Table 2: Effects of oleanolic acid (OA) on the mRNA expression levels of MMP-1, MMP-2, TIMP-1, TGF- , P311, caspase-3, and caspase-9.

GroupScar ( )Dose (%)MMP-1 (%)MMP-2 (%)TIMP-1 (%) Caspase-3 (%)Caspase-9 (%)P311 (%)TGF- (%)

Normal16
Control16Basic ointment
Contra1610
OA162.5
OA165
OA1610

ΔΔ compared with the normal group; * < 0.05 and ** compared with the control group; Data are expressed as the mean ± SD.