Expression of neuroglobulin during the process of brain edema induced by endotoxin in rats / 解放军医学杂志

ABSTRACT

Objective To study the expression of neuroglobulin(Ngb) in cortex of frontal lobe,hippocampus,cerebrospinal fluid(CSF) and plasma of rats during the process of brain edema induced by endotoxin(LPS).Methods Seventy SD rats were randomly divided into the control group(n=10) and the LPS groups(10 each at six time points).An intraventricular injection of LPS(0.1mg/kg,0.2ml) was given to rats in LPS groups,while the same amount of normal saline was given in control group.The plasma,CSF,hippocampus and the cortex of frontal lobe of rats were collected 3,6,12,24,48 and 72 hours after the injection.Ngb was detected by ELISA,Western blotting and immunohistochemical(IHC) method.The brain water content was measured by wet/dry method.The swelling of organelles in hippocampus and the cortex of frontal lobe were observed by transmission electron microscopy(TEM).Results The brain water content was significantly higher in LPS groups than in control group(P