A new SPG4 mutation in a variant form of spastic paraplegia with congenital arachnoid cysts
A Orlacchio1, F Gaudiello, A Totaro
1Laboratory of Neurogenetics, University of Rome Tor Vergata, Rome, Italy. a.orlacchio@hsantalucia.it
Abstract:
The clinical and genetic findings are described for 16 patients from a large Italian family with a variant form of hereditary spastic paraplegia and congenital arachnoid cysts inherited as an autosomal dominant trait. A molecular study has revealed a novel missense mutation, T614I, in exon 17 of SPG4, which may play a role in both focal cortical dysgenesis and neurodegeneration of the motor neurons in the corticospinal tract.
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