CEACAM20 expression in normal and malignant prostate.

<p><b>A</b>. RT-PCR analysis for CEACAM20 of three prostate tumors including normal and malignant tissue with PBMCs as a control. <b>B</b>. Western blot analysis of the same tissues with anti-CEACAM20 monoclonal antibody 6G4A5 with anti- β-actin as a control. Immunohistochemistry staining of normal (<b>C</b>) and malignant (<b>D</b>) prostate with anti-CEACAM20 mAb, scale bar: 20 µm.