Figure 5.
HNK suppresses perineural invasion by inhibiting SMAD2/3 signaling. (A, B) Wound healing assays of the control group, HNK group, TGF β1 group, and HNK+TGF β1 group, scale bar = 200 μm; (C–F) Migration assay and invasion assay of the control group, HNK group, TGF β1 group, and HNK+TGF β1 group, scale bar = 100 μm; (G, H) Western blotting analysis of the expression of NGF, N-cadherin, E-cadherin, and Vimentin. (I, J) Cancer cell-DRG coculture model of the control group, HNK group, TGF β1 group, and HNK+TGF β1 group, scale bar = 200 μm; **p < 0.01, ***p < 0.001, ****p < 0.0001.