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  5. 具活性氧響應與一氧化氮釋放功能之褐藻醣奈米載體之開發
 
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具活性氧響應與一氧化氮釋放功能之褐藻醣奈米載體之開發

Other Title
Development of a Fucoidan-Based Nanocarrier with Reactive Oxygen Species Responsiveness and Nitric Oxide Release Capability
Type
thesis
Date Issued
2025-07-16
Author(s)
陳鈺玟
Advisor
糜福龍  
施俊哲  
Subjects
系所名稱:奈米醫學工程研究所碩士班
Publisher
奈米醫學工程研究所碩士班
Description
學位別:碩士
口試委員:糜福龍; 施俊哲; 鍾次文; 鄭財木; 鄭嘉雄
關鍵字:口服遞送、標靶遞送、褐藻醣、ROS響應、氣體治療
Abstract
慢性病灶微環境常伴隨過量活性氧累積,導致細胞功能受損與慢性發炎,進而抑制組織修復與血管新生。糖尿病相關重症肢體缺血(D-CLI)即為典型案例,屬高致殘與高死亡率的微血管疾病,患者常面臨截肢風險,然而,現有治療方式如血管重建手術與藥物治療,皆存在一定限制。傳統小分子藥物及蛋白藥物因體內不穩定、缺乏靶向性與生物可利用率低等限制,難以在缺血病灶中發揮長效治療作用。為改善此一困境,本研究設計一種具有活性氧清除與一氧化氮釋放功能的褐藻醣奈米藥物載體。該系統整合褐藻醣對P-選擇素的靶向能力、由聚精胺酸與硫縮酮鍵構成的活性氧響應複合物TK-R5,以及具有抗氧化能力的二氧化鈰奈米粒子,藉由自組裝形成穩定奈米結構,實現藥物釋放的刺激響應與微環境調節。本研究進一步探討該載體對小分子與蛋白藥物的包覆能力,並評估其在遞送過程中的穩定性與功能表現,期望提升藥物於病灶組織中的生物可利用率與治療效能。藉由清除過量活性氧並釋放NO氣體,有助於抑制發炎反應與氧化損傷,進而促進血管新生與組織修復,為D-CLI等慢性發炎缺血性疾病提供一項具有潛力性的奈米治療策略,拓展其在臨床應用上的發展可能。
URI
https://203.71.86.71/handle/123456789/9091

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