Research Article

Aberrant Methylation Inactivates Transforming Growth Factor Receptor I in Head and Neck Squamous Cell Carcinoma

Table 3

Relationship between gene promoter aberrant methylation and protein expression.

MethylationGene expression

Protein expression (IHC)+CompletePartial None
Positive34201
Negative24111125
Total27 (64%)15 (36%)3 (14%)12 (57%)6 (29%)
P value0.3890.042