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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. .93學年度
  5. 桿狀病毒生產基因工程蛋白及其功能研究
 
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桿狀病毒生產基因工程蛋白及其功能研究

Type
thesis
Date Issued
2005
Author(s)
林怡婷
Advisor
趙裕展
呂思潔
Subjects
系所名稱:細胞及分子生物研究所
Publisher
細胞及分子生物研究所
Abstract
利用桿狀病毒生產系統來生產基因工程蛋白,可以生產出大量欲研究未知功能蛋白,來瞭解其生物功能和活性。在本篇論文中使用兩種桿狀病毒生產系統,即AcMNPV和BmNPV,來生產豬的乳鐵蛋白、大腸桿菌的植酸酵素及蜂王漿中的一種小蛋白,apisimin。使用BmNPV生產系統的目的是為了日後可以在家蠶中大量生產並應用於豬的飼料添加物中來增強豬隻的抵抗力和減少排泄物的污染。在本篇論文中,以成功的在Ac和Bm系統生產出豬的乳鐵蛋白、大腸桿菌的植酸酵素和apisimin,並純化出apisimin來做相關實驗以瞭解生物活性。以桿狀病毒生產系統所生產出的植酸酵素,其酵素活性比用植物生產的要來的高; 在apisimin的生物活性試驗上,在免疫方面,對細胞沒有毒性,由ELISA的結果中發現對於TNF-?、IL1-?和IL-6的量有隨著濃度增加而增加,可以活化免疫反應; 在急性發炎反應下,經由LPS刺激後TNF-a隨著濃度增加而下降,但是在IL1-?和IL-6表現上,卻有隨著濃度增加而先升高再下降,由此判斷apisimin可能具有雙向調節的功能。在抗菌方面,在測試的11種菌株中並沒有發現有抑制細菌的功能,但是從清除自由基的能力來看,apisimin有清除自由基的能力,且有隨著濃度增加而上昇。由以上可以得知利用桿狀病毒生產外源蛋白,所生產出的蛋白是具有生物活性的,對於研究未知功能的蛋白是一個很好的工具。
URI
https://203.71.86.71/handle/123456789/8596
File(s)
No Thumbnail Available
Name

C0173733.pdf

Size

10.84 MB

Format

Adobe PDF

Checksum

(MD5):515d724125f18e1c545a699fde36c3d8

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