Abstracts tagged "osteoclastogenesis and rheumatoid arthritis"

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: 1320 • 2017 ACR/ARHP Annual Meeting
TAS5315, a Novel Bruton’s Tyrosine Kinase Inhibitor, Ameliorates Inflammation and Bone Erosion in Murine Model for Rheumatoid Arthritis
Yohei Yoshiga¹, Fumihito Hosoi¹, Satoru Iguchi¹, Ryuusuke Kaneko², Yoshinori Nakachi¹, Daichi Akasaka², Kenji Tanaka², Kazuhiko Yonekura², Teruhiro Utsugi², Eiji Sasaki² and Yoshikazu Iwasawa², ¹TAIHO PHARMACEUTICAL CO., LTD., TSUKUBA, Japan, ²TAIHO PHARMACEUTICAL CO., LTD., Tsukuba, Japan
Background/Purpose: The erosions of bone and cartilage are a cardinal feature of rheumatoid arthritis (RA) and associated with disease severity and poor functional outcome. Although…
Abstract Number: 1510 • 2014 ACR/ARHP Annual Meeting
Blockade of TLR5 Ligation Is a Novel Strategy for RA Therapy
Seung-jae Kim¹, Zhenlong Chen¹, Abdul Essani², Michael Volin³, Suncica Volkov¹, William Swedler⁴, Shiva Arami², Nadera J. Sweiss⁵ and Shiva Shahrara¹, ¹Medicine/Rheumatology, University of Illinois at Chicago, Chicago, IL, ²University of Illinois at Chicago, Chicago, IL, ³Microbiology & Immunology, Midwestern University, Downers Grove, IL, ⁴Section of Rheumatology, University of Illinois at Chicago, Chicago, IL, ⁵internal medicine section of rheumatology, University of Illinois at Chicago, Chicago, IL
Background/Purpose: TLR5 expression is highly elevated in RA and CIA lining and sublining macrophages and endothelial cells compared to non-arthritic controls. Additionally, expression of TLR5…
Abstract Number: 39 • 2014 ACR/ARHP Annual Meeting
Human CD14⁺ Monocytes Stimulated with a Combination of TNFα and IL-6 Differentiate into Osteoclast-like Cells with Bone-Resorption Activity
Kazuhiro Yokota¹, Kojiro Sato², Yoshimi Aizaki², Yuji Akiyama² and Toshihide Mimura², ¹Department of Rheumatology & Applied Immunology, Faculty of Medicine, Saitama Medical University, Saitama, Japan, ²Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama Medical University, Saitama, Japan
Background/Purpose Proinflammatory cytokines play an important role in bone destruction in rheumatoid arthritis (RA), as inferred by the efficacy of biologics. Previously, we reported that…
Abstract Number: 32 • 2012 ACR/ARHP Annual Meeting
Development of a Quantitative Model of Endotoxin-Induced Calvarial Bone Erosion Utilizing Micro-Computed Tomography and Pax-It Imaging Analysis Software
Diane Thome, Donald Souza, Aruna Behera, Jie Zheng, Jennifer Swantek and Gerald H. Nabozny, Immunology and Inflammation, Boehringer Ingelheim Pharmaceuticals Inc., Ridgefield, CT
Background/Purpose: To facilitate an understanding of the biological factors involved in inflammation- mediated bone loss, in vitro systems and murine models of bone loss, such…
Abstract Number: 332 • 2012 ACR/ARHP Annual Meeting
Blockade of CTGF Restores Aberrant Ostoclastgenesis in Collagen Induced Arthritis (CIA) Mice Through Inhibition of Th-17 Differentiation
Kazuhisa Nozawa¹, Maki Fujishiro², Ayako Yamaguchi¹, Mikiko Kawasaki², Shouzou Ichinose², Mitsuaki Yanagida², Kazuhisa Iwabuchi², Keigo Ikeda³, Shinji Morimoto⁴, Megumi Morioka⁵, Yoshinari Takasaki⁶ and Iwao Sekigawa³, ¹Rheumatology, Juntendo University School of Medicine, Tokyo, Japan, ²Institute for Environment and Gender Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan, ³Internal Medicine 2, Juntendo University Urayasu Hospital, Tomioka, Urayasu, Chiba, Japan, ⁴Juntendo University Urayasu Hospital, Tokyo, Japan, ⁵Nihon Nosan Corporation, Nihon Nosan Corporation, Kanagawa, Japan, ⁶Internal Medicine and Rheumatology,, Juntendo University School of Medicine, Tokyo, Japan
Background/Purpose: Our previous study demonstrated changes in the profiles of serum protein biomarkers in infliximab-treated rheumatoid arthritis (RA) patients using a novel approach to proteomic…