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- Nanchang Xie, Cui Wang, Youting Lin, Hui Li, Lin Chen, Tongxia Zhang, Yong Sun, Yi Zhang, Deling Yin, and Zhaofu Chi.
- Department of Neurology, Qilu Hospital, Shandong University, 44#, Wenhua Xi Road, Jinan 250012, China.
- Neurosci. Lett. 2010 Sep 20;482(1):51-6.
AbstractValproic acid (VPA), a widely prescribed drug for seizures and bipolar disorder, induces apoptosis in microglia, but the underlying mechanism by which microglia apoptosis in response to VPA is not yet known. In this study, we found that the mitochondrial pathway played an important role in VPA-induced apoptosis in both BV-2 microglia and mouse primary microglial cells. In addition, VPA increased the level of phospho-p38 mitogen-activated protein kinase (MAPK), but had no effects on phospho-ERK and phospho-JNK MAPKs. Moreover, p38 inhibitor SB203580 strongly inhibited VPA-induced apoptosis and caspase-3 activation. Taken together, our results clearly demonstrated that VPA could induce apoptosis of microglia via p38 MAPK and mitochondrial apoptosis pathway.Copyright 2010 Elsevier Ireland Ltd. All rights reserved.
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