Mineralization and Expression of Col1a1-3.6GFP Transgene in Primary Dental Pulp Culture
2009
We have examined and compared the effects of various differentiation-inducing media on mineralization, cell morphology and expression of pOBCol3.6GFP (3.6-GFP) in primary dental pulp cultures derived from 3.6-GFP transgenic mice. Our results show that media containing ascorbic acid only could not induce mineralization in primary dental pulp cultures. On the other hand, media containing ascorbic acid and β-glycerophosphate induced formation of mineralized matrix-containing dentin. The amount of mineralized matrix was increased by addition of dexamethasone. Cells treated with ascorbic acid and β-glycerophosphate were fibroblast like and cells treated with dexamethasone were cuboidal. In all culture conditions, high levels of 3.6-GFP were expressed in areas of mineralization
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