MPL and systemic lupus erythematosus: 6 Kuwana Kuwana Masataka Masataka Okazaki Okazaki Yuka Yuka Kajihara Kajihara Mikio Mikio Kaburaki Kaburaki Junichi Junichi Miyazaki Miyazaki Hiroshi Hiroshi Kawakami Kawakami Yutaka Yutaka Ikeda Ikeda Yasuo Yasuo Autoantibody to c-mpl (thrombopoietin receptor) in systemic lupus erythematosus Autoantibody to c-mpl (thrombopoietin receptor) in systemic lupus erythematosus Arthritis Rheum.