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  5. 探討Dipyridamole 在 Anti-Thy-1抗體引發腎絲球腎炎動物模式中的抗發炎功能
 
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探討Dipyridamole 在 Anti-Thy-1抗體引發腎絲球腎炎動物模式中的抗發炎功能

Other Title
The anti-inflammatory effects of dipyridamole in anti-Thy-1 antibody induced Glomerulonephritis
Type
thesis
Date Issued
2007-01-11
Author(s)
黃國棟
Advisor
李宏謨
Subjects
系所名稱:醫學檢驗生物技術學研究所
Description
學位別:碩士
語文別:中文
指導教授:李宏謨 教授
共同指導教授:洪冠予 副教授
口試委員:何元順 教授
中文關鍵字:腎絲球腎炎;抗發炎
Abstract
Anti-thy-1 抗體所引發的腎絲球腎炎,是一種常被引用來研究腎環門間質細胞( Mesangial cell )增生性腎絲球腎炎的動物模式。Dipyridamole是一種phosphodiesterase抑制劑,臨床上曾被用來治療由絲球體腎炎所引起的蛋白尿。然而,Dipyridamole於臨床上的治療機制目前尚未完全明瞭。由實驗室先前的研究顯示;發現到,施打anti-Thy-1抗體所引發的急性腎絲球腎炎,其症狀會出現明顯蛋白尿、ED(+)巨噬細胞移行、浸潤、及中度的PCNA(+)細胞增生。以上這些症狀經由Dipyridamole( 5mg/kg )治療的大鼠實驗可明顯觀察到抑制情形。TGF-β對於調控細胞外基質-collegen、fibronectin的分泌具重要的關鍵。我們也測試了Dipyridamole對於TGF-β表現和細胞間質增生、堆積的抑制,是否有相同的效果。由PAS score增加顯示;經由施打anti-Thy-1抗體所引發的少量腎絲球TGF-β增生和細胞基質堆積,以Dipyridamole治療後,發現在腎絲球PAS score和TGF-β表現有明顯的減少。 Heme-oxygenase-1(HO-1)是一種生理性壓力指標,Thy-1抗體所引起的HO-1表現會增加,在Dipyridamole治療後也會受到抑制。Osteopontin(OPN) 是一種bone sialoprotein,也曾被報導和腎臟纖維化有關。我們研究了OPN 在Thy-1抗體引發的腎炎所扮演的功能,發現OPN是一種組織的組成物質,於正常腎臟的腎小管、鮑氏囊體、及亨利氏環均有存在。施打anti-Thy-1抗體後於腎小管位置OPN有顯著的增加,但在絲球體卻沒有發現。所以,OPN不是和Thy-1產生的腎炎及腎纖維化有相關性。本實驗所使用Dipyridamole治療由Thy-1引起的OPN表現,於腎小管位置有發現受到抑制,但於腎小球沒有發現。綜合以上的報告,Dipyridamole 治療由anti-Thy-1引起的腎絲球腎炎蛋白尿,具有抑制的功效。
URI
https://203.71.86.71/handle/123456789/12170
https://hdl.handle.net/11296/694fqn
File(s)
No Thumbnail Available
Name

C0179744.pdf

Size

12.91 MB

Format

Adobe PDF

Checksum

(MD5):9d04fdd04136664a6ac08d92cf3ae1d7

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