Abstracts tagged "Fibroblasts, Synovial"

Abstract Number: 0041 • ACR Convergence 2021
Vascularized ‘Synovium-on-a-Chip’ – A Novel and Adaptable Model for Dissecting Inflammatory Biology Underlying Rheumatoid Arthritis
Theresa Wampler Muskardin¹, Chao Ma², Benteng Ma², Kayla Van Buren³, Timothy Niewold⁴ and Weiqiang Chen², ¹Colton Center for Autoimmunity, NYU School of Medicine, New York, NY, ²New York University, New York, NY, ³Mnemo Therapeutics, New York, NY, ⁴Colton Center for Autoimmunity NYU School of Medicine, New York, NY
Background/Purpose: Rheumatoid arthritis (RA) is a common multisystem inflammatory condition, affecting approximately 1% of the world population. The mechanisms underlying RA are still incompletely defined…
Abstract Number: 0458 • ACR Convergence 2021
Single Cell Profiling Reveals a Wnt-mediated Transcriptional Gradient That Drives Inflammation in Rheumatoid Arthritis Synovial Fibroblast Pathology
Alisa Mueller¹, Angela Zou¹, Emily Taylor², Triin Major², David Gardner³, Adam Croft⁴, Roche Fibroblast Network Consortium⁵, Andrew Filer², Christopher Buckley⁶, Kevin Wei¹, Ilya Korsunsky¹, Soumya Raychaudhuri¹ and Michael Brenner⁷, ¹Brigham and Women's Hospital, Boston, MA, ²University of Birmingham, Birmingham, United Kingdom, ³University of Birmingham, College of Medical and Dental Sciences, Birmingham, United Kingdom, ⁴University of Birmingham, Halesowen, United Kingdom, ⁵Roche Innovation Center Basel, Basel, Switzerland, ⁶University of Oxford, Oxford, United Kingdom, ⁷Brigham and Women's Hospital, Harvard Medical School, Newton, MA
Background/Purpose: Synovial fibroblasts are key inflammatory aggressors in rheumatoid arthritis (RA) that mediate cartilage and bone destruction, yet therapies directly targeting these cells are lacking.…
Abstract Number: 0508 • ACR Convergence 2021
The Impact of Macrophages Stimulated with Malondialdehyde-Acetaldehyde And/or Citrulline Modified Proteins on Fibroblasts Activation
Nozima Aripova, Michael Duryee, Evan Ryan, Peter Maloley, Bryant England, James O'Dell, Ted Mikuls and Geoffrey Thiele, University of Nebraska Medical Center, Omaha, NE
Background/Purpose: In rheumatoid arthritis (RA), chronic synovial inflammation is accompanied by fibrotic responses that together lead to pannus formation and progressive joint damage. Exposure to…
Abstract Number: 0510 • ACR Convergence 2021
Fibrinogen Modified with Malondialdehyde-Acetaldehyde Adduct (MAA) And/or Citrulline (CIT) Induces Unique Cellular Responses in Human RA Synoviocytes
Brittany Wordekemper, Nozima Aripova, Michael Duryee, Eric Daubach, Bryant England, James O'Dell, Ted Mikuls and Geoffrey Thiele, University of Nebraska Medical Center, Omaha, NE
Background/Purpose: Malondialdehyde (MDA) is produced in response to oxidative stress and is associated with inflammation and disease pathogenesis. MDA can break down and form acetaldehyde…
Abstract Number: 0514 • ACR Convergence 2021
Extracellular Sulfatase-2 Mediates TNF-α Inflammatory Signaling in Human Rheumatoid Arthritis Synovial Fibroblasts
Ruby Siegel¹, Anil singh¹, Judy Vinh¹, H. Mark Kenney², Edward Schwarz³, David Fox⁴, Sadik Khuder⁵ and Salah-uddin Ahmed¹, ¹Washington State University, Spokane, WA, ²University of Rochester Medical Center, Rochester, NY, ³University of Rochester, Rochester, NY, ⁴Division of Rheumatology, University of Michigan Medical School, Ann Arbor, MI, ⁵Department of Medicine and Public Health, University of Toledo,, Toledo, OH
Background/Purpose: TNF-α drives RA synovial fibroblast (RASF)-mediated hyperplasia and joint tissue destruction. Extracellular sulfatase-2 (Sulf-2) influences receptor/ligand binding and subsequent signaling of chemokines, cytokines, and…
Abstract Number: 0515 • ACR Convergence 2021
The Extracellular Sulfatase-2 Inhibitor OKN-007 Abrogates TNF-α-induced Inflammatory Mediators in Human Rheumatoid Arthritis Synovial Fibroblasts
Ruby Siegel, Sang Han and Salah-uddin Ahmed, Washington State University, Spokane, WA
Background/Purpose: Recent unpublished findings from our lab show that the extracellular enzyme sulfatase-2 (Sulf-2) facilitates pro-inflammatory TNF-α signaling which activates rheumatoid arthritis synovial fibroblasts (RASFs).…
Abstract Number: 0527 • ACR Convergence 2021
Role of Terminal Uridylyl Transferase 7 in TNF-α-Induced Inflammation in Rheumatoid Arthritis Synovial Fibroblasts In Vitro
Anil singh, farheen Shaikh and Salah-uddin Ahmed, Washington State University, Spokane, WA
Background/Purpose: Terminal uridylyl transferase 7 (TUT7), also known as Zcchc6, is a zinc finger domain-containing protein responsible for terminal uridylation of miRNA, implicated in pre-miRNA…
Abstract Number: 0940 • ACR Convergence 2021
Overactivation of the Kinase IKK2 Causes a Hand Osteoarthritis-Like Phenotype in Mice
Sergio Ramirez-Perez, kyle Jones, Umesh Gangishetti and Pallavi Bhattaram, Emory University School of Medicine, Atlanta, GA
Background/Purpose: Hand osteoarthritis (OA) presents the highest prevalence among rheumatic diseases. Synovitis is a defining feature in hand OA that has been associated with radiographic…
Abstract Number: 1003 • ACR Convergence 2021
Significant Enrichment of Pathogenic CD206+CD163+ Macrophages in Rheumatoid Arthritis Synovial Tissue with Distinct Transcriptional Signatures
Megan Hanlon¹, Mary Canavan², Nuno Neto³, Qingxuan Song⁴, Phil Gallagher⁵, Ronan Mullan⁶, Conor Hurson⁷, Barry Moran³, Michael Monaghan³, Sunil Nagpal⁸, Douglas Veale⁹ and Ursula Fearon³, ¹Molecular Rheumatology, Dublin, Ireland, ²Trinity College, Santry, Ireland, ³Trinity College Dublin, Dublin, Ireland, ⁴Janssen Research & Development LLC, Spring House, PA, ⁵St Vincent's Hospital, Dublin, Ireland, ⁶Tallaght University Hospital, Dublin, Ireland, ⁷St Vincents University Hospital, Dublin, Ireland, ⁸Janssen Research, Collegeville, PA, ⁹University College Dublin, Dublin, Ireland
Background/Purpose: Synovial tissue macrophages are an exquisitely plastic pool of innate cells that play a key role in RA disease progression. However, the precise nature,…
Abstract Number: 0011 • ACR Convergence 2021
Differential Inflammation-mediated Function of Prokineticin 2 in the Synovial Fibroblasts of Patients with Rheumatoid Arthritis Compared to Osteoarthritis
Kentaro Noda, Bianca Dufner and Rainer Straub, Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine I, University Hospital Regensburg, Regensburg, Germany
Background/Purpose: Prokineticin 2 (PK2) is a secreted protein involved in several pathological and physiological processes, including the regulation of inflammation, sickness behaviors, and the circadian…
Abstract Number: 1006 • ACR Convergence 2021
MAA Modified and/or Citrullinated Proteins Stimulate Macrophages and Human Fibroblast-Like Synoviocytes to Increase the Secretion/Expression of Fractalkine Ligand (CX3CL1) and Fractalkine Receptor (CX3CR1)
Nozima Aripova, Michael Duryee, Peter Maloley, Bryant England, James O'Dell, Ted Mikuls and Geoffrey Thiele, University of Nebraska Medical Center, Omaha, NE
Background/Purpose: In rheumatoid arthritis (RA) synovium, activated synovial fibroblasts and macrophages release inflammatory mediators that affect surrounding cells and accelerate disease progression. One such chemokine…
Abstract Number: 0013 • ACR Convergence 2021
Cyclin Dependent Kinase 4 and 6 Determine the Cytokine Responsiveness by Stabilizing JUN in Rheumatoid Arthritis Synovial Fibroblasts
Tadashi Hosoya¹, Tetsuya Saito², Hiroyuki Baba², Nao Tanaka², Seiji Noda², Yoji Komiya², Yasuhiro tagawa², Akio Yamamoto² and Shinsuke Yasuda², ¹Tokyo Medical and Dental University(TMDU), Tokyo, Japan, ²Tokyo Medical and Dental University (TMDU), Tokyo, Japan
Background/Purpose: Although current inflammation-targeted therapy improved the outcome of patients with rheumatoid arthritis (RA), the achievement of complete disease remission was still challenging. Since synovial…
Abstract Number: 1012 • ACR Convergence 2021
Altered T Cell Responses, and Synergistic Regulation of Synovial Fibroblasts Function in Children with Down’s Syndrome-Associated Arthritis
Serena Foo¹, Achilleas Floudas², Aisling O' Brien¹, Sharon Ansboro¹, Ronan Mullan³, Douglas Veale⁴, Emma MacDermott⁵, Derek Deely⁶, Charlene Foley⁶, Orla Killeen⁶ and Ursula Fearon¹, ¹Trinity College Dublin, Dublin, Ireland, ²Molecular Rheumatology Trinity Biomedical Sciences Institute, Dublin, Ireland, ³Tallaght University Hospital, Dublin, Ireland, ⁴University College Dublin, Dublin, Ireland, ⁵Children’s Health Ireland (CHI) at Crumlin, Dublin, Ireland, ⁶Children's Health Ireland, Crumlin, Dublin, Ireland
Background/Purpose: Juvenile idiopathic arthritis (JIA) was thought to be the most common inflammatory arthritis in children. However an aggressive, erosive arthritis of little-known immunologic mechanism…
Abstract Number: 0018 • ACR Convergence 2021
Caspase-8 Variant G Regulates Rheumatoid Arthritis Fibroblast-Like Synoviocyte Aggressive Behavior
Cecilia Ansalone¹, Gyrid Nygaard¹, Richard Ainsworth¹, Rizi Ai¹, Deepa Hammaker¹, Narayanan Perumal², Ken Weichert², Frances Tung², Lalitha Kodandapani², Michael Sauder², Elisabeth Mertsching², Robert Benschop³, Wei Wang¹, David Boyle¹ and Gary Firestein¹, ¹University of California San Diego, San Diego, CA, ²Eli Lilly and Company, San Diego, CA, ³Eli Lilly and Company, Indianapolis, IN
Background/Purpose: Rheumatoid arthritis (RA) fibroblast-like synoviocytes (FLS) display an aggressive phenotype, including abnormal migration and invasion. Using data from our previous studies defining the epigenetic…
Abstract Number: 1092 • ACR Convergence 2021
Altered Metabolic Pathways in Synovial Fibroblasts of Individuals at Risk of Developing Rheumatoid Arthritis
Tineke de Jong¹, Simone Denis¹, Paul Tak², Riekelt Houtkooper¹ and Lisa van Baarsen¹, ¹Amsterdam UMC, Amsterdam, Netherlands, ²Candel Therapeutics, Cambridge, United Kingdom
Background/Purpose: Cellular metabolism has been studied in fibroblast-like synoviocytes (FLS) of rheumatoid arthritis (RA) and osteoarthritis (OA) patients and raises the question whether observed metabolic…

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