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  • Abstract Number: 2069 • 2012 ACR/ARHP Annual Meeting

    Proteinase Activated Receptor-4 Stimulation Promotes Leukocyte Adhesion in the Rat Knee Joint

    Jason J. McDougall, Departments of Pharmacology and Anaesthesia, Dalhousie University, Halifax, NS, Canada

    Background/Purpose: Proteinase activated receptors (PARs) are a family of G protein-coupled receptors that signal by enzymatic cleavage of the receptor in a specific extracellular domain.…
  • Abstract Number: 2070 • 2012 ACR/ARHP Annual Meeting

    Myeloid-Derived Suppressor Cells Accumulated in Spleens of Mice with Collagen-Induced Arthritis and Inhibited Immune Response of CD4+ T Cells

    Wataru Fujii1, Eishi Ashihara2, Hideyo Hirai3, Hidetake Nagahara1, Kazuki Fujioka1, Ken Murakami1, Kaoru Nakamura1, Takahiro Seno1, Aihiro Yamamoto1, Hidetaka Ishino1, Masataka Kohno1, Taira Maekawa3 and Yutaka Kawahito1, 1Department of Inflammation and Immunology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan, 2Department of Clinical and Translational Physiology, Kyoto Pharmaceutical University, Kyoto, Japan, 3Department of Transfusion Medicine and Cell Therapy, Kyoto University Hospital, Kyoto, Japan

    Background/Purpose: Myeloid-derived suppressor cells (MDSCs), firstly reported in patients with cancer, have a myeloid origin and an ability to suppress T cell responses. MDSCs are…
  • Abstract Number: 2071 • 2012 ACR/ARHP Annual Meeting

    The Potent, Highly Selective and Orally Bioavailable Spleen Tyrosine Kinase Inhibitor GSK143 Demonstrates Efficacy in B Cell Receptor and Fc Receptor Signalling in Models of Inflammatory and Autoimmune Disease

    Marion C. Dickson1, Nicholas Smithers2, Huw Lewis1, Cesar Ramirez-Molina1, Scott McCleary1, Mike Barker1 and John Liddle1, 1Immuno Inflammation, GSK, Stevenage, United Kingdom, 2Immuno Inflammation, GlaxoSmithKline, Stevenage, United Kingdom

    Background/Purpose: Spleen tyrosine kinase (Syk), a 72 KDa cytosolic non-receptor tyrosine kinase is a key mediator of B cell receptor (BCR) and Fc receptor (FcR)…
  • Abstract Number: 2072 • 2012 ACR/ARHP Annual Meeting

    Bone Formation and Resorption Are Both Increased in Autoimmune Arthritis

    Kresten K. Keller1, Jesper Skovhus Thomsen2, Kristian Stengaard-Pedersen1, Frederik Dagnæs-Hansen3, Jens R. Nyengaard4 and Ellen-Margrethe Hauge1, 1Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark, 2Institute of Anatomy, Aarhus University, 3Institute of Medical Microbiology and Immunology, Aarhus University, Aarhus, Denmark, 4Stereology and Electron Microscopy Laboratory, Centre for Stochastic Geometry and Advanced Bioimaging. Aarhus University hospital, Aarhus, Denmark

    Background/Purpose: Bone destruction in the joints of patients with rheumatoid arthritis (RA) is the result of a combination of osteoclastic bone resorption and osteoblastic bone…
  • Abstract Number: 2073 • 2012 ACR/ARHP Annual Meeting

    Green Tea Epigallocatechin-3-Gallate Ameliorates Murine Arthritis by Inducing IDO Producing Dendritic Cells Via Nrf2 Antioxidant Pathway

    Soyoun Min1, Mei Yan1, Kamala Vanarsa2, Anna Bashmakov1 and Chandra Mohan1, 1Internal Medicine/Division of Rheumatology, University of Texas Southwestern Medical Center, Dallas, TX, 2Internal Medicine - Rheumatic Diseases, University of Texas Southwestern Medical Center, Dallas, TX

    Background/Purpose: To examine the immunomodulatory effects and mechanisms of Green Tea (−)-epigallocatechin-3-gallate (EGCG) on experimental arthritis in mice, we investigated whether EGCG can afford therapeutic…
  • Abstract Number: 2074 • 2012 ACR/ARHP Annual Meeting

    Combined Effects of a c-Fos/AP-1 Inhibitor T-5224 and Methotrexate On Collagen-Induced Arthritis in Mice

    Tomomi Date1, Yukihiko Aikawa1, Tetsuya Yamamoto1, Hirokazu Narita1, Shuichi Hirono2 and Shunichi Shiozawa3, 1Research Laboratories, Toyama Chemical Co., Ltd, Toyama, Japan, 2Department of Pharmaceutical Sciences, School of Pharmacy, Kitasato University, Tokyo, Japan, 3Department of Medicine & Rheumatology, Kyushu University Beppu Hospital, Beppu, Japan

    Background/Purpose: Activator protein-1 (AP-1) is an important transcription factor for cytokine production and joint destruction in rheumatoid arthritis (RA), and a potential target for the…
  • Abstract Number: 2075 • 2012 ACR/ARHP Annual Meeting

    CCR6+ Foxp3+ Regulatory T Cells Regulate the Development of Collagen Induced Arthritis in T Cell Specific RORγt Transgenic Mice

    Yuya Kondo1, Masahiro Tahara1, Mana Iizuka1, Hiroto Tsuboi1, Satoru Takahashi2, Isao Matsumoto1 and Takayuki Sumida1, 1Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan, 2Department of Anatomy and Embryology, Faculty of Medicine,, University of Tsukuba, Tsukuba, Japan

    Background/Purpose: Recent studies reported that IL-17 producing Th-17 cells appear to play an important role in the generation of several autoimmune arthritis models. We previously…
  • Abstract Number: 2076 • 2012 ACR/ARHP Annual Meeting

    Efficacy of the Potent PI3K-δ,γ Inhibitor IPI-145 in Rat Adjuvant Arthritis

    David L. Boyle1, Katharyn Topoleweski1 and Gary S. Firestein2, 1Div of Rheum, UCSD School of Medicine, La Jolla, CA, 2Div of Rheumatology, UCSD School of Medicine, La Jolla, CA

    Background/Purpose: Phosphoinositide 3-kinase (PI3K) is a family of intracellular signaling transducers and could be targeted to treat inflammatory diseases like rheumatoid arthritis (RA). However, blockade…
  • Abstract Number: 2077 • 2012 ACR/ARHP Annual Meeting

    IL-6 Blockade Augments the Anti-Inflammatory Effect without Increasing the Side Effects of Steroids in Collagen-Induced Arthritis

    Miho Suzuki1, Hiroto Yoshida2, Misato Hashizume1, Masashi Shiina2, Keisuke Tanaka1 and Yoshihiro Matsumoto1, 1Product Research Department, Chugai Pharmaceutical Co., Ltd., Gotemba, Japan, 2Product Research Department, Chugai Pharmaceutical Co., Ltd., Gotemba, Shizuoka, Japan

    Background/Purpose: Steroids are the main therapy for chronic inflammatory diseases. They are very effective, but induce many side effects, such as osteoporosis, making it important…
  • Abstract Number: 2078 • 2012 ACR/ARHP Annual Meeting

    Low-Density Lipoprotein Receptor Deficiency Ameliorates the Development of Inflammatory Arthritis

    Shawn Rose1 and Harris R. Perlman2, 1Department of Medicine, Division of Rheumatology, Northwestern University, Chicago, IL, 2Feinberg School of Medicine, Northwestern University, Chicago, IL

    Background/Purpose: Patients with rheumatoid arthritis (RA) carry a higher risk of cardiovascular disease compared to the general population.  The low-density lipoprotein receptor (LDLR) and Apolipoprotein…
  • Abstract Number: 2079 • 2012 ACR/ARHP Annual Meeting

    Anti-Interleukin-6 Receptor Antibody Improves Systemic Osteoporosis in a Mice Model of Glucose-6-Phosphate Isomerase-Induced Arthritis

    Hiroto Yoshida1, Miho Suzuki1, Misato Hashizume1, Keisuke Tanaka2, Masashi Shiina2, Isao Matsumoto3, Takayuki Sumida3 and Yoshihiro Matsumoto2, 1Product Research Department, Chugai Pharmaceutical Co., Ltd., Gotemba, Japan, 2Product Research Department, Chugai Pharmaceutical Co., Ltd., Gotemba, Shizuoka, Japan, 3Division of Rheumatology, Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba City, Japan

    Background/Purpose: Patients with rheumatoid arthritis (RA) have a high risk of osteoporosis and osteoporotic fracture. In addition to the primary risk factors for osteoporosis, osteoporosis…
  • Abstract Number: 2080 • 2012 ACR/ARHP Annual Meeting

    IL-20 Is Not Involved in Mouse Collagen Induced Arthritis

    Christina Andersson1, Kyle Serikawa2, Hermann Pelzer3, Peter Thygesen3, Patricia Smith2, Kim Kruse2, Shameek Biswas2, Brian Fox2, Anders Milner4, Peter Kvist5, Josephine Hebsgaard6, Jesper Pass7 and John Rømer8, 1AID Models, Immunopharmacology, Biopharmaceutical Research Unit, Novo Nordisk A/S, Måløv, Denmark, 2Molecular Immunology, Biopharmaceutical Research Unit, Novo Nordisk A/S, Seattle, WA, 3Exploratory ADME, Biopharmaceutical Research Unit, Novo Nordisk A/S, Måløv, Denmark, 4DMPK, Cell and Antibody Analysis, Biopharmaceutical Research Unit, Novo Nordisk A/S, Måløv, Denmark, 5Histology, Novo Nordisk A/S, Måløv, Denmark, 6Histology, Biopharmaceutical Research Unit, Novo Nordisk A/S, Måløv, Denmark, 7Antibody Thechnology, Biopharmaceutical Research Unit, Novo Nordisk A/S, Måløv, Denmark, 8Inflammation Science, Biopharmaceutical Research Unit, Novo Nordisk A/S, Måløv, Denmark

    Background/Purpose: Interleukin-20 (IL-20) is a pro-inflammatory cytokine involved in the pathogenesis of rheumatoid arthritis (RA). Clinical phase 2a testing has shown that treatment with an…
  • Abstract Number: 2041 • 2012 ACR/ARHP Annual Meeting

    Improving Access and Patient Education in Rheumatology: the Gout Shared Medical Appointment; a Quality Improvement Initiative

    Alicia J. Zbehlik1 and Nicole M. Orzechowski2, 1Rheumatology, Dartmouth-Hitchcock Medical Center, Lebanon, NH, 2Section of Rheumatology, Dartmouth-Hitchcock Med Ctr, Lebanon, NH

    Background/Purpose: Patients experience long waits for consultations in Rheumatology at Dartmouth-Hitchcock Medical Center (DHMC).  The cause of this is multi-factorial, including provider referral patterns, patient preferences,…
  • Abstract Number: 2042 • 2012 ACR/ARHP Annual Meeting

    Enhancing Shared Decision-Making in Juvenile Idiopathic Arthritis

    Jessica M. Sage1, Ellen A. Lipstein2, William B. Brinkman3, Carole M. Lannon4 and Esi M. Morgan DeWitt5, 1Division of Rheumatology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 2Division of Adolescent Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 3Division of General and Community Pediatrics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 4James M. Anderson Center for Health Systems Excellence, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 5Rheumatology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH

    Background/Purpose: Juvenile idiopathic arthritis (JIA) is a chronic disease that requires long-term treatment. Patients and families face multiple treatment decisions over the course of illness…
  • Abstract Number: 2043 • 2012 ACR/ARHP Annual Meeting

    Documentation of Improvement Over 2 Months in Osteoarthritis, Systemic Lupus Erythematosus, Spondyloarthropathy and Gout Similarly to Rheumatoid Arthritis According to Function, Pain, Patient Global Estimate and RAPID3 On a Multidimensional Health Assessment Questionnaire (MDHAQ)

    Isabel Castrejón1, Martin J. Bergman2 and Theodore Pincus1, 1Rheumatology, Rush University Medical Center, Chicago, IL, 2Taylor Hospital, Ridley Park, PA

    Background/Purpose: The health assessment questionnaire (HAQ) and multidimensional HAQ (MDHAQ) were developed initially to assess patients with rheumatoid arthritis (RA). The most feasible method to…
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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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