Fig. 1

The expression of CD147 in different breast cancer cell lines. (A) qRT-PCR analysis of CD147 mRNA levels in MCF-10 A, BT549, MDA-MB-231, and MCF-7 cells. (B) Western blot analysis of CD147 protein expression in these cell lines, showing substantial upregulation in BT549, MDA-MB-231, and MCF-7 cells relative to MCF-10 A. **P < 0.01, vs. MCF-10 A; ##P < 0.01, vs. BT549; &&P < 0.01, vs. MDA-MB-231