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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
  4. 103學年度
  5. 小泛素化蛋白酶對於B型肝炎病毒X蛋白誘導肝癌 細胞轉移及癌幹細胞特性之影響
 
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小泛素化蛋白酶對於B型肝炎病毒X蛋白誘導肝癌 細胞轉移及癌幹細胞特性之影響

Other Title
Role of SENP1 in HBx-induced Cell Migration- and Stemness- Properties in Hepatocellular Carcinoma
Type
thesis
Date Issued
2015-07-14
Author(s)
宋彥嶒
Advisor
黃彥華
Subjects
系所名稱:醫學科學研究所
Description
學位別:碩士
語文別:中文
指導教授:黃彥華
共同指導教授:
口試委員:林琬琬;鄭雅文
中文關鍵字:肝癌;B型肝炎病毒;B型肝炎病毒X蛋白;小泛素化蛋白酶;癌症轉移;幹細胞特性
英文關鍵字:HCC;HBV;HBx;SENP1;Metastasis;Stemness
Abstract
肝癌的進程具多樣化致病因子以及訊號傳遞路徑。肝癌早期復發及高度轉移的特性也造成癌症治療的困難。肝癌的發生與人類B型肝炎病毒 (HBV) 誘發之肝炎有著高度的關聯性,但在臨床上仍缺乏針對HBV所誘發之肝癌的有效治療方法。本篇研究探討小泛素化蛋白酶 (SENP1) 於癌症轉移發生之關係。我們於臨床人類肝癌組織檢體中發現SENP1與細胞轉移相關蛋白 (SNAIL 與 TWIST) 的基因表現呈高度的正相關,且SENP1、SNAIL和TWIST皆高度表現於B型肝炎病毒相關的肝癌組織。SENP1 的表現程度也與肝癌患者的復發情形、肝癌分級及癌症轉移呈正相關。我們先前也已證實B型肝炎病毒蛋白 (HBx) 會正向調控 SENP1 蛋白的表現,進而調控幹細胞相關因子 (OCT4) 來影響癌細胞之幹細胞特性。我們進一步在肝癌細胞株大量表現HBx蛋白,證實HBx蛋白的表現會促進SENP1、OCT4及細胞轉移相關因子SNAIL和TWIST之蛋白表現量,進而造成細胞轉移。此外藉由RNA干擾SENP1的表現後,HBx所誘導的細胞轉移及癌幹細胞相關特性則皆顯著下降。總結: 本篇論文證實,在B型肝炎病毒所誘發的肝癌中,HBx蛋白會透過SENP1的調控影響癌細胞的轉移能力及其幹細胞特性。因此在B型肝炎病毒相關癌症當中,我們的研究提供SENP1的調控路徑可作為新穎的治療標的方向。
URI
https://203.71.86.71/handle/123456789/57187

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