Abstracts tagged "hypoxia"

Abstract Number: 0066 • ACR Convergence 2020
AMP Deaminase 2 Is Expressed on the Surface of Human Immune Cells as a Novel Regulator of Extracellular Adenosine Metabolism
Lisa Ehlers¹, Aditi Kuppe¹, Marieluise Kirchner², Alexandra Damerau¹, Cindy Strehl¹, 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, ²Max Delbrück Center for Molecular Medicine, BIH Core Facility Proteomics, Berlin, Germany, ³Charité University Medicine, Berlin, Germany
Background/Purpose: Adenosine and its nucleotides represent crucial immunomodulators in the extracellular environment. ATP and ADP are released from stressed cells in states of inflammation, whereas…
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: 0991 • ACR Convergence 2020
Pathogenic, Glycolytic PD-1+ B Cells Accumulate in the Hypoxic RA Joint
Achilleas Floudas¹, Nuno Neto², Viviana Marzaioli³, Kieran Murray⁴, Barry Moran⁵, Michael Monaghan⁶, Candice Low⁷, Ronan Mullan⁸, Navin Rao⁹, Vinod Krishna⁹, Sunil Nagpal¹⁰, Douglas Veale¹¹ and Ursula Fearon³, ¹Molecular Rheumatology Trinity Biomedical Sciences Institute, Dublin, Dublin, Ireland, ²Department of Mechanical and Manufacturing Engineering, Dublin, Dublin, Ireland, ³Molecular Rheumatology, Trinity College Dublin, Dublin, Dublin, Ireland, ⁴Saint Vincent's University Hospital, Dublin 4, Dublin, Ireland, ⁵Trinity Biomedical Sciences Institute, Dublin, Ireland, ⁶Department of Mechanical and Manufacturing Engineering, Dublin, Ireland, ⁷EULAR Centre for Arthritis and Rheumatic diseases, St Vincents University Hospital, UCD, Dublin, Ireland, ⁸Adelaide and Meath Hospital, Dublin, Dublin, Ireland, ⁹Janssen R&D, Spring House, PA, ¹⁰Janssen Research & Development, Collegeville, PA, ¹¹EULAR Centre for Arthritis and Rheumatic Diseases, St Vincents University Hospital, UCD, Dublin, Dublin, Ireland
Background/Purpose: Rheumatoid arthritis (RA) often has a progressive and debilitating course, with significant impact on the patient’s quality of life. Despite the long-known association with…
Abstract Number: 1801 • ACR Convergence 2020
An Engineered Extracellular Matrix‐rich Decellularized Substrate Based Podocytes Culture System to Study Intracellular Complement Production and Activation
Abhigyan Satyam¹, Maria Tsokos² and George Tsokos², ¹Division of Rheumatology & Clinical Immunology/Beth Israel Deaconess Medical Center/Harvard Medical School, boston, ²Division of Rheumatology & Clinical Immunology/Beth Israel Deaconess Medical Center/Harvard Medical School, Boston, MA
Background/Purpose: Current technologies do not support long-term cell viability, differentiation and maintenance of podocytes. We developed a biophysical approach, termed macromolecular crowding (MMC), to create…
Abstract Number: 2862 • 2019 ACR/ARP Annual Meeting
Hypoxia Resistant Pathogenic B Cells Accumulate in the RA Synovial Tissue in a CXCR3 Dependent Manner
Achilleas Floudas¹, Candice Low ², Monika Biniecka ³, Kieran Murray ², Ronan Mullan ⁴, Douglas Veale ⁵ and Ursula Fearon ⁶, ¹Trinity Biomedical Sciences Institu, DUBLIN, Ireland, ²Saint Vincent's University Hospital, Dublin, Ireland, ³Molecular Rheumatology, Trinity Biomedical Sciences Institute, DUBLIN, Ireland, ⁴Dept of Rheumatology, Tallaght University Hospital, TCD, Dublin, Ireland, ⁵EULAR Centre For Arthritis And Rheumatic Diseases and The Conway Institute, Dublin, Ireland, ⁶Molecular Rheumatology, Trinity Biomedical Sciences Institute, TCD, Dublin, Ireland
Background/Purpose: Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease of unknown and complex aetiology with severe detrimental effects for the patient’s quality of life.…