Özet:

In recent years, many researchers have focused on the health effects of plant-derived foods. In this context, foods with high content of flavonoids and phenolic substances have received a great deal of attention as potential agents for cancer prevention and treatment. Studies on the broccoli plant have revealed that broccoli has antioxidant and anti-carcinogenic properties. However, effective dose of broccoli needs to be determined for the cancer treatment. In this study, the effects of broccoli extracts on du145 prostate cancer and Mef fibroblast healthy cells were investigated at different doses for 48 hours. Du145 and Mef cells were grown with Dulbecco's Minimum Essential Medium (DMEM) and HAMS F 12 (1: 1) supplemented with 2% FBS. Broccoli extracts at ten different doses (0,19% - 100%) were added into cultures and incubated at 37°C for 24 and 48 h in 5% CO2. The viability of the cells was determined by the MTT method (3- (4,5-dimethylthiazol-2-yl) -2,5-diphenyltetrazolium bromide). Probit analysis by SPSS software revealed that the broccoli extract at a dose of 4.070 % dose killed du145 cancer cells at 48 h. At the same time, MTT results showed that the viability of Mef cells was increased during 48 h of incubation. As a result, broccoli extract showed a significant level of anticancer activity in Du145 cells, while increasing the viability of Mef healthy cells. This result suggests that broccoli extract is a potential candidate for cancer treatment.

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