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Galectin -9 : An anticancer molecule for gallbladder carcinoma
https://kagawa-u.repo.nii.ac.jp/records/280
https://kagawa-u.repo.nii.ac.jp/records/2806692d2a8-9780-48d3-b643-b6196e189e3d
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本文 (1.1 MB)
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内容の要旨 (380.8 kB)
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審査の結果の要旨 (576.6 kB)
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| Item type | 学位論文 / Thesis or Dissertation(1) | |||||||||||||
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| 公開日 | 2017-08-25 | |||||||||||||
| タイトル | ||||||||||||||
| タイトル | Galectin -9 : An anticancer molecule for gallbladder carcinoma | |||||||||||||
| 言語 | en | |||||||||||||
| 言語 | ||||||||||||||
| 言語 | eng | |||||||||||||
| 資源タイプ | ||||||||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||||||||
| 資源タイプ | doctoral thesis | |||||||||||||
| アクセス権 | ||||||||||||||
| アクセス権 | open access | |||||||||||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||||||
| 著者 |
田所, 智子
× 田所, 智子
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| 抄録 | ||||||||||||||
| 内容記述タイプ | Abstract | |||||||||||||
| 内容記述 | Abstract Gallbladder cancer (GBC) is the most common and aggressive type of biliary tract cancer. There are various histological types of GBC, and the vast majority of GBC cases are adenocarcinomas. Squamous and adenosquamous carcinomas are rare GBC subtypes that are traditionally considered to be more aggressive and to be associated with a poorer prognosis than adenocarcinoma. Galectin-9 (Gal-9), a tandem-repeat-type galectin, has been reported to induce apoptosis-mediated elimination of various cancers, including hepatocellular carcinoma, cholangiocarcinoma, and hematologic malignancies. Therefore, we investigated the antitumor effects of Gal-9 on GBC in vitro and in vivo. In our in vitro experiments, Gal-9 suppressed cell proliferation in various GBC cell lines but not in the OCUG-1 cell line, which represents a poorly differentiated type of adenosquamous carcinoma. Gal-9 induced the apoptosis of Gal-9-sensitive GBC cells by increasing the levels of caspase-cleaved keratin 18 and phosphorylated p53. However, Gal-9 did not affect the expression of various cell cycle-related proteins. In addition, Gal-9 suppressed tumor growth by implanted human GBC cells in a xenograft model. Furthermore, Gal-9 induced the phosphorylation of the Ephrin type-B receptor, and the microRNA (miRNA) expression profile was markedly altered by Gal-9. Based on these results, various miRNAs might contribute to the suppression of tumor growth. Our data reveal that Gal-9 suppresses the growth of GBC, possibly by inducing apoptosis and altering miRNA expression. Thus, Gal-9 might serve as a therapeutic agent for the treatment of GBC. |
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| 言語 | en | |||||||||||||
| 学位名 | ||||||||||||||
| 言語 | ja | |||||||||||||
| 学位名 | 博士（医学） | |||||||||||||
| 学位授与機関 | ||||||||||||||
| 識別子Scheme | kakenhi | |||||||||||||
| 識別子 | 16201 | |||||||||||||
| 言語 | ja | |||||||||||||
| 機関名 | 香川大学 | |||||||||||||
| 言語 | en | |||||||||||||
| 機関名 | Kagawa University | |||||||||||||
| 学位授与年月日 | ||||||||||||||
| 学位授与年月日 | 2017-03-24 | |||||||||||||
| 学位授与番号 | ||||||||||||||
| 学位授与番号 | 甲第660号 | |||||||||||||
| 論文ID（NAID） | ||||||||||||||
| 識別子タイプ | NAID | |||||||||||||
| 関連識別子 | 500001039410 | |||||||||||||
| PubMed番号 | ||||||||||||||
| 識別子タイプ | PMID | |||||||||||||
| 関連識別子 | 26797414 | |||||||||||||
| 関連サイト | ||||||||||||||
| 関連タイプ | isVersionOf | |||||||||||||
| 識別子タイプ | DOI | |||||||||||||
| 関連識別子 | https://doi.org/10.3892/ijo.2016.3347 | |||||||||||||
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| 関連タイプ | isIdenticalTo | |||||||||||||
| 識別子タイプ | URI | |||||||||||||
| 関連識別子 | https://dl.ndl.go.jp/pid/10952404 | |||||||||||||
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| 出版タイプ | P | |||||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_fa2ee174bc00049f | |||||||||||||
| KEID | ||||||||||||||
| 27881 | ||||||||||||||
