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|Título:||Serum-specific stimulation of proliferation and mineralization of fish bone-derived cells|
Tiago, Daniel M.
|Citação:||Rosa, J.; Tiago, D.M.; Dias, J.; Cancela, M.L.; Laizé, V.Serum-specific stimulation of proliferation and mineralization of fish bone-derived cells, Journal of Applied Ichthyology, 26, 2, 251-256, 2010.|
|Resumo:||Teleost fish have recently been implemented as suitable model organisms to study vertebrate development, in particular skeletogenesis. In vitro cell systems derived from fish bone have been successfully established, although their development has been hampered by the limited availability of fish serum to supplement culture medium. Commercially available sera are mostly of mammalian origin and thus not necessarily adequate to fish cell growth. The main objective of this work was to compare proliferative and mineralogenic potential of bovine and fish sera using fish bone-derived cell lines VSa13 and VSa16. Fish serum was shown to (i) strongly stimulate cell proliferation in an apparent dose-dependent and cell type-specific manner, (ii) induce morphological changes, and (iii) enhance extracellular matrix mineralization of bone cells, although cytotoxic for fish osteoblast-like cells at the concentration tested. To better understand mechanisms underlying mineralogenic effect of fish serum in fish chondrocytes, expression of several mineralization-related genes was evaluated by qPCR. Regulation of matrix Gla protein (MGP) and bone morphogenetic protein 2 (BMP2) gene expression was modified upon culture with fish serum in a way compatible with an early onset and an increase in mineralization. In conclusion, fish serum was shown to be more adequate to proliferation and differentiation/mineralization of fish bone-derived cells.|
|Versão do Editor:||http://onlinelibrary.wiley.com/doi/10.1111/j.1439-0426.2010.01414.x/abstract|
|Aparece nas colecções:||CCM2-Artigos (em revistas ou actas indexadas)|
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