The analysis of molecular mechanism of bone destruction using invitro cocultivation assay and application to a risk management in ameloblastoma

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In this study, we immortalized cells which we obtained from the lesion of ameloblastoma and the oral mucosa of the healthy subject and established new ameloblastoma cell line (AM-3) and normal oral mucosa epithelium cell line (MOE-1). The expression of Wnt5a, Fz-2, MMP-2, -9 was higher remarkably in ameloblastoma cell line than normal oral mucosa epithelium cell line. Also, Wnt-3a treatment activated expression of MMP-9 of AM-3. Furthermore, osteoclasts differentiation was induced when we cocultivated with AM-3cells and RAW 264.7 cells which were osteoclastic precursors.