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  2. .TMU Publications / 北醫出版品(教師升等著作 / 教學實踐 / 學位論文)
  3. .博碩士學位論文
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  5. 二氫比啶誘發之牙齦母細胞過度增生機轉中 PI3K/Akt/NF-κB/AR 途徑之確 立,以及組蛋白去乙醯化酵素抑制劑 Trichostatin A (TSA) 對於核轉錄因子及 睪固酮啟動子結合之影響
 
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二氫比啶誘發之牙齦母細胞過度增生機轉中 PI3K/Akt/NF-κB/AR 途徑之確 立,以及組蛋白去乙醯化酵素抑制劑 Trichostatin A (TSA) 對於核轉錄因子及 睪固酮啟動子結合之影響

Other Title
The establishment of PI3K/Akt/NF-κB/AR axis and the association of trichostatin A (TSA) with the binding of NF-κB and AR promoter in dihydropyridine-induced gingival overgrowth (DIGO) fibroblasts
Type
thesis
Date Issued
2011-06-29
Author(s)
李佳霖
Advisor
呂炫堃
Subjects
系所名稱:牙醫學系碩博士班
Description
學位別:碩士
語文別:中文
指導教授:呂炫堃
共同指導教授:
口試委員:汪棱芳;鄭景暉
中文關鍵字:睪固酮接受器;人類牙齦母細胞;核轉錄因子;組蛋白去乙醯化酵 素抑制劑
Abstract
本研究藉由原代培養人類二氫比啶誘發過度增生之牙齦母細胞 (Dihydropyridine-induced gingival overgrowth〔DIGO〕 fibroblasts) 與健康之牙齦母細胞,經白介素 1 beta(Interleukin-1β〔IL-1β〕)與二 氫比啶(dihydropyridine)之刺激,利用 Phosphatidylinositol 3-kinase (PI3K)抑制劑 LY294002,以西方墨點法(Western blot)、電泳流動性班 次檢驗(Electrophoretic mobility shift assay〔EMSA〕),確立二氫比啶 誘發牙齦母細胞過度增生之作用機轉。更進一步於人類二氫比啶誘發過度增生 之牙齦母細胞,經白介素 1 beta 與二氫比啶之刺激,探討組蛋白去乙醯化酵 素抑制劑 Trichostatin A(TSA)於作用機轉中所扮演的角色。藉由西方墨點 法和膠原蛋白定量測定(Sircol collagen assay),確立組蛋白去乙醯化酵 素抑制劑 TSA 會造成睪固酮接受器(Androgen receptor〔AR〕)和膠原蛋白 (collagen)生成之減少,並利用染色質免疫沈澱技術(Chromatin immunoprecipitation technique),進一步驗證組蛋白去乙醯化酵素抑制劑 TSA 會降低核轉錄因子(Nuclear factor-κB〔NF-κB〕)與睪固酮接受器啟 動子(AR promoter)於細胞核內之結合。本實驗結果確立二氫比啶誘發增生 之牙齦母細胞中,PI3K/Akt/NF-κB/AR 之作用機轉,並證實利用 TSA 可有效 抑制 NF-κB 與 AR promoter 之接合,進而調控膠原蛋白之生成。
URI
https://203.71.86.71/handle/123456789/13430

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