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  5. 利用抗氧化劑改善pegylated liposomal doxorubicin (PLD)誘導之手足症候群及其協同抗癌效用
 
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利用抗氧化劑改善pegylated liposomal doxorubicin (PLD)誘導之手足症候群及其協同抗癌效用

Other Title
Amelioration of pegylated liposomal doxorubicin (PLD)-induced hand-foot syndrome by antioxidants with synergistic anti-tumor effect
Type
thesis
Date Issued
2013-07-17
Author(s)
王倩如
Advisor
何秀娥
Subjects
系所名稱:藥學院生技製藥產業碩士專班
Description
學位別:碩士
語文別:中文
指導教授:何秀娥
共同指導教授:
口試委員:林山陽;蔡義弘;許明照;謝堅銘
中文關鍵字:艾黴素;手足症候群;活性氧類;白藜蘆醇;烏黎蘆醇;薑黃素;牛樟芝萃取物
Abstract
Pegylated liposomal doxorubicin (PLD)為doxorubicin以polyethylene glycol (PEG)修飾的微脂體包覆劑型常用於卵巢癌及乳癌的治療,相較於傳統的doxorubicin,PLD可以降低心臟毒性、增加藥物體內半衰期及迅速滲透腫瘤組織的效果,但由於PLD長時間的血液循環,會從肢端微血管滲出累積在手足部位細胞釋放出doxorubicin,在細胞內產生活性氧類(reactive species oxygen, ROS)增加氧化壓力引發細胞凋亡,導致嚴重的手足症候群副作用。
因此本研究目的在於探討是否能藉由抗氧化劑降低細胞內doxorubicin-induced ROS的產生來達到預防PLD所造成之手足症候群,同時也觀察抗氧化劑是否與doxorubicin具有協同作用增進患者在癌症治療上的效果。
本研究以白藜蘆醇、烏藜蘆醇、薑黃素以及牛樟芝萃取物四種抗氧化劑作為研究對象。實驗分為兩部分(一)以3T3纖維母細胞作為手足的正常細胞模式,評估這四種抗氧化劑在預防及降低PLD所造成之手足症候群的能力,(二)以MCF-7乳癌細胞模式探討抗氧化劑與doxorubicin的協同抗癌作用能力。實驗結果顯示,在投予doxorubicin前事先投予白藜蘆醇,對3T3纖維母細胞有最佳的抗氧化作用其次為薑黃素,顯示此二種抗氧化劑具有預防手足症候群產生的效果。若將抗氧化劑與doxorubicin同時投予則以牛樟芝萃取物的抑制doxorubicin-induced ROS之效果最佳,具有可降低副作用產生之效果。此外,白藜蘆醇及薑黃素與doxorubicin一起投予MCF-7乳癌細胞時比單獨使用doxorubicin更能降低癌細胞存活率,顯示白藜蘆醇和薑黃素對doxorubicin的抗癌效果具有協同作用。
URI
https://203.71.86.71/handle/123456789/14061

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