Abstracts tagged "T-Lymphocyte"

Abstract Number: 0460 • ACR Convergence 2021
Single-cell Profiling of B and T Cell Repertoire and Gene Expression in the RA Synovium Reveals Tissue Specific Clonal Expansion
Nida Meednu¹, Aaron Wagner², Garett Dunlap³, Fan Zhang⁴, Anna Helena Jonsson⁵, Kevin Wei⁵, Paul Utz⁶, William Robinson⁷, Holden Maecker⁷, Judith James⁸, Joel Guthridge⁸, S. Louis Bridges, Jr.⁹, Vivian Bykerk⁹, Laura Donlin⁹, Susan Goodman⁹, Edward DiCarlo⁹, Christopher Ritchlin¹⁰, Darren Tabechian², James Lederer¹¹, Ellen Gravallese¹², Mandy McGeachy¹³, Gary Firestein¹⁴, David Boyle¹⁵, Peter Gregersen¹⁶, Diane Horowitz¹⁷, Harris Perlman¹⁸, Arthur Mandelin¹⁸, Joan Bathon¹⁹, Laura Geraldino-Pardilla¹⁹, Laura Hughes²⁰, V. Michael Holers²¹, Kevin Deane²², Larry Moreland²¹, Andrew Filer²³, Costantino Pitzalis²⁴, Lindsy Forbess²⁵, Ami Ben-artzi²⁶, Karen Salomon-Escoto²⁷, Soumya Raychaudhuri⁵, Michael Brenner²⁸, Deepak Rao⁵, Andrew McDavid², Jennifer Anolik¹ and Accelerating Medicines Partership (AMP) RA/SLE Network²⁹, ¹University of Rochester Medical center, Rochester, NY, ²University of Rochester, Rochester, NY, ³Harvard University, Somerville, MA, ⁴Harvard Medical School, Boston, MA, ⁵Brigham and Women's Hospital, Boston, MA, ⁶Stanford University, Stanford, CA, ⁷Stanford University, Palo Alto, CA, ⁸Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁹Hospital for Special Surgery, New York, NY, ¹⁰Division of Allergy, Immunology, and Rheumatology, School of Medicine and Dentistry, University of Rochester Medical Center, Rochester, NY, ¹¹Brigham and Women's Hospital and Harvard Medical School, Millis, MA, ¹²Brigham and Women's Hospital, Harvard Medical School, Chestnut Hill, MA, ¹³University of Pittsburgh, Pittsburgh, PA, ¹⁴University of California San Diego, San Diego, CA, ¹⁵University of California San Diego, La Jolla, CA, ¹⁶The Feinstein Institute for Medical Research, Larchmont, NY, ¹⁷Northwell Health, Jericho, NY, ¹⁸Northwestern University, Chicago, IL, ¹⁹Columbia University, New York, NY, ²⁰University of Alabama at Birmingham, Birmingham, AL, ²¹University of Colorado, Denver, CO, ²²University of Colorado Denver, Denver, CO, ²³University of Birmingham, Birmingham, United Kingdom, ²⁴Queen Mary University of London, London, United Kingdom, ²⁵Cedars-Sinai Medical Center, Los Angeles, CA, ²⁶Cedars-Sinai Medical Center, Beverly Hills, CA, ²⁷University of Massachusetts Medical School, Shrewsbury, MA, ²⁸Brigham and Women's Hospital, Harvard Medical School, Newton, MA, ²⁹Brigham and Women's Hospital, Everett, MA
Background/Purpose: B cell and T cell activation pathways in the synovium are an incompletely understood feature of rheumatoid arthritis. In this study, utilizing single cell…
Abstract Number: 0547 • ACR Convergence 2021
Autologous Haematopoietic Stem Cell Transplantation for Systemic Sclerosis Results in Sustained Changes in Immunoregulatory T and NK Cells
Ross Penglase, Malini Visweswaran, John Zaunders, Laila Girgis, David Ma and John Moore, St Vincent's Hospital, Sydney, Australia
Background/Purpose: Autologous Haematopoietic Stem Cell Transplantation (AHSCT) is an effective treatment for severe systemic sclerosis (SSc). To date, mechanistic studies have indicated possible pro-regulatory and…
Abstract Number: 1096 • ACR Convergence 2021
CSF-specific CD8 T Cell Clonal Expansion in Neurosarcoidosis
Michael Paley¹, Brandi Baker², Steven Dunham³, Nicole Linskey³, Elisha Roberson³, David Clifford³ and Wayne Yokoyama³, ¹Washington University in St. Louis, Olivette, MO, ²Washington University in St. Louis, St. Louis, MO, ³Washington University School of Medicine, St. Louis, MO
Background/Purpose: Neuroinflammation is a severe manifestation of the systemic inflammatory disorders. Sarcoidosis, which leads to neurologic disease in 5-10 % of cases, has traditionally been…
Abstract Number: 1407 • ACR Convergence 2021
Characterization of Synovial Fluid T Cells in Polymyalgia Rheumatica: Implication of Th1 and Tc1 Effector Memory Profiles
Rosanne Reitsema¹, Lieske Wekema², Wayel Abdulahad¹, Peter Heeringa³, Minke Huitema¹, Maria Sandovici³, Annemieke Boots³, Elisabeth Brouwer³ and Kornelis van der Geest³, ¹Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands, ²Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands, ³University Medical Center Groningen, Groningen, Netherlands
Background/Purpose: Polymyalgia Rheumatica (PMR) is a common rheumatic inflammatory disease in the elderly. PMR is characterized by synovial inflammation of (peri)articular structures in the shoulders…
Abstract Number: 0417 • ACR Convergence 2020
Different Immunophenotypes Characterized IgG4-Related Disease Clinical Phenotypes
Eduardo Martin-Nares¹, Janette Furuzawa-Carballeda¹, Ángel Alexis Priego-Ranero¹, Isela Chan-Campos¹, Gladys Sulikey Herrera-Noguera¹, Fidel López-Verdugo¹ and Gabriela Hernandez-Molina¹, ¹Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, Distrito Federal, Mexico
Background/Purpose: Patients with IgG4-related disease (IgG4-RD) can be classified in clinical phenotypes which differ in terms of demographics, clinical and serological features. Whether there are…
Abstract Number: 0460 • ACR Convergence 2020
Lymphocyte Clonal Expansion Distinguishes Different Forms of Uveitis
Michael Paley¹, Lynn Hassman¹, Philip Ruzycki¹, Ekaterina Esaulova¹, Grace Paley¹, Jennifer Laurent¹, Luke Springer¹, Lacey Feigl¹, Maxim Artyomov¹ and Wayne Yokoyama², ¹Washington University, Saint Louis, ²Washington University, St Louis, MO
Background/Purpose: Anterior uveitis is a form of ocular inflammation associated with rheumatologic disease and can be categorized as granulomatous or non-granulomatous. Whether different ocular manifestations…
Abstract Number: 0840 • ACR Convergence 2020
Amelioration of Immune Complex-Mediated Glomerulonephritis via CD6 Modulation
Samantha Chalmers¹, Sayra Garcia¹, Leal Herlitz², Jeanette Ampudia³, Cherie Ng⁴, Stephen Connelly³ and Chaim Putterman¹, ¹Albert Einstein College of Medicine, Bronx, NY, ²Cleveland Clinic, Cleveland, OH, ³Equillium, Inc, San Diego, CA, ⁴Equillium, Inc, La Jolla, CA
Background/Purpose: CD6 is a co-stimulatory receptor, predominantly expressed on T cells, that binds to activated leukocyte cell adhesion molecule (ALCAM), a ligand expressed on antigen-presenting…
Abstract Number: 0841 • ACR Convergence 2020
CD6 Modulation Ameliorates Kidney and Skin Disease in a Spontaneous Murine Lupus Model
Samantha Chalmers¹, Sayra Garcia¹, Rajalakshmy Ayilam Ramachandran², Chandra Mohan², Leal Herlitz³, Dalena Chu⁴, Jeanette Ampudia⁴, Cherie Ng⁵, Stephen Connelly⁴ and Chaim Putterman¹, ¹Albert Einstein College of Medicine, Bronx, NY, ²University of Houston, Houston, TX, ³Cleveland Clinic, Cleveland, OH, ⁴Equillium, Inc, San Diego, CA, ⁵Equillium, Inc, La Jolla, CA
Background/Purpose: T cells are an important contributor to the pathogenesis of SLE and lupus nephritis, and thus present themselves as interesting therapeutic targets. CD6 is…
Abstract Number: 0998 • ACR Convergence 2020
Differential Roles of TNFRI and TNFRII in the Morphology of Secondary Lymphoid Organs
Kim Jeucken¹, Jan Piet van Hamburg¹ and Sander Tas², ¹Amsterdam Rheumatology and Immunology Center (ARC), Department of Rheumatology and Clinical Immunology, Department of Experimental Immunology and Amsterdam Infection and Immunity Institute, Amsterdam UMC; location AMC, University of Amsterdam, Netherlands, Amsterdam, Netherlands, ²Amsterdam Rheumatology and Immunology Center (ARC), Department of Rheumatology and Clinical Immunology, Department of Experimental Immunology and Amsterdam Infection and Immunity Institute, Amsterdam UMC; location AMC, University of Amsterdam, Netherlands, Utrecht, Netherlands
Background/Purpose: Tumour necrosis factor (TNF) induced signaling events are important in lymphoid organ development and function, both in health and in immune-mediated inflammatory diseases such…
Abstract Number: 1403 • ACR Convergence 2020
Differential Effect of Abatacept vs TNF Blockers, on the Frequency of Circulating Follicular Helper (Tfh) and Periperal Helper (Tph) T Cells in Rheumatoid Arthritis
María-José Santos-Bornez¹, Paula Fortea-Gordo¹, Laura Nuño¹, Alejandro Villalba¹, Diana Peiteado¹, Irene Monjo², Alejandro Balsa³ and Maria-Eugenia Miranda-Carus¹, ¹Hospital La Paz - IdiPAZ, Madrid, Spain, ²Rheumatology, La Paz University Hospital- IdiPAZ, Madrid, Spain, ³Rheumatology, La Paz University Hospital-IdiPAZ, Madrid, Spain
Background/Purpose: CXCR5+PD-1hi follicular helper (Tfh) and CXCR5-PD-1hi peripheral helper (Tph) T cells play an important role in the pathogenesis of Rheumatoid Arthritis (RA) by providing…
Abstract Number: 1415 • ACR Convergence 2020
Murine Roseolovirus Induces Autoimmune Disease and Development of Autoreactive T Cells and Autoantibodies
Tarin Bigley¹, Jose Saenz², Li-Ping Yang², Jason Mills² and Wayne Yokoyama², ¹Washington University in St. Louis, Saint Louis, MO, ²Washington University in St. Louis, St. Louis, MO
Background/Purpose: Murine roseolovirus (MRV) is a recently sequenced beta-herpesvirus that is a natural murine pathogen and is genetically highly related to HHV6 and HHV7. The…
Abstract Number: 1581 • ACR Convergence 2020
Neutrophil to Lymphocyte Ratio as a Predictor of Immune-Related Adverse Events in CTLA-4 Treated Patients: A Retrospective Review
Michael Cunningham¹, Carolina Alvarez², Shruti Saxena Beem³, Todd Schwartz⁴ and Rumey Ishizawar⁵, ¹UNC Hospitals, Durham, NC, ²University of North Carolina at Chapel Hill Thurston Arthritis Research Center, Miami, FL, ³University of North Carolina at Chapel Hill, Chapel Hill, ⁴University of North Carolina-Chapel Hill, Chapel Hill, NC, ⁵University of North Carolina at Chapel Hill, Chapel Hill, NC
Background/Purpose: Immune checkpoint inhibitors (ICIs) target checkpoint proteins PD-1/PD-L1 and CTLA-4 to activate and enhance the cytotoxic effects of T lymphocytes against tumor cells [1-2].…
Abstract Number: 1824 • ACR Convergence 2020
Selective Expansion of Regulatory T Cells in Patients with Systemic Lupus Erythematosus by a Novel IL-2 Conjugate, NKTR-358
Christie Fanton¹, Richard Furie², Neha Dixit¹, Cat Haglund¹, Lin Lu¹, Suresh Siddhanti¹, Vishala Chindalore³, Robert Levin⁴, Isam Diab⁵, Brian Kotzin¹ and Jonathan Zalevsky¹, ¹Nektar Therapeutics, San Francisco, CA, ²Division of Rheumatology, Northwell Health, Great Neck, NY, ³Pinnacle Research Group, Anniston, AL, ⁴Clinical Research of West Florida, Clearwater, FL, ⁵Paramount Medical Research and Consulting, Middleburg Heights, OH
Background/Purpose: Treg dysfunction and impaired IL-2 production have been implicated as key immunological defects in the breakdown of immune self-tolerance in SLE. Low-dose IL-2 can…
Abstract Number: 1861 • ACR Convergence 2020
T Cells with IL-17A+ Signature in Psoriatic Arthritis Are of Different Subpopulations and Are Polyfuntional
Siba Raychaudhuri¹ and Smriti Raychaudhuri², ¹Division of Rheumatology, Allergy & Clinical Immunology, University of California School of Medicine, Davis, and VA Medical Center Sacramento, Sacramento, CA, ²VA Sacramento Medical Center, Davis, CA
Background/Purpose: A variety of T cells such as Th1, Th2, Th9, Th17, NKT, MAIT, etc have been attributed to multiple autoimmune diseases. In psoriatic arthritis…

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