Abstracts tagged "bone biology"

Abstract Number: 0171 • ACR Convergence 2021
Bone Erosions and Osteophytes in Premenopausal Women with Long-standing Rheumatoid Arthritis: Association with Systemic Bone Involvement Using HR-pQCT
Mariana Perez¹, Camille Figueiredo¹, Lucas Sales¹, ANA MEDEIROS-RIBEIRO¹, Liliam Takayama¹, Diogo Domiciano¹, Karina Bonfiglioli¹, Valeria Caparbo¹ and Rosa Pereira², ¹Rheumatology Division, University of São Paulo, São Paulo, SP, Brazil, ²Rheumatology Division, University of São Paulo, São Paulo, Brazil
Background/Purpose: Two patterns of bone involvement are described in rheumatoid arthritis (RA), systemic and localized. Systemic bone involvement is characterized by loss of generalized bone…
Abstract Number: 0447 • ACR Convergence 2021
Bone Anabolic Effects of a Novel Orally-Available Small Molecule SIK2/SIK3 Inhibitor
Cheng-Chia Tang¹, Shiv Verma¹, Steve De Vos², David Amantini³, Philippe Clement-Lacroix³, Nicolas Desroy³, Antonio Speziale⁴, Daniel Brooks⁵, Mary Bouxsein⁵, Janaina da Silva Martins¹, Yingshe Zhao⁶, Henry Kronenberg¹ and Marc Wein¹, ¹MGH Endocrine Unit, Boston, MA, ²Galapagos NV, Mechelen, Belgium, ³Galapagos SASU, Romainville, France, ⁴Galapagos GmbH, Basel, Switzerland, ⁵Beth Israel Deaconess Medical Center, Boston, MA, ⁶MGH Endocrine Unnit, Boston, MA
Background/Purpose: Orally-available bone anabolic agents represent a major unmet medical need for patients with osteoporosis. Widespread use of parathyroid hormone (PTH)-based osteo-anabolic therapies is limited…
Abstract Number: 0670 • ACR Convergence 2021
Hemochromatosis Is Associated with CPPD Through Iron’s Effect on Bone
Jennifer Velasco, Claudia Gohr, Elizabeth MItton-Fitzgerald and Ann Rosenthal, Medical College of Wisconsin, Milwaukee, WI
Background/Purpose: Hemochromatosis (HH) is one of the strongest known risk factors for calcium pyrophosphate (CPP) crystal deposition. The pathogenic mechanisms causing CPP crystal formation in…
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: 1555 • ACR Convergence 2020
18F-NaF PET/CT Identifies Active Calcium Uptake in Calcinosis Due to Dermatomyositis and Scleroderma
Carrie Richardson¹, Mehrbod Javadi², Ami Shah³, Lilja Solnes², Fredrick Wigley⁴, Laura Hummers⁵ and Lisa Christopher-Stine⁶, ¹Rush University Medical Center, Chicago, IL, ²Johns Hopkins University, Baltimore, ³Johns Hopkins University School of Medicine, Ellicott City, MD, ⁴Johns Hopkins University School of Medicine, Baltimore, MD, ⁵Johns Hopkins Univerisity, Ellicott City, MD, ⁶Johns Hopkins University, Baltimore, MD
Background/Purpose: Ectopic soft tissue deposition of hydroxyapatite (calcinosis) is a frequent and morbid complication of dermatomyositis and scleroderma with no known effective pharmacologic treatment. 18F-NaF…
Abstract Number: 1970 • ACR Convergence 2020
Mimicking Cytokine-driven Key Features of Arthritis Using a Human in Vitro 3D Joint Model
Alexandra Damerau¹, Moritz Pfeiffenberger¹, Annemarie Lang¹, Timo Gaber¹ and Frank Buttgereit², ¹Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Rheumatology and Clinical Immunology, Berlin, Germany, ²Charité University Medicine, Berlin, Germany
Background/Purpose: Our ultimate goal is to study potential drug candidates in an experimental setting of arthritis. Therefore, we aim to develop a human in vitro…
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: 0107 • ACR Convergence 2020
Effects of Abaloparatide on Modeling and Remodeling Based Bone Formation
David W Dempster¹, Hua Zhou¹, Sudhaker D Rao², Chris Recknor³, Paul D Miller⁴, Benjamin Z Leder⁵, Miriam Annett⁶, Michael S Ominsky⁶ and Bruce H Mitlak⁶, ¹Regional Bone Center, Helen Hayes Hospital, West Haverstraw, NY, West Haverstraw, NY, ²Bone & Mineral Research Laboratory, Henry Ford Health System, Detroit, MI, Detroit, MI, ³United Osteoporosis Centers, Gainesville, GA, Gainesville, GA, ⁴Colorado Center for Bone Research, Lakewood, CO, Lakewood, CO, ⁵Mass General Hospital, Harvard Medical School, Boston, MA, Boston, MA, ⁶Radius Health, Inc., Waltham, MA, Waltham, MA
Background/Purpose: To evaluate abaloparatide-induced changes in the bone formation indices of mineralizing surface (MS), bone formation rate (BFR) and mineral apposition rate (MAR); and to…
Abstract Number: 0110 • ACR Convergence 2020
Does Urate Directly Influence Bone Turnover? Randomized Controlled Trial of Inosine Supplementation
Nicola Dalbeth¹, Anne Horne², Borislav Mihov¹, Tony Merriman³, Gregory Gamble¹, Lisa Stamp⁴ and Ian Reid¹, ¹University of Auckland, Auckland, New Zealand, ²The University of Auckland, Auckland, New Zealand, ³University of Otago, Dunedin, New Zealand, ⁴University of Otago Christchurch, Christchurch, New Zealand
Background/Purpose: Observational studies have reported that serum urate positively correlates with bone mineral density (BMD) and that hyperuricaemia is protective for the development of osteoporosis…
Abstract Number: 0116 • ACR Convergence 2020
The in Vitro 3D Fracture Gap Model: A Tool for Preclinical Testing
Moritz Pfeiffenberger¹, Alexandra Damerau¹, Paula Hoff², Annemarie Lang¹, Frank Buttgereit³ and Timo Gaber¹, ¹Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Department of Rheumatology and Clinical Immunology, Berlin, Germany, ²Endokrinologikum Berlin, Rheumatologie, Berlin, Germany, ³Charité University Medicine, Berlin, Germany
Background/Purpose: Approximately 10% of fractures lead to significant fracture healing disorders. Of note, especially immunosuppressed patients with ongoing inflammation show difficulties in the correct course…
Abstract Number: 0343 • ACR Convergence 2020
Co-expression of DC-STAMP and CX3CR1: Biomarkers for Tissue Resident Osteoclasts in Psoriatic Arthritis
Maria de la Luz Garcia-Hernandez¹, Javier Rangel-Moreno², Ananta Paine³, Benjamin Korman³, Marc Nuzzo⁴, Lihi Eder⁵ and Christopher Ritchlin³, ¹University of Rochester, Rochester, NY, ²University of Rochester Medical Center, Rochester, NY, ³Department of Medicine, University of Rochester Medical Center, Rochester, NY, ⁴Department of Medicine, University of Rochester Medical Center, Rochester, ⁵Women’s College Research Institute, University of Toronto, Toronto, ON, Canada
Background/Purpose: Psoriatic arthritis (PsA) patients often experience joint damage mediated by osteoclasts (OC). Although PsA pathogenesis is poorly understood, the production of the cytokines IL-17,…
Abstract Number: 0964 • ACR Convergence 2020
Is Meniscal Status in the Anterior Cruciate Ligament Injured Knee Associated with Change in Bone Surface Area? An Exploratory Analysis of Data from the KANON Trial
Barbara Snoeker¹, Aleksandra Turkiewicz¹, Mike Bowes², Frank Roemer³, Stefan Lohmander¹, Richard Frobell¹ and Martin Englund¹, ¹Lund University, Lund, Sweden, ²Imorphics Ltd, Manchester, United Kingdom, ³Boston University School of Medicine, Boston, MA, and Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany, Erlangen, Germany
Background/Purpose: Bone shape changes, which may be an important feature of osteoarthritis (OA) development, have been observed to occur early in the knee after anterior…
Abstract Number: 0966 • ACR Convergence 2020
Decoupling Inflammation and Bone Loss in Rheumatoid Arthritis via Schnurri-3
Zheni Stavre¹, JungMin Kim², Jae-Hyuck Shim² and Ellen Gravallese³, ¹University of Massachusetts Medical School-Rheumatology Division, Worcester, MA, ²University of Massachusetts Medical School, Worcester, MA, ³Brigham and Women's Hospital, Boston, MA
Background/Purpose: Rheumatoid arthritis (RA) is a chronic inflammatory disease that leads to local and systemic bone loss. TNF is a key mediator of bone loss,…
Abstract Number: 1518 • ACR Convergence 2020
The Role for Neutrophils in the Early Phases of Enthesitis in Spondyloarthritis
Zheni Stavre¹, Charles Bridgewood², Qiao Zhou², Yukiko Maeda³, Jozsef Karman⁴, Dennis McGonagle⁵ and Ellen Gravallese⁶, ¹University of Massachusetts Medical School-Rheumatology Division, Worcester, MA, ²University of Leeds, Leeds, United Kingdom, ³University of Massachusetts Medical School, worcester, MA, ⁴Abbvie Inc., Worcester, MA, ⁵The University of Leeds, Leeds Institute for Rheumatic and Musculoskeletal Medicine, NIHR Leeds Biomedical Research Centre, Leeds Teaching Hospitals Trust, Leeds, UK, Leeds, United Kingdom, ⁶Brigham and Women's Hospital, Boston, MA
Background/Purpose: Neutrophils are present in the early phases of spondyloarthritis (SpA)-associated uveitis, skin and intestinal disease, but their role in enthesitis remains unknown. We investigated…