期刊
EPILEPSIA
卷 50, 期 -, 页码 3-8出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1528-1167.2009.02289.x
关键词
Cortical dysplasia; Hemimegalencephaly; Tuberous sclerosis; Ganglioglioma; mTOR
资金
- Department of Defense CDMRP TSC Initiative
- [R01NS045877]
P>Focal malformations of cortical development are highly associated with intractable epilepsy in children and adults. Most patients with focal cortical malformations and epilepsy will require epilepsy surgery. Recent studies have provided new insights into the developmental pathogenesis of cortical malformations specifically relating to alterations in cell signaling though the mammalian target of rapamycin (mTOR) pathway. Focal cortical dysplasias, hemimegalencephaly, and tubers in tuberous sclerosis complex all exhibit evidence for hyperactive mTOR signaling, suggesting that these disorders form a spectrum of malformations or TORopathies characterized by disorganized cortical lamination, cytomegaly, and intractable seizures. Alterations in mTOR activity in focal brain malformations provide a potential pathogenic pathway to investigate for gene mutations and to exploit for animal models. Most importantly, however, if select focal cortical malformations result from enhanced mTOR signaling, new therapeutic antiepileptic compounds, such as rapamycin, can be designed and tested that specifically target mTOR signaling.
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