Figure 1From: Epithelium percentage estimation facilitates epithelial quantitative protein measurement in tissue specimensImmunohistochemical staining of prostate tumor tissues. Tumor tissue slides from 6 individuals were stained with anti-cathepsin L antibody and then counterstained with hematoxylin. Representative images from 3 individuals were shown in (A), (B), and (C) with corresponding hematoxylin and eosin stained reference images as shown in (D), (E) and (F).Back to article page