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Protein expression in colorectum. Representative Western blots and quantitation of angiopoietin (Ang)-1, Ang-2, tyrosine kinase with immunoglobulin-like and EGF-like domains-2 (Tie-2), and vascular endothelial growth factor (VEGF) (normalized to β-actin). Lane 1: Group A (colorectal cancer); Lane 2: Group B (ulcerative colitis); Lane 3: Group C (control). Error bars represent standard deviation.
