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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
  4. 100學年度
  5. 骨橋蛋白、血管內皮生長因子、尿激酶型血纖維蛋白溶解酶原活化因子與酶原活化劑抑制劑第一型在惡性肋膜積水形成中扮演的角色
 
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骨橋蛋白、血管內皮生長因子、尿激酶型血纖維蛋白溶解酶原活化因子與酶原活化劑抑制劑第一型在惡性肋膜積水形成中扮演的角色

Other Title
Role of Osteopontin, Vascular Endotheliol Growth Factor, Urokinase-type Plasminogen Activator and Plasminogen Activator Inhibitor in Malignant Pleural Effusions
Type
thesis
Date Issued
2012-07-26
Author(s)
許珮綺
Advisor
高淑慧
Subjects
系所名稱:醫學檢驗暨生物技術學系
Publisher
醫學檢驗暨生物技術學系
Description
學位別:碩士
語文別:中文
指導教授:高淑慧
共同指導教授:
口試委員:趙湘台;陳玫潔
中文關鍵字:骨橋蛋白;血管內皮生長因子;尿激酶型血纖維蛋白溶解酶原活化因子;酶原活化劑抑制劑第一型
Abstract
肺癌與乳癌發展中末期常有惡性肋膜積水的發生,造成癌症病人的呼吸困難。惡性肋膜積水具有不同的特性及外觀,可以從血清狀自由流動甚或到血性多纖維沉澱。惡性肋膜積水的臨床處置經常需要治療性胸腔穿刺引流後,施行肋膜沾黏術以緩解病人症狀。但如此的處置成功機率不一,目前並無好的預測因子,亦無法延長病人的存活。因此發展有效的惡性肋膜積水治療方式有其必要性。已知肋膜腔內癌細胞可以分泌促生長的因子及增加蛋白水解以利於癌細胞的生長。而研究發現有些促生長的因子可以直接調節蛋白水解酶的表達及活性。血管內皮生長因子(vascular endothelial growth factor, VEGF)以及尿激酶型血纖維蛋白溶解酶原活化因子(urokinase-type plasminogen activator, uPA)被證實可以增加肋膜的通透性,造成惡性肋膜積水的累積,並且增加血管的通透性、促進癌細胞的增生及移行。而骨橋蛋白(osteopontin, OPN)被發現可以作用於肋膜細胞調控u-PA與VEGF的表達,進而影響惡性肋膜積水的生成。此外,肋膜腔內u-PA與其拮抗劑酶原活化劑抑制劑第一型(plasminogen activator inhibitor,PAI-1)的相對表現決定了肋膜腔內促凝血活性(procoagulant)及溶纖活性(fibrinolytic activities)的平衡。PAI-1的增加,雖可能造成惡性肋膜積水的膿液嚴重區隔(loculation)增加肋膜積水處理上的困難,但相反地,肋膜積水中內生性PAI-1的增加可預測病人後續施行肋膜沾黏治療 (pleurodesis)較高的成功率,或可阻絕癌細胞擴散帶來較高存活率,即良好預後因子。在此研究計畫,我們收集初診斷未經治療癌症病人之惡性肋膜積水檢體,測定惡性肋膜積水中OPN、VEGF、u-PA及PAI的含量。藉由分析追蹤惡性肋膜積水中OPN、VEGF、u-PA及PAI的含量,與病人癌症種類、癌症轉移性、年齡、性別分類,由結果得知,台灣肺癌與乳癌伴隨肋膜積水患者中,E2、VEGF與OPN與其癌症轉移性呈現正相關係數並同時有顯著差異性。
URI
https://203.71.86.71/handle/123456789/11176

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