Abstracts tagged "lymphocytes"

Abstract Number: 154 • 2020 Pediatric Rheumatology Symposium
T Helper Cell Differentiation in Polyarticular Juvenile Idiopathic Arthritis
Anna Patrick¹, Tashawna Esmond ², David Flaherty ², Thomas Brent Graham ², Susan Thompson ³ and Thomas Aune ¹, ¹Vanderbilt University Medical Center, Nashville, Tennessee, ²Vanderbilt University Medical Center, Nashville, ³Cincinnati Children's Hospital Medical Center/Univ of Cincinnati College of Medicine, Cincinnati
Background/Purpose: Juvenile idiopathic arthritis (JIA) is the most common autoimmune arthritis in children. Polyarticular JIA and extended oligoarticular JIA both have genetic associations near genes…
Abstract Number: 610 • 2019 ACR/ARP Annual Meeting
Ankylosing Spondylitis-associated Killer Immunoglobin-like Receptors Are Strongly Expressed on γδ T Cells
Micah Lefton¹, Nihaarika Sharma ¹ and Joerg Ermann ², ¹Brigham and Women's Hospital, Boston, MA, ²Brigham and Women's Hospital, Boston
Background/Purpose: The mechanism underlying the association between ankylosing spondylitis (AS) and HLA-B27 is still unknown. One of the hypotheses involves the interaction of HLA-B27 homodimers…
Abstract Number: 2519 • 2019 ACR/ARP Annual Meeting
Cenerimod, a Potent, Selective and Orally Active Sphingosine 1-phosphate Receptor 1 Modulator, Reduced Blood Antibody-secreting Cells in Patients with SLE
Daniel Strasser ¹, Virginie Sippel ¹, Ursula Grieder ¹, Andrea Kieninger-Graefitsch ², Gabin Pierlot ¹, Hervé Farine ¹, Paulina Kulig ¹, Geoffroy Bourquin ¹, Marcel Keller ¹, Peter Groenen ¹, Marten Trendelenburg ² and Mark Murphy¹, ¹Idorsia Pharmaceuticals Ltd, Allschwil, Switzerland, ²University Hospital Basel, Basel, Switzerland
Background/Purpose: SLE is an autoimmune disease driven by autoreactive T and B lymphocytes. Lymphocytes infiltrate self-antigen expressing tissues, in which tertiary lymphoid structures are often…
Abstract Number: 2570 • 2019 ACR/ARP Annual Meeting
Urinary Cellular Profile as a Biomarker for Proliferative Lupus Nephritis
Amira El Gerby ¹, Abeer Abdelati ², Hanaa Donia ³ and Nouran Eshak⁴, ¹Rheumatology Department, Faculty of Medicine, Alexandria University, Egypt, Alexandria, Egypt, ²alexandria university, alexandria, Egypt, ³Clnical and Chemical Pathology Department, Faculty of Medicine, ALexandria University, Alexandria, Egypt, ⁴Rheumatology Unit, Internal Medicine Department, Faculty of Medicine, Alexandria University, Lubbock, TX
Background/Purpose: Proliferative lupus nephritis (LN) is one of the most common and serious manifestations of SLE and is a major cause of morbidity. A search…
Abstract Number: 1110 • 2018 ACR/ARHP Annual Meeting
Characterization of CD20+ T Cells in Patients with Systemic Sclerosis
Monica D'Orazio¹, Elisabeth Fliesser², Florentine Moazedi-Fürst³, Martin Stradner⁴, Sonja Kielhauser³, Johannes Fessler⁵ and Hans-Peter Brezinschek¹, ¹Internal Medicine/Division of Rheumatoloy and Immunology, Rheumatology and Immunology, Medical University Graz, Austria, Graz, Austria, ²Div. of Rheumatology and Immunology, Medical University of Graz, Graz, Austria, ³Rheumatology and Immunology, Medical University Graz, Austria, Graz, Austria, ⁴Department of Rheumatology and Immunology, Medical University of Graz, Graz, Austria, ⁵Department of Neurology, Harvard Medical School, Boston, MA
Background/Purpose: Recently, it has been demonstrated that a subset of T cells expresses the B-cell marker CD20. It has been postulated that in rheumatoid arthritis…
Abstract Number: 2038 • 2018 ACR/ARHP Annual Meeting
Subgroups By the Peripheral Immunophenotyping and Different Responses to Biological Dmards in Patients with Rheumatoid Arthritis
Satoshi Kubo¹, Shingo Nakayamada¹, Yusuke Miyazaki¹, Maiko Yoshikawa², Hiroko Yoshinari³, Shigeru Iwata⁴, Kentaro Hanami², Shunsuke Fukuyo³, Ippei Miyagawa⁵, Kazuhisa Nakano¹ and Yoshiya Tanaka⁶, ¹First Department of Internal Medicine, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan, ²The First Department of Internal Medicine, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan, ³University of Occupational and Environmental Health, Japan, Fukuoka, Japan, ⁴First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Japan, Kitakyushu, Japan, ⁵University of Occupational and Environmental Health, Japan, Kitakyushu, Japan, ⁶University of Occupational and Environmental Health, Kitakyushu, Japan
Background/Purpose: In the treatment of rheumatoid arthritis (RA), molecular targeted therapies induced different changes in different immune cell phenotypes. For instance, our previous study showed…
Abstract Number: 2586 • 2018 ACR/ARHP Annual Meeting
Changes in Lymphocytes and Lymphocyte Subsets in Tofacitinib-Treated Patients with Psoriatic Arthritis
Gerd R. Burmester¹, William FC Rigby², Ernest Choy³, Peter Nash⁴, Kevin Winthrop⁵, Philip J. Mease⁶, Pamela Young⁷, Thijs Hendrikx⁷, Cunshan Wang⁸, Sujatha Menon⁸ and Daniela Graham⁸, ¹Charité – University Medicine Berlin, Berlin, Germany, ²Geisel School of Medicine at Dartmouth, Lebanon, NH, ³Cardiff University School of Medicine, Cardiff, United Kingdom, ⁴University of Queensland, Brisbane, Australia, ⁵Oregon Health and Science University, Portland, OR, ⁶Swedish Medical Center and University of Washington, Seattle, WA, ⁷Pfizer Inc, Collegeville, PA, ⁸Pfizer Inc, Groton, CT
Background/Purpose: Tofacitinib is an oral Janus kinase (JAK) inhibitor for the treatment of psoriatic arthritis (PsA). Cytokines involved in lymphocyte development, function, and homeostasis signal…
Abstract Number: 685 • 2018 ACR/ARHP Annual Meeting
Changes in Key Laboratory Values with Tofacitinib 5mg BID Treatment in Patients with Psoriatic Arthritis and Rheumatoid Arthritis
William FC Rigby¹, Gerd R. Burmester², Oliver FitzGerald³, Valderilio F Azevedo⁴, Peter Nash⁵, Thijs Hendrikx⁶, Daniela Graham⁷, Cunshan Wang⁷ and Thomas Jones⁶, ¹Geisel School of Medicine at Dartmouth, Lebanon, NH, ²Charité – University Medicine Berlin, Berlin, Germany, ³Department of Rheumatology, St Vincent’s University Hospital, and Conway Institute for Biomolecular Research, University College, Dublin, Ireland, ⁴Universidade Federal do Paraná, Curitiba, Brazil, ⁵University of Queensland, Brisbane, Australia, ⁶Pfizer Inc, Collegeville, PA, ⁷Pfizer Inc, Groton, CT
Background/Purpose: Tofacitinib is an oral Janus kinase inhibitor for the treatment of psoriatic arthritis (PsA) and rheumatoid arthritis (RA). In most countries where tofacitinib is…
Abstract Number: 660 • 2017 ACR/ARHP Annual Meeting
Strain-Dependent IL-17A Secretion By CD4-CD8- DN αβ T Cells Correlates with Disease Susceptibility in Murine Spondyloarthritis
Imtiyaz Hossain, Mederbek Matmusaev and Joerg Ermann, Division of Rheumatology, Immunology and Allergy, Brigham and Women's Hospital, Boston, MA
Background/Purpose: Hydrodynamic injection of IL-23 minicircles into adult B10.RIII mice induces an inflammatory disease with phenotypic features of human spondyloarthritis. Tissue-resident CD4-CD8- double negative (DN)…
Abstract Number: 961 • 2017 ACR/ARHP Annual Meeting
Adalimumab Reduces CXCR4 Expression during Inflammatory Arthritis and in Fibroblast-like Synoviocytes and Osteoclasts Under Chronic TNF Exposure
Bohdan P. Harvey¹, Li Li¹, Mark Konrad¹, Heather Knight¹, Susan Westmoreland², Melanie Ruzek¹ and Zehra Kaymakcalan¹, ¹AbbVie Bioresearch Center, Worcester, MA, ²AbbVie Inc, AbbVie Bioresearch Center, Worcester, MA
Background/Purpose: The CXCL12/CXCR4 chemokine axis has been implicated in the pathogenesis of RA. The expression of this chemokine and receptor has been shown to be…
Abstract Number: 1427 • 2017 ACR/ARHP Annual Meeting
Monitoring of Absolute Lymphocyte Count in Patients with Rheumatoid Arthritis Treated with Tofacitinib
Gerd R. Burmester¹, Zoltan Szekanecz², Pinaki Biswas³, Sriram Krishnaswami⁴, Christopher F Mojcik³, Hernan Valdez³, Jamie Geier³ and Sander Strengholt⁵, ¹Rheumatology and Clinical Immunology, Charité - University Medicine Berlin, Free University and Humboldt University Berlin, Berlin, Germany, ²University of Debrecen Faculty of Medicine, Debrecen, Hungary, ³Pfizer Inc, New York, NY, ⁴Pfizer Inc, Groton, CT, ⁵Pfizer Inc, Capelle aan den IJssel, Netherlands
Background/Purpose: Tofacitinib is an oral Janus kinase inhibitor for the treatment of RA. Lymphopenia is a frequent feature of RA,1 and RA medications may also…
Abstract Number: 2125 • 2017 ACR/ARHP Annual Meeting
Identification of Long-Term Prognostic Factors for Relapse or Exacerbation in Patients with Pulmonary Sarcoidosis: A Single Center Long-Term Observational Cohort Study
Okinori Murata¹, Atsuko Kudo² and Katsuya Suzuki³, ¹Department of Pulmonary medicine, Hachinohe Red Cross Hospital, Hachinohe, Japan, ²Hachinohe Red Cross Hospital, Hachinohe, Japan, ³Division of Rheumatology, Department of Internal Medicine, Keio University School of Medcine, Tokyo, Japan
Background/Purpose: Sarcoidosis is a systemic granulomatous disease that can affect multiple organs, and in particular lung involvements are common and found in more than 90%…
Abstract Number: 2596 • 2017 ACR/ARHP Annual Meeting
Hydroxychloroquine Use Is Associated with Decreased Dendritic Cell Activation and Thrombolytic Factors in SLE Patients
Samantha Slight-Webb¹, Rufei Lu², Hua Chen¹, Holden T. Maecker³, Paul J. Utz⁴, Joel M. Guthridge⁵ and Judith A. James⁶, ¹Arthritis and Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, ²Clinical Immunology, Oklahoma Medical Research Foundation, Oklahoma City, OK, ³Division of Immunology and Rheumatology, Stanford University School of Medicine, Stanford, CA, ⁴Medicine, Stanford University School of Medicine, Stanford, CA, ⁵Arthritis and Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁶Arthritis & Clinical Immunology Program, Oklahoma Medical Research Foundation, Oklahoma City, OK
Background/Purpose: The antimalarial drug hydroxychloroquine (HCQ) has been used for decades to treat various rheumatic diseases including systemic lupus erythematosus (SLE). The efficacy of HCQ…
Abstract Number: 286 • 2016 ACR/ARHP Annual Meeting
Clinical Significance and Prognostic Value of Neutrophil to Lymphocyte Ratio in Patients with Dermatomyositis
Jaehyung Hur¹, Dong Jin Go², Sang Wan Chung³, You Jung Ha³, Eun Ha Kang¹, Jin Kyun Park⁴, Eun Young Lee², Eun Bong Lee², Yeong Wook Song⁴ and Yun Jong Lee⁵, ¹Division of Rheumatology, Department of Internal Medicine, Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea, The Republic of, ²Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea, The Republic of, ³Division of Rheumatology, Department of Internal Medicine, Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea, ⁴Division of Rheumatology, Department of Internal Medicine, Seoul National University Hospital, Seoul, South Korea, ⁵Division of Rheumatology, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea
Background/Purpose: Recent studies have suggested that neutrophil to lymphocyte ratio (NLR) could be an emerging predictive marker of disease activity or mortality in patients with…
Abstract Number: 1036 • 2016 ACR/ARHP Annual Meeting
Dominant B-Cell Receptor Clones in Peripheral Blood Predict Onset of Arthritis in Individuals at Risk for Rheumatoid Arthritis
Paul-Peter Tak^1,2,3, Marieke E. Doorenspleet⁴, Maria de Hair⁵, Paul L. Klarenbeek⁶, Marian van Beers-Tas⁷, Antoine H.C. van Kampen⁸, Dirkjan van Schaardenburg^9,10, Danielle M. Gerlag^11,12, Frank Baas¹³ and Niek de Vries¹⁴, ¹Clinical Immunology & Rheumatology F4.105, Amsterdam Rheumatology and Immunology Center, Department of Clinical Immunology & Rheumatology, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands, ²Currently: GlaxoSmithKline, Stevenage, UK, Stevenage, United Kingdom, ³currently: Ghent University, Ghent, Belgium & Cambridge University, Cambridge, United Kingdom, ⁴Dept. of Clinical Immunology & Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, Netherlands, ⁵Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ⁶Dept. of Clinical Immunology & Rheumatology, Amsterdam Rheumatology and immunology Center | Academic Medical Center/University of Amsterdam, Amsterdam, Netherlands, ⁷Rheumatology, Amsterdam Rheumatology & Immunology Center, Reade, Amsterdam, Netherlands, ⁸Dept Clin Epidemiology, Biostatistics & Bioinformatics, Academic Medical Center/Univ. of Amsterdam, Amsterdam, Netherlands, ⁹Clinical Immunology & Rheumatology F4.105, Amsterdam Rheumatology and immunology Center | Academic Medical Center, Amsterdam, Netherlands, Amsterdam, Netherlands, ¹⁰Rheumatology, Amsterdam Rheumatology and immunology Center, location Reade, Amsterdam, Netherlands, Amsterdam, Netherlands, ¹¹Clinical Immunology & Rheumatology, ARC | Division of Clinical Immunology and Rheumatology, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands, ¹²Current address: GSK,Clinical Unit Cambridge,R&D Projects Clinical Platforms & Sciences, Cambridge, United Kingdom, ¹³Department of Genome Analysis, Academic Medical Center/Univ. of Amsterdam, Amsterdam, Netherlands, ¹⁴Clinical Immunology and Rheumatology, Academic Medical Center/University of Amsterdam, Amsterdam, Netherlands
Background/Purpose: The onset of seropositive rheumatoid arthritis (RA) is preceded by the presence of specific autoantibodies in the absence of synovial inflammation. Only a subset…