Abstract
With the continuous development of nanomedicine, scholars have reported many studies on the application of nanocarriers to improve the efficiency of tumor diagnosis and treatment. We designed magnetic nanoparticles combined with liposomes to carry DHA (DHA-MAG-NL) nanoparticles to improve the biocompatibility of DHA, protect DHA activity, and increase DHA blood concentration. To study the inhibitory effect of magnetic dihydroartemisinin nano-liposomes on the proliferation of human tongue squamous cell carcinoma CAL-27 cell line and laryngeal carcinoma Hep-2 cell line In Vitro. The effect of DHA-Mag-NL concentration gradient on the proliferation of Hep-2 and Cal-27 cells at different intervention times was detected by MTT assay. The effects of DHA concentration of 40 μM on the cell cycle and apoptosis of Hep-2 and Cal-27 were analyzed by flow cytometry. Statistical analysis showed that DHA-Mag-NL had a weak inhibitory effect on Cal-27 cells. The apoptosis-promoting effect of DHA-Mag-NL on Cal-27 tumor cells was weaker than that of DHA for 24 h. We concluded that DHA-Mag-NL can inhibit the proliferation of Hep-2 and Cal-27 tumor cells and promote apoptosis, which is dependent on drug dose and intervention time.
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