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Breast cancer sphingosine-1-phosphate is associated with phospho-sphingosine kinase 1 and lymphatic metastasis
http://hdl.handle.net/10191/48156
http://hdl.handle.net/10191/4815689a4d3a4-2974-4e7a-8c93-6a618eca2f3a
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本文 (1.8 MB)
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| Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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| 公開日 | 2017-11-07 | |||||
| タイトル | ||||||
| タイトル | Breast cancer sphingosine-1-phosphate is associated with phospho-sphingosine kinase 1 and lymphatic metastasis | |||||
| タイトル | ||||||
| タイトル | Breast cancer sphingosine-1-phosphate is associated with phospho-sphingosine kinase 1 and lymphatic metastasis | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Sphingosine-1-phosphate | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Phospho-sphingosine kinase 1 | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Breast cancer | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Lymphatic metastasis | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | HER2 | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | Inflammation | |||||
| 資源タイプ | ||||||
| 資源 | http://purl.org/coar/resource_type/c_46ec | |||||
| タイプ | thesis | |||||
| その他のタイトル | ||||||
| その他のタイトル | 乳癌におけるスフィンゴシン1リン酸濃度と，リン酸化スフィンゴシンキナーゼ１の発現およびリンパ節転移と関連 | |||||
| 著者 |
Tsuchida, Junko
× Tsuchida, Junko |
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| 著者別名 | ||||||
| 識別子Scheme | WEKO | |||||
| 識別子 | 51158 | |||||
| 姓名 | 土田, 純子 | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | Background: Sphingosine-1-phosphate (S1P), a pleiotropic bioactive lipid mediator, has been implicated as a key regulatory molecule in cancer through its ability to promote cell proliferation, migration, angiogenesis, and lymphangiogenesis. Previous studies suggested that S1P produced by sphingosine kinase 1 (SphK1) in breast cancer plays important roles in progression of disease and metastasis. However, the associations between S1P and clinical parameters in human breast cancer have not been well investigated to date. Materials and methods: We determined levels of S1P and other sphingolipids in breast cancer tissue by electrospray ionization-tandem mass spectrometry. Associations between S1P levels and clinicopathologic features of the tumors were analyzed. Expression of phospho-SphK1 (pSphK1) in breast cancer tissues was determined by immunohistochemical scoring. Results: Levels of S1P in breast cancer tissues were significantly higher in patients with high white blood cell count in the blood than those patients without. S1P levels were lower in patients with human epidermal growth factor receptor 2 overexpression and/or amplification than those patients without. Furthermore, cancer tissues with high pSphK1 expression showed significantly higher levels of S1P than cancer tissues without. Finally, patients with lymph node metastasis showed significantly higher levels of S1P in tumor tissues than the patients with negative nodes. Conclusions: To our knowledge, this is the first study to demonstrate that high expression of pSphK1 is associated with higher levels of S1P, which in turn is associated with lymphatic metastasis in breast cancer. | |||||
| 内容記述 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 学位の種類: 博士（医学）. 報告番号: 甲第4366号. 学位記番号: 新大院博（医）甲第779号. 学位授与年月日: 平成29年9月20日 | |||||
| 内容記述 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | Journal of Surgical Research. 2016, 205(1), 85-94. | |||||
| 書誌情報 | 発行日 2017-09-20 | |||||
| 出版者 | ||||||
| 出版者 | 新潟大学 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | info:doi/10.1016/j.jss.2016.06.022 | |||||
| 権利 | ||||||
| 権利情報 | (C) 2016 Elsevier Inc. All rights reserved. | |||||
| 著者版フラグ | ||||||
| 値 | ETD | |||||
| 学位名 | ||||||
| 学位名 | 博士（医学） | |||||
| 学位授与機関 | ||||||
| 学位授与機関名 | 新潟大学 | |||||
| 学位授与年月日 | ||||||
| 学位授与年月日 | 2017-09-20 | |||||
| 学位授与番号 | ||||||
| 学位授与番号 | 13101甲第4366号 | |||||
| 学位記番号 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | 新大院博（医）甲第779号 | |||||
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Cite as
Tsuchida, Junko, 2017, Breast cancer sphingosine-1-phosphate is associated with phospho-sphingosine kinase 1 and lymphatic metastasis: 新潟大学.
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