純鈦表面氨基等離子體改性對MG-63細(xì)胞成骨特性的影響
[Abstract]:Aim: to study the effect of pure titanium tablets treated with different amino plasma polymerization methods on the expression of osteogenic characteristics of MG-63 cells. Methods: the surface of pure titanium sheet was modified by cw,p (10%), p (30%), p (60%), cw p (30%) with five different amino plasma polymerization methods. After co-culture with MG-63 cells, the activity of ALP was detected at 1 d, 4 d and 7 d, respectively. The mineralized nodules were stained on the induction medium of mineralization for 14 days, and the concentration of osteocalcin and the expression of RUNX-2 were detected at 7 d. Results: 1. The modification of amino plasma polymerization did not promote the ALP activity of MG-63 cells in the early stage of adhesion, but increased the formation of ALP significantly when the cells entered the proliferative phase. 2. The modification of amino plasma polymerization on MG-63 cells co-cultured on the surface of pure titanium increased the mineralization of extracellular matrix, formed more calcium salt deposition, and further promoted the process of osteogenesis under the action of mineralized induction medium. 3. The modification of amino plasma polymerization promoted the formation of osteocalcin in MG-63 cells cocultured on the surface of pure titanium. 4. The modification of amino plasma polymerization significantly increased the expression of osteoblast-associated gene (RUNX-2) in MG-63 cells co-cultured on the surface of pure titanium, activated the osteoblast pathway in the direction of osteogenesis, and promoted osteogenesis from many aspects. Conclusion 1. The modification of amino plasma polymerization can increase the expression of osteogenic characteristics of MG-63 cells on the surface of pure titanium. 2. The pure titanium sheet modified by p (60%) method of amino plasma polymerization is the most outstanding and has the most remarkable superiority.
【學(xué)位授予單位】:吉林大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:R783.6
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