Table 5 Correlation of the expression of A antigen with A alleleic loss and hypermethylation of the ABO gene promoter region in 44 cases that underwent TUR
Expression of A antigen | A allele | P | Full methylation | Partial or no methylation | P | A loss and/or full methylation a | A retained and partial/no methylation | P | |
|---|---|---|---|---|---|---|---|---|---|
Loss | Retain | ||||||||
Positive/Hetero | 3 | 19 | 0.26 | 0 | 22 | 0.035 | 3 | 19 | 0.02 |
Negative | 6 | 16 | 4 | 18 | 10 | 12 | |||
