Abstracts tagged "antiphospholipid syndrome and human leukocyte antigens (HLA)"

Abstract Number: 852 • ACR/ARHP Annual Meeting 2018
Antigenic Property of Prothrombin/HLA-DR Complex on Procoagulant Cells in Patients with Antiphospholipid Syndrome
Naoki Ohnishi¹, Yuichiro Fujieda¹, Ryo Hisada¹, Hiroyuki Nakamura¹, Masaru Kato¹, Kenji Oku¹, Toshiyuki Bohgaki¹, Olga Amengual¹, Shinsuke Yasuda¹, Hisashi Arase² and Tatsuya Atsumi¹, ¹Department of Rheumatology, Endocrinology and Nephrology, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan, ²Department of Immunochemistry, Research Institute for Microbial Disease, Osaka University, Suita, Japan
Background/Purpose: Antiphospholipid syndrome (APS) is characterized by thrombosis and/or pregnancy morbidity and the presence of antiphospholipid antibodies (aPL). Phosphatidylserine-dependent antiprothrombin antibodies (aPS/PT) recognize the phosphatidylserine/prothrombin…