Inhibition of mTOR by rapamycin has been shown to suppress seizures in TSC/PTEN genetic models. Rapamycin, when applied immediately before or after a neurological insult, also prevents the development of spontaneous recurrent seizures (epileptogenesis) in an acquired model. In the present study, we examined the mTOR pathway in rats that had already developed chronic spontaneous seizures in a pilocarpine model. We found that mTOR is aberrantly activated in brain tissues from rats with chronic seizures. Furthermore, inhibition of mTOR by rapamycin treatment significantly reduces seizure activity. Finally, mTOR inhibition also significantly suppresses mossy fiber sprouting. Our findings suggest the possibility for a much broader window for intervention for some acquired epilepsies by targeting the mTOR pathway. (C) 2010 Elsevier Inc. All rights reserved.
机构:
Stanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Stanford Univ, Dept Neurol & Neurol Sci, Stanford, CA 94305 USAStanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Buckmaster, Paul S.
;
Ingram, Elizabeth A.
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机构:
Stanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Western Univ, Coll Vet Med, Pomona, CA 91766 USAStanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Ingram, Elizabeth A.
;
Wen, Xiling
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Stanford Univ, Dept Comparat Med, Stanford, CA 94305 USAStanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
机构:
Stanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Stanford Univ, Dept Neurol & Neurol Sci, Stanford, CA 94305 USAStanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Buckmaster, Paul S.
;
Ingram, Elizabeth A.
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Western Univ, Coll Vet Med, Pomona, CA 91766 USAStanford Univ, Dept Comparat Med, Stanford, CA 94305 USA
Ingram, Elizabeth A.
;
Wen, Xiling
论文数: 0引用数: 0
h-index: 0
机构:
Stanford Univ, Dept Comparat Med, Stanford, CA 94305 USAStanford Univ, Dept Comparat Med, Stanford, CA 94305 USA