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EnglishIn this study, starting from human dental pulp cells cultured in vitro, we simulated reparative dentinogenesis using a medium supplemented with different odontogenic inductors. The differentiation of dental pulp cells in odontoblast-like cells was evaluated by means of staining, and ultramorphological, biochemical and biomolecular methods. Alizarin red staining showed mineral deposition while transmission electron microscopy revealed a synthesis of extracellular matrix fibers during the differentiation process. Biochemical assays demonstrated that the differentiated phenotype expressed odontoblast markers, such as Dentin Matrix Protein 1 (DMP1) and Dentin Sialoprotein (DSP), as well as type I collagen. Quantitative data regarding the mRNA expression of DMP1, DSP and type I collagen were obtained by Real Time PCR. Immunofluorescence data demonstrated the various localizations of DSP and DMP1 during odontoblast differentiation. Based on our results, we obtained odontoblast-like cells which simulated the reparative dentin processes in order to better investigate the mechanism of odontoblast differentiation, and dentin extracellular matrix deposition and mineralization.
| Autori interni: | |
| Autori: | Teti G; Salvatore V; Ruggeri A; Manzoli L; Gesi M; Orsini G; Falconi M. |
| Titolo: | In vitro reparative dentin: a biochemical and morphological study. |
| Anno del prodotto: | 2013 |
| Digital Object Identifier (DOI): | 10.4081/ejh.2013.e23. |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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