Figure 3. MCF-7 breast cancer cells preferentially increase miR-24-2* expression.
(A) MCF-7-vector and −pre-miR-24-2 cell lines (n=4) and (B) MCF-7-TN-vector and -pre-miR-24-2 cell lines (n=3) were harvested for total RNA. qPCR was performed for pre-miR-24-2, mature miR-24, and miR-24-2*. Cycle number was normalized to U6 RNA and vector. Vector cells were designated as 1. * Significantly different from vector, p < 0.05. Error bars represent SEM, of independent biological repeats. (C) qPCR was performed for miR-24, miR-24-2*, and pre-miR-24-2* in MCF-7 and MCF-7-TN cell lines. Results represent relative expression levels, n = 3 independent biological repeats.