Impacto da concentração de soro bovino fetal nas células epiteliais dentárias
DOI:
https://doi.org/10.18041/1900-3803/entramado.1.5420Palavras-chave:
Ameloblastos, esmalte dentário, meios de cultura, meio de cultura livre de soro, proliferação celularResumo
O esmalte dentário, o tecido mais duro do corpo humano, é formado pela diferenciação de células epiteliais conhecidas como ameloblastos. Recentemente, células epiteliais dentárias de incisivo de rato têm sido utilizadas como modelo celular de eventos fisiopatológicos durante a formação do esmalte dentário. No entanto, dependendo dos eventos estudados, é meritório entender seu comportamento, particularmente quando a concentração de soro fetal bovino (FBS) varia. O objetivo deste trabalho é avaliar o impacto da concentração de SFB no crescimento, proliferação e sobrevivência de células epiteliais dentárias. Células epiteliais dentárias foram cultivadas em DMEM / F12, na presença e ausência de SFB. Observações morfológicas e imunohistoquímicas de actina, vimentina e fibronectina foram realizadas. Os resultados permitiram confirmar que a ausência de SFB afetou negativamente a proliferação de células epiteliais dentárias, mas manteve uma ótima expressão de actina e vimentina. Uma alteração na expressão de fibronectina nas células tratadas na ausência de SFB foi identificada. Em conclusão, a falta de SFB diminuiu drasticamente a sobrevivência, proliferação e expressão de fibronectina em células epiteliais dentárias de ratos
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