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Interleukin-18 from neurons and microglia mediates depressive behaviors in mice with post-stroke depression.
In this study, we demonstrate that in IL-18 level in the ischemic brain significantly increased in mice with depression-like behaviors that caused by the combined use of chronic spatial restraint stress and middle cerebral artery occlusion. Interestingly, IL-18 expression was mainly found in neurons at early phase and in microglia in late phase. Injection of exogenous IL-18 in to the amygdala, but not the hippocampus or the striatum, caused severe depression-like behaviors. On the contrary, the blockage of endogenous IL-18 by IL-18 binding protein, a specific antagonist of IL-18, rescued depressive phenotypes in SIR mice. ...
Source: Brain, Behavior, and Immunity - April 5, 2020 Category: Neurology Authors: Wu D, Zhang G, Zhao C, Yang Y, Miao Z, Xu X Tags: Brain Behav Immun Source Type: research