Cytotoxic Activity of Saponins and Sapogenins Isolated from Chenopodium quinoa Willd. in Cancer Cell Lines

Figure 5

(a) Western blotting analysis of PARP-1 and cleaved PARP-1 expression in HeLa cells treated with A: 100 µM ursolic acid, B: 100 µM oleanolic acid, C: 300 µM oleanolic acid, D: 50 µM hederagenin, E: 100 µM hederagenin, or F: 300 µM hederagenin. (b) Western blotting analysis of PARP-1 and cleaved PARP-1 in HeLa cells treated with A: 100 µM ursolic acid, B: 100 µM oleanolic acid, C: 300 µM oleanolic acid, and D: 50 µM hederagenin for 24 h.

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