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  5. 利用太平洋紫杉醇治療胃癌轉移與胃癌轉移相關基因之研究
 
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利用太平洋紫杉醇治療胃癌轉移與胃癌轉移相關基因之研究

Other Title
Studies of Gastric Tumor Metastasis-Associated Genes and Paclitaxel Treatment on Gastric Tumor Metastasis
Type
thesis
Date Issued
2013-01-09
Author(s)
段宗帆
Advisor
黃玲玲
Subjects
系所名稱:醫學科學研究所
Description
學位別:博士
語文別:英文
指導教授:黃玲玲
共同指導教授:陳炯東
口試委員:李易展;李文森;阮淑慧;施能耀;蕭哲志
中文關鍵字:癌症;腫瘤;轉移;正位;胃;太平洋紫杉醇;腹腔內;瀰漫;微陣列
Abstract
胃癌是造成癌症死亡的疾病之一,臨床上證實擴散型(diffuse type)胃癌細胞會轉移至腹腔及肝臟,是造成胃癌死亡的主要原因。在這篇研究中,探討靜脈注射太平洋紫杉醇(paclitaxel)在擴散型胃癌細胞轉移上的治療效果,並利用該細胞找出可能與胃癌轉移有關的基因。藉由動物及Transwell®篩選系統,本研究利用持續有綠色螢光(GFP)表現的MKN45擴散型胃癌細胞建立具有高轉移能力的細胞亞株,分別為MKN45-GFP-ip4、MKN45-GFP-4、MKN45-GFP-10及MKN45-GFP-12。其中MKN45-GFP-ip4及MKN45-GFP-12相較於其他細胞亞株有很高的轉移能力。MKN45-GFP-ip4細胞亞株被用來評估靜脈注射太平洋紫杉醇在治療胃癌轉移上的效果,發現該治療方式能夠有效抑制擴散型胃癌的轉移。另一方面,利用互補去氧核醣核酸微陣列(cDNA microarray)分析MKN45-GFP、MKN45-GFP-4、MKN45-GFP-10及MKN45-GFP-12細胞亞株的全基因訊息核糖核酸(mRNA)表現量,藉此找出基因表現與細胞轉移能力的關係。研究發現有許多可能與擴散型胃癌細胞轉移有關的基因表現特殊,其中包含從未發現或研究過的新基因。這些基因及蛋白質產物將可進一步用來研究其與癌症轉移的機轉,藉由分析病患組織的分子資訊、基因轉譯及蛋白質表現,這些基因可能成為有用的生物標記,用來評估、治療及預防胃癌。更重要的是,可以利用這些分子標記研究與開發治療胃癌轉移的藥物。
URI
https://203.71.86.71/handle/123456789/13916

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