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mRNA expressions for snail and ZEB1 by RT-PCR in HT29 treated with PMA (50 ng/mL) or PGE2 (5 µg/mL for 24 hours. mRNA, messenger RNA; RT-PCR, reverse transcription-polymerase chain reaction; PMA, phorbol 12-myristate 13-acetate; PGE2, prostaglandin E2.
