The MTT showed cell proliferation ability was lower in the transfection group than in the non-transfection and mock-vehicle groups (P<0.05).

MTT法显示转染组的细胞增殖力低于未转染组和转染空载体组（P<0.05）。

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Compositely culture the SMG ductal cells with collagen sponge, the SMG ductal cell could keep their proliferation ability.

与胶原海绵复合培养，颌下腺导管细胞仍可保持良好的增殖能力。

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Embryonic stem cells (ES cells) are unique cell populations with the ability of self-renewal, unlimited proliferation, multipotent differentiation and maintaining their undifferentiated state.

胚胎干细胞(ES细胞)具有自我更新、无限增殖、保持未分化状态和向所有三个胚层分化的潜能。

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