Western blot analysis of enoyl coenzyme A hydratase, short chain, 1 (ECHS1), and tubulin for lysates of normal colorectal tissues (N) and colorectal cancer tissues (L, low differentiation; H, high differentiation). Tubulin was used as a loading control. The data are presented as means ± standard error of the mean. *P<0.05 vs. N; ΔP<0.05 vs. H.