Abstracts tagged "osteoclastogenesis"

Abstract Number: 1661 • ACR Convergence 2022
Osteoclastogenesis and Vascular Endothelial Growth Factor Blood Levels in Patients with Systemic Sclerosis with and Without Calcinosis Cutis
Antonia Valenzuela¹, Guillermo Perez², Carolina Iturriaga² and Rebeca Montalva², ¹Pontificia Universidad Catolica de Chile, Santiago, Chile, ²Pontificia Universidad Catolica de Chile, Santiago de Chile, Chile
Background/Purpose: Calcinosis cutis is a debilitating complication of systemic sclerosis (SSc) with no effective treatments. Although the pathogenesis of SSc-related calcinosis remains unknown, there is…
Abstract Number: 0054 • ACR Convergence 2022
MDSCs in Inflammatory Joints of SKG Mice Suppress T Cells and Differentiate into Osteoclasts
Yoshikazu Fujikawa¹, Sho Sendo², Takumi Nagamoto³, Yuzuru Yamamoto¹, Takaichi Okano⁴, Keisuke Nishimura³, Yo Ueda⁵ and Jun Saegusa⁵, ¹Hyogo Prefectural Harima-Himeji General Medical Center, Himeji, Japan, ²University California, San Diego (UCSD), La Jolla, CA, ³Kobe University, Kobe, Japan, ⁴Kobe University Hospital, Kobe, Japan, ⁵Rheumatology and Clinical Immunology, Kobe University Graduate School of Medicine, Kobe, Japan
Background/Purpose: Myeloid-derived suppressor cells (MDSCs) are heterogeneous immature myeloid cells with suppressive functions. It is known that MDSCs are expanded in inflammatory sites after migrating…
Abstract Number: 0578 • ACR Convergence 2022
Interleukin-6 Trans-Signaling Induces Synovial Fibroblast Invasiveness by Utilizing Ets2 Protein
Anil Singh, Paul Panipinto, Farheen Sultan Shaikh and Salahuddin Ahmed, Washington State university, Spokane, WA
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease with a complex interplay of synovial cells and soluble factors that create the signatures of chronic inflammation…
Abstract Number: 0588 • ACR Convergence 2022
S-nitrosoglutathione Reductase (GSNOR) Regulates Osteoclast Differentiation
Toshihiro Tanioka¹, Kohei Maeda¹, Rei Takahashi¹ and Takeo Isozaki², ¹Division of Pathogenesis and Translational Medicine, Department of Clinical Pharmacy, Showa University School of Pharmacy, Tokyo, Japan, ²Division of Rheumatology, Department of Medicine, Showa University School of Medicine, Tokyo, Japan
Background/Purpose: S-nitrosoglutathione (GSNO) reductase (GSNOR) is an enzyme which decomposes GSNO and downregulates protein S-nitrosylation. It has been reported that GSNOR KO mice have enhanced…
Abstract Number: 0030 • ACR Convergence 2021
Interleukin-9 Enhances the Osteoclastogenesis in Rheumatoid Arthritis
Santanu Kar¹, Dipendra Mitra², Vijay Kumar D¹ and Sushmita Chakraborty¹, ¹AIIMS, New Delhi, India, ²ALL INDIAN INSTITUTE OF MEDICAL SCIENCES, New Delhi, India
Background/Purpose: Rheumatoid Arthritis (RA) is a chronic inflammatory disease characterized by synovial inflammation leading to bone destruction. Bone erosion in RA results from excessive resorption…
Abstract Number: 0996 • ACR Convergence 2021
The Stimulator of Interferon Genes (STING) Protects from Bone Loss Through Regulation of Tonic and Induced Type I Interferon Pathways
Susan MacLauchlan¹, Priyanka Kushwaha¹, Albert Tai², Jia (Sijia) Chen³, Catherine Manning¹, Katherine Fitzgerald⁴, Shruti Sharma² and Ellen Gravallese⁵, ¹Brigham and Women's Hospital, Boston, MA, ²Tufts University School of Medicine, Boston, MA, ³Brigham and Women's Hospital, Cambridge, MA, ⁴University of Massachusetts Medical School, Worcester, MA, ⁵Brigham and Women's Hospital, Harvard Medical School, Chestnut Hill, MA
Background/Purpose: The intracellular DNA sensing Stimulator of Interferon Genes (STING) pathway is critical for detection of viral and bacterial pathogen DNA. Hyperactivating mutations in this…
Abstract Number: 1472 • ACR Convergence 2021
Characterization and Function of Tumor Necrosis Factor α and Interleukin-6–Induced Osteoclasts in Rheumatoid Arthritis
Kazuhiro Yokota¹, Kojiro Sato², Yoshimi Aizaki³, Shinya Tanaka⁴, Miyoko Sekikawa⁴, Noritsune Kozu⁵, Yuho Kadono⁴, Hiromi Oda⁶ and Toshihide Mimura⁷, ¹Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama Medical University, Saitama, Japan, ²Jichi Medical University, Tochigi, Japan, ³Saitama Medical University, Saitama, Japan, ⁴Department of Orthopaedic Surgery, Saitama Medical University, Saitama, Japan, ⁵Kozu Orthopaedic Clinic, Chiba, Japan, ⁶Department of Orthopaedic Surgery, National Hospital Organization Ibusuki Medical Center, Kagoshima, Japan, ⁷Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama, Japan
Background/Purpose: We have previously reported that stimulation of mouse bone marrow–derived macrophages with a combination of tumor necrosis factor α (TNFα) and interleukin-6 (IL-6) induces…
Abstract Number: 1479 • ACR Convergence 2021
CD14, a Toll-like Receptor Co-Factor, Influences Osteoclast Differentiation and Activity, but Does Not Alter Osteoblastic Potential of Bone-Marrow Precursors in Mice
Jerahme Martinez, Vu Nguyen, Cheng Zhou, George Dodge and Carla Scanzello, University of Pennsylvania, philadelphia, PA
Background/Purpose: Changes in subchondral bone structure (SCB) occur in osteoarthritis (OA), and are visible by imaging as subchondral sclerosis on radiographs, and bone marrow lesions…
Abstract Number: 0074 • ACR Convergence 2020
The Intracellular DNA Sensor STING Protects Against Bone Loss Through Regulation of Type I Interferons
Susan MacLauchlan¹, Catherine Manning², Sijia Chen³, Katherine Fitzgerald⁴, Shruti Sharma⁵ and Ellen Gravallese¹, ¹Brigham and Women's Hospital, Boston, MA, ²Brigham and Women’s Hospital, Boston, ³Brigham and Women's Hospital, Boston, ⁴University of Massachusetts medical school, Worcester, MA, ⁵Tufts University, Boston, MA
Background/Purpose: The intracellular DNA sensor Stimulator of Interferon Genes (STING) is essential for detection of viral and bacterial pathogen DNA. As with other pathways in…
Abstract Number: 1407 • ACR Convergence 2020
Resolvin D5 Modulates Th17/Treg Cell Differentiation and Suppresses Osteoclastogenesis
Hirotaka Yamada¹, Jun Saegusa², Sho Sendo³, Yo Ueda⁴, Takaichi Okano¹, Yoshikazu Fujikawa⁵, Yuzuru Yamamoto⁶, Takumi Nagamoto¹, Yoshihide Ichise¹, Ikuko Naka¹, Kengo Akashi⁷, Akira Onishi⁷, Masakazu Shinohara¹ and Akio Morinobu⁷, ¹Kobe University, Kobe, Japan, ²Department of Clinical Laboratory, Kobe University Hospital, Kobe, Japan, ³Kobe University, Kobe, ⁴Kobe UniversityRheumatology and Clinical Immunology, Kobe University Hospital, Kobe, Japan, ⁵Kobe University, Kobe city, Japan, ⁶Kobe University, Kobe-city, Japan, ⁷Rheumatology and Clinical Immunology, Kobe University Hospital, Kobe, Japan
Background/Purpose: Over the last two decades, it has become increasingly clear that resolution of acute inflammation is not a passive process, but requires active modulation.…
Abstract Number: 1 • 2019 ACR/ARP Annual Meeting
Interleukin-6 Promotes Osteoclast-like Phenotype in Human Rheumatoid Arthritis Synovial Fibroblasts
Anil Singh¹, Mahamudul Haque ¹, Bhanupriya Madarampalli ² and Salahuddin Ahmed ³, ¹Department of Pharmaceutical Sciences, Washington State University, College of Pharmacy, Spokane, WA, Spokane, WA, ²University of Washington, Seattle, WA, ³Department of Pharmaceutical Sciences, Washington State University, College of Pharmacy, Spokane, WA. Division of Rheumatology, University of Washington School of Medicine, Seattle, WA, Spokane, WA
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disorder characterized by chronic inflammation and joint destruction caused by pro-inflammatory cytokines. Progressive joint damage is also an…
Abstract Number: 25 • 2019 ACR/ARP Annual Meeting
Altered Distribution and Enhanced Osteoclastogenesis of Mucosal-associated Invariant T Cells in Gouty Arthritis
Yong-Wook Park¹, Young-Nan Cho ¹, Hae-Seong Jeong ¹, Hye-Mi Jin ¹ and Seung-Jung Kee ¹, ¹Department of Rheumatology, Chonnam National University Medical School and Hospital, Gwangju, Republic of Korea
Background/Purpose: Mucosal-associated invariant T (MAIT) cells are subsets of innate invariant T cells and rapidly produce Th1/Th17 cytokines including interferon (IFN)-γ, tumor necrosis factor (TNF)-α,…
Abstract Number: 1948 • 2019 ACR/ARP Annual Meeting
The Mechanism of DC-STAMP-Mediated Signaling in Cell-Cell Fusion and Osteoclast Maturation
Ananta Paine¹, Kerstin Tiedemann ², Maria de la luz Garcia-Hernandez ¹, Svetlana Komarova ² and Christopher Ritchlin ¹, ¹Division of Allergy, Immunology and Rheumatology, Center for Musculoskeletal Research, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA, Rochester, NY, ²Faculty of Dentistry, McGill University, Montreal, Quebec, Canada; Shriners Hospital for Children-Canada, Montreal, Quebec, Canada, Montréal, QC, Canada
Background/Purpose: Osteoclasts (OC) are bone-resorbing, multinuclear cells that originate from myeloid progenitor cells through repetitive cycles of cell-cell fusion. Dendritic cell-specific transmembrane protein (DC-STAMP) is…
Abstract Number: 1981 • 2019 ACR/ARP Annual Meeting
Functional Differences Between Osteoclasts and Osteoclast-like Cells Differentiated from Peripheral Blood Mononuclear Cells in Patients with Rheumatoid Arthritis
Kazuhiro Yokota¹, Yoshimi Aizaki ¹, Shinya Tanaka ², Kojiro Sato ³, Yasuto Araki ¹, Noritsune Kouzu ⁴, Yuho Kadono ², Hiromi Oda ⁵ and Toshihide Mimura ¹, ¹Department of Rheumatology and Applied Immunology, Faculty of Medicine, Saitama Medical University, Saitama, Japan, ²Department of Orthopaedic Surgery, Saitama Medical University, Saitama, Japan, ³Division of Rheumatology and Clinical Immunology, Department of Medicine, Jichi Medical University, Tochigi, Japan, ⁴Medical Kouzu orthopedic and Yachiyo radiation center, Chiba, Japan, ⁵Department of Orthopedic Surgery, Faculty of Medicine, Saitama Medical University, Saitama, Japan
Background/Purpose: Osteoclasts (OCs) are giant multinucleated cells formed from precursors of the monocyte/macrophage lineage and are believe to play a major role in the bone…
Abstract Number: 2020 • 2019 ACR/ARP Annual Meeting
Metabolic Changes Induced by Anti-Malondialdehyde Antibodies Promote Osteoclast Development
Koji Sakurabas¹, Akilan Krishnamurthy ², Cheng Xu ³, Khaled Amara ⁴, Vivianne Malmström ⁴, Sergiu-Bogdan Catrina ³, Caroline Grönwall ⁴, Bence Rethi ⁵ and Anca Catrina ⁶, ¹Rheumatology unit, Department of Medicine, Karolinska University Hospital and Karolinska Institutet, Solna, stockholm, Sweden, ²Rheumatology unit, Department of Medicine, Karolinska University Hospital and Karolinska Institutet, Solna, Stockholm, ³Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden, ⁴Rheumatology Unit, Department of Medicine, Karolinska University Hospital and Institutet, Stockholm, Sweden., Stockholm, Sweden, ⁵Rheumatology unit Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden, Stockholm, ⁶Rheumatology unit Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden, Stockholm, Sweden
Background/Purpose: Malondialdehyde (MDA) is highly reactive compound produced by lipid-peroxidation in situations associated with oxidative stress. MDA can irreversibly modify proteins (e.g. lysine, arginine and histidine…