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  5. Nodal在人類惡性神經膠質瘤細胞調控細胞侵襲與增生所扮演的角色
 
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Nodal在人類惡性神經膠質瘤細胞調控細胞侵襲與增生所扮演的角色

Other Title
Role of Nodal in regulating cell invasiveness and growth in human glioma cells
Type
thesis
Date Issued
2008-07-02
Author(s)
賴璟暉
Advisor
李宏謨
Subjects
系所名稱:醫學科學研究所
Description
學位別:碩士
語文別:中文
指導教授:李宏謨
共同指導教授:
口試委員:何元順;葉添順
中文關鍵字:人類惡性神經膠質瘤細胞
Abstract
人類惡性神經膠質瘤細胞的特性是不受調控的快速增生和強烈的侵襲能力。本研究証實在不同的人類惡性神經膠質瘤細胞株有不同的增生速率和侵襲能力,而Nodal的蛋白質和mRNA表現跟細胞的增生及侵襲有正相關性。我們發現給予Nodal重組蛋白會造成的細胞的MMP-2活性和侵襲能力增加,顯示Nodal可能會調控細胞的MMP-2活性和侵襲能力。對人類惡性神經膠質瘤使用siRNA減低Nodal的表現則能有效的降低MMP-2活性和減低細胞的侵襲能力,並可以減緩腫瘤的增生與延長老鼠的存活率。這些結果顯示Nodal在人類惡性神經膠質瘤細胞增和和侵襲扮演重要角色。在使用MAPK的抑制劑或過度表現MKP-1,均可減少Nodal的產生。相反的,轉殖dominant negative MKP-1則無此效應。綜合以上結果可以得知,Nodal的訊息路徑在人類惡性神經膠質瘤細胞進程中扮演非常重要角色,而MKP-1可以調控經由Nodal所誘發的人類惡性神經膠質瘤細胞侵襲及增生當做重要治療標靶。
URI
https://203.71.86.71/handle/123456789/12695
https://hdl.handle.net/11296/29k86r
File(s)
No Thumbnail Available
Name

C0187214.pdf

Size

5.27 MB

Format

Adobe PDF

Checksum

(MD5):c3fc06a36da0fd36f442fb58afc00a45

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