Additional file 1: of Palmitoylethanolamide reduces pain-related behaviors and restores glutamatergic synapses homeostasis in the medial prefrontal cortex of neuropathic mice

Iba-1 immunoreactivity (Iba-1-ir) is shown in the m-PFC of sham or SNI mice (30 days after injury) following PEA (10 mg/kg, i.p.) or vehicle treatment (A). Quantitative analysis of total, or activated or hyperbranched, is shown in “B”. Data are expressed as mean ± S.E.M of 3 mice per group. * indicates significant differences compared to sham/vehicle. P