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CUR decreases protumorigenic protein expression. (A) Representative images of immunohistochemical and H&E staining for PCNA and β-catenin, (magnification, ×20; n=4/group). (B) Quantification of PCNA and β-catenin immunohistochemical staining in the colorectal tissue (n=4/group). Data are presented as the mean ± standard deviation. CUR, curcumin; H&E, hematoxylin and eosin; PCNA, proliferating cell nuclear antigen; Ctrl, control; AOM, azoxymethane; DSS, dextran sodium sulfate.
