Inhibition of β-ionone on SGC-7901 cell proliferation and upregulation of metalloproteinases-1 and -2 expression

Figure 1 Proliferation kinetics of SGC-7901 cells treated at vari-ous concentrations of β-ionone.

Figure 2 Effect of β-ionone on gelatinase/type IV collagenase secretion (97kD for MMP-9 and 72kD for MMP-2) in SGC-7901 cells.

Figure 3 RT-PCR result: expression of TIMP-1 mRNA in SGC-7901 cells treated by β-ionone for 24 h (A) and 48 h (B). C: area of peaks; Lanes 1-5: 0, 25, 50, 100 and 200 μmol/L of β-ionone; M: molecular weight markers.

Figure 4 RT-PCR results showing expression of TIMP-2 mRNA in SGC-7901 cells treated by β-ionone for 24 h (A) and 48 h (B). C: chart of area of peaks; Lanes 1-5: 0, 25, 50, 100 and 200 μmol/L of β-ionone; M: molecular weight markers.