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  5. 長期酒精曝露模式探討肝癌細胞之生長週期與化療藥物之抗藥性研究
 
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長期酒精曝露模式探討肝癌細胞之生長週期與化療藥物之抗藥性研究

Other Title
Use of long term ethanol treatment to study the ethanol effect on cell cycle and chemosensitivity in hepatocellular carcinoma cell.
Type
thesis
Date Issued
2007-07-03
Author(s)
李易儒
Advisor
何元順
Subjects
系所名稱:醫學檢驗生物技術學研究所
Description
學位別:碩士
語文別:中文
指導教授:何元順
共同指導教授:
口試委員:林仁混;李文森
中文關鍵字:酒精;肝癌細胞;生長週期;化療藥
Abstract
Hepatitis B Virus (HBV)是亞洲常見的病毒性肝炎。長期酒精處理會導致肝細胞不正常增生,因此我們利用基因已被嵌入HBV genome,且持續表現HBsAg的肝癌細胞株Hep3B,在長期的酒精處理下,推測長期飲酒對肝癌病患及同時感染B肝病毒對細胞週期與抗藥性的影響。利用MTT技術與計數細胞的結果皆指出長期酒精培養會加速細胞生長。因此酒精可能改變及影響細胞的細胞週期與週期相關蛋白。結果顯示cyclin D1、cyclin D3是增加的。這與上述酒精增加細胞生長,有可能因為cyclin D1、D3蛋白增加,促進細胞往S期進行所產生的結果。進一步利用流式細胞儀分析酒精對細胞週期的影響,結果顯示酒精的作用明顯促進細胞週期的進行,且與G0/G1期的cyclin D1與cyclin D3蛋白變化有一致性。並進一步探討酒精是否增加或減少細胞對化療藥的敏感性。幾種臨床上常見的肝癌藥包含Cisplatin、Doxorubicin、Paclitaxel、Mitomycin C、5-Fluorouracil,觀察細胞在酒精處理下對各種化療藥的反應。結果顯示在這些化療藥中,酒精在48小時、2μg/ml的Cisplatin或10μM的Mitomycin C的處理下明顯增加細胞的耐受性。相反地,酒精增加細胞對Paclitaxel、Doxorubicin的敏感性。在合併Cisplatin與Mitomycin C,更增加酒精組細胞耐受性,但對細胞凋亡蛋白並未有顯著差異。此研究提供醫師在酗酒會影響治療肝癌同時感染B型肝炎病毒病人在化療治療效果的一些資訊。
URI
https://203.71.86.71/handle/123456789/12158
https://hdl.handle.net/11296/7g445k
File(s)
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Name

C0183242.pdf

Size

8.58 MB

Format

Adobe PDF

Checksum

(MD5):e80bff72376eb623dbf003d572ba9b72

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