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Preparation of citronellol self-emulsifying delivery system and evaluation of its in vitro antitumor activity / 中草药
Chinese Traditional and Herbal Drugs ; (24): 1196-1204, 2020.
Article in Chinese | WPRIM | ID: wpr-846556
ABSTRACT

Objective:

To investigate the effect of citronellol (citronellol, CT) on the proliferation of HEp-2 and MCF-7 cells, and prepare CT self-emulsifying drug delivery system (CT-SMs). Its antitumor activity and cell uptake ability of HEp-2 cells in vitro was evaluated.

Methods:

The effect of CT on the cell proliferation of HEp-2 and MCF-7 were investigated by MTT assay. The pseudo- ternary phase diagram method was used to optimize the formulation of CT-SMs, and the appearance morphology, mean particle size, and Zeta potential were characterized. The effect of CT-SMs on the proliferation of HEp-2 cells was detected by MTT assay and cellular uptake was determined by fluorescence inversion microscopy and flow cytometry.

Results:

After a certain concentration of CT treatment, MCF-7 cells proliferation was not affected, and the difference was not statistically significant (P > 0.05 compared with the control group), while the proliferative capacity of HEp-2 cells was significantly inhibited (P < 0.05 compared with the control group) in a dose-time dependent manner. The best prescription for CT-SMs was as following Km (emulsifierco-emulsifier) was Kolliphor® HS 15absolute ethanol = 73, CTKm = 37, the mean particle size was (354.0 ± 9.5) nm, the appearance was round and spherical with uniform distribution, and the Zeta potential was (-13.4 ± 0.3) mV. The results of cellular uptake experiments showed that the intake of CT-SMs (545.70 ± 11.56) was higher than that of CT (230.00 ± 17.76) in HEp-2 cells treating the same concentration of CT-SMs and CT.

Conclusion:

CT-SMs could significantly inhibit the proliferation of HEp-2 cells. In this study, CT-SMs were successfully prepared by dropping water method and the quality of CT-SMs was stable and controllable.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Traditional and Herbal Drugs Year: 2020 Type: Article