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. 2015 Feb 25;17(1):27. doi: 10.1186/s13058-015-0529-8

Figure 9.

Figure 9

The lead compounds inhibit mRNA and protein expression levels of oestrogen receptor-alpha-dependent genes. (A) VPC-16230 significantly decreased mRNA levels of pS2, cathepsin D and cell division cycle 2 (CDC2) at 12 and 6 μM in the presence of 1 nM oestradiol (E2) in MCF7 cells. Data points represent average of two independent experiments performed in triplicates. Error bars indicate standard error of mean for n = 6 values. A P-value <0.05 was considered significant (*) compared with E2 + dimethyl sulphoxide (DMSO) control. (B) VPC-16230 did not significantly decrease mRNA levels of pS2, cathepsin D and CDC2 at 12, 6 and 3 μM in the absence of 1 nM E2. (C) VPC-16230 decreased protein levels of pS2, cathepsin D and CDC2 at 12 and 6 μM in MCF7 cells as observed by Western blot analysis. GAPDH, Glyceraldehyde 3-phosphate dehydrogenase; OHT, 4-Hydroxytamoxifen.