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. Author manuscript; available in PMC: 2013 Oct 15.
Published in final edited form as: Int J Pharm. 2012 Jul 28;436(1-2):825–832. doi: 10.1016/j.ijpharm.2012.07.043

Figure 3.

Figure 3

Uptake of doxorubcin in MCF-7 cells. MCF-7 cells were incubated with ELP-DOXO, Bac-ELP-DOXO, Tat-ELP-DOXO, and SynB1-ELP-DOXO (10 μM in cell culture media) for 1 h at either 37 °C or 42 °C. Dox fluorescence intensity was determined using flow cytometry and is expressed in relative fluorescence units (RFU). * indicates statistical significance between ELP-DOXO at 42 °C and both Tat- and SynB1-ELP-DOXO at 42 °C (p < 0.01). The data represents the mean of 3 experiments (error bars, SEM).