Figure 2From: Hypoxia-inducible factor 1 alpha expression increases during colorectal carcinogenesis and tumor progression Detection of HIF-1α in human non-metastatic (A) and metastatic (B) primary colorectal carcinomas by Western blot. Staining with anti-β-actin (bottom blots respectively) was performed as control for loading. (N: corresponding normal epithelium; T: tumor epithelium).Back to article page