Abstracts tagged "Gene Expression"

Abstract Number: 1243 • 2015 ACR/ARHP Annual Meeting
Identification of the Gene Expression Signatures Predicting the Responses to Three Biologics (infliximab, tocilizumab, and abatacept) in Rheumatoid Arthritis
Seiji Nakamura¹, Hiroshi Iijima¹, Yuko Hata², Yohei Ishizawa², Chun Ren Lim², Ryo Matoba², Katsuya Suzuki³, Koichi Amano⁴ and Tsutomu Takeuchi³, ¹Kanagawa, DNA Chip Research Inc., Yokohama, Japan, ²DNA Chip Research Inc., Yokohama, Japan, ³Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan, ⁴Rheumatology and Clinical Immunology, Saitama Medical Center, Saitama Medical University, Kawagoe, Japan
Background/Purpose: Employing genome-wide gene transcription on a unified platform, to identify molecular signatures for predicting therapeutic effects for rheumatoid arthritis (RA) with three biologics, infliximab…
Abstract Number: 2564 • 2015 ACR/ARHP Annual Meeting
Nuclear Receptor 4A2 Is Selectively Upregulated in the Human TNF-Alpha Transgenic Model of Rheumatoid Arthritis
Jackeline Araujo, Cullen Lilley and Kimberlee Mix, Biological Sciences, Loyola University New Orleans, New Orleans, LA
Background/Purpose: The orphan nuclear receptor 4A2 (NR4A2 / NURR1) is emerging as a critical transcription factor in chronic inflammatory joint diseases. We have demonstrated elevated…
Abstract Number: 1249 • 2015 ACR/ARHP Annual Meeting
Differential Expression of SLE Susceptibility Genes By Interferon-Alpha and the HLA-DRB1*03:01 Haplotype in Ex Vivo B Cells
Carolina Duarte¹, Lora Boteva², Timothy Vyse¹ and Michelle Fernando¹, ¹Division of Genetics and Molecular Medicine and Division of Immunology, Infection and Inflammatory Disease, King's College London, London, United Kingdom, ²MRC Human Genetics Unit, University of Edinburgh, Edinburgh, United Kingdom
Background/Purpose: Systemic lupus erythematosus (SLE) is a complex genetic autoimmune disease characterized by autoantibody production and up-regulation of type 1 interferons (IFNs). The strongest genetic association…
Abstract Number: 2574 • 2015 ACR/ARHP Annual Meeting
Rheumatoid Arthritis Leads to Altered Gene Expression in the Brain and Behavioral Changes in Mice
Karin ME Andersson¹, Lovisa Leifsdottir², Malin Erlandsson¹, Marcela Pekna³, Milos Pekny³, Kjell Olmarker⁴ and Maria Bokarewa⁵, ¹Rheumatology and Inflammation Research, University of Gothenburg, Gothenburg, Sweden, ²Department of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden, ³Center for Brain Repair and Rehabilitation, Department of Clinical Neuroscience and Rehabilitation, Institute of Neuroscience and Physiology, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden, ⁴Musculoskeletal Research, Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, Sahlgrenska University Hospital, University of Gothenburg, Gothenburg, Sweden, ⁵Rheumatology and Inflammation Research, Göteborgs University, Göteborg, Sweden
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disorder characterized by joint inflammation and destruction. Pain is the major symptom in RA, which often persists despite…
Abstract Number: 1251 • 2015 ACR/ARHP Annual Meeting
Physiological Evidence for Diversification of the IFNα- or IFNβ-Mediated Response Programs in Different Autoimmune Diseases
Tamarah D. de Jong¹, Saskia Vosslamber¹, Elise Mantel¹, Sander de Ridder¹, John G. Wesseling¹, Tineke C.T.M. van der Pouw Kraan², Joep Killestein³, Ingrid E. Lundberg⁴, Jiri Vencovsky^5,6, Irene E.M. Bultink⁷, Alexandre E. Voskuyl⁸, Michiel Pegtel¹, Conny J. van der Laken⁹, Johannes W. Bijlsma⁸ and Cornelis L. Verweij¹, ¹Pathology, VU University medical center, Amsterdam, Netherlands, ²Molecular Cell Biology and Immunology, VU University medical center, Amsterdam, Netherlands, ³Neurology, VU University medical center, Amsterdam, Netherlands, ⁴Rheumatology Unit, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden, ⁵Rheumatology, Institute of Rheumatology and Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, ⁶Institute of Rheumatology and Department of Rheumatology, 1st Faculty of Medicine, Charles University, Prague, Czech Republic, Prague, Czech Republic, ⁷Amsterdam Rheumatology and immunology Center, location VU University medical center, Amsterdam, Netherlands, ⁸Rheumatology, Amsterdam Rheumatology and immunology Center, location VU University medical center, Amsterdam, Netherlands, ⁹Rheumatology, VU University medical center, Amsterdam, Netherlands
Background/Purpose: Presence of a type I interferon (IFN) signature is described for several autoimmune diseases, including systemic lupus erythematosus (SLE), multiple sclerosis (MS), myositis (IIM)…
Abstract Number: 2808 • 2015 ACR/ARHP Annual Meeting
Genetic Variants at Chromosome 5q15 Associated with Immune-Mediated Diseases Influence Gene Expression and Isoform Profile of the Endoplasmic Reticulum Aminopeptidase
Aimee Hanson¹, Katelin Haynes², Gethin Thomas², Thomas Cuddihy², Paul Leo² and Matthew A. Brown¹, ¹The University of Queensland Diamantina Institute, Brisbane, Australia, ²University of Queensland Diamantina Institute, Brisbane, Australia
Background/Purpose: Polymorphisms in the endoplasmic reticulum aminopeptidase genes ERAP1 and/or ERAP2 are strongly associated with the diseases AS, psoriasis, IBD and Behcet’s disease. Robust genetic…
Abstract Number: 1611 • 2015 ACR/ARHP Annual Meeting
Gene Expression Profiling Reflects Increased Expression of Coronary Artery Disease Associated Genes in a Case-Control Matched Study of Patient with Rheumatoid Arthritis
Erica Peart¹, Kim Huffman², William E. Kraus³, Phil Beineke⁴, Jim Wingrove⁴ and Steve Rosenberg⁴, ¹Rheumatology, Duke University Medical Center, Durham, NC, ²Durham Veterans Affairs Medical Center, Durham, NC, ³Duke Pepper Center, Durham, NC, ⁴CardioDx, Redwood City, CA
Background/Purpose: Peripheral blood gene expression profiling has been used to identify gene signatures which reflect a variety of pathologic conditions. The CorusCAD¨ test is a…
Abstract Number: 2815 • 2015 ACR/ARHP Annual Meeting
A Comparison of Th17 Gene Expression in Psoriatic Arthritis Synovial Fluid and Peripheral Blood
Fatima Abji¹, Remy Pollock², Kun Liang³, Vinod Chandran⁴ and Dafna Gladman⁴, ¹Rheumatology, Toronto Western Hospital and University of Toronto, Toronto, ON, Canada, ²University of Toronto, Toronto Western Hospital, Toronto, ON, Canada, ³Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON, Canada, ⁴Rheumatology, University of Toronto, Toronto Western Hospital, Toronto, ON, Canada
Background/Purpose: Psoriatic arthritis (PsA) is a destructive inflammatory arthritis that develops in approximately 30% of patients with cutaneous psoriasis. Th17 cells infiltrate psoriatic skin and…
Abstract Number: 1613 • 2015 ACR/ARHP Annual Meeting
Expression of the Genes Facilitating Methotrexate Action within Rheumatoid Subcutaneous Nodules
Emma Houlder¹, Melanie Millier², John Highton³, Lisa K. Stamp⁴ and Paul Hessian², ¹Medicine, University of Otago, Dunedin, New Zealand, ²Department of Medicine, University of Otago, Dunedin, New Zealand, ³Dept of Medicine, University of Otago, Dunedin, New Zealand, ⁴Medicine, University of Otago, Christchurch, Christchurch, New Zealand
Background/Purpose: Methotrexate (MTX) is the most frequently used DMARD in the treatment of rheumatoid arthritis (RA). There are known links between the use of MTX…
Abstract Number: 2816 • 2015 ACR/ARHP Annual Meeting
Is the Gender Difference in As Linked to IL-23?
Johannes Nossent¹ and Gunnstein Bakland^2,3, ¹Medicine, University of Western Australia, WA, Australia, ²Dept. of Rheumatology, University Hospital Northern Norway, Tromsø, Norway, ³University of Tromsø, The Arctic University of Norway, Tromsø, Norway
Background/Purpose: Ankylosing Spondylitis (AS) has traditionally been portrayed as a disease where male patients outnumber female patients by a factor 3 to 4. It has…
Abstract Number: 1908 • 2015 ACR/ARHP Annual Meeting
Macitentan Responsiveness Supports the Validity of a Murine Model of Pulmonary Hypertension in Scleroderma Associated with Altered Tgfbeta/BMPR2 Signalling
Emma C. Derrett-Smith¹, Vincent Sobanski², Adrian Gilbane², Sarah Trinder³, Yasmina Bauer⁴, Berengère Renault⁴, Marc Iglarz⁴, David Abraham⁵, Alan M. Holmes⁶ and Christopher P. Denton⁷, ¹Centre for Rheumatology and Connective Tissue Diseases,, UCL Division of Medicine, London, United Kingdom, ²UCL Division of Medicine, London, United Kingdom, ³Centre for Rheumatology and Connective Tissue Disease, UCL Division of Medicine, London, United Kingdom, ⁴Actelion Pharmaceuticals Ltd., Allschwil, Switzerland, ⁵Centre for Rheumatology and Connective Tissue Disease, University College London, London, United Kingdom, ⁶Centre for Rheumatology and Connective Tissue Diseases, UCL Division of Medicine, London, United Kingdom, ⁷Rheumatology and Connective Tissue Diseases, University College London, London, United Kingdom
Background/Purpose: Pulmonary arterial hypertension (PAH) is an important complication of systemic sclerosis (SSc) that occurs in around 10% of cases. We have previously shown that…
Abstract Number: 2827 • 2015 ACR/ARHP Annual Meeting
Analysis of HLA-B27 Transgenic Rats Reveals Specific Gut Transcriptome and Microbiome Signatures Associated with Inflammation
Tejpal Gill¹, Mark Asquith², Stephen Brooks¹, James T. Rosenbaum³ and Robert A. Colbert⁴, ¹NIAMS/NIH, Bethesda, MD, ²OHSU, Portland, OR, ³Devers Eye Institute, Legacy Hospital system, Portland, OR, ⁴National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD
Background/Purpose: HLA-B27 and human beta 2-microglobulin expression in rats (transgenic; TG) induces a spontaneous inflammatory disease resembling human spondyloarthritis (SpA) with associated gastrointestinal inflammation. While…
Abstract Number: 102 • 2015 ACR/ARHP Annual Meeting
Xanthine Oxidase Gene Variants and Their Association with Blood Pressure and Incident Hypertension: A Population Based Study
Lieke E.J.M. Scheepers¹, Jan A. Staessen^2,3, Lutgarde Thijs², Erika Salvi⁴, Annelies Boonen⁵ and Ilja C.W. Arts⁶, ¹Department of Internal Medicine, Division of Rheumatology, CAPHRI School for Public Health and Primary Care, Maastricht University Medical Centre, Maastricht, Netherlands, ²Studies Coordinating Centre, Research Unit Hypertension and Cardiovascular Epidemiology KU Leuven, Department of Cardiovascular Diseases, University of Leuven, Leuven, Belgium, ³R & D Group VitaK, Maastricht University, Maastricht, Netherlands, ⁴Department of Health Sciences, University of Milan, Milan, Italy, ⁵Department of Internal Medicine, Division of Rheumatology, Maastricht University Medical Center, Maastricht, Netherlands, ⁶Department of Epidemiology, CAPHRI School for Public Health and Primary Care, CARIM School for Cardiovascular Diseases, and MaCSBio Maastricht Centre for Systems Biology, Maastricht University, Maastricht, Netherlands
Background/Purpose: Uric acid (UA) has been associated with blood pressure (BP) and hypertension. During the final stage of purine metabolism, xanthine oxidoreductase (XOR) breaks down…
Abstract Number: 1915 • 2015 ACR/ARHP Annual Meeting
Pathogenetic Overlap Between Localised and Systemic Scleroderma: A Study of Nodular and Keloidal Morphea Occurring in Systemic Sclerosis
Emma C. Derrett-Smith¹, Nataliya Gak², Svetlana I. Nihtyanova³, Voon H. Ong³, Victoria Swale², Cate Orteu² and Christopher P. Denton⁴, ¹Centre for Rheumatology and Connective Tissue Diseases,, UCL Division of Medicine, London, United Kingdom, ²Royal Free London NHS Foundation Trust, London, United Kingdom, ³Rheumatology, UCL Division of Medicine, London, United Kingdom, ⁴Rheumatology and Connective Tissue Diseases, University College London, London, United Kingdom
Background/Purpose: Localised scleroderma can occur in overlap with systemic sclerosis (SSc); nodular and keloidal morphea are rare subtypes but can be disfiguring and challenging to…
Abstract Number: 3000 • 2015 ACR/ARHP Annual Meeting
Intrinsic Gene Expression Subset Predicts Improvement in Systemic Sclerosis Patients during Dasatinib (SprycelTM) Therapy
Viktor Martyanov¹, Jonathan Goldin², Kim Hyun³, Oumar Sy⁴, Wendy Hayes⁴, Shuyan Du⁴, Michael Whitfield¹ and John Varga⁵, ¹Department of Genetics, Geisel School of Medicine at Dartmouth, Hanover, NH, ²David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, ³Radiology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, ⁴Bristol-Myers Squibb, Princeton, NJ, ⁵Division of Rheumatology, Northwestern University, Feinberg School of Medicine, Chicago, IL
Background/Purpose: Intrinsic gene expression subsets are molecular pathway-driven subtypes of systemic sclerosis (SSc) that have been reproduced across multiple cohorts of SSc patients. The goal…

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