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  • Title: Clinical and genetic evaluation of a family showing both autism and epilepsy.
    Author: Combi R, Redaelli S, Beghi M, Clerici M, Cornaggia CM, Dalprà L.
    Journal: Brain Res Bull; 2010 Apr 29; 82(1-2):25-8. PubMed ID: 20152887.
    Abstract:
    Autism is a strong genetic disorder, with an estimated heritability greater than 90%. Nonetheless, its specific genetic aetiology remains largely unknown. Autism is associated with epilepsy in early childhood and epilepsy occurs in 10-30% of individuals with autism. Here we report the case of a woman affected by a severe epileptic disorder with an onset at 14 years old. She is affected by a cryptogenetic focal epilepsy with complex partial (psychomotor) and secondarily generalized tonic-clonic seizures, which are drug resistant. The woman is married to a healthy man and has six children: two girls are healthy, a girl and two boys are affected by autism while one boy shows partial seizures. The three children with autism show moderate mental retardation and an EEG with no epileptiform alterations. The child with epileptic seizures shows an asymmetric EEG that is not necessarily pathological. In this family, no chromosomal rearrangements were detected by means of classical cytogenetic analyses. The presence of FRAXA alterations and of microdeletions of the 15q11-q13 chromosome region were also excluded. A genome-wide linkage analysis using microsatellite markers revealed several chromosome regions as possible susceptibility loci.
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