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Diagnostic Potential of Cell-Free and Exosomal MicroRNAs in the Identification of Patients with High-Risk Colorectal Adenomas
http://hdl.handle.net/10076/00017685
http://hdl.handle.net/10076/0001768582dcacea-294e-4c0e-ae95-6fc3527b9aa5
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
2017DM022 (1.3 MB)
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| Item type | 学位論文 / Thesis or Dissertation(1) | |||||||||||
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| 公開日 | 2018-07-18 | |||||||||||
| タイトル | ||||||||||||
| タイトル | Diagnostic Potential of Cell-Free and Exosomal MicroRNAs in the Identification of Patients with High-Risk Colorectal Adenomas | |||||||||||
| 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 |
浦谷, 亮
× 浦谷, 亮
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| 抄録 | ||||||||||||
| 内容記述タイプ | Abstract | |||||||||||
| 内容記述 | Background: Although there is a growing interest in developing circulating microRNA (miRNA) as noninvasive diagnostic biomarkers for the detection of high-risk colorectal adenomas and early-stage CRCs, but the comparative diagnostic significance of serum vs. exosomal miRNAs remains unexplored.Methods: Based upon published literature, we performed an initial discovery step by investigating the expression of a miRNA panel in 20 normal colonic mucosa, 27 adenomas, and 19 CRC tissues. We performed subsequent validation by quantifying expression of candidate miRNAs in total serum and in exosomes from 26 adenoma patients and 47 healthy controls, and evaluated their clinical significance and potential diagnostic value in colorectal adenomas.Results: We observed that the expression of four miRNAs, miR-21, miR-29a, miR-92a, and miR-135b, was significantly higher in colorectal adenomas vs. normal colonic mucosa. During validation, expression of miR-21, miR-29a and miR-92a in serum was significantly higher in adenomas vs. healthy controls, significantly correlated with adenoma size and total adenoma number within the colorectum, and significantly discriminated patients with advanced adenomas. In contrast, although exosomal miR-21 and miR-29a levels in adenoma patients were significantly higher than those of healthy volunteers, only exosomal miR-21 significantly correlated with adenoma size and total adenoma number, and could discriminate patients with high-risk adenomas.Conclusion: Compared to exosomal miRNAs, serum levels of miR-21, miR-29a and miR-92a are superior diagnostic biomarkers in patients with high-risk adenomatous polyps. | |||||||||||
| 内容記述 | ||||||||||||
| 内容記述タイプ | Other | |||||||||||
| 内容記述 | 本文 / Department of Gastrointestinal and Pediatric Surgery, Division of Reparative Medicine, Institute of LifeSciences, Graduate School of Medicine, Mie University | |||||||||||
| 内容記述 | ||||||||||||
| 内容記述タイプ | Other | |||||||||||
| 内容記述 | 16p | |||||||||||
| 書誌情報 |
発行日 2018-03-26 |
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| DOI | ||||||||||||
| 識別子タイプ | DOI | |||||||||||
| 関連識別子 | 10.1371/journal.pone.0160722 | |||||||||||
| フォーマット | ||||||||||||
| 内容記述タイプ | Other | |||||||||||
| 内容記述 | application/pdf | |||||||||||
| 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 | |||||||||||
| 出版者 | ||||||||||||
| 出版者 | 三重大学 | |||||||||||
| 出版者（ヨミ） | ||||||||||||
| ミエダイガク | ||||||||||||
| 学位名 | ||||||||||||
| 学位名 | 博士(医学) | |||||||||||
| 学位授与機関 | ||||||||||||
| 学位授与機関識別子Scheme | kakenhi | |||||||||||
| 学位授与機関識別子 | 14101 | |||||||||||
| 学位授与機関名 | 三重大学 | |||||||||||
| 学位授与年月日 | ||||||||||||
| 学位授与年月日 | 2018-03-26 | |||||||||||
| 学位授与番号 | ||||||||||||
| 学位授与番号 | 甲医学第1879号 | |||||||||||
| ノート | ||||||||||||
| 資源タイプ（三重大） | ||||||||||||
| Doctoral Dissertation / 博士論文 | ||||||||||||
