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Abstracts tagged "Cell-signalling molecules"

  • Abstract Number: 0836 • ACR Convergence 2024

    NF-κB Inducing Kinase Is a Therapeutic Target for Autoimmune Diseases by Orchestrating Both B Cell and T Follicular Helper Cell Responses

    Jee Ho Lee1, Manisha Mohandoss2, Lichchavi Rajasinghe1, Silvia Preite3, Katie Madore2, Mark Birrell4, Jan Piet van Hamburg5, Sander Tas6, Matthew Perry3, Tatiana Ort1 and Gary Sims1, 1Immunology Biosciences, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, 2Immunology Biosciences, Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gaitherburg, 3Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden, 4Research and Early Development, Respiratory and Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, london, United Kingdom, 5Amsterdam UMC, Amsterdam, Netherlands, 6Amsterdam UMC, locatie AMC, Amsterdam, Netherlands

    Background/Purpose: T follicular helper (Tfh) cells are a specialized CD4+ T cell subset which can help B cells in the germinal center (GC) to drive…
  • Abstract Number: 0840 • ACR Convergence 2024

    The Platelet Adenosinergic Axis as a Novel Therapeutic Target for Thrombotic APS

    NaveenKumar Somanathapura K1, Thalia Newman2, Srilakshmi Yalavarthi1, Bruna Mazetto Fonseca1, Kaitlyn Sabb1, Katarina Kmetova3, Emily Chong1, Caroline Ranger1, Cyrus Sarosh4, Jacqueline Madison1, Ajay Tambralli1, Jordan Schaefer1, Michael Holinstat1, Yu Zuo1 and Jason Knight1, 1University of Michigan, Ann arbor, MI, 2University of Michigan, Ann Arbor, MI, 3Division of Rheumatology, University of Michigan, Ann Arbor, Michigan, USA, Ann Arbor, MI, 4University of Michigan, Temperance, MI

    Background/Purpose: How to most effectively inhibit antiphospholipid antibodies (aPL)-mediated platelet activation remains incompletely understood. CD73 is an ectoenzyme expressed on the platelet surface that generates…
  • Abstract Number: 0879 • ACR Convergence 2024

    A Novel, Oral, Allosteric Inhibitor of Tyrosine Kinase 2 (TYK2) Demonstrates In Vitro Potency, Selectivity, and In Vivo Efficacy in Mouse Models of Psoriasis

    Razika Hussein1, Pamela Tsuruda1, Shahab Mortezaei1, Nicky Ferdyan1, Christopher Wegerski2, Karthik Srinivasan1, Gavin Hirst1 and Neelufar Mozaffarian1, 1Atomwise Inc., San Francisco, 2Atomwise Inc., San Francisco, CA

    Background/Purpose: Tyrosine kinase 2 (TYK2), a member of the Janus kinase (JAK) family, plays a key role in several inflammatory diseases.  Orthosteric, small molecule inhibitors…
  • Abstract Number: 0011 • ACR Convergence 2023

    Clock Gene Bmal1 Promotes Transcriptional Activity of NF-κB to Regulate Production of Inflammatory Mediators in RA-FLS

    Hikari Tsukamoto1, Kenta Kaneshiro2, Kohsuke Yoshida1, Koji Tateishi3, Yasuhiro Terashima3, Nao Shibanuma4, Yoshitada Sakai5 and Akira Hashiramoto1, 1Kobe University Graduate School of Health Sciences, Kobe, Japan, 2Kobe University Graduate School of Health Sciences, Osaka, Japan, 3Kohnan Kakogawa Hospital, Kakogawa, Japan, 4Kobe Kaisei Hospital, Kobe, Japan, 5Kobe University Graduate School of Medicine, Kobe, Japan

    Background/Purpose: Rheumatoid arthritis (RA), an autoimmune polyarthritis characterized by 'tumor-like' proliferation of RA fibroblast-like synovial cells (RA-FLS), has characteristic symptoms such as "morning stiffness of…
  • Abstract Number: 0799 • ACR Convergence 2023

    Human Chimeric Antigen Receptor (CAR)-Tregs Targeting OX40L for Treatment of Systemic Lupus Erythematosus

    Holly Wobma1, Xianliang Rui2, Francesca Alvarez-Calderon2, Ulrike Gerdemann2, Connor McGuckin2, Bruce Blazar3, Victor Tkachev4 and Leslie Kean2, 1Division of Immunology, Boston Children's Hospital, Boston, MA, 2Division of Hematology-Oncology, Boston Children's Hospital, Boston, MA, 3Division of Pediatric Blood & Marrow Transplant & Cellular Therapy, University of Minnesota, Minneapolis, MN, 4Center for Transplantation Sciences, Massachusetts General Hospital, Boston, MA

    Background/Purpose: Chimeric Antigen Receptor Regulatory T cells (CAR-Tregs) are an emerging strategy to restore immune tolerance during auto- or allo-immune conditions. However, most autoimmune diseases…
  • Abstract Number: 0942 • ACR Convergence 2023

    G Protein-coupled Receptor Kinase 5 in Fibrotic Tissue Remodeling

    Cuong Tran-Manh1, Thuong Trinh-Minh1, Christoph Liebel1, Chih-Wei Chen2 and Joerg Distler1, 1Clinic for Rheumatology University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, Germany; Hiller Research Center, University Hospital Düsseldorf, Medical Faculty of Heinrich Heine University, Düsseldorf, Germany, 23 Department of Internal Medicine 3 – Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU) and University Hospital Erlangen, Erlangen, Germany. 4 Deutsches Zentrum für Immuntherapie, Friedrich Alexander University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany., Erlangen, Germany

    Background/Purpose: G-protein coupled receptor kinase 5, GRK5, is a central regulator of G protein-coupled receptors (GPCRs), a vast family of cell surface receptors involved in…
  • Abstract Number: 0964 • ACR Convergence 2023

    Systemic Sclerosis (SSc) Dermal Fibroblasts Show Shortened Primary Cilia Due to Aberrant Aurora a Kinase Activation Independently of Transforming Growth Factor β Signalling

    Rebecca Wells1, Rebecca Ross2, Alex Timmis1, Ioanna Georgiou1, Colin Johnson1, Natalia Riobo-Del Galdo1 and Francesco Del Galdo3, 1University of Leeds, Leeds, United Kingdom, 2Medicine and Health, University of Leeds, Leeds, United Kingdom, 3University of Leeds - Leeds Institute of Rheumatic and Muskuloskeletal Medicine, Leeds, United Kingdom

    Background/Purpose: Systemic Sclerosis (SSc) is an autoimmune disorder characterised by abnormal activation of tissue fibroblasts, resulting in tissue and vascular fibrosis of the skin and…
  • Abstract Number: 1602 • ACR Convergence 2023

    NADPH Oxidase Exerts a B Cell-intrinsic Contribution to Lupus Risk by Modulating Endosomal Toll-like Receptor (TLR) Signals

    Shuozhi Liu1, Natali Shumlak1, Andrea Largent1, Sebastien Lewis1, Mridu Acharya1 and Shaun Jackson2, 1Seattle Children's Research Institute, Seattle, WA, 2Seattle Children's Research Institute / University of Washington, Seattle, WA

    Background/Purpose: Genome-wide association studies in systemic lupus erythematosus (SLE) have linked loss-of-function mutations in phagocytic NADPH oxidase complex (NOX2) genes, including NCF1 and NCF2, to…
  • Abstract Number: 1778 • ACR Convergence 2023

    Role of GITR/GITRL Interaction in Modulating T Helper 9, T Helper 17 and T Regulatory Response in Psoriatic Arthritis

    Chiara Rizzo1, Lidia La Barbera1, Marianna Lo Pizzo1, Leila Mohammadnezhad1, federica Camarda1, Francesco Dieli1, Francesco Ciccia2 and Giuliana Guggino1, 1University of Palermo, Palermo, Italy, 2University of Campania - Luigi Vanvitelli, Naples, Italy

    Background/Purpose: The inflammatory process characterizing Psoriatic Arthritis (PsA) is mainly driven by interleukin (IL)-23/IL-17 axis and IL-9 overexpression, in presence of T helper (Th)17 and…
  • Abstract Number: 1787 • ACR Convergence 2023

    Regulatory Role of JAK-1/TYK2 Signaling on the Pannus Formation: Novel Mechanisms for JAK Inhibitors in Psoriatic Disease

    Siba Raychaudhuri1, Christine Abria2 and Smriti K Raychaudhuri2, 1UC Davis, School of Medicine/ VA Medical Center, Sacramento, Davis, CA, 2VA Sacramento Medical Center, Mather, CA

    Background/Purpose: In psoriatic arthritis (PsA) aberrant activation/migration of specific T cell subpopulations (Th17/Th9/MAIT cells) in the joint synovium induce synovial inflammation and pannus formation. Several…
  • Abstract Number: 2507 • ACR Convergence 2023

    ZCCHC6 Modulates the Global Phosphorylation Landscape in TNF-a-induced Rheumatoid Arthritis Synovial Fibroblasts

    Anil Singh, Farheen Sultan Shaikh and Salahuddin Ahmed, Washington State university, Spokane, WA

    Background/Purpose: ZCCHC6, also known as TUT7 or TENT2, plays a crucial role in RNA processing and metabolism through its uridylyl transferase function. This function involves…
  • Abstract Number: 1700 • ACR Convergence 2022

    IL-21/STAT3 Pathway Mediated Th2-like Vδ2 T Cells Promote Plasmablasts Differentiation in IgG4-Related Disease

    Jieqiong Li1 and Wen Zhang2, 1Peking Union Medical College & Chinese Academy of Medical Sciences, Beijing, China, 2Peking Union Medical College Hospital, Beijing, China

    Background/Purpose: To explore the phenotype and role of gamma delta (γδ) T cells in the pathogenesis of IgG4-related disease (IgG4-RD), focusing on the effect on…
  • 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.…
  • Abstract Number: 0559 • ACR Convergence 2022

    JAK Inhibitor Withdrawal Causes a Transient Proinflammatory Signaling Cascade in Minor Salivary Gland Mesenchymal Stromal Cells

    Ilya Gurevic, jacques Galipeau and Sara McCoy, University of Wisconsin, Madison, WI

    Background/Purpose: Sjögren's Disease (SjD) has high glandular IFNg levels, associated with disease activity and lymphoma risk. We previously showed IFNg-stimulated minor salivary gland (SG)-mesenchymal stromal…
  • Abstract Number: 1691 • ACR Convergence 2022

    Pentagalloyl Glucose Inhibits MSU-Induced Inflammation via Transforming Growth Factor-β-Activated Kinase 1 (TAK1)

    Paul Panipinto, Anil Singh, Farheen Sultan Shaikh and Salahuddin Ahmed, Washington State University, Spokane, WA

    Background/Purpose: Gout disease flares occur when primed macrophages interact with and phagocytose monosodium urate crystals (MSU), activating IL-1β via the NLRP3 inflammasome. Abrogation of inflammasome…
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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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