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  5. 血小板濃厚血漿釋放生長因子的特性評估及其在攝護腺根除手術後勃起功能恢復的研究
 
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血小板濃厚血漿釋放生長因子的特性評估及其在攝護腺根除手術後勃起功能恢復的研究

Other Title
Characterization of platelet-rich plasma releasing growth factors and its application on recovery of erectile function during radical prostatectomy
Type
thesis
Date Issued
2011-07-19
Author(s)
吳宜娜
Advisor
何秀娥
Subjects
系所名稱:藥學研究所
Description
學位別:碩士
語文別:中文
指導教授:何秀娥
共同指導教授:
口試委員:蔡義弘;林山陽;江漢聲;許明照
中文關鍵字:陰莖勃起功能障礙;生長因子;血小板濃厚血漿;攝護腺根除手術
Abstract
攝護腺根除手術是侷限性攝護腺癌病患最佳的手術治療方式,然而進行攝護腺切除手術後,陰莖勃起功能障礙至今仍是患者最主要的併發症。血小板濃厚血漿含有許多自體的血小板生長因子,並被廣泛應用於再生醫學。所以本研究的目的主要探討血小板濃厚血漿釋放生長因子的生物特性並以神經損傷動物模式評估其對勃起功能恢復之效果。在本實驗中以酵素免疫吸附分析法 (ELISA) 定量血小板衍生生長因子 AB (PDGF-AB) 來評估抗凝血劑種類、活化因子種類及其濃度、溫度、作用時間與氯化鈣 (CaCl2) 影響血小板釋放生長因子的效果,並藉此建立最佳化的血小板濃厚血漿製備方法。結果顯示使用Anticoagulant Citrate Dextrose Solution A (ACD-A) 抗凝血劑製備血小板濃厚血漿後再以幾丁聚醣 (chitosan) 活化儲存在 -20℃、15天,相較於其他條件可以獲得較多的生長因子釋放。
接著我們建立海綿體神經損傷動物模式,將 18 隻 12 周齡的大鼠分為三組:一組進行假手術,一組進行損傷控制組,最後一組進行神經損傷後血小板濃厚血漿的治療。四週後,結果顯示使用血小板濃厚血漿治療的大鼠,海綿體內壓力相較於損傷控制組為高。組織染色結果顯示以血小板濃厚血漿治療,可以降低陰莖海綿體組織纖維化,同時保留較多的軸突髓鞘。基因表現結果顯示使用血小板濃厚血漿治療後亦可以降低 TGF-ß1 的表現量。這些結果顯示將血小板濃厚血漿應用於海綿體組織上可以促進勃起功能的恢復,在海綿體神經也有潛在的修復效果,可以提供血小板濃厚血漿未來在臨床上新的應用。
URI
https://203.71.86.71/handle/123456789/13654

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