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  5. 探討轉錄因子Prdm16蛋白亞型於棕色脂肪細胞分化時之調控機制與其對棕色脂肪細胞發展與功能之影響
 
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探討轉錄因子Prdm16蛋白亞型於棕色脂肪細胞分化時之調控機制與其對棕色脂肪細胞發展與功能之影響

Other Title
The impact of Prdm16 variants on brown adipogenesis and the regulatory mechanism involved in Prdm16 splicing
Type
thesis
Date Issued
2017-07-04
Author(s)
祁意霖
Advisor
林榮俊
Subjects
系所名稱:醫學檢驗暨生物技術學系所
Description
學位別:碩士
語文別:中文
指導教授:林榮俊
口試委員:葉添順;梁有志
中文關鍵字:替代性剪接;棕色脂肪;第四號核糖核酸結合蛋白;Prdm16
英文關鍵字:Alternative splicing;brown adipocytes;RBM4;Prdm16
Abstract
訊息 RNA (mRNA) 藉由替代性剪接 (alternative splicing) 延展其基因多樣性,並調控細胞特定生理功能,然而替代性剪接對棕色脂肪之影響尚有許多不明之處。PR domain-containing16 (Prdm16) 是一個轉錄因子,為棕色脂肪發育過程中不可或缺的蛋白。藉由深度 RNA 定序結果發現在棕色脂肪發育過程中,Prdm16 表達不同的轉錄體亞型。此外,RNA 定序結果也指出在 RBM4 缺失之小鼠展現不同的替代性剪接模式。在本篇研究中,我們探討了 Prdm16 及其亞型對棕色脂肪發育或功能之影響,同時更進一步研究 RBM4 參與其中的 Prdm16 替代性剪接之調控機制。經由統計結果分析,本論文發現,Prdm16 亞型蛋白確實能促使細胞分化為棕色脂肪細胞,不同時期的棕色脂肪組織或體外的棕色脂肪分化模式中發現 Prdm16 在不同時期具有不同的替代性剪接模式。此外,RBM4 藉由後轉錄調控 Prdm16 的替代性剪接,並且 Prdm16 亞型蛋白能促進 RBM4 promoter 之活性。總而言之,我們推論 Prdm16 透過 RBM4 調控其替代性剪接參與棕色脂肪細胞的發育與分化的過程。
URI
https://203.71.86.71/handle/123456789/57959

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