However, the significance of the hypermethylation varies according to the analyzed genomic region, and hypermethylation of these genes can also be present in non-neoplastic gastric epithelia.

• 根据基因组区位分析,超甲基化的显著性各不相同,同时,这些基因的超甲基化也能出现在非新生物的胃上皮。