DAB2 and cancer: Reduced expression of Dab2 was correlated with the aberrant promotor hypermethylation in human cancers: Bisulfite sequencing and methylation specific PCR (MSP) were employed to explore the correlations between promoter aberrant hypermethylation of Dab2 and expressing reduction in 4 studies.16,17,19 Subgroup analysis was applied to discriminate the discrepancies of aberrant promoter hypermethylation of Dab2 in cancer tissues and cell lines.