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  5. 骨髓間質幹細胞併合富含血小板纖維蛋白促進骨組織再生-以兔子為實驗動物
 
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骨髓間質幹細胞併合富含血小板纖維蛋白促進骨組織再生-以兔子為實驗動物

Other Title
Functionalized bone-graft substitutes with platelet-rich fibrin and bone marrow-derived mesenchymal stem cells for enhanced bone tissue regeneration-with rabbit animal model
Type
thesis
Date Issued
2017-01-12
Author(s)
林明正
Advisor
陳錦松
Subjects
系所名稱:醫療器材產業碩士專班
Description
學位別:碩士
語文別:中文
指導教授:陳錦松
口試委員:洪景明;歐士輔
中文關鍵字:富含血小板纖維蛋白;骨髓間質幹細胞;支架
英文關鍵字:platelet-rich fibrin;bone marrow-derived mesenchymal stem cells;Scaffold
Abstract
多孔性的補骨材料,因為具有極佳的生物活性,生物相容性,還有骨質生成傳導活性,所以在骨組織的再生上扮演了極重要的角色。本研究探討是否骨粉成分(BG),三鈣磷酸鹽/烴磷灰石(beta-TCP/HA)(40/60)的合成物,與富含血小板纖維蛋白(PRF)與骨髓間質幹細胞(BMSCs)以及/或明膠-軟骨素-透明質酸的三合聚合體支架Scaffold能促進骨頭的再生。在骨頭創傷後,這四組不同的處置治療之間,包括(Ⅰ)BG+PRF骨粉+富含血小板纖維蛋白,(Ⅱ)BG+PRF+BMSCs骨粉+富含血小板纖維蛋白+骨髓間質幹細胞,(Ⅲ)BG+Scaffold,骨粉+明膠-軟骨素-透明質酸的三合聚合體支架(Ⅳ)BG+Scaffold+BMSCs骨粉+明膠-軟骨素-透明質酸的三合聚合體支架+骨髓間質幹細胞,是否能有更快速的新骨再生比較。
MSCs間質幹細胞是由兔子的股骨骨髓所取得,並加以純化製備而來。在兔子的兩側下顎骨角各做成一個直徑5公厘全厚度的骨缺損。不同組別的骨缺損處置如下:第一組(數目為三),BG骨粉1.7克和0.78立方公分的PRF富含血小板纖維蛋白。第二組(數目為四)BG骨粉1.7克加0.78立方公分的PRF富含血小板纖維蛋白以及2乘以10的6次方BMSCs骨髓間質幹細胞的混合物。第三組(數目為三)BG骨粉1.7克加大約0.78立方公分的Scaffold明膠-軟骨素-透明質酸的三合聚合體支架。第四組(數目為四)BG骨粉1.7克加0.78立方公分的Scaffold明膠-軟骨素-透明質酸的三合聚合體支架以及2乘以10的6次方BMSCs骨髓間質幹細胞的混合物。在術後的三個月犧牲兔子動物已取得檢體。在植入區分別以肉眼,組織切片以及X光片加以檢查評估。
組織切片的檢查評估顯示第二組及第四組有典型的骨組織修復。相反的,第一組及第三組僅有少許的骨形成且伴隨纖維性的連接。BG+PRF+BMSCS骨粉+富含血小板纖維蛋白+骨髓間質幹細胞移植有最好的骨聯合。第二為BG+Scaffold+BMSCs骨粉+明膠-軟骨素-透明質酸的三合聚合體支架+骨髓間質幹細胞。第三為BG+Scaffold,骨粉+明膠-軟骨素-透明質酸的三合聚合體支架。最後為BG+PRF骨粉+富含血小板纖維蛋白。在實驗組與控制組之間則存在著統計學上的差異。
實驗證明PRF+BMSCS富含血小板纖維蛋白+骨髓間質幹細胞移植在骨質再生方面有好的潛力。在極端條件的下顎骨缺損骨粉移植治療上,是一個新的替代治療技術。
URI
https://203.71.86.71/handle/123456789/57977

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