Figure 3.
In vitro cytotoxicity assay. (A) Cell viability of 3T3 cells treated with HA, DOX+CDDP, and HA-DOX-CDDP for 24 or 48 h. (B) Cell viability of 4T1 cells treated with HA, DOX+CDDP, and HA-DOX-CDDP for 24 or 48 h. Data are presented as the mean ± SD (n = 3). *P < 0.05 compared with the DOX+ CDDP group.