Objective To obtain highly-metastatic cells of squamous-cell-carcinoma of tongue and establish a base for its animal model. Methods Cells with different metastatic potential were isolated using modified invasion assay;clone differences of two kinds of cells were detected using MTT assay and cloning formation assay;the differences of cell invasiveness and migration ability by invasion assay and migration assay,that of cell cycle time by flow cytometry,and that of the enhancer of Zeste homolog 2(EZH2)protein ...