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Effect of cactus polysaccharides on P53 and PTEN expression SK-MES-1 cells were treated with 0, 0.18 and 0.36mg/ml of Cactus Polysaccharides for 24h. Protein from the total cell lysate was subjected to western-blotting analysis for P53 and PTEN protein. PTEN and p53 were expressed relative to β-actin level and nomalized to control group. Representative results are shown from three independent experiments.
