Identification of novel transmembrane proteins in scirrhous type gastric cancer by Escherichia coli ampicillin secretion trap (CAST) method : TM9SF3 participates in tumor invasion and serves as a prognostic factor
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この文献の参照には次のURLをご利用ください : https://ir.lib.hiroshima-u.ac.jp/00036310
| ファイル情報(添付) | |
| ファイル情報(添付) | |
| ファイル情報(添付) | |
| タイトル ( eng ) |
Identification of novel transmembrane proteins in scirrhous type gastric cancer by Escherichia coli ampicillin secretion trap (CAST) method : TM9SF3 participates in tumor invasion and serves as a prognostic factor
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| タイトル ( jpn ) |
CAST法を用いた新規スキルス胃癌特異的膜蛋白質の同定 : TM9SF3は癌の浸潤に関与し、 予後因子となる
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| 作成者 |
Oo Htoo Zarni
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| 抄録 |
Objective: Scirrhous type gastric cancer is highly aggressive and has a worse prognosis because of its rapid cancer cell infiltration, accompanied by extensive stromal fibrosis. The aim of this study is to identify genes that encode transmembrane proteins frequently expressed in scirrhous type gastric cancer.
Methods: We generated Escherichia coli ampicillin secretion trap (CAST) libraries from 2 human scirrhous type gastric cancer tissues and compared with a normal stomach CAST library. By sequencing 2,880 colonies from scirrhous CAST libraries, we identified a list of candidate genes. Results: We focused on TM9SF3 gene because it has the highest clone count and immunohistochemical analysis demonstrated that 46 (50%) of 91 gastric cancer cases were positive for TM9SF3 and it was observed frequently in scirrhous type gastric cancer. TM9SF3 expression showed a significant correlation with the depth of invasion, tumor stage and undifferentiated type of gastric cancer. There was a strong correlation between TM9SF3 expression and poor survival prognosis of patients, validated in two separate cohorts, by immunostaining or qRT‐PCR. Transient knockdown of the TM9SF3 gene by siRNA showed decreased tumor cell invasive capacity. Conclusion: Our results indicate that TM9SF3 might be a potential diagnostic and therapeutic target for scirrhous type gastric cancer. |
| 著者キーワード |
CAST
Gastric cancer
TM9SF3
Prognosis
Transmembrane 9 superfamily member 3
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| NDC分類 |
医学 [ 490 ]
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| 言語 |
英語
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| 資源タイプ | 博士論文 |
| 権利情報 |
Copyright(c) by Author
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| 出版タイプ | Not Applicable (or Unknown)（適用外。または不明） |
| アクセス権 | オープンアクセス |
| 日付 |
[作成日] 2014-11-21
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| 収録物識別子 |
Htoo Zarni Oo, Kazuhiro Sentani, Naoy, Sakamoto, Katsuhiro Anami, Yutak, Naito, Takashi Oshima, Kazuyoshi Yanagihara, Naohide Oue and Wataru Yasui; Identification of novel transmembrane proteins in scirrhous-type gastric cancer by the Escherichia coli ampicillin secretion trap (CAST) method: TM9SF3 participates in tumor invasion and serves as a prognostic factor.; Pathobiology 2014, 81, 138-148 (DOI: 10.1159/000357821)
～を参照している
[DOI] http://dx.doi.org/10.1159/000357821
～を参照している
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| 学位授与番号 | 甲第6397号 |
| 学位名 | |
| 学位授与年月日 | 2014-03-23 |
| 学位授与機関 |
広島大学
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