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  5. 粒線體內肝醣合成?激?3beta蛋白質複合體之蛋白質體研究
 
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粒線體內肝醣合成?激?3beta蛋白質複合體之蛋白質體研究

Other Title
Proteomic analysis of mitochondrial proteins form complex with glycogen synthase kinase 3beta
Type
thesis
Date Issued
2006
Author(s)
聶亨祿
Advisor
李宏謨
Subjects
系所名稱:細胞及分子生物研究所
Abstract
肝醣合成?激?3beta,被認為是調控細胞內糖類代謝的關鍵性激?。近來在研究上發現到肝醣合成?激?3beta在細胞受到刺激時會進入粒線體中,而粒線體在細胞的能量代謝及生死調控扮演了無比重要的角色,但肝醣合成?激?3beta於粒線體中執行何種功能並未被研究闡明。由於粒線體中的蛋白質都以蛋白質複合體的形式存在,所以本研究假設肝醣合成?激?3beta於粒線體內亦是以蛋白質複合體的形式存在。所以實驗設計利用免疫沉澱法結合二維電泳分離粒線體中與肝醣合成?激?3beta交互作用的蛋白質,在二維電泳膠片上發現到28個蛋白質點;而後利用基質輔助雷射吸附飛行時間質譜儀分析鑑別這些蛋白質,經資料庫的分析比對後整理出12個蛋白質分子。4個蛋白質是參與於代謝路徑及克氏循環中的酵素為glyceraldehydes-3-phosphate dehydrogenase, isocitrate dehydrogenase, glutamine synthetase, 和dihydrolipoyl dehydrogenase(pyruvate dehydrogenase subunit)4個蛋白質點是電子傳遞鏈氧化磷酸化複合體NADH-ubiquinone oxidoreductase MLRQ subunit (complex I),ATP synthase-alpha, beta and O subunit (complex V)。而最後4個蛋白質為被報導過參與細胞生死調控與粒線體增生的蛋白voltage-dependent anion-selective channel 1 (VDAC-1),mitochondrial elongation factor Tu,cofilin和prohibitin;綜合以上的發現可以為繼續去探索肝醣合成?激?3beta調控細胞能量代謝與細胞凋亡的機制提供更多線索。
URI
https://203.71.86.71/handle/123456789/12323
File(s)
No Thumbnail Available
Name

C0178779.pdf

Size

10.69 MB

Format

Adobe PDF

Checksum

(MD5):89d1b2f36dbcb03ea3a552ea04d6be93

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