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Global histone H3K4 and H3K27 methylation percentages in the EMB and VYS. MEHP-treated (100 µg/ml) EMB with NTDs have elevated H3K4 methylation compared to controls and MEHP-treated NTD negative EMB (A). No significant changes in H3K4 methylation were observed in the VYS. No significant changes in H3K27 methylation were observed in EMB or VYS (B). *p<0.05, as compared to controls
