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  5. (D,L)-3-羥基丁酸於健大黴素誘導的大鼠腎病變的組織濃度變化
 
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(D,L)-3-羥基丁酸於健大黴素誘導的大鼠腎病變的組織濃度變化

Other Title
The Concentrations of (D,L)-3-Hdroxybutyrate in Rat Tissue with Gentamicin Induced Nephropathy
Type
thesis
Date Issued
2016-06-30
Author(s)
黃俊昌
Advisor
李仁愛
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:李仁愛
共同指導教授:
口試委員:田履黛;黃偉展
中文關鍵字:D-3-羥基丁酸;L-3-羥基丁酸;腎病變;gentamicin;metformin;N-acetylcysteine;atorvastatin
英文關鍵字:D-3-Hydroxybutyrate;L-3-Hydroxybutyrate;nephropathy;gentamicin;metformin;N-acetylcysteine;atorvastatin
Abstract
羥基丁酸(3-hydroxybutyrate; 3HB)在結構上有不對稱中心,因此有D-型以及L-型等兩種鏡像異構物。D-3HB為體內含量最高的酮體,可作為替代葡萄糖之能量來源。L-3HB則因其低含量及分析技術之限制而少有相關研究。D-3HB的生成路徑與脂質的代謝息息相關,且在細胞實驗中D-3HB可轉化成L-3HB。本研究使用影響脂質代謝的gentamicin(GM)觀察其對D-及L-3HB的影響,以Wistar Albino大鼠每日腹腔注射150 mg(6天)或100mg (10天)/kg/day之GM。此外,由於GM容易引起腎病變,本研究同時也探討口服給與具有腎臟保護作用之metformin(MET)、N-acetylcysteine(NAC)以及atorvastatin(ATO)時對D-及L-3HB的影響以幫助解明(D,L)-3HB之生理意義。
結果顯示在投與GM後,血清中的D-及L-3HB之濃度均顯著上升,而腎臟中則僅D-3HB具顯著上升,腎臟組織中之D-3HB/L-3HB的比值也明顯上升(5.70 ± 0.84 vs. 20.73 ± 6.18以及4.23 ± 0.66 vs. 14.40 ± 3.81; 正常組vs. GM 150 mg組以及正常組vs. GM 100 mg組, p < 0.05)。在GM+MET或GM+NAC組中D-3HB/L-3HB則顯著下降(20.73 ± 6.18 vs. 10.78 ± 1.79 vs. 6.09 ± 1.28; GM 150 mg組vs. GM+MET組vs. GM+NAC組, p < 0.05)。另一方面,GM+ATO的組別可明顯降低GM 100 mg組的D-3HB/L-3HB的數值(14.40 ± 3.81 vs. 5.47 ± 1.22; GM 100 mg組vs. GM+ATO組, p < 0.05)。
本研究顯示D-3HB/L-3HB的比值變化較濃度變化更能反映GM引起的腎損傷。
URI
https://203.71.86.71/handle/123456789/57665

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