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Tab 1 Sequences of primers and products
| 引物名称 | 引物序列（5'-3'） | 片段大小/bp |
| GAPDH | F-GACAGTCAGCCGCATCTTCT | 395 |
| R-AAATGAGCCCCAGCCTTCTC | ||
| E-cadherin | F-GAGTGCCAACTGGACCATTCAGTA | 106 |
| R-AGTCACCCACCTCTAAGGCCATC | ||
| Vimentin | F-CTCTCAAAGATGCCCAGGAG | 176 |
| R-GCACGATCCAACTCTTCCTC |
