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  5. 探討真菌固醇結合兩性黴素 B 對人類肝癌細胞之抑制作用
 
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探討真菌固醇結合兩性黴素 B 對人類肝癌細胞之抑制作用

Other Title
Inhibition of human hepatocellular carcinoma cells by fungal sterols combined with amphotericin B
Type
thesis
Date Issued
2016-01-04
Author(s)
林郁淳
Advisor
李玲玟
蘇慶華
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:李玲玟
共同指導教授:蘇慶華
口試委員:許明照;王靜瓊;戴承正
中文關鍵字:靈芝;麥角固醇;真菌固醇;兩性黴素 B;肝癌
英文關鍵字:Ganoderma lingzhi;ergosterol;fungal sterols;amphotericin B;hepatocellular carcinoma
Abstract
  靈芝是一種在世界上被廣泛地栽培和使用的藥用菇類,具有許多藥理特性,包含抗發炎、保肝、降血糖、降血脂、調節免疫以及抗氧化活性。靈芝酒萃物所含的主要活性物質,如三萜類與固醇,對於多種人類癌細胞株皆具有抗癌功效。過去的文獻指出,麥角固醇提高老鼠血癌細胞對於兩性黴素 B 的敏感度,本篇研究欲闡明靈芝酒萃物 (Ganoderma lingzhi ethanolic extract) 中所含的主要活性物質併用兩性黴素 B 對人類肝癌細胞抑制作用之可能機制。首先,利用酸鹼水溶液萃取的方式將靈芝酒萃物分為酸性層 (Ganoderma lingzhi ethanolic extract acid fraction) 及非酸性層 (Ganoderma lingzhi ethanolic extract non-acid fraction),接著使用薄層層析法分離靈芝酒萃物與各分層進而比對出麥角固醇 (ergosterol) 和麥角醯胺 (ergone),研究結果顯示,預處理麥角固醇或麥角醯胺提升兩性黴素 B 的抑癌功效,此外,預處理麥角固醇結合兩性黴素 B 誘發細胞週期停滯、細胞週期抑制蛋白 P21 與 P27 表現以及自噬作用指標蛋白 P62 與 LC-3 A/B II 活化。綜合以上所述,麥角固醇或麥角醯胺併用兩性黴素 B 具有潛力,值得進一步開發並做為肝癌病患有效且安全的療法。
URI
https://203.71.86.71/handle/123456789/57565

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