argentina, ³⁰University of Texas Medical Branch, Galveston, TX, ³¹Mayo Clinic, Rochester, MN, ³²King's College London, London, United Kingdom, ³³Haemostasis Research Unit, Department of Hematology, University College London, London, United Kingdom, ³⁴Department of Medicine, Division of Rheumatology, Johns Hopkins University School of Medicine, Timonium, MD, ³⁵Hospital for Special Surgery, New York, NY, ³⁶on behalf of APS ACTION, 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: 0114 • ACR Convergence 2023
Platelets Are Highly Activated and Could Participate in Immune Abnormality of APS
Yu Shi¹, Xiaofan Luo², Quan Chen³, Jiuliang zhao⁴, Mengtao Li⁴ and xiaofeng Zeng⁵, ¹Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China, ²Nankai University, Tianjin, China, ³Nankai University, Beijing, China, ⁴Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China, ⁵Department of Rheumatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
Background/Purpose: Platelets play a pivotal role in the process of coagulation and other biological process. Studies have shown multiple evidences that platelets are highly activated…

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