Abstract
To explore the antitumor effects of DDP-PLLA-CNTs on human cholangiocarcinoma cell line. DDP-PLLA-CNTs were prepared with the method of ultrasound emulsification. The morphology of DDP-PLLA-CNTs was determined by scanning electron microscope (SEM). And its drug loading and drug release curve in vitro was detected by UV-Vis-NIR spectrophotometer. CCK8 was used to test the cytotoxic effects of DDP-PLLA-CNTs at different concentrations on QBC939 cell proliferation.Flow cytometry was employed to measure the changes of apoptotic rate. With excellent controlled-release characteristic of in vitro drug release, DDP-PLLA-CNTs inhibited the proliferation and significantly increased the apoptotic rate of QBC939 cell line. DDP-PLLA-CNTs have drug sustained-release characteristics and can significantly inhibit the proliferation of QBC939 cell line.
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