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Levels of H3K27me3 immunoreactivity in hippocampus from rats either unstressed (basal), after acute stress, 24 h after 6 days of stress (7-day basal) or 7 days of restraint stress in the DG (A), CA1 (B), and CA3 (C). (D) Representative sections through the hippocampus of unstressed (basal) and acutely restrained (ARS) rats. *, P < 0.05 vs. basal.
