Abstracts tagged "Fibroblasts"

Abstract Number: 1068 • 2018 ACR/ARHP Annual Meeting
Characterization of the Role of Endocannabinoid System Using Jwh-133, a Selective Cannabinoid CB2 Receptor Agonist, in IL-1β-Induced Inflammation in Human Rheumatoid Arthritis Synovial Fibroblasts
Sabrina Fechtner¹, Anil K. Singh¹ and Salahuddin Ahmed^1,2, ¹Department of Pharmaceutical Sciences, Washington State University, College of Pharmacy, Spokane, WA, ²Division of Rheumatology, University of Washington, Division of Rheumatology, School of Medicine, Seattle, WA
Background/Purpose: The endocannabinoid system (ECS) is comprised of two evolutionary conserved cannabinoid receptors 1 and 2 (CB1 and CB2) which participate in pain management through…
Abstract Number: 50 • 2018 ACR/ARHP Annual Meeting
Intra-Articularly Delivering Lentivirus-Based CRISPR Interference Targeting Long Non-Coding RNA H19 in Synovial Fibroblasts Ameliorates Experimental Arthritis
Chrong-Reen Wang¹, Shih-Yao Chen², Yu-Ting Lo³, Yu-Chi Chou⁴, Ming-Fei Liu¹, Chao-Liang Wu⁵ and Ai-Li Shiau³, ¹Internal Medicine, National Cheng Kung University Hospital and Medical College, Tainan, Taiwan, ²Internal Medicine, National Cheng Kung University Hospital, Tainan, Taiwan, ³Microbiology and Immunology, National Cheng Kung University Medical College, Tainan, Taiwan, ⁴Core Facility for Manipulation of Gene Function, Academia Sinica, Taipei, Taiwan, ⁵Biochemistry and Molecular Biology, National Cheng Kung University Medical College, Tainan, Taiwan
Background/Purpose: Aberrantly higher expression of long non-coding RNAs (lncRNAs) in synovial fibroblasts (SFs) plays pathogenic roles in rheumatoid joint. Studying the effects on knocking down…
Abstract Number: 1822 • 2018 ACR/ARHP Annual Meeting
RNA-Sequencing of Mouse and Human Synovial Fibroblasts Reveals Fibroblast Subset-Specific Responses to Inflammation
Anqi Gao¹, Kevin Wei², Ilya Korsunsky³ and Michael Brenner⁴, ¹Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, ²Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ³Division of Genetics, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ⁴Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
Background/Purpose: In rheumatoid arthritis (RA), synovial fibroblasts secrete inflammatory cytokines, degrade cartilage and mediate bone destruction. We have previously identified three synovial fibroblasts subsets with…
Abstract Number: 81 • 2018 ACR/ARHP Annual Meeting
Additive Effects of Functional Rheumatoid Arthritis (RA) LBH Risk Alleles on LBH Gene Transcription
Gyrid Nygaard, Deepa Hammaker, David L. Boyle and Gary S. Firestein, Medicine, University of California San Diego, La Jolla, CA
Background/Purpose: LBH (Limb-bud and heart development gene) is dysregulated in RA, with a SNP associated with increased RA risk located in an upstream enhancer. This…
Abstract Number: 1964 • 2018 ACR/ARHP Annual Meeting
Epigenetic Changes of Energy Metabolism-Related Genes in Rheumatoid Arthritis Fibroblast-like Synoviocytes
Brian Pedersen¹, Roxana Coras^1,2, Wei Wang³, Gary S. Firestein¹ and Monica Guma^1,2, ¹Medicine, University of California San Diego, La Jolla, CA, ²Medicine, Autonomous University of Barcelona, Bellatera, Spain, ³Chemistry and Biochemistry, University of California San Diego, La Jolla, CA
Background/Purpose: Epigenetic changes contribute to the pathogenesis of rheumatoid arthritis (RA) and a comprehensive epigenomic characterization of RA fibroblast-like synoviocytes (FLS) has recently been described.…
Abstract Number: 114 • 2018 ACR/ARHP Annual Meeting
Antifibrotic Regulation By Response Gene to Complement 32 Protein
Sergei Atamas, Violeta Rus, Virginia Lockatell, Horea Rus and Irina Luzina, University of Maryland School of Medicine, Baltimore, MD
Background/Purpose: Pulmonary fibrosis is a serious problem in patients with scleroderma lung disease (SLD). Better therapies for pulmonary fibrosis are urgently needed. Identification of new…
Abstract Number: 1981 • 2018 ACR/ARHP Annual Meeting
A Molecular Bayesian Network for Rheumatoid Arthritis Reveals Multiple Candidate Key Regulators for Disease Severity
Wenhui Wang¹, Amit Lahiri², Teresina Laragione², Jun Zhu¹ and Percio S. Gulko^2,3, ¹Genetics and Genomics, Icahn School of Medicine at Mount Sinai, New York, NY, ²Medicine/Rheumatology, Icahn School of Medicine at Mount Sinai, New York, NY, ³Icahn School of Medicine at Mount Sinai, New York, NY
Background/Purpose: Rheumatoid arthritis (RA) is a common and chronic autoimmune joint disease. RA is pathologically heterogeneous with multiple contributing factors. While there has been a…
Abstract Number: 115 • 2018 ACR/ARHP Annual Meeting
CTLA4-Ig/CD86 Interaction on Cultered Human Fibrocytes and Fibroblasts from Systemic Sclerosis Patients
Maurizio Cutolo¹, Paola Montagna², Stefano Soldano¹, Amelia Chiara Trombetta³, Barbara Ruaro⁴, Paola Contini⁵, Sabrina Paolino⁶, Carmen Pizzorni⁴, Elisa Alessandri⁴, Massimo Patanè¹, Alberto Sulli⁴, Stefano Scabini⁷, Emanuela Stratta⁷ and Renata Brizzolara¹, ¹Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genova, Polyclinic San Martino Hospital, Genova, Italy, Genoa, Italy, ²Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, IRCCS Polyclinic San Martino, University of Genoa, Genova, Italy, ³Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, IRCCS Polyclinic San Martino, University of Genoa, Genoa, Italy, ⁴Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genova, San Martino Polyclinic Hospital, Genoa, Italy, Genoa, Italy, ⁵Division of Clinical Immunology, Department of Internal Medicine, University of Genova, IRCCS Polyclinic San Martino, Genova, Italy, Genova, Italy, ⁶Research Laboratory and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genova, San Martino Polyclinic Hospital, Genoa, Italy, Genova, Italy, ⁷Oncologic Surgery, Department of Surgery, IRCCS Polyclinic San Martino, Genova, Italy, Genoa, Italy
Background/Purpose: CTLA4-Ig interacts with the cell surface costimulatory molecule CD86 and can downregulate the target cell activation [1]. Circulating fibrocytes (CFs) express markers of both…
Abstract Number: 129 • 2018 ACR/ARHP Annual Meeting
Rnaseq Analysis of Human Skin in Organ Culture Identifies Collagen 22A1 As a TGF-β Early Response Gene
Tomoya Watanabe¹, Logan Mlakar², Jonathan Heywood³, Willian da Silveira⁴, Gary Hardiman⁵ and Carol A. Feghali-Bostwick⁶, ¹Rheumatology, Medical University of South Carolina, Charleston, SC, ²Medical University of South Carolina, Charleston, SC, ³Rheumataology, Medical University of South Carolina, Chareston, SC, ⁴Center for Genomic Medicine, Medical University of South Carolina, Charleston, SC, ⁵Department of Medicine, Medical University of South Carolina, Charleston, SC, ⁶Department of Medicine, Medical University of South Carolina, Division of Rheumatology and Immunology, Charleston, SC
Background/Purpose: Systemic sclerosis (SSc) is a complex multi-system autoimmune disease characterized by immune dysregulation, vasculopathy, and organ fibrosis. Skin fibrosis causes high morbidity and impaired…
Abstract Number: 928 • 2018 ACR/ARHP Annual Meeting
Single Cell RNA-Sequencing of Rheumatoid Synovial Fibroblasts Reveals a Disease-Associated Spatial Gradient Modulated By Inductive Notch Signaling
Kevin Wei¹, Ilya Korsunsky², Jennifer Marshall³, Gerald Watts⁴, Anqi Gao⁵, Philip Blazar⁶, Jeffrey Lange⁶, Thomas Thornhill⁶, Chris Buckley⁷, Soumya Raychaudhuri⁸ and Michael Brenner⁹, ¹Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ²Division of Genetics, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ³Rheumatology Research Group, Institute of Inflammation and Ageing, University of Birmingham, Birmingham, United Kingdom, ⁴Brigham and Women's Hospital, Boston, MA, ⁵Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA, ⁶Orthopaedic Surgery, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ⁷University of Birmingham, Birmingham, United Kingdom, ⁸Medical and Population Genetics Program, Broad Institute of MIT and Harvard, Cambridge, MA, ⁹Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA
Background/Purpose: In rheumatoid arthritis (RA), tissue resident fibroblasts orchestrate chronic inflammation and regulate pathologic bone and cartilage remodeling that causes irreversible joint damage. Recently, we…
Abstract Number: 932 • 2018 ACR/ARHP Annual Meeting
Fibroblasts Senescence Is Observed in Rheumatoid and Osteoarthritic Synovial Tissues and Triggers a Pro-Inflammatory Program Ex Vivo
Manuel J Del Rey¹, Alvaro Valin², Alicia Usategui³, Sandra Ergueta³, Vanessa Miranda³, Jesús Fernández-Felipe³, Juan D. Cañete⁴, Francisco J Blanco⁵, Gabriel Criado³ and Jose L. Pablos^6,7, ¹Grupo de Enfermedades Inflamatorias y Autoinmunes, Servicio de Reumatología,, Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain, ²Grupo de Enfermedades Inflamatorias y Autoimmunes, Servicio de Reumatología, Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain, ³Grupo de Enfermedades Inflamatorias y Autoinmunes, Servicio de Reumatología, Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain, ⁴Rheumatology Department Hospital Clinic and IDIBAPS, Barcelona, Spain, Barcelona, Spain, ⁵Rheumatology Division (INIBIC-CHUAC), Osteoarticular and Aging Research Lab, Proteomics Unit, La Coruna, Spain, ⁶Servicio de Reumatología, Rheumatology Department, Hospital 12 de Octubre, Spain, Madrid, Spain, ⁷Grupo de Enfermedades Inflamatorias y Autoinmunes, Instituto de Investigación Hospital 12 de Octubre (i+12), Madrid, Spain
Background/Purpose: Inflammation is an important component of most age-related disorders. Cellular changes associated to aging are tightly connected with pro-inflammatory mechanisms. The purpose of this…
Abstract Number: 951 • 2018 ACR/ARHP Annual Meeting
IFN-Gamma Production in Lyme Arthritis Synovial Tissue Promotes Differentiation of Fibroblast-like Synoviocytes into Inflammatory Effector Cells
Robert Lochhead¹, David Ordonez-Del Valle¹, Sheila Arvikar², Allen C. Steere² and Klemen Strle³, ¹Center for Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, BOSTON, MA, ²Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, ³Department of Immunology and Inflammatory Diseases, Massachusetts General Hospital, Harvard Medical School, BOSTON, MA
Background/Purpose: Lyme arthritis (LA), a late-disease manifestation of Borrelia burgdorferi infection, usually responds to antibiotic therapy. However, some patients may develop a proliferative synovitis lasting…
Abstract Number: 642 • 2017 ACR/ARHP Annual Meeting
Downstream Effects of Apremilast in Human Arthritic Ex Vivo Models
Tue Wenzel Kragstrup^1,2, Søren Lomholt², Morten Aagaard Nielsen², Line Dam Heftdal², Peter H. Schafer³ and Bent Deleuran^2,4, ¹Randers Regional Hospital, Randers, Denmark, ²Department of Biomedicine, Aarhus University, Aarhus, Denmark, ³Department of Translational Development, Celgene Corporation, Summit, NJ, ⁴Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark
Background/Purpose: Apremilast (Otezla) is a PDE4 inhibitor approved for the treatment of psoriasis and psoriatic arthritis, but the mechanisms of action of apremilast are not…
Abstract Number: 1717 • 2017 ACR/ARHP Annual Meeting
Skin Commensal Bacteria Might Affect Wound Repair in SSc By Preventing Fibroblast Activation and By Provoking Chronic Inflammatory Reaction
Masaya Yokota¹, Janine Schniering¹, Oliver Distler² and Britta Maurer³, ¹Center of Experimental Rheumatology, Department of Rheumatology, University Hospital Zurich, Switzerland, Zurich, Switzerland, ²Department of Rheumatology, University Hospital Zurich, Zurich, Switzerland, ³Department of Rheumatology, Center of Experimental Rheumatology, University Hospital Zurich, Zurich, Switzerland
Background/Purpose: Chronic digital ulcers (DU) due to peripheral microangiopathy are a major complication in systemic sclerosis (SSc). Chronic wounds are often enriched in bacteria without…
Abstract Number: 763 • 2017 ACR/ARHP Annual Meeting
Mechanisms of Insulin-like Growth Factor-II-Mediated Fibrosis
Sara Garrett¹, Justin Thomas², Eileen Hsu³ and Carol A. Feghali-Bostwick⁴, ¹Medicine/Rheumatology & Immunology, Medical University of South Carolina, Charleston, SC, ²Eisenhower Medical Center, Rancho Mirage, CA, ³Kaiser Permanente Medical Group, Mclean, VT, ⁴Division of Rheumatology and Immunology, Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston, SC, United States, Charleston, SC
Background/Purpose: Previous work has shown that insulin-like growth factor (IGF)-II is increased in fibrosing lung diseases, including idiopathic pulmonary fibrosis (IPF) and scleroderma/systemic sclerosis (SSc)-associated…