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  5. MicroRNA-1調控LITAF過度表現誘使胃癌細胞的生長與侵犯
 
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MicroRNA-1調控LITAF過度表現誘使胃癌細胞的生長與侵犯

Other Title
LITAF overexpression regulated by MicroRNA-1 induced gastric cancer cell growth and invasion
Type
thesis
Date Issued
2022-07-01
Author(s)
陳彥志
Advisor
鄭朝文
Subjects
系所名稱:臨床醫學研究所碩士班
Publisher
臨床醫學研究所碩士班
Description
口試委員:鄭朝文 CHENG, CHAO-WEN;張御展 CHANG, YU-CHAN;高偉育 KAO, WEI-YU;張哲菖 CHANG, CHE-CHANG;蔡國旺 TSAI, KUO-WANG
網際網路,開放日期為2022-07-18
Abstract
研究目的: 在許多的發炎性疾患都可以觀察到Lipopolysaccharide-induced tumor necrosis factor alpha factor (LITAF)基因的過度表現。此外,LITAF在過多被視為抑癌基因,在許多癌症組織都可觀察LITAF的低表現量。但在胃癌細胞中關於LITAF的可能作用及其機轉,以及胃幽門螺旋桿菌感染與LITAF的關係仍然不明。在此研究中,我們探討LITAF基因在胃癌細胞中之表現並研究microRNA-LITAF axis在胃癌細胞中之表現,及其臨床意義。
研究方法:我們首先藉由real-time PCR 的方法以及使用本院生物資料庫及公開資料庫的檢體及資訊,探討LITAF 在胃癌細胞中之表現及其臨床意義。其次,我們以proliferation assay, colony formation assay, migration and invasion assay 驗證LITAF對胃癌細胞之生長能力與移動性之影響,並以luciferase reporter, western blot and real-time PCR等方法探討miR-1-3p與LITAF之交互影響及其機轉。
結果:相較於正常細胞,胃癌細胞的LITAF之表現顯著升高。而較高的LITAF表現量也被證實與較差的預後,較嚴重的癌症期別與較短的生存期相關。我們也發現miR-1-3p可與LITAF mRNA的3′-UTR結合並抑制胃癌細胞的增生予移行侵犯能力。
結論:在胃癌細胞中,miR-1-3p的低表現量造成LITAF的高表現進而影響胃癌的預後。此發現可作為將來治療的目標進而改善胃癌治療的預後。
關鍵字:胃癌,LITAF,microRNA-1
URI
https://handle.ncl.edu.tw/11296/ysjp5q
https://203.71.86.71/handle/123456789/10751

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