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Western blot analysis and quantitative densitometry of phosphorylated ERK expression in HT-29 cells treated with varying concentrations of PPLGM. A) Treatment (24 hours) of HT-29 cells with PPLGM (10 and 20 μM) resulted in enhanced phosphorylated ERK (p-ERK) expression. B) Densitometry shows the results of PPLGM treatment on p-ERK expression normalized to t-ERK in three replicate experiments ± standard deviation.
