MECP2 and gastric cancer: As demonstrated by the results, the mRNA (Fig. 1A, B) and protein (Fig. 1C, D) expressions of MeCP2 were noticeably up-regulated in 5-FU-resistant GC cells (BGC-823/5-FU and SGC-7901/5-FU) as compared with in GC cells (BGC-823 and SGC-7901).