Table V.

Correlation between gene amplification of DNMT1 and protein expression levels.

Protein expression	N	Average of signals	P-value
hMLH1
Positive	39	2.34±0.66	0.37
Negative	9	2.57±0.64
E-cadherin
Positive	41	2.34±0.60	0.30
Negative	7	2.63±0.92
DNMT1
Positive	34	2.47±0.74	0.041
Negative	14	2.17±0.27
mRNA
Positive	10	2.81±0.91	0.10
Negative	38	2.28±0.53

DNMT1, DNA methyltransferase 1.