RT–PCR (b) of miR-10b in 67NR, 168FARN, 4TO7 and 4T1 cells. c, d, RT–PCR (c) and real-timeRT–PCR (d ... , miR-9 and miR-10b in a series of human mammary epithelial cells. b, c, Real-timeRT–PCR of miR-9 (b ... or mock-infected SUM159 cells.FIGURE 3. miR-10b induces distant metastasisa, b, RT–PCR (a) and real-time