Abstracts tagged "T Cell"

Abstract Number: 0666 • ACR Convergence 2022
HRES-1/Rab4 Controls the Overexpression of CD38 and Depletion of IL-2 in CD4+ T Cells; Potential Involvement in Proinflammatory Lineage Development in SLE
Seong Hee (Joy) Park¹, Akshay Patel² and Andras Perl³, ¹Upstate Medical University, Syracuse, NY, ²SUNY Upstate Medical University, Syracuse, NY, ³SUNY, Syracuse, NY
Background/Purpose: HRES-1/Rab4 (Rab4A) is a small GTPase that is overexpressed in SLE patient T cells1,2, mediates the enhanced recycling of CD3 and CD4 cell surface…
Abstract Number: 1728 • ACR Convergence 2022
Increased Frequency of Highly Differentiated T Effector Memory Cells Re-expressing CD45RA (Temra) and Cytomegalovirus Seropositivity Are Associated with Persistent Disease Specifically Refractory to Anti-TNF Therapy in Rheumatoid Arthritis
Su-Ann Yeoh, James Kimpton, Muhammad Shipa, Eleanor Hawkins, Arne Akbar and Michael Ehrenstein, University College London, London, United Kingdom
Background/Purpose: Enrichment of highly differentiated T cells have been reported in rheumatoid arthritis (RA) patients compared to healthy individuals. The role of highly differentiated T…
Abstract Number: 1749 • ACR Convergence 2022
Mass Spectrometry-Based HLA Peptidomics Analysis Reveals Both Expected and Novel Citrullinated Antigen Targets in Rheumatoid Arthritis
Eddie James¹, Cliff Rims², Sylvia Posso², Jeffrey Carlin³, William Kwok², Shao-En Ong⁴ and Jane Buckner¹, ¹Benaroya Research Institute at Virginia Mason, Seattle, WA, ²Benaroya Research Institute, Seattle, WA, ³Virginia Mason Medical Center, Seattle, WA, ⁴University of Washington, Seattle, WA
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease in which citrullinated self-antigens are recognized by anti-citrullinated protein antibodies (ACPA) and T cells. ACPA are a…
Abstract Number: 0498 • ACR Convergence 2022
A Longitudinal Assessment of Citrulline-specific CD4 T Cells in CCP+ at Risk Subjects and Patients with New-onset Rheumatoid Arthritis
Jing Song¹, Scott Presnell¹, Cliff Rims², Matthew Dufort¹, Hannah DeBerg¹, Peter Linsley², V. Michael Holers³, Kevin D Deane⁴, Eddie James¹ and Jane Buckner¹, ¹Benaroya Research Institute at Virginia Mason, Seattle, WA, ²Benaroya Research Institute, Seattle, WA, ³University of Colorado, Denver, CO, ⁴University of Colorado Denver Anschutz Medical Campus, Denver, CO
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease, in which autoantibodies targeting citrullinated (cit) peptides can be detected prior to diagnosis. We previously reported an…
Abstract Number: 0787 • ACR Convergence 2022
Relationship Between Humoral and Cellular Immune Responses in Persons with Rheumatoid Arthritis Following a Third Dose of COVID-19 Vaccine
Sara Tedeschi¹, Daniel Solomon¹, Yuezhou Chen², Jack Ellrodt¹, Mary Grace Whelan¹, Jacklyn Stratton¹, Keigo Hayashi³, Noah Whiteman², Lin Chen¹, Ifeoluwakiisi Adejoorin¹, Kathryne Marks¹, Emma Gomez-Rivas¹, Deepak Rao¹, Anna Jonsson¹ and Duane Wesemann², ¹Brigham and Women's Hospital, Boston, MA, ²Harvard Medical School, Boston, MA, ³Brigham and Women's Hospital, Okayama, Japan
Background/Purpose: DMARDs that treat RA may reduce immune responses to COVID-19 vaccination. We compared measures of humoral and cell-mediated immunity in RA patients before and…
Abstract Number: 1729 • ACR Convergence 2022
SLAMF4+ CCR5+ Effector Memory CD4+ T Cells Are Polyfunctional, Resistant to Exhaustion, and Expanded in Rheumatoid Arthritis
Mégane Lacaud¹, Houda-Ghozlane Bouzidi¹, Magali Breckler², Delphine Lemeiter², Johanna Sigaux³, Luca Semerano⁴, Marie-Christophe Boissier⁵, Natacha Bessis⁶ and Jerome Biton⁷, ¹Sorbonne Paris Nord University, Inserm U1125, Bobigny, France, ²Sorbonne Paris Nord University, Inserm UMR1125, Bobigny, France, ³Avicenne Hospital, Sorbonne Paris Nord University, Inserm UMR1125, Bobigny, France, ⁴Hopital Avicenne - AP-HP, Sorbonne Paris Nord University, INSERM UMR1125, Bobigny Cedex, France, ⁵INSERM UMR 1125, Sorbonne Paris Nord University,Rheumatology Dpt, APHP, GHUPSSD, Avicenne Hosp, Bobigny, France, ⁶INSERM 1125 and University Sorbonne Paris Nord, Bobigny, France, ⁷INSERM UMR 1125, Sorbonne Paris Nord University, Bobigny, France
Background/Purpose: CD4+ Foxp3- conventional T cells (Tconv) play a key role in the inflammatory process involved in rheumatoid arthritis (RA). Usually, chronic stimulation of T…
Abstract Number: 1961 • ACR Convergence 2022
COVID-19 mRNA Vaccine Induced Antibody Titers and IFN-g Responses Are Decreased in Persons with Rheumatoid Arthritis and Older Age
Holly Dudley¹, megan O'Mara², Ann Auma¹, Jenny Gong³, Yael Ross⁴, Natalie Gurevich², Larraine Gordesky⁵, Nora Singer⁶, Lenche Kostadinova⁷, Brigid Wilson⁷, David Zidar⁷, Christopher King¹, David Canaday¹, Carey Shive¹, Maya Mattar⁸ and Donald Anthony⁹, ¹Case Western Reserve University, Cleveland, OH, ²Cleveland Veteran Affairs Medical Center, Cleveland, OH, ³Case Western School of Medicine, Cleveland, OH, ⁴Case Western Reserve University at MetroHealth Medical Center, Atlanta, GA, ⁵MetroHealth Medical Center, Cleveland, OH, ⁶The MetroHealth System at Case Western Reserve University School of Medicine, Cleveland, OH, ⁷VA Medical Center, Cleveland, OH, ⁸Louis Stokes VA Medical Center, Mayfield Heights, OH, ⁹Case, VA, Metro, Chardon, OH
Background/Purpose: People with autoimmune diseases have worse outcomes if infected by SARS-CoV2. In particular, persons with rheumatoid arthritis (RA), have lower antibody responses to COVID-19…
Abstract Number: 0500 • ACR Convergence 2022
T Cell and Macrophage Synergy Drive Inflammatory Synovial Fibroblasts in Rheumatoid but Not Psoriatic Arthritis
Achilleas Floudas¹, conor Smith², Orla Tynan³, Nuno Neto⁴, Krishna Vinod⁵, Sarah Wade⁶, Megan Hanlon⁷, Clare Cunningham⁴, Viviana Marzaioli⁸, Mary Canavan⁹, Jean Fletcher³, Ronan Mullan¹⁰, Suzanne Cole¹¹, Ling-Yang Hao¹², Michael Monaghan⁴, Sunil Nagpal¹³, Douglas Veale¹⁴ and Ursula Fearon⁴, ¹Molecular Rheumatology Trinity Biomedical Sciences Institute, Dublin, Ireland, ²bTrinity College Dublin, Dublin, Ireland, ³Trinity Biomedical Sciences Institute, Dublin, Ireland, ⁴Trinity College Dublin, Dublin, Ireland, ⁵Janssen, Spring House, PA, ⁶Trinity Biomedical Sciences Institute, Wexford, Ireland, ⁷Molecular Rheumatology, Dublin, Ireland, ⁸Trinity College Dublin and University College Dublin, Dublin, Ireland, ⁹Trinity College, Dublin, Ireland, ¹⁰Tallaght University Hospital, Dublin, Ireland, ¹¹Rheumatic Disease Associates, Warminster, PA, ¹²Janssen Research and Development, LLC, Spring House, PA, ¹³Janssen Research, Collegeville, PA, ¹⁴St. Vincent's University Hospital, Blackrock, Dublin, Ireland
Background/Purpose: Rheumatoid (RA) and psoriatic arthritis (PsA) are common autoimmune diseases of unknown aetiology characterised by complex synovial pathology with a detrimental effect on the…
Abstract Number: 0809 • ACR Convergence 2022
Ex Vivo Comparative Immunogenicity Assessment (EVCIA) to Determine Relative Immunogenicity in Chronic Plaque Psoriasis in Participants Receiving Humira® or Undergoing Repeated Switches Between Humira and AVT02
Kathleen Richter¹, Halimuniyazi Haliduola¹, Jana Schockaert², Aurélie Mazy³, Nataliya Reznichenko⁴, Eric Guenzi⁵ and Fausto Berti⁶, ¹Alvotech, Jülich, Germany, ²ImmunXpert, Ghent, Belgium, ³ImmunXpert, Charleroi, Belgium, ⁴Military Hospital (Military Unit A3309) of Military-Medical Clinical Center of Southern Region, Zaporizhzhia, Ukraine, ⁵UGA Biopharma, Bonn, Germany, ⁶Alvotech, Zürich, Switzerland
Background/Purpose: A common reason for clinical development failure of biologic medicines is immunogenicity. Immunogenicity is traditionally measured by detecting neutralizing (NAb) anti-drug antibodies (ADA) in…
Abstract Number: 1730 • ACR Convergence 2022
T Cell-Macrophage Interactions Play a Critical Role in a Mouse Model of Histidyl-tRNA Synthetase-Induced Myositis
Daniel Reay¹, Ying Wang², Wael Jarjour³, Paula Clemens¹ and Dana Ascherman⁴, ¹University of Pittsburgh School of Medicine, Pittsburgh, PA, ²University of Miami Miller School of Medicine, Miami, FL, ³The Ohio State University, Columbus, OH, ⁴University of Pittsburgh, Pittsburgh, PA
Background/Purpose: Histidyl-tRNA synthetase (HRS) is a key target of antigen-specific B and T cell responses in the anti-synthetase syndrome. Despite a clear role for aberrant…
Abstract Number: 1982 • ACR Convergence 2022
Pluripotency Marker PBX1 Predicts Treatment Effect in Rheumatoid Arthritis
Karin Andersson¹, Eric Malmhäll-Bah², Nina Oparina¹, Tao Weiyang³, Malin Erlandsson¹, Venkataragavan Chandrasekaran², Aridaman Pandit³, Sofia Töyrä Silfverswärd⁴, Maria Bokarewa⁴ and Rille pullerits⁴, ¹Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Goteborg, Sweden, ²Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, ³Center for Translational Immunology, University Medical Center, Utrecht, Netherlands, ⁴Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden
Background/Purpose: Self-renewal ability, which is important for the adaptive immunity and adequate T cell function, is severely impaired in rheumatoid arthritis (RA). This leads to…
Abstract Number: 0506 • ACR Convergence 2022
Immunophenotypic Categorization of Systemic Immune-mediated Diseases
Shinji Izuka¹, Toshihiko Komai¹, Takahiro Itamiya¹, Mineto Ota², Saeko Yamada¹, Yasuo Nagafuchi², Hirofumi Shoda¹, Kosuke Matsuki³, Kazuhiko Yamamoto⁴, Tomohisa Okamura² and Keishi Fujio¹, ¹Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Bunkyo City, Tokyo, Japan, ²Department of Allergy and Rheumatology, Graduate School of Medicine, The University of Tokyo, Department of Functional Genomics and Immunological Diseases, Graduate School of Medicine, The University of Tokyo, Bunkyo City, Tokyo, Japan, ³Research Division, Chugai Pharmaceutical Co., Ltd., Kamakura, Japan, ⁴Laboratory for Autoimmune Diseases, Center for Integrative Medical Sciences, the Institute of Physical and Chemical Research (RIKEN), Wako, Saitama, Japan
Background/Purpose: Systemic immune-mediated diseases are heterogeneous, and the pathogenesis varies among and within each disease. Some studies tried to stratify patients with immune-mediated diseases into…
Abstract Number: 1124 • ACR Convergence 2022
CD4+ Cytotoxic T Lymphocytes (CTL) Are Present in Sjögren’s Disease Minor Salivary Glands and Associate with Markers of Epithelial Cell Damage near Infiltrates
Michelle Joachims¹, Chuang Li¹, Joshua Rusbuldt², Ben Fowler¹, Astrid Rasmussen¹, Kiely Grundahl¹, R. Hal Scofield³, Kathy Sivils⁴, Christopher Lessard¹ and A. Darise Farris¹, ¹Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Janssen Pharmaceutical Companies of Johnson & Johnson, Spring House, PA, ³University of Oklahoma Health Sciences Center, Oklahoma City, OK, ⁴Janssen Research and Development, LLC, Spring House, PA
Background/Purpose: CD4+ T cells dominate focal lymphocytic infiltrates in Sjögren's disease (SjD), but their differentiation states have remained unclear. Here, we used single cell (sc)RNAseq…
Abstract Number: 1731 • ACR Convergence 2022
Systemic Sclerosis-Associated Class II HLA Alleles Restrict the Diversity of the CDR3 and the T Cell Receptor Repertoire in African American Patients
Urvashi Kaundal¹, Chloe Borden¹, Cihan Oguz², Jinghua Lu², Emilee Stenson¹, Ami Shah³, Maureen Mayes⁴, Ayo Doumatey⁵, Amy Bentley⁵, Daniel Shriner⁵, Robyn Domsic⁶, Thomas Medsger⁷, Paula Ramos⁸, Richard Silver⁸, Virginia Steen⁹, John Varga¹⁰, Vivien Hsu¹¹, Lesley Ann Saketkoo¹², Elena Schiopu¹³, Dinesh Khanna¹⁴, Jessica Gordon¹⁵, Lindsey Criswell¹⁶, Heather Gladue¹⁷, Chris Derk¹⁸, Elana Bernstein¹⁹, S. Louis Bridges, Jr.¹⁵, Victoria Shanmugam²⁰, Lorinda Chung²¹, Suzanne Kafaja²², Reem Jan²³, Marcin Trojanowski²⁴, Avram Goldberg²⁵, Benjamin Korman²⁶, Settara Chandrasekharappa⁵, Faiza Naz²⁷, Stefania Dell'Orso¹, Adebowale Adeyemo⁵, Charles Rotimi⁵, Elaine Remmers⁵, Francesco Boin²⁸, Fredrick Wigley²⁹, Peter Sun², Daniel Kastner⁵ and Pravitt Gourh³⁰, ¹National Institutes of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, ²National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, ³Johns Hopkins Rheumatology, Baltimore, MD, ⁴Division of Rheumatology and Clinical Immunogenetics, University of Texas McGovern Medical School, Houston, TX, ⁵National Human Genome Research Institute, Bethesda, MD, ⁶University of Pittsburgh, Pittsburgh, PA, ⁷University of Pittsburgh School of Medicine, Pittsburgh, PA, ⁸Medical University of South Carolina, Charleston, SC, ⁹Georgetown University School of Medicine, Washington, DC, ¹⁰University of Michigan, Ann Arbor, MI, ¹¹Rutgers-RWJ Medical School, South Plainfield, NJ, ¹²University Medical Center - Comprehensive Pulmonary Hypertension Center and ILD Clinic Programs // New Orleans Scleroderma and Sarcoidosis Patient Care & Research Centeris, New Orleans, LA, ¹³Michigan Medicine, Ann Arbor, MI, ¹⁴Division of Rheumatology, Department of Internal Medicine, Scleroderma Program, University of Michigan, Ann Arbor, MI, ¹⁵Hospital for Special Surgery, New York, NY, ¹⁶National Human Genome Research Institute, NIH, Bethesda, MD, ¹⁷Arthritis & Osteoporosis Consultants of the Carolinas, Charlotte, NC, ¹⁸University of Pennsylvania, Philadelphia, PA, ¹⁹Columbia University, New York, NY, ²⁰George Washington University, Great Falls, VA, ²¹Stanford University, Stanford, CA, ²²UCLA Department of Medicine, Division of Rheumatology, Los Angeles, CA, ²³University of Chicago, Chicago, IL, ²⁴Boston University School of Medicine, Boston, MA, ²⁵NYU Langone Medical Center - NYU Hospital for Joint Diseases, Lake Success, NY, ²⁶University of Rochester, Rochester, NY, ²⁷National Institute of Arthritis and Musculoskeletal and Skin Diseases, Bethesda, MD, ²⁸Cedars-Sinai Medical Center, Los Angeles, CA, ²⁹Johns Hopkins University, Baltimore, MD, ³⁰National Institutes of Health, Bethesda, MD
Background/Purpose: Systemic sclerosis (SSc) is an autoimmune, fibrotic disorder that disproportionately affects African Americans (AA). Previous work from our lab and others has suggested a…
Abstract Number: 1991 • ACR Convergence 2022
Mice Do Not Develop CIA: Knocking out of Kv1.3 Renders CD4+TEMCells Resistant to Activation
Siba Raychaudhuri¹, Smriti Raychaudhuri² and Heike Wulff³, ¹UC Davis, School of Medicine/ VA Medical Center, Sacramento, CA, ²VA Medical Center, Sacramento, CA, ³UC Davis, Davis, CA
Background/Purpose: Engagement of the TCR triggers Ca++ influx through Ca++ channels. Ca++ influx is only possible with a counterbalancing K+ efflux through Kv1.3 and/or KCa3.1.…

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