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肺胞上皮細胞におけるポリアミノ酸のインスリン取り込み促進効果(発表論文抄録(2012))
https://fukuyama-u.repo.nii.ac.jp/records/8774
https://fukuyama-u.repo.nii.ac.jp/records/87740c34bc5f-8655-41a4-a262-fa514976e763
名前 / ファイル | ライセンス | アクション |
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小田啓祐(発表論文抄録(2012)) (141.8 kB)
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Copyright (c) 2013 by Fukuyama University
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-12-20 | |||||
タイトル | ||||||
タイトル | 肺胞上皮細胞におけるポリアミノ酸のインスリン取り込み促進効果(発表論文抄録(2012)) | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Enhancement effect of poly(amino acid)s on insulin uptake in alveolar epithelial cells. | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Absorption | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Amino Acids | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Animals | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Cell Line | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Drug Interactions | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Epithelial Cells | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Fluorescein-5-isothiocyanate | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Half-Life | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hypoglycemic Agents | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Insulin | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lysosomes | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Male | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Peptides | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Pinocytosis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Pulmonary Alveoli | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Rats | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Rats, Wistar | |||||
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 | departmental bulletin paper | |||||
著者 |
Oda, Keisuke
× Oda, Keisuke× Yumoto, Ryoko× Nagai, Junya× Katayama, Hirokazu× Takano, Mikihisa |
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著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 45890 | |||||
識別子Scheme | CiNii ID | |||||
識別子URI | http://ci.nii.ac.jp/nrid/9000283797503 | |||||
識別子 | 9000283797503 | |||||
姓名 | 小田, 啓祐 | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 45891 | |||||
識別子Scheme | CiNii ID | |||||
識別子URI | http://ci.nii.ac.jp/nrid/9000002748331 | |||||
識別子 | 9000002748331 | |||||
姓名 | 湯元, 良子 | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 45892 | |||||
識別子Scheme | CiNii ID | |||||
識別子URI | http://ci.nii.ac.jp/nrid/9000003074469 | |||||
識別子 | 9000003074469 | |||||
姓名 | 永井, 純也 | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 45893 | |||||
識別子Scheme | CiNii ID | |||||
識別子URI | http://ci.nii.ac.jp/nrid/9000002867742 | |||||
識別子 | 9000002867742 | |||||
姓名 | 片山, 博和 | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 45894 | |||||
識別子Scheme | CiNii ID | |||||
識別子URI | http://ci.nii.ac.jp/nrid/9000002748332 | |||||
識別子 | 9000002748332 | |||||
姓名 | 高野, 幹久 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In this study, we elucidated the effect of poly(amino acid)s such as poly-L-ornithine (PLO) on FITC-insulin uptake in cultured alveolar type II epithelial cells, RLE-6TN. FITC-insulin uptake by RLE-6TN cells as well as its cell surface binding was markedly increased by PLO without cytotoxicity. The uptake of FITC-insulin in the presence of PLO was shown to be mediated by endocytosis, but in contrast to the uptake in the absence of PLO, the contribution of macropinocytosis emerged. Colocalization of FITC-insulin and LysoTracker Red was observed by confocal laser scanning microscopy both in the absence and presence of PLO, indicating that FITC-insulin was partly targeted to lysosomes in the cells and degraded. The half-life of the intracellular degradation of FITC-insulin was, however, prolonged by the presence of PLO. PLO also stimulated the uptake of other FITC-labeled compounds. Among them, the enhancement effects of PLO on FITC-albumin and FITC-insulin uptake were prominent. The effect of PLO on insulin absorption was also examined in in-vivo pulmonary administration in rats, and co-administration of PLO enhanced the hypoglycemic action of insulin. These findings suggest that co-administration of poly(amino acid)s such as PLO is a useful strategy for enhancing insulin uptake by alveolar epithelial cells and subsequent absorption from the lung. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this study, we elucidated the effect of poly(amino acid)s such as poly-L-ornithine (PLO) on FITC-insulin uptake in cultured alveolar type II epithelial cells, RLE-6TN. FITC-insulin uptake by RLE-6TN cells as well as its cell surface binding was markedly increased by PLO without cytotoxicity. The uptake of FITC-insulin in the presence of PLO was shown to be mediated by endocytosis, but in contrast to the uptake in the absence of PLO, the contribution of macropinocytosis emerged. Colocalization of FITC-insulin and LysoTracker Red was observed by confocal laser scanning microscopy both in the absence and presence of PLO, indicating that FITC-insulin was partly targeted to lysosomes in the cells and degraded. The half-life of the intracellular degradation of FITC-insulin was, however, prolonged by the presence of PLO. PLO also stimulated the uptake of other FITC-labeled compounds. Among them, the enhancement effects of PLO on FITC-albumin and FITC-insulin uptake were prominent. The effect of PLO on insulin absorption was also examined in in-vivo pulmonary administration in rats, and co-administration of PLO enhanced the hypoglycemic action of insulin. These findings suggest that co-administration of poly(amino acid)s such as PLO is a useful strategy for enhancing insulin uptake by alveolar epithelial cells and subsequent absorption from the lung. | |||||
書誌情報 |
福山大学薬学部研究年報 en : Annual report of the Faculty of Pharmacy & Pharmaceutical Sciences, Fukuyama University 号 31, p. 39-40, 発行日 2013-12-25 |
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出版者 | ||||||
出版者 | 福山大学薬学部 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-724X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10064550 |