the previously reported observation that submicromolar concentrations of hgcl2 inhibit glutamate uptake reversibly in astrocytes , without effect on 2-deoxyglucose uptake , suggested that elemental mercury vapor , which is oxidized to mercuric mercury in the brain , might cause neurodegenerative change through the mediation of glutamate excitotoxicity .
C0086045
concentrations
C0006104
brain