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  5. 發展抑制β-類澱粉蛋白聚集及組蛋白去乙醯酶之雙重抑制劑
 
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發展抑制β-類澱粉蛋白聚集及組蛋白去乙醯酶之雙重抑制劑

Other Title
Development of dual inhibitors of β-amyloid (Aβ) aggregation and histone deacetylase
Type
thesis
Date Issued
2017-07-12
Author(s)
陳俊詠
Advisor
黃偉展
Subjects
系所名稱:生藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:黃偉展
口試委員:翁靖如;許凱程
中文關鍵字:組蛋白去乙醯酶類澱粉蛋白
英文關鍵字:histone deacetylase;β-amyloid
Abstract
阿茲海默症為惡性神經性疾病,多好發於老年人,此疾病會造成病人大腦皮質及海馬迴萎縮,並隨著時間推移,症狀會越來越嚴重。雖然目前阿茲海默症尚未有明確的治療方式,且與疾病相關的病理生理學因素甚多,這些因素包含類澱粉蛋白 (β-amyloid ; Aβ) 堆積、Tau蛋白過度磷酸化、氧化壓力及神經系統損壞等因素。此外,組蛋白去乙醯酶 (Histone deacetylase ; HDACs) 扮演調控基因表現的重要角色,藉由組蛋白去乙醯化使得染色質更為緊密,基因無法複製及表現。我們利用多重標靶藥物設計觀念,本研究將具有潛力抑制Aβ聚集之吖啶(Acridine) 結構及HDACs抑製劑的Scaffold作結合,因此,開發一系列化合物並比較其不同亞型的組蛋白去乙醯酶的差異及選擇性,以及抑制Aβ1−42聚集和對Aβ1−42去除聚集之能力。結果顯示化合物10b及10h不只在酵素抑制活性上也同時在抑制Aβ1−42聚集有良好的效果,有趣的是,他們同時也具使Aβ1−42去除聚集的能力。以上結果證實,化合物10b及10h具有開發作為治療阿茲海默症用藥之潛力。
URI
https://203.71.86.71/handle/123456789/57763

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