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  3. .博碩士學位論文
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  5. 外泌體微RNA 對卵巢癌進展和藥物抗性的影響
 
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外泌體微RNA 對卵巢癌進展和藥物抗性的影響

Other Title
Effect of Exosomal MicroRNAs on Ovarian Cancer Progression and Drug Resistance
Type
thesis
Date Issued
2024-07-18
Author(s)
Ainani Priza Minhalina
Advisor
劉兆蓮
Subjects
系所名稱:醫學檢驗暨生物技術學系碩士班
Publisher
醫學檢驗暨生物技術學系碩士班
Description
學位別:碩士
關鍵字:Ovarian Cancer (OC); CD133; Exosomal microRNA; Tumor Progression; Spheres; Chemoresistance; miR-151a-5p; miR-3614-5p
論文公開日期:2024-07-30
Abstract
卵巢癌(OC)在婦科腫瘤學中是一個重大的臨床挑戰,其特點是通常無症狀的進展和高死亡率。本研究旨在闡明特定外泌體微RNA(exosomal miRNA),尤其是miR-151a-5p和miR-3614-5p,在不同SKOV-3細胞條件下分泌的外泌體 (exosome) 中提取的角色,包括SKOV3細胞 (SKOV-3-parental)、轉染CD133 基因的 SKOV3細胞(SKOV-3-CD133+)和SKOV3-CD133球體細胞 (SKOV-3-CD133-spheres)。探討miR-151a-5p和miR-3614-5p 如何影響腫瘤發生行為和藥物抗藥性的機制。實驗模型是使用人類卵巢癌細胞株SKOV-3和IGROV-1,其中通過慢病毒 (lentivirus) 轉染策略上調或下調miR-151a-5p和miR-3614-5p的表達水平。這一操作允許詳細評估它們在化療耐藥性和影響其他癌症相關表型(例如: 細胞遷移、侵襲和球體形成)中的作用。研究結果首先顯示,在 IGROV-1細胞中調降miR-151a-5p顯著增加了對紫杉醇 (paclitaxel) 的敏感性,伴隨著幹性標誌 (stemness marker) CD133水平的降低和腫瘤遷移活性的減少。這些觀察表明,miR-151a-5p在腫瘤發生和化療耐藥性中起著關鍵作用。這些初步發現強調了特定微RNA(miR-151a-5p)在OC發病機制和化療耐藥性中的重要影響,而miR-3614-5p在OC進展中的作用正在調查中。針對外泌體微RNA的策略成為緩解OC惡性特徵的一種可行方法。對各種細胞行為的差異影響凸顯了需要更全面的研究來解碼這些微RNA調節的錯綜複雜的分子通路,目標是改進治療策略以提高卵巢癌治療的臨床結果。
URI
https://203.71.86.71/handle/123456789/9608

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