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Regulation of H3K27me3 and H3K27Ac during ES cell differentiation. (A and B) qPCR expression (left panels) and ChIP analyses (right panels) of the Hoxa5 and Fgf4 promoters in ES and NPC cells using the indicated antibodies. Suz12 enrichments are presented as percentage of input while H3K27Ac and H3K27me3 signals are normalized to histone density using an H3-specific antibody.
