CD81 belongs to a family of cell-surface protein ( tetraspanin) known as one of the up-regulated elements in rheumatoid arthritis synoviocytes. In this study, the therapeutic effect of small interfering RNA targeting CD81 (siCD81) was examined by in vivo electroporation method. Treatment with siCD81 significantly ameliorated paw swelling of collagen-induced arthritic ( CIA) rats. In histological examination, hypertrophy of synovium, bone erosion, and degeneration of articular cartilage were milder in rats treated with siCD81 than in the control group and the non-specific siRNA group. Expression of synoviolin, a rheumatoid regulator, was suppressed by siCD81. Thus, therapeutic intervention by targeting CD81 may be used in the treatment of rheumatoid arthritis. (C) 2009 Elsevier Inc. All rights reserved.
机构:Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, Japan
Komano, Yukiko
Yagi, Nobuhiro
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Kyowa Hakko Kirin Co Ltd, Shizuoka, JapanTokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, Japan
Yagi, Nobuhiro
Onoue, Ikumi
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机构:Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, Japan
Onoue, Ikumi
Kaneko, Kayoko
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机构:Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, Japan
Kaneko, Kayoko
Miyasaka, Nobuyuki
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机构:Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, Japan
Miyasaka, Nobuyuki
Nanki, Toshihiro
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Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, JapanTokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Dept Med & Rheumatol, Bunkyo Ku, Tokyo 1138519, Japan
Nanki, Toshihiro
JOURNAL OF PHARMACOLOGY AND EXPERIMENTAL THERAPEUTICS,
2012,
340
(01):
: 109
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113
机构:
Tokyo Inst Technol, Dept Chem Sci & Engn, 2-12-1-S1-24 Ookayama,Meguro Ku, Tokyo 1528552, JapanTokyo Inst Technol, Dept Chem Sci & Engn, 2-12-1-S1-24 Ookayama,Meguro Ku, Tokyo 1528552, Japan
Usuba, Kei
Kuroha, Kotomi
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Tokyo Inst Technol, Dept Chem Sci & Engn, 2-12-1-S1-24 Ookayama,Meguro Ku, Tokyo 1528552, JapanTokyo Inst Technol, Dept Chem Sci & Engn, 2-12-1-S1-24 Ookayama,Meguro Ku, Tokyo 1528552, Japan