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Effect of stromal cell-derived factor-1 (20 ng/mL) on β-catenin expression after 48 h (× 400). A: β-catenin expression in HT29 cells; B: Significantly lower β-catenin expression level 48 h after incubated with stromal cell-derived factor-1 (SDF-1) (P = 0.031); C: AMD310-inhibited β-catenin expression; D: No effect of AMD3100 alone on β-catenin expression. Arrows mean the expression of β-catenin; Bars indicate mean ± SD of six random fields. aP < 0.05.
