Figure 1.
(A) Cell viability of MCF-7, n = 6, x̅ ± s. * P < 0.05, ** P < 0.01, *** P < 0.001 vs the phosphate-buffered saline (PBS) group. (B) Cell viability of MCF-7/DOXFluc, n = 6, x̅ ± s. * P < 0.05, ** P < 0.01, *** P < 0.001 vs the PBS group. Significant differences were assessed using the t test. Results are presented as means ± SD.