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  5. 紅檜葉化合物對於HT-1080人類纖維肉瘤細胞MMP-2,-9表現之研究
 
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紅檜葉化合物對於HT-1080人類纖維肉瘤細胞MMP-2,-9表現之研究

Other Title
Studies on the Regulation of MMP-2, -9 in HT-080 Human Fibrosarcoma cells by Chemical Constituents of the Leaves of Chamaecyparis formosensis
Type
thesis
Date Issued
2012-06-19
Author(s)
張孟倫
Advisor
李慶國
Subjects
系所名稱:生藥學研究所
Publisher
生藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:李慶國
共同指導教授:蕭哲志
口試委員:吳永昌;郭曜豪
中文關鍵字:紅檜;金屬基質蛋白酶
Abstract
紅檜是台灣特有種植物,生長在高海拔地區,屬於長壽植物。這項研究的目的是利用高效液相層儀析結合活性導向(Bioassay-guided)的方法,利用半製備型高效液相層析儀進行紅檜葉乙酸乙酯層之活性成分純化、分離,並結合紅外線光譜、一維及二維核磁共振圖譜與質譜儀確定其結構。利用活性導向(Bioassay-guided)的方法,總共分離出37個化合物(HK1-HK37) ,其中包含4個倍半萜類化合物、13個雙萜類化合物、5個雙黃酮類化合物、4個木質素類化合物、3個黃酮類化合物、4個芳香環類化合物、2個脂肪酸及2個固醇類,上述37個化合物,其中倍半萜類化合物 HK2*、HK3*、HK4*,及雙萜類化合物HK14*為新化合物。
並將所分離出來的成分做MMP-2,-9活性篩選,以HT-1080人類纖維肉瘤細胞,進行凝膠電泳酵素分析方法(Gelatin-Zymograph), 做MMP-2,-9含量增減的評估,分析純化合物調節情形。發現化合物HK2*、 HK4* 、HK19、HK24、HK25、HK27 及HK28,在不同濃度下,對於MMP-2 ,-9有不同程度的增加。同時也利用MTT assay進行細胞存活率分析,發現活性化合物對HT-1080細胞沒有毒性,不影響所評估的MMP-2,-9之量。故期待從紅檜葉所分離出來的活性天然成分,在未來可做更進一步研究。
URI
https://203.71.86.71/handle/123456789/10981

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