Association between genetic polymorphisms of glutathione S-transferase P1 and N-acetyltransferase 2 and susceptibility to squamous-cell carcinoma of the esophagus.
The expression of human glutathione S-transferase-pi (GST-pi) in esophageal squamous cell carcinoma and in corresponding morphologically normal mucosa from 17 patients was examined by Northern blots, in situ hybridization and immunohistochemistry.