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Cells were transfected with control or RPSA siRNA. RPSA gene expression was measured 48 h post-transfection (A) and protein expression was measured 72 h post-transfection (B). For MMP-2 secretion (C) and MT1-MMP expression (D) studies, cells were incubated for another 24 h with or without 10−7 M AG-9 peptide. *: p < 0.05.
