Abstracts tagged "Fibroblasts"

Abstract Number: 974 • 2017 ACR/ARHP Annual Meeting
Leucine-Rich α-2 Glycoprotein Promotes Lung Fibrosis By Modulating TGF-β Signaling in Fibroblasts
Hiromi Honda, Minoru Fujimoto, Satoshi Serada, Hyun Lee, Tomoharu Ohkawara and Tetsuji Naka, Center for Intractable Immune Disease, Kochi University, Nankoku, Japan
Background/Purpose: Interstitial lung disease (ILD) is one of the most common extraarticular manifestation of rheumatoid arthritis. ILD is characterized by progressive fibrosis of the lung…
Abstract Number: 975 • 2017 ACR/ARHP Annual Meeting
IL-17A Induced Autophagy That the Proliferation of Rheumatoid Arthritis Fibroblast-like Synoviocytes through Down-Regulation of PI3K/AKT/mTOR Signaling Pathway
Sang-Hyon Kim¹, Jihye Bang², Ji-Min Kim¹, Chang-Nam Son¹, Jin-Nyeong Chae¹ and Hye-Jin Jeong³, ¹Division of Rheumatology, Department of Internal Medicine, Keimyung University Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Republic of Korea, Daegu, Korea, Republic of (South), ²Division of Rheumatology, Department of Internal Medicine, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea, Republic of (South), ³Department of Rheumatology, Keimyung University Dongsan Medical Center, Daegu, Korea, Republic of (South)
Background/Purpose: Autophagy is generally thought of as a survival mechanism, although its deregulation has been linked to non-apoptotic cell death. Fibroblast-like synoviocytes (FLS) resistance to…
Abstract Number: 1409 • 2017 ACR/ARHP Annual Meeting
Ursolic Acid Promotes Apoptosis of Rheumatoid Athritis Synovial Fibroblasts By Upregulating Noxa Expression and Recruiting E3 Ligase Mule to Degrade Mcl-1
Eugene Kim¹, Solomon Agere¹, Sadik Khuder² and Salahuddin Ahmed¹, ¹Department of Pharmaceutical Sciences, Washington State University, College of Pharmacy, Spokane, WA, ²Department of Medicine, University of Toledo, Toledo, OH
Background/Purpose: In our previous study, we discovered that ursolic acid (UA), a pentacyclic triterpenoid with anti-inflammatory properties, induces apoptosis in synovial fibroblasts from rheumatoid arthritis…
Abstract Number: 1415 • 2017 ACR/ARHP Annual Meeting
TNF-Induced IRF1 Is Critical for the Inflammatory Gene Expression in Fibroblast-like Synoviocytes
Michael Bonelli¹, Karolina von Dalwigk², Birgit Niederreiter¹, Thomas Pap³, Josef S. Smolen⁴, Hans Peter Kiener¹ and Thomas Karonitsch¹, ¹Rheumatology, Medical University of Vienna, Vienna, Austria, ²Department of Rheumatology, Medical University of Vienna, Vienna, Austria, ³Institute of Musculoskeletal Medicine, University Hospital Muenster, Muenster, Germany, ⁴Medical University Vienna, Division of Rheumatology, Department of Internal Medicine III, Vienna, Austria
Background/Purpose: Fibroblast-like synoviocytes (FLS) are increasingly recognised as major pathogenic cells in synovial inflammation of patients with Rheumatoid Arthritis (RA). In response to pro-inflammatory stimuli,…
Abstract Number: 1417 • 2017 ACR/ARHP Annual Meeting
Mitophagy Defect in Fibroblast-like Synoviocytes of Rheumatoid Arthritis Is Improved By Pyruvate Treatment
Jeong Yeon Kim^1,2, ShinEui Kang^3,4, Hyun Jung Yoo^1,5, Ji Soo Park^1,2, Sehui Shon^1,2, Eun Young Lee², Eun Bong Lee⁵ and Yeong Wook Song^1,6, ¹Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea., Seoul, Korea, Republic of (South), ²Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea., Seoul, Korea, Republic of (South), ³Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, Seoul National University, Seoul, Korea., seoul, Korea, Republic of (South), ⁴Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea., seoul, Korea, Republic of (South), ⁵Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea, Republic of (South), ⁶Department of Molecular Medicine and Biopharmaceutical Sciences, Graduate School of Convergence Science and Technology, and College of Medicine, Seoul National University, Seoul, Korea, Republic of (South)
Background/Purpose: Fibroblast-like synoviocytes (FLS) in the synovial intimal lining produce pro-inflammatory cytokines resulting in increase of joint inflammation. Recent studies about the cellular metabolism in…
Abstract Number: 171 • 2017 ACR/ARHP Annual Meeting
Finding Transcriptional Regulators Central to RA with Transcriptomics of IL17 Dose Response, Time Series, and siRNA Silencing in Stromal Cells
Kamil Slowikowski¹, Hung Nguyen², Gerald Watts², Fumitaka Mizoguchi³, Erika H. Noss⁴, Michael Brenner⁵ and Soumya Raychaudhuri⁶, ¹Harvard University, Boston, MA, ²Brigham and Women's Hospital, Boston, MA, ³Department of Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU), Tokyo, Japan, ⁴Division of Rheumatology, University of Washington, Seattle, WA, ⁵Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ⁶Division of Medicine and Rheumatology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
Background/Purpose: Rheumatoid arthritis (RA) is characterized by immune cell infiltration into the synovial membrane of the joint, where they engage stromal cells such as synovial…
Abstract Number: 1714 • 2017 ACR/ARHP Annual Meeting
Inhibition of Hedgehog Acyltransferase Alleviates the Profibrotic Effects of Transforming Growth Factor β in Systemic Sclerosis
Ruifang Liang¹, Rosebeth Kagwiria², Clara Dees³, Yun Zhang⁴, Oliver Distler⁵, Georg Schett⁶ and Jörg Distler⁷, ¹Department of Internal Medicine 3 – Rheumatology and Immunology, Universitätsklinikum Erlangen, Department of Internal Medicine 3 and Institute for Clinical Immunology, Friedrich-Alexander-University of Erlangen-Nuremberg and University Hospital Erlangen, Erlangen, Germany, ²Department of Internal Medicine 3 and Institute for Clinical Immunology, Friedrich-Alexander-University of Erlangen-Nuremberg and University Hospital Erlangen, Erlangen, Germany, ³Department of Internal Medicine 3 and Institute for Clinical Immunology,, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany, ⁴Department of Internal Medicine 3 and Institute for Clinical Immunology, Department of Internal Medicine 3 and Institute for Clinical Immunology, Friedrich-Alexander-University of Erlangen-Nuremberg and University Hospital Erlangen, Erlangen, Germany, ⁵Department of Rheumatology, University Hospital Zurich, Zurich, Switzerland, ⁶Department of Internal Medicine 3 – Rheumatology and Immunology, Department of Internal Medicine 3 and Institute for Clinical Immunology, Friedrich-Alexander-University of Erlangen-Nuremberg and University Hospital Erlangen, Erlangen, Germany, ⁷Department of Internal Medicine 3 – Rheumatology and Immunology, Universitätsklinikum Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
Background/Purpose: Hedgehog acyltransferase (Hhat) catalyzes the attachment of the fatty acid palmitate onto Sonic Hedgehog (Shh), a modification essential for Shh signaling activity. Palmitoylation of…
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…
Abstract Number: 1721 • 2017 ACR/ARHP Annual Meeting
Long Noncoding RNA H19X Is a Key Regulator of Apoptosis and Proliferation of Fibroblasts in Systemic Sclerosis and Other TGFβ-Driven Fibrotic Diseases
Elena Pachera¹, Adam Wunderlin¹, Shervin Assassi², Gloria Salazar², Mojca Frank Bertoncelj¹, Rucsandra Dobrota¹, Matthias Brock³, Carol A. Feghali-Bostwick⁴, Gerard Dijkstra⁵, Gerhard Rogler⁶, Tobias van Haaften Wouter⁶, Jörg Distler⁷, Gabriela Kania¹ and Oliver Distler¹, ¹Department of Rheumatology, Center of Experimental Rheumatology, University Hospital Zurich, Zurich, Switzerland, ²Rheumatology, University of Texas Health Science Center at Houston, Houston, TX, ³Department of Pulmonology, University Hospital Zurich, Zurich, Switzerland, ⁴Division of Rheumatology and Immunology, Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston, SC, United States, Charleston, SC, ⁵Department of Gastroenterology and Hepatology, University Medical Center Groningen, Groningen, Switzerland, ⁶Department of Gastroenterology and Hepatology, University Hospital Zurich, Zurich, Switzerland, ⁷Internal Medicine 3, University of Erlangen, Erlangen, Germany
Background/Purpose: Long noncoding RNAs (lncRNAs) are a class of transcripts regulating gene expression. We have recently identified a novel lncRNA, H19X, which was upregulated in…
Abstract Number: 769 • 2017 ACR/ARHP Annual Meeting
Proteomic Analysis of Human Fibroblasts in Systemic Sclerosis Reinforces the Role of Transforming Growth Factor-ß and Points Toward Epidermal Growth Factor Receptor / Phosphatidylinositol 3 Kinase Pathway Inhibition
Benjamin Chaigne¹, Guilhem Clary², Morgane Le Gall³, Nicolas Dumoitier⁴, Sebastien Lofek⁵, Philippe Chafey², Pia Moinzadeh⁶, Thomas Krieg⁷, Christopher Denton⁸ and Luc Mouthon⁹, ¹Service de Médecine Interne, Centre de Référence Maladies Systémiques Autoimmunes Rares d’Ile de France, hôpital Cochin, DHU Authors, Assistance Publique-Hôpitaux de Paris, Paris, France, ²INSERM U1016, Institut Cochin,, Paris, France, ³INSERM U1016 Institut Cochin, Paris, France, ⁴INSERM U1016, Institut Cochin, Equipe Neutrophiles et Vascularites, Paris, France, ⁵INSERM U1016, paris, France, ⁶Department of Rheumatology, UCL Division of Medicine, London, United Kingdom, ⁷Universität zu Köln, Köln, Germany, ⁸Department of Rheumatology, University College London, Royal Free Hospital, London, United Kingdom, ⁹Service de Médecine Interne, Hôpital Cochin, Centre de référence national pour les maladies systémiques autoimmunes rares d’Ile de France, DHU Authors, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France ;Université Paris Descartes Sorbonne Paris, Paris, France
Background/Purpose: Systemic sclerosis (SSc) is a rare autoimmune connective tissue disorder characterized by autoimmunity, vasculopathy and fibrosis. Fibrosis is due to an exaggerated activation of…
Abstract Number: 1927 • 2017 ACR/ARHP Annual Meeting
Anti-Fibrotic Mechanisms of Endostatin-Derived Peptide Are the Result of Reduction in Pro-Fibrotic Mediators and Promotion of Extracellular Matrix Degradation
Tomoya Watanabe¹, Tetsuya Nishimoto², Takahisa Takihara³, Logan Mlakar⁴, Yunyun Su⁵ and Carol A. Feghali-Bostwick⁶, ¹Rheumatology, Medical University of South Carolina, Charleston, SC, ²Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston, SC, ³Division of Pulmonary Medicine, Tokai University School of Medicine, Isehara, Japan, ⁴Medical University of South Carolina, Charleston, SC, ⁵Medicine, Division of Rheumatology and Immunology, Medical University of South Carolina, charleston, SC, ⁶Division of Rheumatology and Immunology, Division of Rheumatology and Immunology, Medical University of South Carolina, Charleston, SC, United States, Charleston, SC
Background/Purpose: Fibrotic disorders such as systemic sclerosis (SSc) result in end-stage organ failure and loss of function, consequently causing high morbidity and mortality. We recently…
Abstract Number: 774 • 2017 ACR/ARHP Annual Meeting
The αV Integrin Inhibitor Abituzumab Inhibits Myofibroblast Differentiation
Eileen Samy¹, Yin Wu¹, Georgianna Higginbotham², Roland Grenningloh² and Daigen Xu², ¹TIP Immunology, EMD Serono Research & Development Institute, Inc. (a business of Merck KGaA, Darmstadt, Germany), Billerica, MA, ²EMD Serono Research & Development Institute, Inc. (a business of Merck KGaA, Darmstadt, Germany), Billerica, MA
Background/Purpose: Scleroderma is a progressive fibrotic multi-organ disease characterized by the hardening and tightening of the skin and connective tissues. TGF-β1 is a potent mediator…
Abstract Number: 1928 • 2017 ACR/ARHP Annual Meeting
Fibroblast-like Synovial Cell Production of ED-a Fibronectin Contributes to Inflammation in Osteoarthritis
Tue Wenzel Kragstrup^1,2,3, Dong Hyun Sohn⁴, Christin Lepus³, Kazuhiro Onuma⁵, Qian Wang³, William H. Robinson³ and Jeremy Sokolove³, ¹Randers Regional Hospital, Randers, Denmark, ²Department of Biomedicine, Aarhus University, Aarhus, Denmark, ³VA Palo Alto Healthcare System and Stanford University, Palo Alto, CA, ⁴Microbiology and Immunology, Pusan National University School of Medicine, Yangsan, Korea, Republic of (South), ⁵VA Palo Alto Healthcare System and Stanford University, Stanford, CA
Background/Purpose: The pathophysiology of osteoarthritis (OA) involves wear and tear, and a state of low-grade inflammation. Wear and tear leads to tissue degradation followed by…

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