Abstracts tagged "Apoptosis and rheumatoid arthritis (RA)"

Abstract Number: 476 • 2017 ACR/ARHP Annual Meeting
Novel Interaction between Anti-Citrulline Monoclonal Antibodies and Apoptotic Cells Is Mediated through Citrullinated Nuclear Antigens
Katy A. Lloyd¹, Peter Sahlström², Johanna Steen¹, Philip J. Titcombe^3,4, Diana Zhou¹, Christina Lundqvist⁵, Olov Ekwall^6,7, Jimmy Ytterberg¹, Johan Rönnelid⁸, Daniel L. Mueller³, Lars Klareskog¹, Vivianne Malmström¹ and Caroline Grönwall⁹, ¹Dept. of Medicine, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden, ²Dept. of Medicine, Rheumatology Unit, Karolinska Institutet, Stockholm, Sweden, ³Dept. of Medicine, University of Minnesota Medical School, Minneapolis, MN, ⁴Dept. of Medicine, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Sweden, Sweden, ⁵Dept. of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden, ⁶Dept. of Rheumatology and Inflammation Research, Institute of Medicine, Sahlgrenska Academy University of Gothenburg, Göteborg, Sweden, ⁷Dept of Pediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden, ⁸Department of Immunology Genetics and Pathology, Uppsala University, Uppsala, Sweden, ⁹Dep. of Medicine, Rheumatology Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
Background/Purpose: Anti-citrullinated protein antibodies (ACPA) display broad cross-reactivities and target proteins including a-enolase, filaggrin, vimentin, fibrinogen, and histones. However, every monoclonal ACPA has a distinct…
Abstract Number: 1177 • 2015 ACR/ARHP Annual Meeting
Characterization of Different Phosphorylation Sites of Mcl-1 in Human Rheumatoid Arthritis Synovial Fibroblasts and Their Correlation with RA Pathogenesis
Nahid Akhtar and Salahuddin Ahmed, Department of Pharmaceutical Sciences, Washington State University College of Pharmacy, Spokane, WA
Background/Purpose: Myeloid cell leukemia (Mcl-1), a Bcl-2 family anti-apoptotic protein, is a critical determinant of rheumatoid arthritis synovial fibroblasts (RA-FLS) resistance to apoptosis. Phosphorylation of…

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