Title |
Mutations in mammalian target of rapamycin regulator DEPDC5 cause focal epilepsy with brain malformations
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Published in |
Annals of Neurology, April 2014
|
DOI | 10.1002/ana.24126 |
Pubmed ID | |
Authors |
Ingrid E. Scheffer, Sarah E. Heron, Brigid M. Regan, Simone Mandelstam, Douglas E. Crompton, Bree L. Hodgson, Laura Licchetta, Federica Provini, Francesca Bisulli, Lata Vadlamudi, Jozef Gecz, Alan Connelly, Paolo Tinuper, Michael G. Ricos, Samuel F. Berkovic, Leanne M. Dibbens |
Abstract |
We recently identified DEPDC5 as the gene for familial focal epilepsy with variable foci and found mutations in >10% of small families with nonlesional focal epilepsy. Here we show that DEPDC5 mutations are associated with both lesional and nonlesional epilepsies, even within the same family. DEPDC5-associated malformations include bottom-of-the-sulcus dysplasia (3 members from 2 families), and focal band heterotopia (1 individual). DEPDC5 negatively regulates the mammalian target of rapamycin (mTOR) pathway, which plays a key role in cell growth. The clinicoradiological phenotypes associated with DEPDC5 mutations share features with the archetypal mTORopathy, tuberous sclerosis, raising the possibility of therapies targeted to this pathway. Ann Neurol 2014;75:782-787. |
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Readers by professional status | Count | As % |
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Student > Ph. D. Student | 18 | 13% |
Other | 16 | 11% |
Student > Doctoral Student | 11 | 8% |
Student > Bachelor | 8 | 6% |
Other | 33 | 24% |
Unknown | 31 | 22% |
Readers by discipline | Count | As % |
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Biochemistry, Genetics and Molecular Biology | 15 | 11% |
Pharmacology, Toxicology and Pharmaceutical Science | 5 | 4% |
Other | 7 | 5% |
Unknown | 42 | 30% |