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Characterization of transgene expression and pDNA distribution of the suctioned kidney in mice


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タイトル: Characterization of transgene expression and pDNA distribution of the suctioned kidney in mice
著者: Oyama, Natsuko / Fuchigami, Yuki / Fumoto, Shintaro / Sato, Megumu / Hagimori, Masayori / Shimizu, Kazunori / Kawakami, Shigeru
発行日: 2017年 6月 6日
出版者: Informa UK Limited
引用: Drug Delivery, 24(1), pp.906-917; 2017
抄録: We have previously developed an efficient and safe transfection method for the kidney in mice: renal suction-mediated transfection. In this study, we verified the detailed characteristics of transgene expression and plasmid DNA (pDNA) in mice to develop therapeutic strategies and application to gene function analysis in the kidney. After naked pDNA was administered intravenously, the right kidney was immediately suctioned by a tissue suction device. We examined the spatial distribution of transgene expression and pDNA in the suctioned kidney using tissue clearing by CUBIC, ClearT2, and Scale SQ reagents. Spatial distribution analysis showed that pDNA was transfected into extravascular cells and sufficiently delivered to the deep renal cortex. In addition, we revealed that transgene expression occurred mainly in peritubular fibroblasts of the suctioned kidney by tissue clearing and immunohistochemistry. Next, we confirmed the periods of pDNA uptake and activation of transcription factors nuclear factor-κB and activator protein 1 by luciferase assays. Moreover, the use of a pCpG-free plasmid enabled sustained transgene expression in the suctioned kidney. In conclusion, analyses of the spatial distribution and immunostaining of the section suggest that pDNA and transgene expression occurs mainly in peritubular fibroblasts of the suctioned kidney. In addition, we clarified some factors for efficient and/or sustained transgene expression in the suctioned kidney.
キーワード: Gene delivery / kidney / naked pDNA / spatial distribution / fibroblast
URI: http://hdl.handle.net/10069/37721
ISSN: 10717544
DOI: 10.1080/10717544.2017.1333171
権利: ©2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. / This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:050 学術雑誌論文

引用URI : http://hdl.handle.net/10069/37721

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