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  5. 人參皂苷於小鼠馬兜鈴酸腎病變之差異蛋白質體分析
 
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人參皂苷於小鼠馬兜鈴酸腎病變之差異蛋白質體分析

Other Title
Differential proteome analysis of aristolochic acid-induced nephropathy in mice with ginsenoside Rg1 treatment
Type
thesis
Date Issued
2012-07-02
Author(s)
黃昱斌
Advisor
李仁愛
Subjects
系所名稱:藥學研究所
Publisher
藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:李仁愛
共同指導教授:
口試委員:陳福安;陳世銘
中文關鍵字:馬兜鈴酸;人參皂苷螢光高效能液相層析串聯質譜法
Abstract
馬兜鈴酸(AA)存在於馬兜鈴科植物中,會導致馬兜鈴酸腎病變,而其病理機轉尚未明確。即使馬兜鈴酸在2003年已被禁用,民眾仍然可能使用含有少量馬兜鈴酸的中藥材。人參皂苷(GS Rg1)是從Panax ginseng C.A. Meyer所分離出來具有活性的成份之一,此成分具有抗氧化以及抗發炎的功用。由於GS Rg1治療腎病變的機轉尚未明瞭,在本實驗中利將腎臟組織利用螢光高效能液相層析串聯質譜法(FD-LC-MS/MS)分析GS Rg1於小鼠馬兜鈴酸之差異蛋白質體,以解明GS Rg1之治療機轉。
實驗結果顯示,在給予GS Rg1治療組以及只有馬兜鈴酸誘導腎損傷組中,經由FD-LC-MS/MS鑑定出100個蛋白質具有表現差異。這些蛋白質主要的功能包含抗氧化、腫瘤抑制以及訊息傳遞等。有37個蛋白質表現量在GS Rg1組中有明顯上升,包含acyl-CoA synthetase, long-chain acyl-CoA dehydrogenase等。並且有35個蛋白質在AA誘導腎損傷組中有明顯的上升,包含ATP synthase (H+ transport), cytochrome c oxidase等。在GS Rg1治療組中發現兩個蛋白質參與脂肪酸代謝(β-oxidation),這兩個蛋白質會增加脂肪酸代謝,並且降低馬兜鈴酸誘導的脂質毒性(Lipotoxicity)。因此,我們推測GS Rg1腎臟保護作用機轉包括有降低上皮間質轉換(EMT)、降低馬兜鈴酸誘導的脂質毒性、抑制細胞凋亡和腫瘤增生的功能。
URI
https://203.71.86.71/handle/123456789/11217

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