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  3. .博碩士學位論文
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  5. MMP-1,-2,-9and TIMP-1,-2在肝臟纖維化及肝硬化的表現
 
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MMP-1,-2,-9and TIMP-1,-2在肝臟纖維化及肝硬化的表現

Type
thesis
Date Issued
2005
Author(s)
隋風采
Advisor
楊沂淵
楊培銘  
Subjects
系所名稱:醫學技術研究所
碩士論文
Publisher
醫學技術研究所
Abstract
慢性病毒性肝炎是一個全球性的健康問題,一般並無明顯症狀或只是輕微的症狀表現,卻可能持續性的使肝臟發炎和發展成肝臟纖維化,約有20-30% 的慢性肝病患者會導致肝硬化或肝細胞癌。肝硬化所引起之併發症常是肝病患者之主要死因,因此,肝硬化的早期診斷是非常重要的。由肝臟星狀細胞所分泌的細胞外間質在肝臟纖維化的過程中扮演重要的角色,特別是間質金屬性蛋白?(matrix metalloproteinase, MMPs)及金屬性蛋白?之組織抑制因子(tissue inhibitor of metalloproteinase, TIMPs)。我們收集了30個因肝細胞癌或轉移性肝癌而做過腫瘤切除手術之tumorus and non-tumorus的肝臟組織。我們將GAPDH、MMP-1, -2, -9 和TIMP-1, -2之mRNA以即時聚合?連鎖反應(real-time polymerase chain reaction)分別定量。根據METAVIR 分類系統將non-tumorus之肝臟組織依纖維化的程度分為F0-F4,同時偵測肝組織內hydroxylproline的分佈,評估collagen 在肝組織中的含量。MMP-9之mRNA表現在肝臟纖維化後期(F3 - F4)明顯高於肝纖維化前期 (F0 - F2)(p < 0.03),然而MMP-1, -2和TIMP-1, -2之mRNA表現在肝臟纖維化的分期中並無差異。肝臟組織中Hydroxylproline的分佈,在肝臟纖維化後期亦明顯高於肝纖維化早期(p < 0.05),並和TIMP-1(r=0.39, p=0.03),TIMP-2(r=0.39, p=0.03)呈現正相關。我們的實驗結果顯示,MMP-9 mRNA的表現在早期肝臟纖維化的診斷上扮演著重要的角色。
URI
https://203.71.86.71/handle/123456789/8515
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