1. Atorvastatin pretreatment attenuates kainic acid-induced hippocampal neuronal death via regulation of lipocalin-2-associated neuroinflammation.
- Author
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Zhen Jin, Yohan Jung, Chin-ok Yi, Jong Youl Lee, Eun Ae Jeong, Jung Eun Lee, Ki-Jong Park, Oh-Young Kwon, Byeong Hoon Lim, Nack-Cheon Choi, and Gu Seob Roh
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ATORVASTATIN ,KAINIC acid ,CARDIOVASCULAR disease prevention ,CELL death ,NEURAL stem cells ,LABORATORY rats - Abstract
Statins mediate vascular protection and reduce the prevalence of cardiovascular diseases. Recent work indicates that statins have anticonvulsive effects in the brain; however, little is known about the precise mechanism for its protective effect in kainic acid (KA)-induced seizures. Here, we investigated the protective effects of atorvastatin pretreatment on KA-induced neuroinflammation and hippocampal cell death. Mice were treated via intragastric administration of atorvastatin for 7 days, injected with KA, and then sacrificed after 24 h. We observed that atorvastatin pretreatment reduced KA-induced seizure activity, hippocampal cell death, and neuroinflammation. Atorvastatin pretreatment also inhibited KA-induced lipocalin-2 expression in the hippocampus and attenuated KA-induced hippocampal cyclooxygenase-2 expression and glial activation. Moreover, AKT phosphorylation in KA-treated hippocampus was inhibited by atorvastatin pretreatment. These findings suggest that atorvastatin pretreatment may protect hippocampal neurons during seizures by controlling lipocalin-2-associated neuroinflammation. [ABSTRACT FROM AUTHOR]
- Published
- 2018
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