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The Involvement of Canonical Wnt Signaling in Memory Impairment Induced by Chronic Cerebral Hypoperfusion in Mice
AbstractChronic cerebral hypoperfusion (CCH) has been proposed to contribute to the progression of memory loss, which is the main symptom of vascular cognitive impairment (VCI). Accumulating evidence indicates that underlying pathophysiology, such as neurodegeneration, may lead to memory loss. However, the underlying molecular basis of memory loss in CCH remains unclear. Here, we investigated the roles of canonical Wnt signaling, which modulates hippocampal function, in a CCH model. CCH was induced by unilateral common carotid artery occlusion (UCCAO). Mice were randomly divided into a sham-operated group or one of three U...
Source: Translational Stroke Research - January 19, 2020 Category: Neurology Source Type: research

Evaluation of the Protective Potential of Brain Microvascular Endothelial Cell Autophagy on Blood–Brain Barrier Integrity During Experimental Cerebral Ischemia–Reperfusion Injury
Abstract Brain microvascular endothelial cell (BMVEC) injury induced by ischemia–reperfusion (I/R) is the initial phase of blood–brain barrier (BBB) disruption, which results in a poor prognosis for ischemic stroke patients. Autophagy occurs in ischemic brain and has been shown to exhibit protective effects on endothelial cell against stress. However, the potential effects of BMVEC autophagy on BBB permeability during I/R and the mechanisms underlying these effects have yet to be elucidated. In the current study, we answered these questions by using chemical modulators of autophagy, including rapamycin and li...
Source: Translational Stroke Research - October 1, 2014 Category: Neurology Source Type: research