Figure 3

Proliferation assay of VSMCs from SV & ITA using MTT Kit. a). growth curve of SV VSMCs: b). growth curve of ITA VSMCs. P-value: obtained by paired t-test between group PDGF-BB and group DMEM/F12 using SPSS 13.0 (*Pā<ā0.05; ** Pā<ā0.01).