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Homozygosity analysis in subjects with autistic spectrum disorder

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Autistic spectrum disorder (ASD) is a complex neurodevelopmental disorder that results in social and communication impairments, as well as repetitive and stereotyped patterns. Genetically, ASD has been described as a multifactorial genetic disorder. The aim of the present study was to investigate possible susceptibility loci of ASD, utilizing the highly consanguineous and inbred nature of numerous families within the population of Saudi Arabia. A total of 13 multiplex families and 27 affected individuals were recruited and analyzed using Affymetrix GeneChip® Mapping 250K and 6.0 arrays as well as Axiom arrays. Numerous regions of homozygosity were identified, including regions in genes associated with synaptic function and neurotransmitters, as well as energy and mitochondriaassociated genes, and developmentallyassociated genes. The loci identified in the present study represent regions that may be further investigated, which could reveal novel changes and variations associated with ASD, reinforcing the complex inheritance of the disease.
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Document Type: Research Article

Affiliations: 1: Behavioral Genetics Unit, Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh 11211, Saudi Arabia 2: Center for Autism Research, King Faisal Specialist Hospital, Riyadh 11211, Saudi Arabia 3: Department of Genetics, King Faisal Specialist Hospital and Research Center, Riyadh 11211, Saudi Arabia

Publication date: August 1, 2015

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  • Molecular Medicine Reports is a monthly, peer-reviewed journal available in print and online, that includes studies devoted to molecular medicine, underscoring aspects including pharmacology, pathology, genetics, neurosciences, infectious diseases, molecular cardiology and molecular surgery. In vitro and in vivo studies of experimental model systems pertaining to the mechanisms of a variety of diseases offer researchers the necessary tools and knowledge with which to aid the diagnosis and treatment of human diseases.
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