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Transcription Factor HEY1 Improves Brain Vascular Endothelial Cell Function and Alleviates Ischemic Stroke by Upregulating NOTCH3
Neurochem Res. 2022 Mar 22. doi: 10.1007/s11064-022-03544-w. Online ahead of print.ABSTRACTTo investigate the function of hairy/enhancer-of-split related with YRPW motif protein 1 (HEY1) and Notch receptor 3 (NOTCH3) in ischemic stroke. Stroke models were established by middle cerebral artery occlusion (MCAO) and oxygen glucose deprivation (OGD) in rats and rat brain microvascular endothelial cells (BMVECs), respectively. Neurological deficit evaluation and 2,3,5-triphenyltetrazolium chloride staining were used to assess cerebral injury. The expression of HEY1 and NOTCH3 was manipulated using gain and loss of function appr...
Source: Neurochemical Research - March 22, 2022 Category: Neuroscience Authors: Tingting Zhu Hongxi Chen Cuihong He Xiaojuan Liu Source Type: research

Neuropeptide α-Melanocyte-Stimulating Hormone Promotes Neurological Recovery and Repairs Cerebral Ischemia/Reperfusion Injury in Type 1 Diabetes
In conclusion, α-MSH is neuroprotective under hyperglycemic condition against I/R induced brain damage by its anti-inflammatory, anti-oxidative and anti-apoptotic properties. The use of α-MSH analogues may be potential therapeutic agents for diabetic stroke.PMID:34586586 | DOI:10.1007/s11064-021-03453-4
Source: Neurochemical Research - September 29, 2021 Category: Neuroscience Authors: Rajesh Kumar Goit Tsz Chung Ng Ka Cheung Tam Jessica K W Tsang Andrew W Taylor Amy C Y Lo Source Type: research

LncRNA XIST Promoted OGD-Induced Neuronal Injury Through Modulating/miR-455-3p/TIPARP Axis
In this study, we found that oxygen-glucose deprivation (OGD) induced XIST expression, inhibited miR-455-3p expression and promoted TIPARP mRNA and protein expression in neurons. Furthermore, XIST could affect cell growth of OGD-induced neuronal cells. Further analysis showed that XIST could regulate TIPARP by binding to miR-455-3p, and overexpression of miR-455-3p or inhibition of TIPARP could reverse the effects of high XIST expression on OGD-induced neuronal cells. On the contrary, suppression of miR-455-3p or promotion of TIPARP could reverse the effects of low XIST expression on OGD-induced neuronal cells. XIST could ...
Source: Neurochemical Research - March 19, 2021 Category: Neuroscience Authors: Ying Wang Yunfei Li Chaoyang Ma Ting Zhou Chi Lu Lin Ding Lei Li Source Type: research

LncRNA SNHG15 Knockdown Protects Against OGD/R-Induced Neuron Injury by Downregulating TP53INP1 Expression via Binding to miR-455-3p.
This study aims to reveal the effects of lncRNA small nucleolar RNA host gene 15 (SNHG15) on oxygen-glucose deprivation and reoxygenation (OGD/R)-induced neuron injury and underlying mechanism. The expression levels of SNHG15, microRNA-455-3p (miR-455-3p) and tumour protein p53 inducible nuclear protein 1 (TP53INP1) mRNA were determined by quantitative real time polymerase chain reaction in P12 cells. The protein levels of TP53INP1, cleaved caspase-3, caspase-3, B-cell lymphoma-2 and BCL2-associated x protein (Bax) were detected by western blot in P12 cells. Cell viability and apoptosis were revealed by cell counting kit-8...
Source: Neurochemical Research - February 2, 2021 Category: Neuroscience Authors: Fan Y, Wei L, Zhang S, Song X, Yang J, He X, Zheng X Tags: Neurochem Res Source Type: research

Gastrodin Alleviates Cerebral Ischemic Damage in Mice by Improving Anti-oxidant and Anti-inflammation Activities and Inhibiting Apoptosis Pathway.
Abstract Gastrodin (GAS), an active constituent of the Chinese herbal medicine Tianma, has anti-oxidant and anti-inflammation activities but its protective effect to the prevention of neurotoxicity induced by ischemic stroke is unclear. In the present study, middle cerebral artery occlusion (MCAO) was used to establish a mice ischemic stroke model. Infarct volume ratio and neurobehavioral score were evaluated, Nissl staining was performed and the expression of cleaved Caspase 3, Bax and B cell lymphoma 2 (Bcl-2) were assessed at 24 h or 7 days after reperfusion. In addition, the total superoxide dismutase (SOD) ...
Source: Neurochemical Research - January 13, 2015 Category: Neuroscience Authors: Peng Z, Wang S, Chen G, Cai M, Liu R, Deng J, Liu J, Zhang T, Tan Q, Hai C Tags: Neurochem Res Source Type: research