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The expression levels of ATF6α mRNA and protein in the mouse uterus of pseudopregnancy detected by RT-PCR (a) and western blotting (b and c), respectively (n ≥ 3). PD1-PD5, uterine sections from days 1 to 5 of pseudopregnancy. The results of statistical analysis are shown as histograms. Different lowercase letters on the bars indicate significant differences between specific two groups (‘a’ and ‘b’, ‘b’ and ‘c’, P < 0.05 or P < 0.01; ‘b’ and ‘b’, P > 0.05)
