PPARGC1A and status epilepticus: However, reduced VEGF-positive cells were observed in the hippocampal CA3 subfield 6 h after status epilepticus in rats with pre-treated microinjection of control siRNA (Figure 4j–i) or siRNA against pgc-1α (2 μg) (Figure 4m–o) into the bilateral hippocampal CA3 field.