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  5. 發展富含血小板血漿之明膠/透明質酸可注射水凝膠 於軟骨組織工程之應用
 
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發展富含血小板血漿之明膠/透明質酸可注射水凝膠 於軟骨組織工程之應用

Other Title
Development of injectable platelet-rich plasma-loaded gelatin/hyaluromic acid hydrogel for cartilage tissue engineering
Type
thesis
Date Issued
2018-01-17
Author(s)
張菀庭
Advisor
糜福龍
呂憲宗
Subjects
系所名稱:生醫材料暨組織工程研究所
Description
學位別:碩士
語文別:中文
指導教授:糜福龍
共同指導教授:呂憲宗
口試委員:何明樺;陳建和;莊爾元
中文關鍵字:骨關節炎;明膠;富含血小板血漿;梔子素;岩藻聚醣;玻尿酸;可注射性水凝膠
英文關鍵字:Osteoarthritis;Gelatin;latelet-rich plasma;Genipin;Fucoidan;Hyaluronic acid
Abstract
骨關節炎(osteoarthritis,OA)是一種慢性退化性疾病,是最常見的關節疾病,發病率高且易引起殘疾。OA 的症狀包括疼痛,滑膜炎症,關節僵硬和關節功能喪失。目前臨床上治療方式大致可分為通過藥理學和非藥理學方法的組合減輕症狀。而沒有完全治癒或逆轉該病症的治療方式。當藥物治療無法緩解疼痛時, 會通過直接注射玻尿酸(Hyaluronic acid ,OA)或富含血小板血漿(Platelet-rich plasma ,PRP)到關節的關節腔中,以替代或增強滑液的流變性質及促進軟骨增生, 來改善關節功能。近幾年臨床發現在關節腔中注射 PRP 確實會會促使軟骨增生, 但由於注射至關節腔中的 PRP 為流變性質,無法針對患部進行軟骨修復,且效果短暫。因此本篇研究利用明膠(Gelatin,GT)裡的胺基與梔子素(Genipin,GP)進行交聯形成膠體,再搭 HA 增加其膠體的黏度,最後混入 PRP 與小分子岩藻聚醣 (Fucoidan,FD)在 37℃下反應。利用 transwell 的方式將其已反應的混合膠體加入上層 insert 與軟骨細胞共同培養數天再進行細胞存活率及 RNA 分析,以評估 PRP 的增生率與水膠控制釋放的能力。本研究膠體之特色為可注射至患部,使其膠體黏著於患部後,運用其膠體的可生物降解特性,及 FD 穩定生長因子、清除自由基的特性,控制 PRP 穩定釋放來修復患部軟骨。實驗結果顯示小分子 FD 能有效清除發炎因子一氧化氮,而水膠包覆之 PRP 能有效釋放促進軟骨增生,證明有望後續應用至臨床治療。
URI
https://203.71.86.71/handle/123456789/58098

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