Figure 4: Flow cytometric detection of CD44/CD24 and CD133 surface markers. Figure 4a -4c. Flow cytometric detection of CD44/CD24 expressed by (a) SUM149 Mary-X, FC-IBC01, FC-IBC02 cells; (b) SUM190 and MDA-IBC-3 cells; (c) MDAMB-231, SUM159 and MCF-7 cells. Figure 4d: Flow cytometric detection of CD133 expression by Mary-X and FCIBC02 cells.