The Epithelial-mesenchymal transition (EMT) is an important cellular program during tumor migration, invasion and metastasis.
已知上皮向间充质转变（EMT）是肿瘤细胞迁移、浸润及转移过程中的重要调控事件。
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Conclusions: pancreatic cancer cells resistance to chemoradiotherapy can induce epithelial-mesenchymal transition (EMT), and EMT may be related to resistance of chemoradiotherapy of pancreatic cancer.
结论：放、化疗抵抗的人胰腺癌细胞发生EMT，其与胰腺癌治疗抵抗有关。
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Until now, scientists have believed that cancer cells must transform permanently from stationary epithelial cells into migratory mesenchymal cells in order to metastasize.