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  5. 探討 AMPK 磷酸化 KLF10 在非酒精性脂肪肝疾病 中調節脂肪新生成的機制
 
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探討 AMPK 磷酸化 KLF10 在非酒精性脂肪肝疾病 中調節脂肪新生成的機制

Other Title
Investigation of the mechanism of KLF10 regulate hepatic de novo lipogenesis through AMPK phosphorylation in nonalcoholic fatty liver disease
Type
thesis
Date Issued
2022-06-17
Author(s)
彭思瑗
Advisor
梁有志;張虹書
Subjects
系所名稱:醫學檢驗暨生物技術學系碩士在職專班
Publisher
醫學檢驗暨生物技術學系碩士在職專班
Description
口試委員:張虹書 CHANG, HUNG-SHU;陳玉華 CHEN, YU-HUA;吳信志 WU, XIN-ZHI;林俊茂 LIN, CHUN-MAO;梁有志 LIANG, YU-CHIH
網際網路,開放日期為2022-07-25
Abstract
非酒精性脂肪肝疾病是非因酒精及病毒導致的肝細胞中三酸甘油脂過度的積累,進而引發廣泛性肝臟細胞破壞的疾病統稱,它是由肝臟中脂肪合成和代謝之間的不平衡引起。根據初步的結果,與野生型小鼠相比,缺乏轉錄因子Krüppel-like factor 10 (KLF10)的小鼠發生更嚴重的肝臟脂肪變性和非酒精性脂肪性肝炎,病理包括肝細胞氣球樣病變(Hepatocellular ballooning)、小葉炎症(Lobular inflammation)、肝細胞損傷(Hepatocellular injury)。為了確認相關的生理信號傳導,進行了細胞及動物的實驗,先前實驗室研究確定KLF10是一種磷酸化蛋白,與AMP-activated protein kinase(AMPK)相關並被其進一步磷酸化。在染色質免疫沉澱芯片分析顯示磷酸化KLF10的新靶基因和信號級聯,觀察到sterol regulatory element-binding protein (SREBP)-1C作為該靶基因,受磷酸化KLF10通過啟動子結合進行調節。已知肝臟脂肪新生成在非酒精性脂肪肝疾病中對於脂肪蓄積不平衡的重要性,AMPK和SREBP-1C是肝臟脂質代謝的關鍵調節角色,這些發現驗證了AMPK-KLF10-SREBP-1C信號傳導對脂質代謝產生影響的位點及KLF10在慢性肝病發病機制中的重要性。
URI
https://handle.ncl.edu.tw/11296/hngdk5
https://203.71.86.71/handle/123456789/10878

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