Research Article

GSTP1 Methylation and Protein Expression in Prostate Cancer: Diagnostic Implications

Figure 3

Typical GSTP1 staining pattern in biopsy: benign glands strongly positive (A), positive basal cell layer with negative luminal cells in PIN (B), and PCa completely negative (C). Dishomogeneous GSTP1 staining in benign glands in biopsy: strong (D), intermediate (E), and weak (F). PCa is completely negative (G).