Abstracts tagged "chemokines"

Abstract Number: 1064 • 2012 ACR/ARHP Annual Meeting
CD1c-Expressing Myeloid Dendritic Cells From Joints of Rheumatoid Arthritis Patients Produce Increased Levels of T Cell-Attracting Chemokines and Strongly Activate Autologous T Cells
F.M. Moret¹, C.E. Hack², F.P.J.G. Lafeber¹, T.R.D.J. Radstake¹ and J.A.G. van Roon¹, ¹Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ²Immunology, UMC Utrecht, Utrecht, Netherlands
Background/Purpose: Myeloid dendritic cells (mDCs) are potent T cell-activating antigen-presenting cells that have been implicated to play a crucial role in the regulation of tolerance…
Abstract Number: 899 • 2012 ACR/ARHP Annual Meeting
A Role for Soluble Interleukin-6 Receptor As an Antagonist of Interleukin-27 Signaling
Misato Hashizume¹, Keiko Esaki² and Yoshihiro Matsumoto¹, ¹Product Research Department, Chugai Pharmaceutical Co., Ltd., Gotemba, Japan, ²Discovery Research Department, Chugai Pharmaceutical Co., Ltd., Gotemba, Japan
Background/Purpose: Recently, it has been reported that interleukin (IL)-27 treatment reduces inflammation and ameliorates arthritis in collagen-induced arthritis mice. IL-27 is a heterodimeric cytokine composed…
Abstract Number: 879 • 2012 ACR/ARHP Annual Meeting
Fucosyltransferase 1 (fut1) Is Overexpressed in Rheumatoid Arthritis Synovial Tissue and Modifies Cytokine Production
Takeo Isozaki¹, Jeffrey H. Ruth², M. Asif Amin¹, Phillip L. Campbell¹, Steven E. Domino³, G. Kenneth Haines III⁴ and Alisa E. Koch⁵, ¹Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, ²Internal Medicine, Division of Rheumatology, University of Michigan Medical Center, Ann Arbor, MI, ³Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI, ⁴Department of Pathology, Yale University, New Haven, CT, ⁵Internal Medicine - Rheumatology, University of Michigan Medical School, Ann Arbor, MI
Background/Purpose: Rheumatoid arthritis (RA) is a systemic autoimmune disease characterized by inflammation and joint destruction. Angiogenesis and cytokine production are involved in the pathogenesis of…
Abstract Number: 2353 • 2012 ACR/ARHP Annual Meeting
TLR2 Activation by Acute Serum Amyloid A Induces Pro-Inflammatory Mechanisms in a Novel Ex Vivo Temporal Artery Explant Culture/Model of Giant Cell Arteritis
Peadar Rooney¹, Danielle Molloy¹, Jennifer McCormick², Mary Connolly¹, Sinead M. Miggin³, Ashwini Maratha³, Douglas J. Veale⁴, Conor Murphy⁵, Eamonn Molloy⁶ and Ursula Fearon⁷, ¹Rheumatology, Dublin Academic Medical Centre, Dublin, Ireland, ²Dublin Academic Medical Centre, Translational Rheumatology Research Group, Dublin, Ireland, ³Biology, Immune Signalling Laboratory, Maynooth, Ireland, ⁴Rheumatology, St. Vincent's University Hospital, Dublin 4, Ireland, ⁵Department of Ophthalmology, Royal Victoria Eye and Ear Hospital, Dublin, Ireland, ⁶Rheumatology, Dublin Academic Medical Centre, St. Vincent's University Hospital, Dublin, Ireland, ⁷Rheumatology, Translation Research Group, Dublin Academic Medical Centre, St. Vincent's University Hospital, Dublin, Ireland
Background/Purpose: Giant cell arteritis (GCA) is the most common form of primary vasculitis. The pathogenesis of this disease is characterised by disregulated angiogenesis and inflammatory…
Abstract Number: 881 • 2012 ACR/ARHP Annual Meeting
Microrna-155 Regulates Chemokines and Chemokine Receptors in Rheumatoid Arthritis Monocyte
Aziza Elmesmari¹, Derek S. Gilchrist¹, Alasdair R. Fraser¹, Diane Vaughan¹, Ross McQueenie², Gerard J. Graham¹, James Brewer³, Iain B. McInnes¹ and Mariola Kurowska-Stolarska¹, ¹Immunology, Institute of Infection,Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom, ²Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom, ³Immunology, Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom
Background/Purpose: Rheumatoid arthritis (RA) is characterized by synovial tissue inflammation leading to joint destruction. Monocytes/macrophages are major effector cells in RA synovitis, principally by releasing…
Abstract Number: 2338 • 2012 ACR/ARHP Annual Meeting
1,25(OH)₂D₃ Modulates the Migration Pattern of Th17 Cells From Patients with Rheumatoid Arthritis
Wendy Dankers¹, Jan Piet van Hamburg², Patrick S. Asmawidjaja¹, Nadine Davelaar¹, Hoyan Wen³, Anne-Marie Mus¹, Edgar Colin², Johannes van Leeuwen⁴, Johanna M.W. Hazes⁵ and Erik Lubberts¹, ¹Rheumatology, Erasmus MC, University Medical Center, Rotterdam, Netherlands, ²Rheumatology, Erasmus MC, Rotterdam, Netherlands, ³Rheumatology and Immunology, Erasmus MC, University Medical Center, Rotterdam, Netherlands, ⁴Internal Medicine, Erasmus MC, University Medical Center, Rotterdam, Netherlands, ⁵Rheumatology, Erasmus University Medical Center, Rotterdam, Netherlands
Background/Purpose: Vitamin D has suppressive effects on autoimmune diseases, such as rheumatoid arthritis (RA). Within these diseases, T-helper-17 (Th17) cells have been implicated to play…
Abstract Number: 883 • 2012 ACR/ARHP Annual Meeting
Role of Phospholipase D1 (PLD1) in the Expression of Proinflammatory Genes in Rheumatoid Arthritis Synovial Fibroblasts (RASF)
Sean C. Friday¹ and David A. Fox², ¹Rheumatology, The University of Michigan, Ann Arbor, MI, ²Rheumatology/Int Medicine, Univ of Michigan Med Ctr, Ann Arbor, MI
Background/Purpose: Interleukin-17 (IL-17) and Tumor Necrosis Factor alpha (TNFa), when co-applied to RASF, induce synergistic expression of proinflammatory genes such as IL-6 and IL-8. Work…
Abstract Number: 2288 • 2012 ACR/ARHP Annual Meeting
The Role of TCR Vä1⁺ NKT Cells in Systemic Sclerosis Patients with Interstitial Pneumonitis
Seiji Segawa¹, Daisuke Goto², Masanobu Horikoshi², Shinya Hagiwara², Naoto Umeda², Hiroshi Ogishima², Yuya Kondo¹, Hiroto Tsuboi¹, Makoto Sugihara¹, Taichi Hayashi¹, Yusuke Chino¹, Isao Matsumoto¹ and Takayuki Sumida¹, ¹Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan, ²Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan
Background/Purpose: Interstitial pneumonia (IP) is one of the critical complications in patients with several autoimmune diseases. However, the exact mechanism of IP remains elusive. Recently,…
Abstract Number: 734 • 2012 ACR/ARHP Annual Meeting
Chemokine (C-C Motif) Receptor 2 Signaling Mediates Persistent Pain in Experimental Osteoarthritis
Rachel E. Miller¹, Phuong Tran², Rosalina Das², Nayereh Ghoreishi-Haack², Richard J. Miller³ and Anne-Marie Malfait⁴, ¹Rheumatology/Biochemistry, Rush University Medical Center, Chicago, IL, ²Rheumatology, Rush University Medical Center, Chicago, IL, ³Molecular Biochemistry and Pharmacology, Northwestern University, Chicago, IL, ⁴Internal Medicine/Biochemistry, Rush University Medical Center, Chicago, IL
Background/Purpose: To investigate the role of MCP-1/CCR2 in the development of pain in osteoarthritis (OA) using a mouse model, destabilization of the medial meniscus (DMM).…
Abstract Number: 2291 • 2012 ACR/ARHP Annual Meeting
Enhanced Release of S100A9 and Hepatocyte Growth Factor by the Epidermis in Systemic Sclerosis
Joanna Nikitorowicz Buniak¹, Christopher P. Denton¹, David J. Abraham² and Richard J. Stratton¹, ¹Centre for Rheumatology and Connective Tissue Diseases, UCL Medical School, London, United Kingdom, ²UCL Medical School, London, United Kingdom
Background/Purpose: Systemic sclerosis (SSc) is a severe disease of unknown aetiology characterised by cellular injury and activation in early stage, followed by autoimmunity and fibrosis.…
Abstract Number: 737 • 2012 ACR/ARHP Annual Meeting
Citrullination of ENA-78/CXCL5 Results in Conversion From a Non-Monocyte Recruiting to a Monocyte Recruiting Chemokine
Ken Yoshida¹, Olex Korchynskyi², Paul P. Tak³, Takeo Isozaki⁴, Jeffrey H. Ruth⁵, Phillip Campbell⁶, Dominique L. Baeten⁷, Danielle M. Gerlag⁷, M. Asif Amin⁸ and Alisa E. Koch⁹, ¹Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, ²Department of Cellular Proliferation and Apoptosis, Institute of Cell Biology, Lviv, Ukraine, ³Departments of Experimental Immunology and Internal Medicine, GlaxoSmithKline U.K. and Academic Medical Center/University of Amsterdam, Amsterdam, Netherlands, ⁴Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, ⁵Internal Medicine, Division of Rheumatology, University of Michigan Medical Center, Ann Arbor, MI, ⁶Department of Internal Medicine, University of Michigan, Ann Arbor, MI, ⁷Division of Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, Netherlands, ⁸Department of Medicine, University of Michigan, Ann Arbor, MI, ⁹Internal Medicine - Rheumatology, University of Michigan Medical School, Ann Arbor, MI
Background/Purpose: Citrullination is a post-translational modification that is the conversion of arginine to citrulline in proteins mediated by peptidylarginine deiminase (PAD). Antibodies directed towards the…

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