[Estimation of association of CNTN6 copy number variation with idiopathic intellectual disability].

Analysis of the prevalence of copy number variations of the CNTN6 gene, recently selected as a new candidate gene for intellectual disorders, was performed. did not detect any change in the number of CNTN6 gene copies in a group of 200 patients with impaired intellectual development. However, taking into account our data from the previous aCGH analysis and published data, the overall frequency of microdeletions and microduplications of CNTN6 was estimated as 1: 265 (0.4%). The common phenotypic features of 40 patients with microdeletions and microduplications of CNTN6 appeared to be the autism spectrum disorders, developmental delay, intellectual disability, seizures, cognitive impairment, cardiological defects, and behavioral problems.

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