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SFRP2 inhibits AtT20 cell migration. (A) Representative images of the wound healing assay in the SFRP2-transfected or vector-transfected AtT20 cells at 30 h. (B) Relative expression of MMP-2, MMP-7 and MMP-9 in two groups. *P<0.05 and **P<0.01. Con, control; SFRP2, secreted frizzled-related protein 2; MMP, matrix metallopeptidase.
