Abstract
ObjectiveSome studies have implied the damaging effect of sevoflurane (sevo) on cognitive function in Alzheimer's disease (AD). This research was conducted to explore the effect of microRNA (miR)-132/forkhead-box A1 (FOXA1) axis on cognitive ability of sevo-treated AD rats. MethodsThe condensed-matter Aβ1–40-induced AD rats were injected with miR-132- or FOXA1-related plasmids, followed by inhalation with 3% sevo. Then, the cognitive functions of AD rats were assessed. miR-132 and FOXA1 levels in hippocampal tissues of AD rats, and their interaction were identified. ResultsmiR-132 expression was reduced and FOXA1 mRNA and protein levels were elevated in AD rats. miR-132 targeted FOXA1. Sevo treatment impaired cognitive function in AD rats. Elevated miR-132 or inhibited FOXA1 attenuated sevo-mediated injury in AD rats. Overexpressed FOXA1 rescued the effect of elevated miR-132 in AD rats with sevo treatment. ConclusionUp-regulated miR-132 reduces the cognition-damaging effect of sevo on AD rats by inhibiting FOXA1.
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