Figure 2From: Epithelium percentage estimation facilitates epithelial quantitative protein measurement in tissue specimensImmunoassay measurements of epithelial cell adhesion molecule (EpCAM) and cathepsin L (CTSL) protein expression. (A) Standard curve of EpCAM. (B) Standard curve of CTSL. (C) EpCAM measurement of tissue lysate from 8 normal prostate tissues and 36 prostate tumors. (D) CTSL measurement of tissue lysate from 8 normal prostate tissues and 36 prostate tumors. ***, p < 0.001, compared to normal prostate tissues.Back to article page