Table 1.

Comparison of MMP11 expression between tumor and matched normal tissues by RT-PCR and immunohistochemistry staining analysis

Total casesPositiveNegativeP
mRNA level
    Normal307 (23.0%)23 (77.0%)0.004
    Carcinoma3018 (60.0%)12 (40.0%)
Protein level
    Normal8740 (46%)47 (54%)0.001
    Carcinoma12387 (70.7%)36 (29.3%)