【摘 要】
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To investigated the roles of cysteinyl leukotriene receptor 1 (CysLT1 R) in Aβ1-42-induced neurotoxicity in vitro or in vivo.In vitro exposure of mouse pri
【机 构】
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Department of Pharmacology, China Pharmaceutical University, Nanjing 210009, China
【出 处】
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第十六届全国神经精神药理学学术会议
论文部分内容阅读
To investigated the roles of cysteinyl leukotriene receptor 1 (CysLT1 R) in Aβ1-42-induced neurotoxicity in vitro or in vivo.In vitro exposure of mouse primary neurons to Aβ1-42 caused gradual increases in CysLT1R expression.In vivo bilateral intrahippocampal injection of Aβ1-42 also elicited time-dependent increases of CysLT1 R expression in either hippocampus or cortex of mice.CysLT1R antagonist pranlukast not only reversed Aβ1-42-induced upregulation of CysLT1R, but also suppressed Aβ1-42-triggered neurotoxicity evidenced by increased NFκB p65, activated caspase-3, decreased Bcl-2, reduced cellular viability and impaired memory.Furthermore, Chronic treatment with pranlukast produced similar beneficial effects on memory behavior and hippocampal LTP to memantine or donepezil in intrahippocampal Aβ1-42-injected mice.Our data indicate that CysLT1R is involved in Aβ1-42-induced neurotoxicity and blockade of CysLT1 R, such as application of CysLT1 R antagonist, could be a novel and promising strategy for treatment of AD.
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