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Expression of (A) CD44v6, (B) VEGF-C, and (C) MMP-9 mRNA after treatment of HeLa cells. Lanes: P, positive control (untreated HeLa cells); 1, Fe3O4 without MFH; 2, Fe3O4 plus MFH; 3, nanosized As2O3 (5 μM)/Fe3O4 plus MFH; 4, 5 μM As2O3; 5, nanosized As2O3 (10 μM)/Fe3O4 plus MFH; 6, 10 μM As2O3;N, negative control; M, DNA marker.
