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Association of p62/SQSTM1 excess and oral carcinogenesis.
http://hdl.handle.net/10422/7354
http://hdl.handle.net/10422/7354b9663e2f-41f1-4006-88c3-54c98059107f
名前 / ファイル | ライセンス | アクション |
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journal.pone.0074398.pdf (7.5 MB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||||
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公開日 | 2014-09-22 | |||||||
タイトル | ||||||||
言語 | en | |||||||
タイトル | Association of p62/SQSTM1 excess and oral carcinogenesis. | |||||||
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 |
INUI, Takuma
× INUI, Takuma
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抄録 | ||||||||
内容記述タイプ | Abstract | |||||||
内容記述 | p62/SQSTM1 (sequestosome1) has never been evaluated in oral epithelium. In order to clarify the role of p62/SQSTM1 in carcinogenesis in oral epithelium, both p62/SQSTM1 and Nrf2 were immunohistochemically evaluated in 54 carcinomas and 14 low grade dysplasias. p62/SQSTM1 knockdowns were also designed in oral cancer cells, and we analyzed the Nrf2 pathway, GSH contents and ROS accumulation. The association between p62/SQSTM1 excess and prognosis was addressed in a clinical cohort of oral carcinoma cases. p62/SQSTM1 excess was more obvious in carcinomas, but Nrf2 was abundant in almost all samples of the oral epithelium. In oral carcinoma cells, p62/SQSTM1 knockdown did not affect the Nrf2-Keap1 pathway but did significantly reduce GSH content with subsequent ROS accumulation, and caused cell growth inhibition in the irradiated condition. Finally, p62/SQSTM1 excess was associated with poor prognosis in a clinical cohort. In oral epithelial carcinogenesis, p62/SQSTM1 excess played a role in GSH induction rather than Nrf2 accumulation, and may cause resistance to cytotoxic stresses such as radiation or chemotherapy. Immunohistochemical evaluation of p62/SQSTM1 may be a potential significant marker to identify early carcinogenesis, chemo-radiotherapeutic resistance or poor prognosis of oral squamous cell carcinomas. | |||||||
言語 | en | |||||||
学位名 | ||||||||
言語 | ja | |||||||
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 | 14202 | |||||||
言語 | ja | |||||||
学位授与機関名 | 滋賀医科大学 | |||||||
学位授与年度 | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | 平成25年度 | |||||||
言語 | ja | |||||||
学位授与年月日 | ||||||||
学位授与年月日 | 2014-03-10 | |||||||
学位授与番号 | ||||||||
学位授与番号 | 甲第692号 | |||||||
書誌情報 |
en : PLoS one 巻 8, 号 9, p. e74398, 発行日 2013-09-24 |
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出版者 | ||||||||
言語 | en | |||||||
出版者 | PLoS one | |||||||
著者版フラグ | ||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||
ISSN | ||||||||
収録物識別子タイプ | PISSN | |||||||
収録物識別子 | 1932-6203 | |||||||
PMID | ||||||||
識別子タイプ | PMID | |||||||
関連識別子 | 24086340 | |||||||
DOI | ||||||||
識別子タイプ | DOI | |||||||
関連識別子 | https://doi.org/10.1371/journal.pone.0074398 | |||||||
関連名称 | 10.1371/journal.pone.0074398 | |||||||
資源タイプ | ||||||||
内容記述タイプ | Other | |||||||
内容記述 | Thesis or Dissertation |