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  5. 以片狀細胞工程重建兔角膜內皮組織
 
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以片狀細胞工程重建兔角膜內皮組織

Other Title
Reconstruction of rabbit corneal endothelium with cell sheet engineering
Type
thesis
Date Issued
2016-07-11
Author(s)
徐悅琪
Advisor
曾厚
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:曾厚
共同指導教授:
口試委員:黃義侑;麥富德
中文關鍵字:角膜內皮細胞;聚偏氟乙烯;聚麩胺酸;片狀細胞工程
英文關鍵字:corneal endothelial cell;polyvinylidene fluoride;γ-polyglutamic acid;cell sheet engineering
Abstract
人類角膜內皮細胞在體內的增生能力十分有限,而角膜內皮細胞密度依年齡增加而逐漸減少,且一旦損傷則不能再生,當細胞密度下降達一定程度時,角膜內皮組織的房水屏障及排水生理功能將無法發揮,因而有可能導致角膜水腫、混濁,甚至可能視覺喪失。在目前臨床上,傳統的全層角膜移植術是以全層透明的角膜來置換混濁或病變的角膜,而大部分的角膜移植術是執行在僅角膜內皮細胞受損的病患上,若是能以體外大量培養人類演角膜內皮細胞進行受損角膜內皮組織之置換,則可以改善捐贈角膜全球捐贈角膜來源短缺之問題。本研究之目的即是以新式片狀細胞工程培養兔角膜內皮細胞層片,以開發一新穎性治療法進行眼組織重建。首先,根據電漿化學反應設計一套兩階段的材料表面改質方法,以製備聚麩胺酸(γ-polyglutamic acid)高分子接枝表面,並應用於兔角膜內皮細胞之培養。將兔角膜內皮細胞培養於聚麩胺酸/聚偏氟乙烯(polyvinylidene fluoride)薄膜上,兩周後,長滿之細胞可經由還原劑作用使片狀細胞脫著於基材。之後針對此人工片狀角膜內皮的體外性質以組織學、免疫組織化學染色以及存活率試驗進行評估是否能做為天然組織替代物,期望將來可以此一新療法未來可以應用於眼組織再生重建及臨床治療上。
URI
https://203.71.86.71/handle/123456789/57571

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