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Western blot analysis and quantitative densitometry of cleaved caspase-3 expression in HT-29 cells treated with various concentrations of PPLGM. A) Treatment (24 hours) of HT-29 cells with PPLGM (0-20 μM) resulted in enhanced cleaved caspase-3 expression. B) Densitometry shows the results of PPLGM treatment on cleaved caspase-3 expression normalized to total caspase-3 in three replicate experiments ± standard deviation, where * denotes statistical significance (p<0.05).
