Abstract
In this study, we explored the effects of propofol on oxidative stress response, cytokine secretion, and autophagy in rats with ischemia–reperfusion (I/R) injury and oxygen–glucose deprivation (OGD)-stimulated primary microglia and analyzed the role of the phosphatidylinositol-3-kinase/protein kinase B (PI3K/Akt) pathway in this process. Rat models of I/R injury and OGD models of primary microglia were established. Neurobehavioral scores were evaluated 24 h after reperfusion, and oxidative stress indicators, cytokine levels, and autophagy-related markers of rats and OGD-activated primary microglia were evaluated. Activation of the PI3K/Akt pathway was also assessed. The results showed that propofol pretreatment can improve nerve function in rats with I/R injury, inhibit oxidative stress response and inflammatory cytokine secretion, and promote autophagy in rats with I/R injury and OGD-activated primary microglia, and that the PI3K-Akt pathway was activated in this process. Following the addition of a PI3K/Akt pathway inhibitor, the effects of propofol on autophagy in rats with I/R injury and primary microglia were inhibited significantly. The results indicate that propofol promotes autophagy via the PI3K/Akt pathway in cerebral I/R injury.
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Acknowledgments
This work was supported by the School-level project of Ningxia Medical University [grant number xm2016059].
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The data used to support the findings of this study are available from the corresponding author upon request.
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Yaru Chen and Zhenzhou Li are co-first authors.
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Chen, Y., Li, Z. Protective Effects of Propofol on Rats with Cerebral Ischemia–Reperfusion Injury Via the PI3K/Akt Pathway. J Mol Neurosci 71, 810–820 (2021). https://doi.org/10.1007/s12031-020-01703-8
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DOI: https://doi.org/10.1007/s12031-020-01703-8