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Antioxidant and antitumor effects of ferula sinkiangensis K. M. Shen
Haiying Zhang1, Jun Lu2, Longlong Zhou3
1Department of Pharmacology, Xinjiang Medical UniversityUrumqi 830011, Xinjiang, China; Department of Pharmacy, Chinese Medicine Hospital Affiliated to Xinjiang Medical UniversityUrumqi 830000, Xinjiang, China.
Objective:
This study is to investigate the antioxidant and antitumor effects of the extract fractions of the Ferula sinkiangensis K. M. Shen.
Methods:
Four different fractions of the Ferula sinkiangensis K. M. Shen were obtained by the extraction with petroleum ether, ethyl acetate, n-butanol, and methanol, respectively, which were used to treat the HCT116, Caco-2, HepG2, and MFC cells. Free radical scavenging effects of the ferula fractions were deteced with the DPPH assay. Effects of the ferula fractions on the peroliferatoin of the tumor cells were assessed with the SRB assay. Apoptosis was detected with flow cytometry.
Results:
The DPPH assay showed that the petroleum ether fraction hardly showed any antioxidant activity, while the ethyl acetate, n-butanol, and methanol fractions exhibited free radical-scavenging capacities, in a dose dependent manner. The SRB assay showed that, the proliferation of the tumor cells could be inhibited by the ferula fractions, in a dose dependent manner. However, differential effects were observed for the different fractions in different model cells. Particularly, the ethyl acetate fraction exerted the most efficient inhibiting effects on the tumor cell proliferation. In addition, the flow cytometry showed that, all the ferula fractions significantly enhanced the apoptotic process in the tumor cells, with differential enhancing capacities in different model cells.
Conclusion:
Extract fractions of the Ferula sinkiangensis K. M. Shen could exert antioxidant, proliferation-inhibiting, and apoptosis-enhancing effects in tumor cells. Particularly, the ethyl acetate fraction exhibits the most potent antioxidant and antitumor effects.
