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  5. 以AMPK活化為分子標靶的第二型糖尿病治療藥之研發
 
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以AMPK活化為分子標靶的第二型糖尿病治療藥之研發

Other Title
Development of therapeutic agents for type II DM by using AMPK as molecular target
Type
thesis
Date Issued
2007-06-13
Author(s)
陳韋陸
Advisor
李宏謨
Subjects
系所名稱:細胞及分子生物研究所
Description
學位別:碩士
語文別:中文
指導教授:李宏謨
共同指導教授:
口試委員:黃怡超;李美賢
中文關鍵字:糖尿病;過度糖化最終產物;AMP蛋白激酶
Abstract
AMP-activated protein kinase (AMPK)是一個感應細胞內能量代謝的一個關鍵的調控者,細胞藉著AMPK的活化而減少內臟脂肪及膽固醇的合成,並且抑制肝臟糖質新生,因此AMPK己被廣泛的認為是治療第二型糖尿病的分子標耙。為了找到一個可治療第二型糖尿病的潛力藥物,我們篩選了八十四種由中草藥分離出來的純化物。我們發現了一個編號為TMU023的純化物,可以刺激NRK52E細胞中AMPK的磷酸化,活化的AMPK也可以增加其下游受質acetyl CoA carboxylase (ACC)的磷酸化和NRK52E細胞的脂肪酸b-氧化作用。以PKA抑制劑(H-89)處理細胞後,可以有效的抑制TMU023所誘發的AMPK磷酸化、ACC磷酸化及 b-氧化作用,TMU023活化AMPK可能是透過PKA的訊息傳遞路徑。另外,由於高度醣化最終產物(Advanced glycosylation end products, 簡稱AGE)己知和各種糖尿病併發症的發生關係密切,所以我們發展了一項高通量篩檢法,進行糖尿病併發症治療藥物的研發,發現TMU023對過度糖化最終產物(AGE)的形成有抑制的作用。總而言之,我們的結果證實了,TMU023除了是AMPK的活化劑外,在體外的試驗中也可以有效的抑制AGE的形成,因此TMU023可能具當作治療第二型糖尿病的潛力。
URI
https://203.71.86.71/handle/123456789/12044
https://hdl.handle.net/11296/m3t6hd
File(s)
No Thumbnail Available
Name

C0183527.pdf

Size

8.49 MB

Format

Adobe PDF

Checksum

(MD5):9c7033b259963b996b218e83ec5a98ba

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