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Rab3a-Bound CD63 Is Degraded and Rab3a-Free CD63 Is Incorporated into HIV-1 Particles
http://hdl.handle.net/10069/37777
http://hdl.handle.net/10069/377777393bc0d-9f8d-4c8f-bf47-66ade7691124
名前 / ファイル | ライセンス | アクション |
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Fmicb8_1653.pdf (3.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-09-25 | |||||
タイトル | ||||||
タイトル | Rab3a-Bound CD63 Is Degraded and Rab3a-Free CD63 Is Incorporated into HIV-1 Particles | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CD63 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HIV-1 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Rab3a | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | virion formation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | endosome/lysosome | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kubo, Yoshinao
× Kubo, Yoshinao× Masumoto, Hiroshi× Izumida, Mai× Kakoki, Katsura× Hayashi, Hideki× Matsuyama, Toshifumi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | CD63, a member of the tetraspanin family, is involved in virion production by human immunodeficiency virus type 1 (HIV-1), but its mechanism is unknown. In this study, we showed that a small GTP-binding protein, Rab3a, interacts with CD63. When Rab3a was exogenously expressed, the amounts of CD63 decreased in cells. The Rab3a-mediated reduction of CD63 was suppressed by lysosomal and proteasomal inhibitors. The amount of CD63 was increased by reducing the endogenous Rab3a level using a specific shRNA. These results indicate that Rab3a binds to CD63 to induce the degradation of CD63. Rab3a is thought to be involved in exocytosis, but we found that another function of Rab3a affects the fate of CD63 in lysosomes. CD63 interacted with Rab3a and was incorporated into HIV-1 particles. However, Rab3a was not detected in HIV-1 virions, thereby indicating that Rab3a-free CD63, but not Rab3a-bound CD63, is incorporated into HIV-1 particles. Overexpression or silencing of Rab3a moderately reduced HIV-1 virion formation. Overexpression of Rab3a decreased CD63 levels, but did not affect the incorporation of CD63 into HIV-1 particles. This study showed that Rab3a binds to CD63 to induce the degradation of CD63, and only Rab3a-free CD63 is incorporated into HIV-1 particles. | |||||
書誌情報 |
Frontiers in Microbiology 巻 8, p. 1653, 発行日 2017-08-29 |
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出版者 | ||||||
出版者 | Frontiers Media S. A. | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1664302X | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.3389/fmicb.2017.01653 | |||||
権利 | ||||||
権利情報 | c 2017 Kubo, Masumoto, Izumida, Kakoki, Hayashi and Matsuyama. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Frontiers in Microbiology, 8, 1653; 2017 |