Figure 5.
Tet enzyme activity is elevated at birth. a) The activity of demethylating (Tet) enzymes was two-to three-fold higher on postnatal day (P) 1 than on P25 in both the hypothalamus and hippocampus. b) There was a trend for higher methylating (Dnmt) activity in the hypothalamus on P1 compared to P25. In the hippocampus, elevated Dnmt activity on postnatal day 1 was seen in females only. Different letters indicate significant differences. **P < 0.01; ***P < 0.001. Data are mean ± SEM. N = 3 for P1 male and female groups, N = 6 for P25 male and female groups.