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  5. Lovastatin 與Alendronate藥物對於MC3T3-E1 細胞分化之調控作用
 
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Lovastatin 與Alendronate藥物對於MC3T3-E1 細胞分化之調控作用

Other Title
Regulatory Effect of Lovastatin and Alendronate on Differentiation of MC3T3-E1 Cells
Type
thesis
Date Issued
2011-06-29
Author(s)
林宜欣
Advisor
呂炫堃
Subjects
系所名稱:牙醫學系碩博士班
Description
學位別:碩士
語文別:中文
指導教授:呂炫堃
共同指導教授:
口試委員:汪棱芳;郭彥彬
中文關鍵字:雙磷酸鹽類;骨質疏鬆症;雙磷酸鹽類藥物之相關顎骨壞死;Alendronate藥物;Lovastatin藥物;前驅造骨細胞系;鹼性磷酸脢
Abstract
雙磷酸鹽類(Bisphosphonates)藥物臨床上用來治療骨質疏鬆症與其他骨質相關疾病治療,臨床上常發現牙科病人出現不良的副作用:“雙磷酸鹽類藥物之相關顎骨壞死(Bisphosphonate Related Osteonecrosis of the Jaw,BRONJ)”;Lovastatin藥物臨床上則用來降低膽固醇,同時也已知能增加造骨功能,以上兩種都為老年人常用藥。本實驗分析雙磷酸鹽類藥物Alendronate與Lovastatin對於前驅造骨細胞系”MC3T3-E1”的影響,假設Lovastatin會逆轉Alendronate對於此細胞分化之抑制作用。本實驗將細胞以這兩種藥物刺激,以定量即時聚合酶鏈鎖反應分析不同時間點之 Runx-2、Osterix、EphB4與Osteocalcin基因的表現,並進行鹼性磷酸脢之細胞染色。實驗結果發現Alendronate會在細胞分化的初期(第一天),Lovastatin則在細胞分化的後期(第五天),皆促進Runx-2與EphB4基因的表現。同時以兩種藥物刺激細胞,Lovastatin可能產生部分拮抗Alendronate的作用,但統計上無明顯差異。最後發現Runx-2與EphB4 兩種基因的表現,有顯著的高相關係數(r=0.94, p<0.01),暗示著EphB4可能受到Runx-2調控,而Osteocalcin和Runx-2與EphB4,同樣有顯著的中度相關性,暗示Osteocalcin受到Runx-2與EphB4的調控。由實驗結果推論,Alendronate會促進前驅造骨細胞系”MC3T3-E1”在蛻變期之分化。此外,臨床上同時服用兩種藥物的年長患者,或是出現BRONJ症狀的患者,Statin類藥物無法提升造骨細胞功能。
URI
https://203.71.86.71/handle/123456789/13431

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