The LoVo and Caco-2 were obtained from American Type Culture Collection (ATCC), USA. Cells were grown in DMEM (Sigma) media containing 10% FBS and 10000 U/ml antibiotic and then kept at 37°C in 5% CO2 incubator. LoVo and Caco-2 were treated with 1 μM 5-aza-2′-deoxycytidine (Sigma) for 72 hours, and a medium was replaced every 24 hours. Control cultures had an equal volumes of drug solvent (DMSO) [12 (link)].
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