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Baicalin protects neonatal rat brains against hypoxicischemic injury by upregulating glutamate transporter 1 via the phosphoinositide 3-kinase/protein kinase B signaling pathway 被引量:16
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作者 Zhi-qing Zhou Yong-liang Li +5 位作者 zhen-bo ao Zhi-li Wen Qi-wen Chen Zheng-gang Huang Bing Xiao Xiao-hua Yan 《Neural Regeneration Research》 SCIE CAS CSCD 2017年第10期1625-1631,共7页
Baicalin is a flavonoid compound extracted from Scutellaria baicalensis root.Recent evidence indicates that baicalin is neuroprotective in models of ischemic stroke.Here,we investigate the neuroprotective effect of ba... Baicalin is a flavonoid compound extracted from Scutellaria baicalensis root.Recent evidence indicates that baicalin is neuroprotective in models of ischemic stroke.Here,we investigate the neuroprotective effect of baicalin in a neonatal rat model of hypoxic-ischemic encephalopathy.Seven-day-old pups underwent left common carotid artery ligation followed by hypoxia(8% oxygen at 37°C) for 2 hours,before being injected with baicalin(120 mg/kg intraperitoneally) and examined 24 hours later.Baicalin effectively reduced cerebral infarct volume and neuronal loss,inhibited apoptosis,and upregulated the expression of p-Akt and glutamate transporter 1.Intracerebroventricular injection of the phosphoinositide 3-kinase/protein kinase B(PI3 K/Akt) inhibitor LY294002 30 minutes before injury blocked the effect of baicalin on p-Akt and glutamate transporter 1,and weakened the associated neuroprotective effect.Our findings provide the first evidence,to our knowledge that baicalin can protect neonatal rat brains against hypoxic-ischemic injury by upregulating glutamate transporter 1 via the PI3 K/Akt signaling pathway. 展开更多
关键词 nerve regeneration baicalin hypoxia ischemia PI3K/Akt signaling pathway glutamate transporter 1 excitotoxicity neonatal rats apoptosis neural regeneration
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