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Relative expression of ten pluripotent genes in clonal (grey) and nonclonal (black) colonies measured for each cell line using qRT-PCR. Data are shown as means ± SEMs. Values were normalized to the mean expression in clonal colonies separately for each line. * p < 0.05; ** p < 0.01; *** p < 0.001; **** p < 0.0001.
