期刊
PHARMACEUTICAL BIOLOGY
卷 59, 期 1, 页码 424-437出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/13880209.2021.1903047
关键词
Cancer cells; flavone C-glycosides; RTCA; steroidal saponins; Trigonella foenum-graecum
The study demonstrated that the fraction C from fenugreek seeds showed strong cytotoxic activity against cancer cells, with high content of steroidal saponins and flavone C-glycosides. Additionally, the fraction significantly increased ROS production and caspases activity in the cells.
Context Trigonella foenum-graecum L. (Fabaceae) has many therapeutic properties and anticancer potential. Objective The cytotoxic activities of standardized extracts and a fraction from fenugreek seeds and their compounds (sapogenins, flavone C-glycosides, alkaloid trigonelline) against human cancer SKOV-3, HeLa and MOLT-4 cells were evaluated. Materials and methods Fenugreek seeds were extracted with 70% methanol (A) or water (B). Furthermore, the seeds were purified with petroleum ether and chloroform and next extracted with methanol to obtain fraction (C). The quantitative analysis of saponins and flavonoids in the extracts was done with HPLC methods. The extracts (5-120 mu g/mL) and compounds (1-50 mu g/mL) were tested on the cells by MTT assay and RTCA system. The effect of a fraction on ROS production, mitochondrial membrane potential and caspase-3/7 activity in HeLa and SKOV-3 cells was also evaluated by flow cytometry. Results The strongest cytotoxic activity on cancer cells showed the fraction C (IC50 was 3.91 +/- 0.03 for HeLa, 3.97 +/- 0.07 for SKOV-3, and 7.75 +/- 0.37 for MOLT-4) with the highest content of steroidal saponins (163.18 +/- 11.03 mu g/mg) and flavone C-glycosides (820.18 +/- 0.05 mu g/mg). The fraction significantly increased ROS production (up to four times higher than in keratinocytes as control) and caspases activity in the cells. The examined flavonoids did not exhibit the cytotoxic activity in contrast to yamogenin, tigogenin, and diosgenin. Conclusions The obtained results complement the data on the cytotoxic activity of Foenugraeci Semen and synergistic effect of flavonoids and saponins complex contained in the plant.
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