Abstracts tagged "Autoantibody(ies)"

Abstract Number: 0996 • ACR Convergence 2020
Bacteria-Derived Indole Drives Autoimmune Arthritis by Altering B Cell Glycosylation of Autoantibodies
Brandon Trent¹, Meagan Chriswell², Widian Jubair³ and Kristine Kuhn¹, ¹University of Colorado Anschutz Medical Campus, Aurora, CO, ²UC Denver SOM, Denver, CO, ³University of Colorado Denver, Denver, CO
Background/Purpose: Background: Dysbiosis of gut bacterial communities in rheumatoid arthritis (RA) is a noted phenomenon in both murine models and human patients; however, the mechanisms…
Abstract Number: 1391 • ACR Convergence 2020
Associations Between Autoantibodies in Systemic Sclerosis and Cancer in a National Registry
Selma Lazizi¹, Marie Hudson², Murray Baron³, Marvin Fritzler⁴ and Sabrina Hoa⁵, ¹Université de Montréal, Montreal, QC, Canada, ²Division of Rheumatology, Jewish General Hospital, Montréal, QC, Canada, ³Jewish General Hospital, Montreal, QC, Canada, ⁴Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada, ⁵Division of Rheumatology, Centre hospitalier de l'Université de Montréal, Montréal, QC, Canada
Background/Purpose: Autoantibodies are useful in systemic sclerosis (SSc) for predicting disease course. Some autoantibodies have been associated with a close temporal relationship with cancer. We…
Abstract Number: 1694 • ACR Convergence 2020
Risk Factors Associated with Pneumocystis Jirovecii Pneumonia in Juvenile Myositis in North America
Sara Sabbagh¹, Jessica Neely², Albert Chow³, Marietta DeGuzman⁴, Jamie Lai⁵, Svetlana Lvovich⁶, Tara McGrath⁷, Maria Pereira⁸, Iago Pinal-Fernandez⁹, Jordan Roberts¹⁰, Kelly Rouster-Stevens¹¹, Heinrike Schmeling¹², Anjali Sura¹³, Gabriel Tarshish¹⁴, Lori Tucker¹⁵, Lisa G. Rider¹⁶ and Susan Kim¹⁷, ¹Medical College of Wisconsin, Fox Point, WI, ²UCSF, San Francisco, CA, ³Loma Linda University, San Bernardino, CA, ⁴Baylor College of Medicine, Houston, ⁵University of Colorado, The Woodlands, TX, ⁶St Christopher's Hospital for Children, Philadelphia, PA, ⁷University of British Columbia, Vancouver, BC, Canada, ⁸Baylor College of Medicine, Houston, TX, ⁹National Institutes of Health, Bethesda, MD, ¹⁰Boston Children's Hospital, Boston, MA, ¹¹Emory University/Children's Healthcare of Atlanta, Atlanta, GA, ¹²University of Calgary, Calgary, AB, Canada, ¹³Upstate University Hospital, Syracuse, NY, ¹⁴Children's Hospital at Montefiore, New York, NY, ¹⁵BC Children's Hospital, Vancouver, BC, Canada, ¹⁶Environmental Autoimmunity Group, Clinical Research Branch, NIEHS, NIH, Garrett Park, MD, ¹⁷UCSF Benioff Children's Hospital, San Francisco, CA
Background/Purpose: Pneumocystis jirovecii pneumonia (PJP) is associated with significant morbidity and mortality in adult myositis patients; however, few studies have examined PJP in juvenile myositis…
Abstract Number: 0519 • ACR Convergence 2020
Thrombotic and Obstetric Associations of Non-Criteria Antiphospholipid Immunoassays That Detect Antibodies to Neutral and Negatively-Charged Phospholipid
Rohan Willis¹, E Nigel Harris², Vijaya Murthy³, Zurina Romay-Penabad¹, Alvaro Schleh⁴, Monica Smikle², Karel De Ceulaer², Anne Tebo⁵, Troy Jaskowski⁶, Marta Guerra⁷, David Ware Branch⁸, Jane Salmon⁷, Michelle Petri⁹ and Emilio Gonzalez¹, ¹University of Texas Medical Branch, Galveston, TX, ²University of the West Indies, Kingston, Jamaica, ³University of Texas Medical Branch, League City, TX, ⁴Antiphospholipid Standardization Laboratory, GALVESTON, TX, ⁵Department of Pathology, University of Utah, Salt Lake City, ⁶ARUP Laboratories, Salt Lake City, UT, ⁷Hospital for Special Surgery, New York, NY, ⁸University of Utah, Salt Lake City, ⁹Johns Hopkins University School of Medicine, Baltimore
Background/Purpose: Criteria antiphospholipid (aPL) antibodies that identify antiphospholipid syndrome (APS) patients, anticardiolipin (aCL) and anti-β2glycoprotein-I (anti-β2GPI), have demonstrated inconsistent specificity and sensitivity in this regard…
Abstract Number: 0997 • ACR Convergence 2020
Novel Shared Antibody Specificities in Ro Antibody Negative Sjögren’s Syndrome
Sherri Longobardi¹, Constantin Georgescu², Christina Lawrence³, Charmaine Moya³, Jonathan Wren⁴, Judith James⁵, Kathy Sivils³ and A. Darise Farris⁶, ¹Graduate Program in Biological Sciences, University of Oklahoma Health Sciences Center; Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Genes & Human Disease Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁴Genes & Human Disease Program, Oklahoma Medical Research Foundation, Oklahoma City, ⁵Oklahoma Medical Research Foundation, Oklahoma City, ⁶Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City
Background/Purpose: Sjögren’s syndrome (SS) is a rheumatic autoimmune disease characterized by focal lymphocytic infiltrates in the lacrimal and salivary glands, severe dry mouth and eyes,…
Abstract Number: 1398 • ACR Convergence 2020
The Isolated Nucleolar Pattern ANA Antibody in a Systemic Sclerosis Patient Cohort
Sabrina Elliott¹, Duncan Moore² and Virginia Steen², ¹MedStar Georgetown Hospital, Alexandria, VA, ²Division of Rheumatology, Department of Medicine, MedStar Georgetown University Hospital, Washington, DC
Background/Purpose: Systemic Sclerosis (SSc) patients with an isolated nucleolar patterned ANA (NUC ANA) make up about 15% of the SSc population, although the specific nucleolar…
Abstract Number: 1802 • ACR Convergence 2020
Vitamin D Level: Predictor of SLE Disease Activity in AA Cohort with CLE?
Ileannette Robledo-Vega¹, John Scheinuk², Emmanuel Pardo², Ansley Pratt², Soham Mahato³, Andrew G. Chapple² and Myriam Guevara⁴, ¹Louisiana State University Health Sciences Center, New Orlenas, LA, ²Louisiana State University, New Orleans, LA, ³LSUHSC School of Public Health, New Orleans, LA, ⁴Lousiana State University Health Sciences Center, New Orleans, LA
Background/Purpose: There are few predominant African American (AA) epidemiological studies in Cutaneous Lupus Erythematosus (CLE). The Gilliam classification divides CLE into lupus specific, acute cutaneous…
Abstract Number: 0559 • ACR Convergence 2020
Low Frequency of ANA/DFS70 Pattern Positive Result in a Large Cohort of Autoimmune/autoinflammatory Diseases Compared with First Degree Relatives and Healthy Controls Evaluated in a Single Hospital from Colombia
Consuelo Romero-Sanchez¹, Omar-Javier Calixto², Veronica Romero², Diana Rincon Riano³, Julio Amador², Luis Castro², Pedro Lopez-Mojica⁴, Daniela Marin², Diana Àcero⁵, Monica Acevedo⁵, Wilson Bautista-Molano⁶ and Juan Manuel Bello-Gualtero⁷, ¹Hospital Militar Central, Rheumatology and Immunology Department, Universidad Militar Nueva Granada / Clinical Immunology Group, Hospital Militar Central, School of Medicine, Universidad Militar Nueva Granada /Universidad El Bosque, Cellular and Molecular Immunology Group -InmuBo-, School of Dentistry, Bogotá D.C., Colombia, ²Hospital Militar Central, Universidad Militar Nueva Granada, Bogota, Colombia, ³Universidad Militar Nueva Granada, Bogota, Colombia, ⁴Hospital Militar Central, Universidad Militar Nueva Granada, BOGOTA, Distrito Capital de Bogota, Colombia, ⁵Hospital Militar Central, Bogota, Colombia, ⁶University Hospital Fundación Santa Fé de Bogotá and Universidad El Bosque, Bogotá, Colombia, ⁷Hospital Militar Central, Rheumatology and Immunology Department, Universidad Militar Nueva Granada/ Clinical Immunology Group, Hospital Militar Central, School of Medicine, Universidad Militar Nueva Granada, Bogotá D.C., Colombia
Background/Purpose: Autoimmune systemic rheumatic disease (SARD) diagnostic approach is complex and recently there are some diagnostic tools to rule-out autoimmune disease diagnoses. ANAS/DFS70 antibodies have…
Abstract Number: 1059 • ACR Convergence 2020
Anti-mitochondrial Autoantibodies Are Associated with Cardiomyopathy, Dysphagia, and Features of More Severe Disease in Adult-onset Myositis
Sara Sabbagh¹, Iago Pinal-Fernandez², Maria Casal-Dominguez³, Jemima Albayda⁴, Julie Paik⁴, Frederick W. Miller², Lisa G. Rider⁵, Andrew Mammen³ and Lisa Christopher-Stine⁴, ¹Medical College of Wisconsin, Fox Point, WI, ²National Institutes of Health, Bethesda, MD, ³NIH, Bethesda, MD, ⁴Johns Hopkins University, Baltimore, MD, ⁵Environmental Autoimmunity Group, Clinical Research Branch, NIEHS, NIH, Garrett Park, MD
Background/Purpose: We examined the prevalence of anti-mitochondrial autoantibodies (AMA) in adult- and juvenile-onset myositis longitudinal cohorts and investigated phenotypic differences between myositis patients with or…
Abstract Number: 1413 • ACR Convergence 2020
An Imbalance Between Regulatory and Inflammatory T Cell Subsets Distinguishes Systemic Autoimmune Rheumatic Disease Patients from Asymptomatic ANA+ Individuals
Emma Vanlieshout¹, Rashi Gupta¹, Dennisse Bonilla², Michael Kim³, Sindhu Johnson², Earl D. Silverman⁴, Linda Hiraki⁵, Zareen Ahmad⁶, Zahi Touma⁷, Arthur Bookman² and Joan Wither², ¹Krembil Research Institute, Toronto, ON, Canada, ²University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Toronto Western Hospital, University Health Network, Toronto, ON, Canada, ³Krembil Research Insitute, Toronto, ON, Canada, ⁴Division of Rheumatology, The Hospital for Sick Children, Translational Medicine, Research Institute, The Hospital for Sick Children, and Department of Paediatrics, University of Toronto., Toronto, ON, Canada, ⁵Division of Rheumatology, The Hospital for Sick Children, Child Health Evaluative Sciences, Research Institute, The Hospital for Sick Children, and Department of Paediatrics, University of Toronto., Toronto, ON, Canada, ⁶Mount Sinai Hospital, Toronto, ON, Canada, ⁷University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Toronto Western Hospital, University Health Network; Krembil Research Institute, Toronto, ON, Canada
Background/Purpose: The anti-nuclear antibody (ANA)-associated systemic autoimmune rheumatic diseases (SARDs) are characterized by a prolonged preclinical phase in which ANAs are produced in the absence…
Abstract Number: 1803 • ACR Convergence 2020
Ability of Innate, Adaptive, and TNF-Superfamily Immune Pathways to Characterize Disease Activity and Inform a Refined Lupus Disease Activity Immune in a Confirmatory Cohort of SLE Patients
Melissa Munroe¹, Wade DeJager², Susan Macwana², Ly Tran², Joel Guthridge², Eldon Jupe³, Daniele DeFreese³, Ryan Newhardt³, Mohan Purushothaman³, Sanjiv Sharma³, Nancy Redinger², Teresa Aberle², Stan Kamp², Cristina Arriens², Eliza Chakravarty², Joan Merrill⁴ and Judith James⁵, ¹Oklahoma Medical Research Foundation/Progentec Diagnostics, Inc., Oklahoma City, OK, ²Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Progentec Diagnostics, Inc., Oklahoma City, OK, ⁴Oklahoma Medical Research Foundation, Oklahoma City, ⁵Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK
Background/Purpose: Systemic lupus erythematosus (SLE) is a chronic autoimmune disease driven by complex immune dysregulation, involving altered immune mediators and accumulation of autoantibody (AutoAb) specificities.…

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