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Live-cell imaging to analyze intracellular aggregation of recombinant IgG in CHO cells
https://tokushima-u.repo.nii.ac.jp/records/2010248
https://tokushima-u.repo.nii.ac.jp/records/20102484386821b-ae6d-4854-9ab9-f1312b6b4e0f
名前 / ファイル | ライセンス | アクション |
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Item type | 文献 / Documents(1) | |||||||||||||||||||||||||||||
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公開日 | 2022-09-09 | |||||||||||||||||||||||||||||
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アクセス権 | open access | |||||||||||||||||||||||||||||
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資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||||||||||||
資源タイプ | journal article | |||||||||||||||||||||||||||||
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関連識別子 | https://doi.org/10.1016/j.chembiol.2021.08.010 | |||||||||||||||||||||||||||||
関連名称 | 10.1016/j.chembiol.2021.08.010 | |||||||||||||||||||||||||||||
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出版タイプ | VoR | |||||||||||||||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||||||||||||||
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タイトル | Live-cell imaging to analyze intracellular aggregation of recombinant IgG in CHO cells | |||||||||||||||||||||||||||||
著者 |
センガ, ユカコ
× センガ, ユカコ
× ドイ, モトミチ
× 鬼塚, 正義
WEKO
560
× ホンダ, シンヤ
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内容記述 | Recombinant immunoglobulin G (IgG) aggregates are formed during their production. However, the process underlying intracellular/extracellular aggregation in cell culture conditions is not well understood, and no effective method exists to assess IgG aggregates. Here, we establish an approach to detect intracellular aggregates using AF.2A1, a small artificial protein that binds to non-native IgG conformers and aggregates. Fluorescent-labeled AF.2A1 is prepared via conjugation and transfected into antibody-producing Chinese hamster ovary (CHO) cells. Micrographic images show intracellular IgG aggregates in CHO cells. The relative amount of intracellular aggregates (versus total intracellular IgG) differed depending on the type of additives used during cell culture. Interestingly, the relative amount of intracellular aggregates moderately correlates with that of in vitro extracellular IgG aggregates, suggesting they are secreted. This method will allow the investigation of antibody aggregation in cells, and may guide the production of therapeutic antibodies with high yield/quality. | |||||||||||||||||||||||||||||
書誌情報 |
en : Cell Chemical Biology 巻 29, 号 1, p. 120-132.e4, 発行日 2021-11-04 |
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収録物識別子タイプ | ISSN | |||||||||||||||||||||||||||||
収録物識別子 | 24519456 | |||||||||||||||||||||||||||||
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出版者 | Elsevier | |||||||||||||||||||||||||||||
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権利情報 | This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). | |||||||||||||||||||||||||||||
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識別子 | 390159 | |||||||||||||||||||||||||||||
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言語 | eng |