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In previous studies, we demonstrated that acute stress induces microglial activation, without inducing any inflammatory responses; however, the effect of acute stress on astroglia, another glial cell subtype in the brain, remains to be elucidated. We determined the effect of acute stress on astroglia, particularly in terms of morphological changes and inflammatory properties. In contrast to microglia,...
We used the [F-18]FDG micro PET neuroimaging technique to investigate changes in brain activity induced by acute stress in rats. Animals were given immobilization stress for 1 or 2 h, or 1-h stress followed by 1-h recovery, after which their brains were scanned. Plasma corticosterone levels measured at various time points in separate groups of rats showed a rapid increase during stress and slower...
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