KMID : 0545120170270101892
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Journal of Microbiology and Biotechnology 2017 Volume.27 No. 10 p.1892 ~ p.1895
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Recombinant Adeno-Associated Virus Expressing Truncated IK Cytokine Diminishes the Symptoms of Inflammatory Arthritis
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Choi Seul-Gi
Park Hye-Lim Minelko Marstella Kim Eun-Kyung Cho Mi-Ra Nam Jae-Hwan
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Abstract
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IK can downregulate interferon-gamma-induced major histocompatibility complex (MHC) class II expression through the MHC class II transactivator, which suggests that IK can inhibit the interactions between immune cells. We delivered adeno-associated virus serotype 2 (AAV2) encoding the genes for truncated IK (tIK) or green fluorescent protein (GFP) to DBA1/J mice via intravenous injection. Seven weeks after injection, collagen-induced arthritis was induced in the AAV2-treated mice. AAV2-tIK injection reduced the severity of arthritis and the percentage of pathogenic Th17 cells compared with AAV2-GFP injection. These results suggest a novel gene therapy strategy for treatment of inflammatory arthritis.
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KEYWORD
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Adeno-associated virus, Gene therapy, inflammatory arthritis, rheumatoid arthritis, truncated IK
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