highly significantP ≤0.001
2 I) with the area fraction of active caspase 3 immunopositivity being highly significant in the LP+Poly I:C+LPS group in the hippocampal regions (CA1, CA3 and DG) when compared with HP control [ F (7,856) =7.68, P ≤0.001; F (7,856) =13.97, P ≤0.001; F (7,856) =25.92, P ≤0.001, group wise interaction] and LP alone group [ F (3,428) =6.92, P ≤0.001; F (3,428) =5.3, P =0.001; F (3,428) =20.86, P ≤0.001, interaction within treatments].