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KMID : 1034820060020020097
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Molecular & Cellular Toxicology
2006 Volume.2 No. 2 p.97 ~ p.105
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Biological Effects of Ceramic-coating on Titanium
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Sohn Sung-Hwa
Lee Jae-Bum
Kim Ki-Nam
Kim Hye-Won
Kim In-Kyoung
Lee Seung-Ho
Seo Sang-Hui
Kim Yu-Ri
Lee Seung-Min
Shin Sang-Wan
Ryu Jae-Jun
Kim Meyoung-Kon
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Abstract
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Several features of the implant surface, such as roughness, topography, and composition play a relevant role in implant integration with bone. This study was conducted in order to determine the effects of ceramic-coatings on Ti surfaces on the biological responses of a human osteoblast-like cell line (MG63). MG63 cells were cultured on Zr (Zrconium-coated surface), Nb (Niobium-coated surface), and control (Uncoated Titanium) Ti. The morphology of these cells was assessed by SEM. The cDNAs prepared from the total RNAs of the MG63 were hybridized into a human cDNA microarray (1,152 elements). The appearances of the surfaces observed by SEM were different on each of the three dental substrate types. MG63 cells cultured on Zr, Nb and control exhibited cell-matrix interactions. In the expression of several genes were up-, and down-regulated on the different surfaces. The attachment and expression of key osteogenic regulatory genes were enhanced by the surface morphology of the dental materials used.
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KEYWORD
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Titanium, Zr coating, Nb coating, Gene expression profiling, cDNA microarray
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