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  5. Investigating the driving role of MCTP1 in therapy-induced neuroendocrine prostate cancer
 
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Investigating the driving role of MCTP1 in therapy-induced neuroendocrine prostate cancer

Other Title
Investigating the driving role of MCTP1 in therapy-induced neuroendocrine prostate cancer
Type
thesis
Date Issued
2023-07-19
Author(s)
PHAN VU THUY DUNG
Advisor
劉晏年
Subjects
系所名稱:癌症生物學與藥物研發研究所碩士班
Description
學位別:碩士
語文別:英文
口試委員:楊 培銘 Pei-Ming Yang;皇甫維君 Wei-Chun HuangFu;劉晏年 Yen-Nien Liu
授權範圍:網際網路,開放日期為2025-08-01
Abstract
中文摘要
神經內分泌分化前列腺癌是前列腺癌種類中的一種最致命性的亞型。臨床上神經內分泌分化前列腺癌很少見,主要病例記錄在治療抵抗性前列腺癌患者中,受到雄激素受體通路抑制療法所誘導的細胞系譜可塑性的結果。目前,針對神經內分泌前列腺癌患者沒有標準的治療方案或有效的診斷方法。鉑化合物化學療法藥物和腫瘤活檢是目前常規的神經內分泌分化前列腺癌治療和診斷方法,然而,神經內分泌分化前列腺癌仍然是前列腺癌種類中最致命的,患者存活不到一年。我們之前的研究結果說明,在晚期前列腺癌中MCTP1的表達上升,通過轉錄因子複合體ZBTB46/HIF1A/FOXA2 結合到MCTP1基因啟動子區域,調控增強MCTP1基因的轉錄作用。本研究進一步研究MCTP1與治療抵抗性相關的晚期前列腺癌,特別是在神經內分泌分化前列腺癌中的作用機轉。本研究觀察到在類內分泌分化細胞中 MCTP1 的表達增強,在雄激素受體治療抗藥性細胞中發現有神經內分泌分化特徵,並且發現抑制MCTP1 表達可以減少細胞的神經內分泌分化過程。有趣的是,表達增強的MCTP1與前列腺癌細胞內鈣離子表現呈正相關。機制上,MCTP1和 FYN之間的交互作用可能扮演重要角色,活化的MCTP1和 FYN可能與治療抵抗性相關的晚期前列腺癌形成有關,抑制這兩種蛋白質之一,可能抑制前列腺癌細胞中的神經內分泌分化進展。本研究提供了MCTP1在促進前列腺癌細胞在神經內分泌分化的關鍵作用,可能是通過與FYN蛋白的相互作用,並且可能調節細胞內鈣離子濃度。


關鍵詞: 神經內分泌分化前列腺癌;雄激素受體通路抑制療法;MCTP1;FYN
URI
https://handle.ncl.edu.tw/11296/8kw86e
https://203.71.86.71/handle/123456789/10105

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