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  5. 單核球類幹細胞於皮膚修復之應用
 
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單核球類幹細胞於皮膚修復之應用

Other Title
Monocyte-derived stem-like cells as a new therapeutic approach for skin regeneration
Type
thesis
Date Issued
2013-06-19
Author(s)
江育旻
Advisor
鄧文炳
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:鄧文炳
共同指導教授:
口試委員:張文昌;張明熙
中文關鍵字:單核球, 單核球類幹細胞, 皮膚修復
Abstract
本實驗研究目的是探討單核球類幹細胞對皮膚再生之影響。第一階段為建立單核球類幹細胞之培養系統。將老鼠之周邊血經磁珠分離法得到高度專一性的單核球細胞並經細胞膜表面抗原及分化定性確認後,再培養至含有纖維連接蛋白(Fibronectin)之培養皿,並以幹細胞相關基因、群落形成率及中胚層分化細胞監測得該細胞特性。過去文獻指出,幹細胞及其培養基均能有效促進皮膚再生之修復,其中轉化生長因子-β1(Transforming Growth Factor-β1, TGFβ1)為主要調控之生長因子,並於本實驗結果發現我們所分離出之單核球類幹細胞具有相當強之TGFβ1表現。鑑此,本研究第二階段建立單核球類幹細胞及其培養基於皮膚再生之修復模式。此階段實驗共分成美白、傷口修復及抗皺紋三方面進行。本實驗結果證實:在美白方面:單核球類幹細胞能減少黑色素含量,同時在黑色素相關基因表現上能抑制黑色素生成之下游基因TRP-1(Tyrosinase related protein 1)表現;在傷口修復上,單核球類幹細胞之培養基經量化評分傷口修復程度後證實能降低發炎反應促進傷口的癒合;抗皺方面,注射過單核球類幹細胞培養基的老化老鼠經Masson染色後顯示膠原蛋白含量增加,皺褶與對照組相對較少。藉由此初步平台的建立,未來可再經長期研究單核球類幹細胞對於不同疾病模式的動物的影響,並分析單核球類幹細胞之細胞分泌激素,建立老鼠至人類的單核球之研究應用平台,最終利用於人類之臨床治療上。
URI
https://203.71.86.71/handle/123456789/13774

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