Fig. 4From: Hepatitis C virus NS4B protein induces epithelial-mesenchymal transition by upregulation of SnailHCV NS4B promoted hepatoma cell migration and invasion. Would healing assay were used to examine the migration and invasion capabilities of the HepG2 cells were transfected with HCV NS4B, cotransfected snail or control siRNA and NS4B. Microscopic observation of cell migration and recorded at 0, 12 and 24Â h after scratchingBack to article page