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Fig. 3 | BMC Complementary and Alternative Medicine

Fig. 3

From: Antioxidant and cytotoxic activities of three species of tropical seaweeds

Fig. 3

Caspase activities of MCF-7 cells treated with seaweed fractions. a Caspase-8, b Caspase-9 and c Caspase-3 activities of MCF-7 cells treated with 12 μg/mL of partially purified P. tetrastromatica column chromatographic fraction, 18 μg/mL of partially purified C. racemosa column chromatographic fraction and 12 μg/mL of partially purified T. ornata column chromatographic fraction. Mitomycin-c was used as a positive control for caspase-8 and 9 activities while positive control for caspase-3 was colchicine (*p < 0.05; **p < 0.01). Note caspase activity induction upon cell treatment

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