期刊
CELL CYCLE
卷 9, 期 12, 页码 2281-2285出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/cc.9.12.11866
关键词
kainate; apoptosis; epilepsy; seizure; rat
类别
资金
- National Institutes of Health [K02 NS045583, R01 NS056872]
- Tuberous Sclerosis Alliance, and Citizens United for Research in Epilepsy
Identification of cell signaling mechanisms mediating seizure-related neuronal death and epileptogenesis is important for developing more effective therapies for epilepsy. The mammalian target of rapamycin (mTOR) pathway has recently been implicated in regulating neuronal death and epileptogenesis in rodent models of epilepsy. In particular, kainate-induced status epilepticus causes abnormal activation of the mTOR pathway, and the mTOR inhibitor, rapamycin, can decrease the development of neuronal death and chronic seizures in the kainate model. Here, we discuss the significance of these findings and extend them further by identifying upstream signaling pathways through which kainate status epilepticus activates the mTOR pathway and by demonstrating limited situations where rapamycin may paradoxically increase mTOR activation and worsen neuronal death in the kainate model. Thus, the regulation of seizure-induced neuronal death and epileptogenesis by mTOR is complex and may have dual, opposing effects depending on the physiological and pathological context. Overall, these findings have important implications for designing potential neuroprotective and antiepileptogenic therapies that modulate the mTOR pathway.
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