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(A) Western blot analysis of the protein expression of naked cuticle homolog 2 (NKD2) and chemokine receptor 4 (CXCR4) in SW620 cells after curcumin treatment for 24 h. *P<0.05, statistically significant. (B and C) Real-time qPCR analysis of the mRNA expression of the CXCR4 and NKD2 in SW620 cells after curcumin treatment for 24 h, *P<0.01, statistically significant. The concentrations of curcumin used were 0, 10, 20 and 40 µmol/l.
