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Abstracts tagged "genomics"

  • Abstract Number: 1815 • ACR Convergence 2020

    Dynamic Changes in Microbiota Representation of a Gut Pathobiont and Clinical Disease Activity in Patients with Lupus Nephritis

    Doua Azzouz1, Ze Chen2, Zhi Li3, Peter Izmirly4, Jing Deng1, David Fenyo3, Jill Buyon1, Alexander Alekseyenko5 and Gregg Silverman6, 1Department of Medicine, NYU School of Medicine, New York, NY, 2Department of Microbiology, NYU School of Medicine, New York, NY, 3Institute for Systems Genetics, NYU School of Medicine, New York, NY, 4Department of Medicine, New York University School of Medicine, New York, NY, 5Medical University of South Carolina, Charleston, SC, 6Laboratory of B cell immunobiology, Department of Medicine, NYU School of Medicine, New York, NY

    Background/Purpose: From a cross-sectional cohort, we have recently identified a candidate human gut pathobiont, Ruminococcus gnavus (RG) of the Lachnospiraceae family and Blautia genus that…
  • Abstract Number: 0036 • ACR Convergence 2020

    Molecular Phenotyping of Late-Stage Knee Osteoarthritis Synovium Through Total RNA-Sequencing

    Anusha Ratneswaran1, Chiara Pastrello1, Pratibha Potla2, Osvaldo Espin-Garcia2, Starlee Lively2, Anthony Perruccio3, Raj Rampersaud2, Rajiv Gandhi2 and Mohit Kapoor4, 1University Health Network, Toronto, ON, Canada, 2Krembil RI, Toronto, Canada, 3Krembil Research Institute, UHN; University of Toronto, Toronto, ON, Canada, 4Krembil RI, Toronto, ON, Canada

    Background/Purpose: Knee Osteoarthritis (OA) is a painful, disabling condition and molecular mechanisms underlying this disease are poorly understood. In recent years, OA is increasingly viewed…
  • Abstract Number: 1860 • ACR Convergence 2020

    An Integrative Approach to Identify Heritable and De Novo Genomic Variations in Psoriatic Arthritis Mutilans and Understand Its Systems Biology

    Sara Rahmati1, Quan Li1, Dafna Gladman2, Proton Rahman3 and Vinod Chandran2, 1University Health Network, Toronto, ON, Canada, 2Krembil Research Institute, Toronto Western Hospital, Toronto, ON, Canada, 3Memorial University of Newfoundland, Department of Medicine, St John's, Canada

    Background/Purpose: Psoriasis is a chronic autoimmune skin disease that burdens ~3% of North Americans. ~24% of psoriatic patients develop psoriasis arthritis (PsA), an inflammatory disease…
  • Abstract Number: 0072 • ACR Convergence 2020

    Characterizing Heterogeneity of Synovial Macrophages in Rheumatoid Arthritis Patients

    Shang-Yang Chen1, Yidan Wang2, Anna Montgomery2, Salina Dominguez2, Carla Cuda2, Gaurav Gadhvi1, Harris Perlman2 and Deborah Winter3, 1Northwestern University, Chicago, IL, 2Northwestern University, Chicago, 3Northwestern University Division of Rheumatology, Chicago, IL

    Background/Purpose: Macrophages in the synovial lining of the joint are critical players in the pathogenesis of rheumatoid arthritis (RA). While they are potent producers of…
  • Abstract Number: 1933 • ACR Convergence 2020

    Small Vessel Vasculitis Surrounding a Preserved Temporal Artery: Search for Tissue Biomarkers with Potential Diagnostic Value

    Georgina Espígol-Frigolé1, Roser Alba-Rovira2, Salvador Naranjo-Suárez3, Magda Terenas4, Sergio Prieto-González1, Marc Corbera-Bellalta3, Javier Marco-Hernández4, Marco A. Alba1, Farah Kamberovic3, Roberto Ríos-Garcés1, Jose Hernández-Rodríguez1 and Maria C. Cid1, 1Vasculitis Research Unit, Department of Systemic Autoimmune Diseases, Hospital Clínic de Barcelona, IDIBAPS, University of Barcelona, Barcelona, Spain., Barcelona, Catalonia, Spain, 2Vasculitis Research Unit, Department of Autoimmune Diseases, Hospital Clínic, University of Barcelona, IRB-CELLEX. Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain, Barcelona, 3IDIBAPS, Barcelona, Spain, 4Hospital Clinic Barcelona, Barcelona, Spain

    Background/Purpose: Systemic vasculitides are complex and heterogeneous diseases with overlapping features that frequently pose a diagnostic challenge to clinicians. The temporal artery biopsy (TAB) is…
  • Abstract Number: 0174 • ACR Convergence 2020

    Dense Genotyping of Immunologic Loci Identifies CXCR4 as a Novel Susceptibility Locus for Systemic Juvenile Idiopathic Arthritis

    Emily Shuldiner1, Elaine Remmers2, Miranda Marion3, Marc Sudman4, Colleen Satorius5, Patricia Woo6, Sampath Prahalad7, Carl Langefeld8, Susan Thompson9, Wendy Thomson10 and Michael Ombrello11, 1NIAMS, NIH, Bethesda, 2National Human Genome Research Institute (NHGRI), NIH, Bethesda, MD, 3Wake Forest School of Medicine, Winston-Salem, 4Cincinnati Children's Hospital Medical Center, Cincinnati, 5NHGRI, NIH, Bethesda, 6Great Ormond Street Hospital, London, United Kingdom, 7Emory + Children's Pediatric Institute, Atlanta, GA, 8Wake Forest School of Medicine, Winston Salem, NC, 9Cincinnati Children's Hospital Medical Center/Univ of Cincinnati College of Medicine, Cincinnati, OH, 10Centre for Genetics and Genomics Versus Arthritis, Manchester Academic Health Science Centre, The University of Manchester, Manchester, United Kingdom, 11Translational Genetics and Genomics Unit, NIAMS, NIH, Bethesda, MD

    Background/Purpose: Systemic juvenile idiopathic arthritis (sJIA) is a severe, potentially lethal inflammatory condition. It accounts for a disproportionate share of morbidity and mortality among childhood…
  • Abstract Number: 1957 • ACR Convergence 2020

    A Single Cell Stromal Atlas Identifies Conserved Fibroblast Phenotypes Expanded in the Inflamed Synovium, Lung, Intestine, and Salivary Gland

    Ilya Korsunsky1, Kevin Wei2, Mathilde Pohin3, Edy Kim4, Jason Turner5, Saba Nayar6, Benjamin Fisher7, Karim Raza8, Matthias Friedrich9, Jennifer Marshall5, Adam Croft5, Mark Coles10, Andreas Frei11, Andrew Filer12, Francesca Barone5, Kara Lassen11, Fiona Powrie10, Christopher Buckley13, Michael Brenner2 and Soumya Raychaudhuri14, 1Brigham and Women's Hospital, Boston, MA, 2Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 3Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, Oxford, United Kingdom, 4Brigham and Women’s Hospital, Division of Pulmonary and Critical Care Medicine, Boston, MA, 5Rheumatology Research Group, Institute for Inflammation and Ageing, College of Medical and Dental Sciences, University of Birmingham, Queen Elizabeth Hospital, Birmingham, United Kingdom, 6Institute for Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom, 7University Hospitals Birmingham NHS Foundation Trust-Birmingham, Birmingham, United Kingdom, 8Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom, 9Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, United Kingdom, 10Kennedy Institute of Rheumatology, University of Oxford, Oxford, United Kingdom, 11Roche Pharma Research and Early Development, Immunology, Infectious Diseases and Ophthalmology (I2O) Discovery and Translational Area, Roche Innovation Center Basel, Basel, Switzerland, 12Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom, 13University of Birmingham, Birmingham, United Kingdom, 14Brigham and Women’s Hospital and Harvard Medical School, Boston, MA

    Background/Purpose: Pro-inflammatory fibroblasts have been independently implicated in the pathogenesis of rheumatoid arthritis (RA), inflammatory bowel disease (IBD), interstitial lung disease (ILD), and Sjogren’s syndrome…
  • Abstract Number: 0175 • ACR Convergence 2020

    Identifying Immuno-phenotypes in Juvenile Localized Scleroderma with RNA Sequencing

    Christina Schutt1, Emily Mirizio2, Kaila Schollaert-Fitch2, Claudia Salgado3, Miguel Reyes-Mugica3 and Kathryn Torok2, 1University of Pittsburgh Medical Center, Pittsburgh, PA, 2University of Pittsburgh, Pittsburgh, PA, 3University of Pittsburgh Medical Center, Pittsburgh

    Background/Purpose: Juvenile localized scleroderma (jLS) is an autoimmune disease of the skin and underlying tissue characterized by an early inflammatory infiltrate followed by fibrosis and…
  • Abstract Number: 1969 • ACR Convergence 2020

    The Dynamics of Macrophage Sub-Populations in the Inflammatory Phase Following Joint Trauma

    Samuel Hamilton1, Anna Montgomery1, Niamh Fahy2, Maximilian Mayr1, Shang-Yang Chen1, Gaurav Gadhvi1, Yvonne Bastiaansen-Jenniskens2 and Deborah Winter3, 1Northwestern University, Chicago, IL, 2Erasmus MC, Rotterdam, Netherlands, 3Northwestern University Division of Rheumatology, Chicago, IL

    Background/Purpose: Macrophages fulfill critical functions in maintaining tissue homeostasis in steady-state, as well as in inflammation and immune response.  In the joint synovium, we have…
  • Abstract Number: 0471 • ACR Convergence 2020

    Splice Site Variants in IKBKG, Encoding NEMO, Detected by a Customized Analysis of Next-Generation Sequencing Data Cause an Early-onset Autoinflammatory Syndrome of Panniculitis and Cytopenias in Male and Female Patients

    Adriana de Jesus1, Sofia Torreggiani2, Bin Lin2, Jacob Mitchell2, Eric Karlins3, Andrew Oler3, Sara Alehashemi4, Dana Kahle5, Katelin R. Honer2, Gema Souto Adeva2, Eric Hanson6, Gina Montealegre Sanchez7, Amer Khojah8, Timothy Moran9, Eveline Wu9, Chris Scott10, Timothy Ronan Leahy11, Emma Jane MacDermott11, Orla Killeen12, Thaschawee Arkachaisri13, Zoran Gucev14, Kathryn Phillippi15, Vafa Mammadova16, Gulnara Nasrullayeva16 and Raphaela Goldbach-Mansky17, 1Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Silver Spring, MD, 2Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Bethesda, MD, 3Bioinformatics and Computational Biosciences Branch/NIAID/NIH, Bethesda, MD, 4Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Clarksville, MD, 5Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Bethesda, 6Indiana University School of Medicine, Indianapolis, IN, 7NIAID/NIH, Rockville, MD, 8Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, 9UNC Chapel Hill, Chapel Hill, NC, 10University of Cape Town, Cape Town, South Africa, 11Our Lady's Children's Hospital, Dublin, Ireland, 12National Centre for Paediatric Rheumatology, CHI at Crumlin, Dublin, Ireland, 13Duke-NUS Medical School, Singapore, Singapore, 14University Children's Hospital, Medical Faculty Skopje, Skopje, Macedonia, 15Akron Children’s Hospital, Akron, OH, 16Azerbaijan Medical University, Baku, Azerbaijan, 17Translational Autoinflammatory Disease Section (TADS)/NIAID/NIH, Potomac, MD

    Background/Purpose: The Inhibitor of Kappa-B Kinase Regulatory Subunit Gamma (IKBKG) is located on the X chromosome and encodes the NF-κB essential modulator (NEMO). Loss-of-function mutations…
  • Abstract Number: 0495 • ACR Convergence 2020

    Epstein Barr Virus (EBV), an Etiologic Factor for Systemic Lupus Erythematosus (SLE), Interacts with SLE Risk Loci Through EBV-encoded Transcription Co-factors (co-TFs)

    Viktoryia Laurynenka1, Xiaoting Chen1, Sreeja Parameswaran1, Shruti Eswar2, Kenneth Kaufman3, Bahram Namjou4, Matthew Weirauch5, Leah Kottyan4 and John Harley6, 1Cincinnati Children’s Hospital Medical Center, Cincinnati, OH, 2Cincinnati Children’s Hospital Medical Center, Cincinnati, 3Cincinnati Children’s Hospital Medical Center;US Department of Veterans Affairs Medical Center, Cincinnati, OH, 4Cincinnati Children’s Hospital Medical Center/Univ of Cincinnati, Cincinnati, OH, 5Cincinnati Children’s Hospital Medical Center/Univ of Cincinnati, 535 Terrace Ave, 6Cincinnati Children's Hospital Medical Center/Univ of Cincinnati College of Medicine, Cincinnati, OH

    Background/Purpose: SLE affects millions worldwide. The etiology of this complex autoimmune disease is the consequence of both strong genetic and environmental components. Genome-wide association studies…
  • Abstract Number: 0659 • ACR Convergence 2020

    Polynesian-Specific Gout-Associated Frameshift Variant in PRPSAP1

    Megan Leask1, Nicola Dalbeth2, Lisa Stamp3, Tony Merriman4, Amanda Phipps-Green4, Ruth Topless4, James Boocock5, Hyon Choi6, Keresoma Leaupepe1 and Eli Stahl7, 1University of Otago, Dunedin, Otago, New Zealand, 2University of Auckland, Auckland, New Zealand, 3University of Otago Christchurch, Christchurch, New Zealand, 4University of Otago, Dunedin, New Zealand, 5David Geffen School of Medicine at UCLA, Los Angeles, CA, 6Massachusetts General Hospital, Department of Medicine, Division of Rheumatology, Lexington, MA, 7Mt Sinai School of Medicine, New York, NY

    Background/Purpose: Polynesian (NZ Māori and Pacific) populations have increased prevalence of gout. Hyperuricaemia is contributed to by increased urate production in the liver via the…
  • Abstract Number: 0661 • ACR Convergence 2020

    Genomic Regions Jointly Associated with eGFR and Serum Urate: Implications for Shared Genetic Etiology of Hyperuricemia and Chronic Kidney Disease

    Nick Sumpter1, Alexa Lupi2, Megan Leask3, Tony Merriman4, Ana Vazquez2 and Richard Reynolds1, 1University of Alabama at Birmingham, Birmingham, AL, 2Michigan State University, East Lansing, MI, 3University of Otago, Dunedin, Otago, New Zealand, 4University of Otago, Dunedin, New Zealand

    Background/Purpose: Gout and hyperuricemia (HU), serum urate (SU) > 6.8 mg/dL, often present in the context of chronic kidney disease. It has long been known…
  • Abstract Number: 0700 • ACR Convergence 2020

    Lipoxin A4 Induces Lipid Class Switching and Inflammation Resolution at the Genomic Level in Human Osteoarthritis

    Mandar Dave1, Abul Islam2, Akshat Parekh3, Jay Patel4, Arushi Chawla5 and Ashok Amin6, 1Department of Rheumatology and Pathology, New York University Hospital for Joint Diseases, New York, 2Department of Genetic Engineering and Biotechnology, University of Dhaka, Dhaka, Bangladesh, 3Rutgers Robert Wood Johnson Medical School, Piscataway, NJ, 4Northeast Ohio Medical University, Rootstown, OH, 5Gujarat Forensic Science University, Gujarat, India, 6Department of Rheumatology and Pathology, New York University Hospital for Joint Diseases, New York, NY

    Background/Purpose: Human OA-affected cartilage does not show the cardinal signs of inflammation (redness and swelling with heat and pain—rubor et tumor cum calore et dolor) because…
  • Abstract Number: 0839 • ACR Convergence 2020

    Single-Cell Transcriptomics of Mouse and Human Lupus Nephritis Identifies Conserved Myeloid Populations Across Species

    Paul Hoover1, Michael Peters2, David Lieb3, Rakesh Mishra4, Nir Hacohen2 and Anne Davidson5, 1Brigham and Women's Hospital, Boston, MA, 2Broad Institute, Boston, 3Broad Institute, Boston, MA, 4Feinstein Institute, Manhasset, NY, 5Northwell Health, New York

    Background/Purpose: We recently identified novel immune cell states in the kidneys of lupus nephritis patients (Arazi et al, Nature Immunology 2019). To determine the similarities…
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All abstracts accepted to ACR Convergence are under media embargo once the ACR has notified presenters of their abstract’s acceptance. They may be presented at other meetings or published as manuscripts after this time but should not be discussed in non-scholarly venues or outlets. The following embargo policies are strictly enforced by the ACR.

Accepted abstracts are made available to the public online in advance of the meeting and are published in a special online supplement of our scientific journal, Arthritis & Rheumatology. Information contained in those abstracts may not be released until the abstracts appear online. In an exception to the media embargo, academic institutions, private organizations, and companies with products whose value may be influenced by information contained in an abstract may issue a press release to coincide with the availability of an ACR abstract on the ACR website. However, the ACR continues to require that information that goes beyond that contained in the abstract (e.g., discussion of the abstract done as part of editorial news coverage) is under media embargo until 10:00 AM CT on October 25. Journalists with access to embargoed information cannot release articles or editorial news coverage before this time. Editorial news coverage is considered original articles/videos developed by employed journalists to report facts, commentary, and subject matter expert quotes in a narrative form using a variety of sources (e.g., research, announcements, press releases, events, etc.).

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