Abstracts tagged "Adhesion molecules"

Abstract Number: 851 • 2018 ACR/ARHP Annual Meeting
Integrin Mac-1 Potentiates Neutrophil Adhesion and NET Release in Antiphospholipid Syndrome
Gautam Sule¹, William J. Kelley¹, Srilakshmi Yalavarthi¹, Alison Banka¹, Andrew Vreede², Omolola Eniola-Adefeso¹ and Jason S. Knight³, ¹University of Michigan, Ann Arbor, MI, ²Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, ³., University of Michigan, Ann Arbor, MI
Background/Purpose: While the role of antiphospholipid antibodies in activating endothelial cells has been extensively studied, the impact of these antibodies on the adhesive potential of…
Abstract Number: 986 • 2018 ACR/ARHP Annual Meeting
Fucosylated Tumor Necrosis Factor α Is Expressed in Rheumatoid Arthritis Synovial Tissues and Is Involved in Monocyte Adhesion
Takeo Isozaki, Shinichiro Nishimi and Tsuyoshi Kasama, Div of Rheumatology, Showa University School of Med, Shinagawa-ku Tokyo, Japan
Background/Purpose: Glycosylation has been reported to associate with tumor invasion and metastasis. Fucosylation is involved in the biological functions of adhesion molecules and growth factor…
Abstract Number: 2127 • 2018 ACR/ARHP Annual Meeting
A Role of Vascular Cell Adhesion Molecule 1 and Activated Leukocyte Cell Adhesion Molecule in Lupus Nephritis
Ioannis Parodis^1,2, Sirisha Gokaraju³, Agneta Zickert^1,2, Ting Zhang³, Deena Habazi³, Anders Larsson⁴, Elisabet Svenungsson^1,2, Chandra Mohan³ and Iva Gunnarsson^1,2, ¹Division of Rheumatology, Department of Medicine, Karolinska Institutet, Stockholm, Sweden, Stockholm, Sweden, ²Rheumatology, Karolinska University Hospital, Stockholm, Sweden, Stockholm, Sweden, ³Department of Biomedical Engineering, University of Houston, Houston, Texas, USA, Houston, TX, ⁴Department of Medical Sciences/Clinical Chemistry, Uppsala University, Uppsala, Sweden, Uppsala, Sweden
Background/Purpose: Reliable non-invasive biomarkers for lupus nephritis (LN) are lacking. We investigated two adhesion molecules as urinary biomarkers in LN, i.e. vascular cell adhesion molecule…
Abstract Number: 8 • 2017 ACR/ARHP Annual Meeting
Antiphospholipid Syndrome Leukocytes Demonstrate Increased Adhesive Potential: a Search for Novel Therapeutic Targets
Gautam Sule¹, William J. Kelley¹, Srilakshmi Yalavarthi¹, Alison Banka¹, Omolola Eniola-Adefeso¹ and Jason S. Knight², ¹University of Michigan, Ann Arbor, MI, ²., University of Michigan, Ann Arbor, MI
Background/Purpose: Adhesion of leukocytes to the endothelium is an initiating event in the thrombosis inherent to antiphospholipid syndrome (APS). Over the years, a number of…
Abstract Number: 960 • 2017 ACR/ARHP Annual Meeting
ADAM-17 Is Expressed on Rheumatoid Arthritis Synovial Fibroblasts and Mediates Monocyte Migration and Adhesion
Sho Ishii, Takeo Isozaki, Airi Nishimi, Shinichiro Nishimi, Takahiro Tokunaga, Hidekazu Furuya, Kuninobu Wakabayashi and Tsuyoshi Kasama, Div of Rheumatology, Showa University School of Med, Shinagawa-ku Tokyo, Japan
Background/Purpose: A disintegrin and metalloproteinase 17 (ADAM-17), also known as tumor necrosis factor-α converting enzyme (TACE), have been reported to be involved in a number…
Abstract Number: 1921 • 2017 ACR/ARHP Annual Meeting
Urine Angiostatin and VCAM-1 Surpass Conventional Metrics in Predicting Elevated Renal Pathology Activity Indices in Lupus Nephritis
Samar Soliman^1,2, Fatma Mohamed³, Faten Ismail³, Ramesh Saxena⁴ and Chandra Mohan², ¹Rheumatology and rehabilitation, University of Minya, Minya, Egypt, ²Biomedical Engineering, University of Houston, Houston, TX, ³Rheumatology and Rehabilitation, University of Minya, Minya, Egypt, ⁴Internal Medicine/Division of Nephrology, University of Texas Southwestern Medical Center, Dallas, TX
Background/Purpose: The goal of this study is to investigate how urinary angiostatin, VCAM-1 and established measures of renal function relate to specific histologic findings in…
Abstract Number: 2642 • 2017 ACR/ARHP Annual Meeting
Lupus Serum Induces Glomerular Endothelial Cell Neutrophil Adhesion in Association with Soluble Mediators of Chemotaxis and Adhesion
Dayvia Russell¹, Margaret Markiewicz² and Jim C. Oates^3,4, ¹Research Service, Ralph H. Johnson VA Medical Center, Charleston, SC, ²Division of Rheumatology and Immunology, Department of Medicine, Medical University of South Carolina, Charleston, SC, ³Division of Rheumatology & Immunology, Department of Medicine, Medical University of South Carolina, Charleston, SC, ⁴Medical Service, Ralph H. Johnson VA Medical Center, Charleston, SC
Background/Purpose: Systemic lupus erythematosus (SLE) is associated with endothelial dysfunction, which can accelerated inflammation. Ingress of neutrophils into tissue requires chemotaxis and adhesion to endothelial…
Abstract Number: 2127 • 2016 ACR/ARHP Annual Meeting
Dicam Promotes Proliferation and Hypertrophic Differentiation of Chondrocyte through Indian Hedgehog Signaling of Primary Cilia
Seungwoo Han^1,2, Hye-Ri Park², Min-Su Han², Eun-Ju Lee², Ji-Ae Jang², Ji-Min Kim³, Gun-Woo Kim^2,4 and Younkwan Jung², ¹Internal Medicine, Daegu Fatima hospital, Daegu, Korea, The Republic of, ²Fatima Research Institute, Daegu, Korea, The Republic of, ³Division of Rheumatology, Department of Internal Medicine, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea, The Republic of, ⁴Rheumatology, Daegu Fatima hospital, Daegu, Korea, The Republic of
Background/Purpose: Chondrocytes in growth plate is known to respond to hydrostatic loading by increasing Indian hedgehog (Ihh) signaling, and that the primary cilium is required…
Abstract Number: 2148 • 2016 ACR/ARHP Annual Meeting
Recruitment of Circulating Monocytes By TNF/IL-6-Induced Expression of Vascular Cell Adhesion Molecule 1 (VCAM-1) Drives Valvular Inflammation in K/B/g7 Mice
Lee Meier¹, Jennifer L. Auger², Brianna J. Engelson³, Elise Breed⁴, Joshua Boyer⁵ and Bryce A. Binstadt², ¹Peadiatrics, University of Minnesota, Minneapols, MN, ²Center for Immunology and Department of Pediatrics, University of Minnesota, Minneapolis, MN, ³Pediatrics, University of Minnesota, Minneapolis, MN, ⁴Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, ⁵Medicine, University of Minnesota, Minneapolis, MN
Background/Purpose: Cardiovascular (CV) comorbidity is common in rheumatic diseases and includes accelerated atherosclerosis and inflammatory valvular heart disease (iVHD). KRN T cell receptor (TCR) transgenic…
Abstract Number: 2149 • 2016 ACR/ARHP Annual Meeting
Adipokines Alter the Interaction Between Rheumatoid Arthritis Synovial Fibroblasts Adhesion and Endothelial Cells
Rebecca Hasseli¹, Klaus W. Frommer², Markus Prof. Dr. Schönburg³, Stefan Prof. Dr. Rehart⁴, Ulf Müller-Ladner^5,6 and Elena Neumann², ¹Justus-Liebig-University of Giessen, Kerckhoff-Klinik, Bad Nauheim, Germany, ²Justus-Liebig-University Giessen, Department of Internal Medicine and Rheumatology, Kerckhoff-Klinik, Bad Nauheim, Germany, Bad Nauheim, Germany, ³Department of Cardiac Surgery; Kerckhoff-Klinik, Bad Nauheim, Bad Nauheim, Germany, ⁴Department of Orthopedics and Trauma Surgery, Markus Hospital, Frankfurt, Frankfurt, Germany, ⁵Department of Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik, Bad Nauheim, Germany, ⁶Justus-Liebig-University Giessen, Department of Internal Medicine and Rheumatology, Kerckhoff-Klinik, Bad Nauheim, Germany, Bad-Nauheim, Germany
Background/Purpose: Synovial fibroblast plays a key role in rheumatoid arthritis (RA), which is a chronic polyarticular inflammatory disease. SF are able to migrate long distances…
Abstract Number: 1112 • 2016 ACR/ARHP Annual Meeting
Hypoxia Modulates Neutrophil Integrin Expression, Adhesion and Trans-Endothelial Migration
Akif A. Khawaja^1,2, Charis Pericleous^3,4, Vera M. Ripoll¹, Joanna C. Porter⁵ and Ian Giles³, ¹Centre for Rheumatology, Division of Medicine, Centre for Rheumatology, University College London, London, United Kingdom, ²Centre for Inflammation and Tissue Repair, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom, ³Centre for Rheumatology, University College London, Centre for Rheumatology, University College London, London, United Kingdom, ⁴Imperial College Vascular Sciences, National Heart and Lung Institute, Imperial College Vascular Sciences, National Heart and Lung Institute, London, United Kingdom, ⁵Centre for Inflammation and Tissue Repair, Division of Medicine, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom
Background/Purpose: Dysregulation of neutrophil activation is important in the pathogenesis of various inflammatory and autoimmune rheumatic diseases (ARDs), including RA, SLE and APS. Neutrophils are…
Abstract Number: 2993 • 2015 ACR/ARHP Annual Meeting
Serum CXCL4 Increase in Patients with Undifferentiated Connective Tissue Disease at Risk for Systemic Sclerosis Is Associated with Anti-Scl70 Antibodies and ICAM-1, a Marker of Endothelial Activation
Serena Vettori¹, Rosaria Irace², Veronica Giacco², Antonella Riccardi², Lucia Vicedomini², Luciana Pellecchia² and Gabriele Valentini², ¹Department of Internal and Experimental Medicine, Rheumatology Unit, Second University of Naples, Naples, Italy, ²Internal and Experimental Medicine, Rheumatology Unit, Second University of Naples, Naples, Italy
Background/Purpose: CXCL4 is a pleiotropic antiangiogenic and immunomodulatory chemokine, that has been shown to be increased in the sera of patients with systemic sclerosis (SSc)…
Abstract Number: 1964 • 2015 ACR/ARHP Annual Meeting
Biomarkers in Temporal Artery Biopsies and Sera of Patients with Giant Cell Arteritis
Katja Lakota¹, Tadeja Kuret², Polona Žigon¹, Ziga Rotar¹, Matija Tomsic¹, Saša Čučnik^1,2, Snezna Sodin Semrl^1,3 and Alojzija Hocevar¹, ¹Department of Rheumatology, University Medical Centre Ljubljana, Ljubljana, Slovenia, ²Faculty of Pharmacy, University of Ljubljana, Ljubljana, Slovenia, ³Faculty of Mathematics, Natural Science and Information Technology, University of Primorska, Koper, Slovenia
Background/Purpose: Giant cell arteritis (GCA) is a large- and medium- vessel arteritis characterized by a range of histological patterns of vascular wall injury. The temporal…
Abstract Number: 1530 • 2015 ACR/ARHP Annual Meeting
Neutrophil Function and Survival Unaffected in Healthy Subjects Following Single Administration of Tocilizumab
Laurence Lok¹, Jatinder Juss¹, Neda Farahi¹, Chrystalla Loutsios¹, Chandra Solanki², Adrien Michael Peters³, Sophie Dimonaco⁴, Francis Donaldson⁴, Benjamin Porter-Brown⁴ and Edwin Chilvers¹, ¹Department of Medicine, University of Cambridge School of Clinical Medicine, Cambridge, United Kingdom, ²Department of Nuclear Medicine, Cambridge University Hospitals, Cambridge, United Kingdom, ³Division of Clinical and Laboratory Investigation, Brighton and Sussex Medical School, Brighton, United Kingdom, ⁴Roche Products Ltd., Welwyn Garden City, United Kingdom
Background/Purpose: Decreases in circulating neutrophil counts have been observed in adults with rheumatoid arthritis (RA) and children with systemic or polyarticular juvenile idiopathic arthritis treated…
Abstract Number: 209 • 2015 ACR/ARHP Annual Meeting
Different Autoimmune Rheumatic Diease IgG Have Differential Effects upon Neutrophil Binding, Activation and Neutrophil Extracellular Trap Formation
Akif A. Khawaja^1,2, Charis Pericleous³, Vera M. Ripoll², Joanna C. Porter⁴ and Ian Giles⁵, ¹Centre for Inflammation and Tissue Repair, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom, ²Centre for Rheumatology, Division of Medicine, Centre for Rheumatology, University College London, London, United Kingdom, ³Rayne Institute, Centre for Rheumatology Research, UCL Division of Medicine, London, United Kingdom, ⁴Centre for Inflammation and Tissue Repair, Division of Medicine, Centre for Inflammation and Tissue Repair, University College London, London, United Kingdom, ⁵Rayne Intitiute, Centre for Rheumatology Research, UCL Division of Medicine, London, United Kingdom
Background/Purpose: Dysregulation of neutrophil activation and function is important in the pathogenesis of various inflammatory and autoimmune rheumatic diseases (ARDs). Neutrophil dysfunction is well recognised…