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  5. CD109促進肺癌侵犯性與調控機制探討
 
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CD109促進肺癌侵犯性與調控機制探討

Other Title
Molecular Study of CD109 in Promotion of Lung Cancer Invasiveness
Type
thesis
Date Issued
2017-06-30
Author(s)
林柏興
Advisor
林政緯
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:林政緯
口試委員:楊慕華;黃彥華
中文關鍵字:非小細胞肺癌;腫瘤生物標記;癌症轉移;CD109
英文關鍵字:NSCLC;umor biomarker;cancer metastasis;CD109
Abstract
肺癌是最常見的惡性腫瘤,也是所有癌症中死亡率最高的癌症,其原因與肺癌轉移有關。因此,了解肺癌轉移侵犯機制對癌症診斷與治療將會有相當大的幫助。為尋找新穎腫瘤生物標記,我們分析高轉移性肺癌細胞基因表現,發現表面蛋白Cluster of Differentiation 109 (CD109)在轉移能力較高之肺癌細胞有上升情形。且高度表現CD109與肺癌病患的腫瘤進展、癌症轉移及復發情形有顯著相關性。在細胞實驗中,我們進一步發現CD109之表現與癌症細胞生長情形相關,並且抑制CD109蛋白表現能夠抑制肺癌細胞生長於侵犯能力。透過cDNA microarray分析,我們也發現CD109蛋白能夠調控癌細胞生長與侵犯性相關的基因表現。研究結果也證實CD109能夠透過與EGFR結合,調控EGFR下游訊息傳遞路徑,增強AKT/mTOR訊息傳遞,影響致癌機制及過程。並且抑制肺癌細胞中CD109表現後,能夠顯著降低EGF所誘導之AKT/mTOR蛋白大量啟動之情形,增強癌症細胞對於EGFR抑制劑之藥物敏感性。本論文證實CD109於肺癌侵犯性之重要性,並為肺癌之診斷及治療上具有潛力之新穎腫瘤生物標記。
URI
https://203.71.86.71/handle/123456789/57888

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