Abstracts tagged "neutrophils and rheumatoid arthritis (RA)"

Abstract Number: 2044 • ACR/ARHP Annual Meeting 2018
Impaired microRNA Processing in Neutrophils from Rheumatoid Arthritis Patients Confers Their Pathogenic Profile. Modulation By Biological Therapies
Ivan Arias de la Rosa¹, Patricia Ruiz-Limon¹, Carlos Perez-Sanchez², Maria Carmen Abalos-Aguilera¹, Yolanda Jiménez-Gómez², Irene Cecchi³, Rafaela Ortega-Castro², Miguel Angel Caracuel-Ruiz⁴, Jerusalem Calvo-Gutierrez², Alejandro Escudero-Contreras¹, Eduardo Collantes-Estévez², Chary Lopez-Pedrera⁴ and Nuria Barbarroja², ¹Rheumatology Service, IMIBIC/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain, ²Rheumatology service, IMIBIC/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain, ³Center of Research of Immunopathology and Rare Diseases- Coordinating Center of Piemonte and Valle d’Aosta Network for Rare Diseases, Department of Clinical and Biological Sciences, University of Turin, Italy, Turin, Italy, ⁴IMIBIC/Reina Sofia Hospital/University of Cordoba, Cordoba, Spain
Background/Purpose: Neutrophils are the most abundant cells in synovial fluid, having all the features of activated cells in rheumatoid arthritis (RA), including prolonged cell survival,…
Abstract Number: 485 • ACR/ARHP Annual Meeting 2017
Different Citrullination Profiles in Spontaneous Versus Leukemia-Associated Rheumatoid Arthritis
Tal Gazitt¹, Son Hong Nguyen², Ari Salinger², Christian Lood³, Xizhang Sun¹, Lena M. Tanaka¹, David Feith⁴, Jeffrey Ledbetter⁵, Gordon Starkebaum⁶, Thomas Loughran Jr.⁷, Paul R. Thompson² and Keith B. Elkon⁸, ¹Division of Rheumatology, University of Washington, Seattle, WA, ²Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA, ³Division of Rheumatology, Division of Rheumatology, Department of Medicine, University of Washington, Seattle, WA, ⁴Hematology and Oncology, University of Virginia, Charlottesville, VA, ⁵University of Washington, Seattle, WA, ⁶Department of Medicine, Division of Rheumatology, University of Washington, Seattle, WA, ⁷Hematology Oncology, University of Virginia, Charlottesville, VA, ⁸Division of Rheumatology, Department of Medicine, University of Washington, Seattle, WA
Background/Purpose: Protein citrullination, the post-translational conversion of arginine to citrulline, mediated by peptidylarginine deiminase (PAD) enzymes, is considered a likely mechanism for the stimulation of…
Abstract Number: 2917 • ACR/ARHP Annual Meeting 2017
Neutrophil Activation in Rheumatoid Arthritis – Potential Biomarkers of Disease Activity and Severity
Mary Bach¹, Daniel Moon², Marcel Bach², Marcus Bach² and Christian Lood³, ¹VA Puget Sound Health Care System, Seattle, WA, ²University of Washington, Seattle, WA, ³Department of Medicine, Division of Rheumatology, University of Washington, Seattle, WA
Background/Purpose: Neutrophil activation is associated with inflammation and autoimmunity, including rheumatoid arthritis (RA), where neutrophil infiltration to joints participates in tissue destruction and development of…
Abstract Number: 2709 • ACR/ARHP Annual Meeting 2015
Immediate Release of Peripheral Neutrophil Myeloperoxidase and Elastase and Formation of Extracellular Traps to Cigarette Smoking in Rheumatoid Arthritis
Juliane Franz¹, Stavros Giaglis^1,2, Guenther Schaefer³, Erik Deman¹, Andreas Thueler⁴, Sinuhe Hahn² and Paul Hasler¹, ¹Rheumatology, Kantonsspital Aarau, Aarau, Switzerland, ²Biomedicine, Laboratory of Prenatal Medicine, University Hospital Basel, Basel, Switzerland, ³Dept. of Biomedicine, Laboratory of Prenatal Medicine, University Hospital Basel, Basel, Switzerland, ⁴Rheumatology, Kantonsspital Baden, Baden, Switzerland
Background/Purpose: Smoking represents an independent risk factor for rheumatoid arthritis (RA) (1). In response to infectious agents, neutrophil granulocytes can extrude their nuclear contents as…
Abstract Number: 1467 • ACR/ARHP Annual Meeting 2014
Do G-CSF and Neutrophils Contribute to the Pathophysiology of Rheumatoid Arthritis?
Gabrielle Goldberg¹, Simon Chatfield^2,3, Jane Murphy¹, Ee Shan Pang¹, Yunshun Chen⁴, Gordon Smyth⁴, Milica Ng⁵, Michael Wilson⁵, Clare O'Neill³, Samantha Busfield⁵, Arna Andrews⁵ and Ian P. Wicks^3,6,7, ¹Inflammation Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia, ²Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia, ³Rheumatology, The Royal Melbourne Hospital, Melbourne, Australia, ⁴Bioinformatics Division, Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia, ⁵Research, CSL Limited, Melbourne, Australia, ⁶Inflammation, The Walter and Eliza Hall Institute of Medical Research, Melbourne, Australia, ⁷Medical Biology, The University of Melbourne, Melbourne, Australia
Background/Purpose Rheumatoid arthritis (RA) is characterised by a persistent, but poorly understood interplay between innate and adaptive immunity. Neutrophils are the predominant cell type in…
Abstract Number: 1061 • ACR/ARHP Annual Meeting 2012
Generation of Myeloid-Derived Suppressor Cells in Vitro From Murine Bone Marrow Precursors
Julia Kurko¹, Beata Tryniszewska¹, Tibor A. Rauch¹, Colt Egelston², Tibor T. Glant¹ and Katalin Mikecz¹, ¹Orthopedic Surgery, Rush University Medical Center, Chicago, IL, ²Immunology, Rush University Medical Center, Chicago, IL
Background/Purpose: Myeloid-derived suppressor cells (MDSCs) are innate immune cells that expand under pathological conditions (such as cancer and autoimmune diseases) in response to local growth…