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Slug expression promotes HepG2 cell invasion, migration and clone formation. The HepG2 cells were transfected with Slug and Snail expression plasmids and si RNA plasmids. (A) Invasion and (B) wound healing assays tested the migration capability and invasiveness of HepG2 cells. (C) A colony formation assay analyzed the effects of Slug and Snail on the clone formation of HepG2 cells. C, control; siRNA, small interfering RNA.
