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  5. 去氫羥化腎上腺皮質素作用於馬兜鈴酸誘導小鼠腎病變之蛋白質體分析
 
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去氫羥化腎上腺皮質素作用於馬兜鈴酸誘導小鼠腎病變之蛋白質體分析

Other Title
Proteomics analysis of the effects of prednisolone on aristolochic acid nephropathy in mice
Type
thesis
Date Issued
2014-06-23
Author(s)
陳泓翔
Advisor
陳世銘
Subjects
系所名稱:藥學系(碩博士班)
Description
學位別:碩士
語文別:中文
指導教授:陳世銘
共同指導教授:
口試委員:方嘉佑;李宗徽
中文關鍵字:馬兜鈴酸腎病變;蛋白質體;去氫羥化腎上腺皮質素
Abstract
本研究以蛋白質體分析方法,探討去氫羥化腎上腺皮質素 (prednisolone) 對於馬兜鈴酸 (aristolochic acid, AA) 腎病變小鼠在治療上的可能機轉。實驗期間為10週,選用雄性C3H/He小鼠,分normal組、AA組以及prednisolone組進行試驗。於實驗前八週,AA組及prednisolone組投予AA飲用水0.5 mg/kg/day,最後兩周AA組和prednisolone組分別投予蒸餾水及prednisolone 2 mg/kg/day;normal組於實驗期間全程給予蒸餾水。實驗結束後將小鼠腎臟組織均質化,利用螢光衍生化試劑DAABD-Cl (4-[2-(Dimethylamino) ethylaminosulfonyl]-7-chloro-2,1,3-benzoxadiazole) 衍生化,再以螢光高效能液相層析儀 (FD-HPLC) 分離,收集表現量具統計差異的波峰,利用液相層析串聯質譜儀 (LC-MS/MS) 及MASCOT資料庫進行定性和蛋白質鑑定。
經比對分析後,發現39個和馬兜鈴酸腎病變相關的蛋白質,針對其中12個與細胞ATP合成及抗氧化路徑相關蛋白作探討,可分為:糖解作用、抗氧化作用及ATP合成作用。其中大部分與糖解作用及ATP合成相關的蛋白質在prednisolone組的表現量相較於AA組都有顯著降低的趨勢。而抗氧化蛋白在prednisolone組的表現量相較於AA組則有顯著增加的情形。由實驗結果推論,藉由prednisolone的抗發炎效果,可減少腎組織糖解作用進行、ATP消耗以及降低氧化壓力來延緩馬兜鈴酸腎病變的進展。
URI
https://203.71.86.71/handle/123456789/56970

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