Fig. 4From: Brain-derived neurotrophic factor reduces inflammation and hippocampal apoptosis in experimental Streptococcus pneumoniae meningitisBDNF alleviates the pathological severity of PM. a Mice in the sham group showed no inflammatory infiltrates, whereas b–e H&E-stained sections showed infiltration of inflammatory exudate and mononuclear cells in the subarachnoid space of infected mice. The BDNF + PM group showed a mild inflammatory response as compared with that observed in the PBS + PM groupBack to article page