Regulation of demethylation and re-expression of RASSF1A gene in gastric cancer cell lines by combined treatment of 5-Aza-CdR and NaB

Figure 3 A: Change of protein expression of RASSF1A gene in gastric cancer cell line SGC7901; B: Change of protein expression of RASSF1A gene in gastric cancer cell line BGC823. 1-7: Control, 5-Aza-CdR at 1.0 &mgr;mol/L, 5-Aza-CdR at 3.0 &mgr;mol/L, NaB at 1.0 mmol/L, NaB at 3.0 mmol/L, 5-Aza-CdR at 1.0 &mgr;mol/L in combination with NaB at 1.0 mmol/L, and 5-Aza-CdR at 3.0 &mgr;mol/L in combination with NaB at 3.0 mmol/L; P: Positive control, 39 kDa.