Fig. 2
From: Karyopherin alpha 2 is a novel prognostic marker and a potential therapeutic target for colon cancer
Immunohistochemical staining for KPNA2 in normal and malignant colon tissues. a. Negative KPNA2 expression in normal colonic epithelium; b. Weak KPNA2 staining in a well-differentiated colon tumor; c. Diffuse, intense KPNA2 staining in moderate to poorly differentiated colon tumor; d. Strong KPNA2 staining in a colon cancer lymph node metastatic sample. Original magnification × 100