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MODERN RHEUMATOLOGY Vol.10 No.4
>MR10-4 |
| Multicenter cooperative study of HLA class II alleles in Japanese patients with systemic lupus erythematosus |
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| S. Morimoto1, H. Hashimoto1, K. Yamanaka1, Y. Tokano1, Y. Nishimura2, S. Sawada3, N. Kamatani4, T. Sumida5, K. Yoshizaki6, K. Nagasawa7, N. Miyasaka8 |
(1)Department of Rheumatology and Internal Medicine, Juntendo University, School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo
(2)Division of Immunogenetics, Department of Neuroscience and Immunology, Kumamoto University Graduate School of Medical Science, Kumamoto, Japan
(3)Department of Medicine, Nihon University, Nerima Hikarigaoka Hospital, Tokyo, Japan
(4)Institute of Rheumatology, Tokyo Woman's Medical College, Tokyo, Japan
(5)Department of Medicine, Institute of Clinical Medicine, University of Tsukuba, Ibaraki, Japan
(6)Department of Third Medicine, Osaka University, Osaka, Japan
(7)Department of Internal Medicine, Saga Medical School, Saga, Japan
(8)Department of First Medicine, Tokyo Medical and Dental University, Tokyo, Japan |
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| Abstract |
| Abstract The relation between HLA class II alleles and clinical findings were examined in Japanese patients with systemic lupus erythematosus (SLE). In 284 patients with multicenter SLE, HLA class II alleles were examined using the DNA typing method, and the results were compared with the clinical findings. The frequency of DRB1*0101 and DQB1*0501 significantly increased in male patients, and that of DRB1*0803 significantly increased in patients over 50 years of age. In relation to cutaneous manifestations, there were positive photosensitivity associations with DQA1*0101 and/or DQA1*0301, malar rash with DQA1*0101 and/or DRB1*0901, alopecia with DQA1*0101, skin ulcers with DRB1*0401, and oral ulcers with DQA1*0301. In addition, there were also positive associations of myalgia with DRB1*1406 and negative associations of aseptic bone necrosis with DQA1*0601, and hepatomegaly with DRB1*0405 and/or DQA1*0401. In relation to laboratory findings, there were positive associations of hemolytic anemia with DRB1*1402 and negative associations of leukopenia with DQA1*0601, lymphopenia with DQA1*0301, and proteinuria with DRB1*0901. Interestingly, DQA1*0101 and/or DQB1*0501 were significantly associated with WHO classification type II rather than type IV. In patients with SLE, some HLA types related to clinical or laboratory findings. |
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| Key words |
| Key words SLE ・ HLA ・ Lupus nephritis |
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