Severe myoclonic epilepsy of infancy (SMEI or Dravet syndrome) is a rare disorder occurring in young children often without a family history of a similar disorder. The earliest disease manifestations are usually fever-associated seizures. Later in life, patients display different types of afebrile s
Novel SCN1A frameshift mutation with absence of truncated NaV1.1 protein in severe myoclonic epilepsy of infancy
β Scribed by Erin J. McArdle; Jennifer D. Kunic; Alfred L. George Jr.
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 92 KB
- Volume
- 146A
- Category
- Article
- ISSN
- 1552-4825
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De novo mutations in the SCN1A gene, encoding the alpha1-subunit of the neuronal voltage-gated sodium channel Nav1.1, are the most frequent genetic cause of Severe Myoclonic Epilepsy of Infancy known so far. A few mutations inherited from an asymptomatic or mildly affected parent have been reported,
TABLE I. Colony-Forming Assay From CD34 + Bone Marrow Cells Serum a BFU-E/10 2 CD34 + cells Control 1 50.2 Β± 4.6 Control 2 48.5 Β± 14.1 Before chemotherapy 24.4 Β± 6.2 b After chemotherapy 50.5 Β± 6.5 Values are means Β± SD of triplicate cultures. a Control 1; normal AB serum, Control 2; serum from a pa