Reduction of ischemic brain injury by administration of palmitoylethanolamide after transient middle cerebral artery occlusion in rats

2012 ◽  
Vol 1477 ◽  
pp. 45-58 ◽  
Author(s):  
Akbar Ahmad ◽  
Tiziana Genovese ◽  
Daniela Impellizzeri ◽  
Rosalia Crupi ◽  
Enrico Velardi ◽  
...  
Keyword(s):  
Brain Injury ◽  
Middle Cerebral Artery ◽  
Middle Cerebral Artery Occlusion ◽  
Cerebral Artery ◽  
Artery Occlusion ◽  
Ischemic Brain Injury ◽  
Ischemic Brain ◽  
Cerebral Artery Occlusion

scholarly journals Silencing of lncRNA XLOC_035088 Protects Middle Cerebral Artery Occlusion-Induced Ischemic Stroke by Notch1 Signaling

2020 ◽  
Vol 80 (1) ◽  
pp. 60-70
Author(s):  
Miao Chen ◽  
Feng Wang ◽  
Hairong Wang
Keyword(s):  
Ischemic Stroke ◽  
Brain Injury ◽  
Middle Cerebral Artery ◽  
Middle Cerebral Artery Occlusion ◽  
Cerebral Artery ◽  
Hippocampal Neurons ◽  
Artery Occlusion ◽  
Ischemic Brain Injury ◽  
Ischemic Brain ◽  
Cerebral Artery Occlusion

Abstract Ischemic stroke represents one of the leading causes of mortality worldwide and especially in developing countries. It is crucial for finding effective therapeutic targets that protect the brain against ischemic injury. Long noncoding RNAs (lncRNAs) have emerged as major regulators of neurological diseases, and clarifying their roles in cerebral ischemic injury may provide novel targets for the treatment of ischemic stroke. We aimed to investigate the role of lncRNA-XLOC_035088 in middle cerebral artery occlusion (MCAO)-induced rat brain injury and oxygen-glucose deprivation (OGD)-reperfusion treated hippocampal neurons. In our findings, we found that XLOC_035088 expression was significantly upregulated in OGD-reperfusion treated hippocampal neurons and in different brain regions of MCAO-treated rats. XLOC_035088 silencing protected against MCAO-induced ischemic brain injury in vivo and OGD-induced hippocampal neuronal apoptosis in vitro. Intrahippocampal silencing of XLOC_035088 significantly decreased brain XLOC_035088 expression, reduced brain infarct size, and improved neurological function through inhibiting NOTCH1 following derepression of presenilin 2 (PSEN2). Taken together, this study provides evidence that the lncRNA XLOC_035088/PSEN2/Notch1 axis is involved in the pathogenesis of ischemic brain injury, and presents a promising therapeutic route for ischemic stroke.

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