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Related Concept Videos

Autism Spectrum Disorder01:19

Autism Spectrum Disorder

1.7K
Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
These core symptoms manifest differently among individuals, ranging from mild to severe. The disorder's complexity extends beyond its clinical presentation, encompassing a diverse range of biological, cognitive, and sociocultural influences.
1.7K

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Comprehensive molecular testing in patients with high functioning autism spectrum disorder.

Maria Isabel Alvarez-Mora1, Rosa Calvo Escalona2, Olga Puig Navarro2

  • 1Biochemistry and Molecular Genetics Department, Hospital Clinic, Villarroel 170, 08036 Barcelona, Spain; CIBER of Rare Diseases (CIBERER), Villarroel 170, 08036 Barcelona, Spain; IDIBAPS, Rosselló 149, 08036 Barcelona, Spain.

Mutation Research
|February 5, 2016
PubMed
Summary

This study developed a gene panel for autism spectrum disorder (ASD) genetic testing. The research identified novel genetic variants, highlighting the complexity of ASD molecular diagnosis and its genetic diversity.

Keywords:
Autism spectrum disordersCandidate genesCopy number variantsNext generation sequencingSingle nucleotide variants

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Area of Science:

  • Genetics
  • Neurodevelopmental Disorders

Background:

  • Autism spectrum disorders (ASD) are complex neurodevelopmental conditions characterized by significant genetic heterogeneity.
  • Genetic sequencing studies are crucial for identifying novel ASD-associated genes.

Purpose of the Study:

  • To design and pilot a candidate gene panel for autism spectrum disorder (ASD) covering 44 top ASD genes.
  • To perform comprehensive molecular diagnostic testing on a cohort of Spanish ASD cases.

Main Methods:

  • Targeted next-generation sequencing for mutation screening.
  • Analysis of FMR1 and FMR2 repeat regions.
  • Copy number variant (CNV) analysis.

Main Results:

  • Detection of previously unidentified copy number and single nucleotide variants in ASD cases.
  • Successful application of a targeted gene panel for ASD genetic screening.
  • Identification of genetic variants in a cohort of 50 Spanish ASD patients.

Conclusions:

  • The study confirms the significant genetic heterogeneity of autism spectrum disorder.
  • Molecular diagnosis of ASD remains challenging, necessitating advanced genetic screening techniques.
  • Further research is needed to interpret the clinical significance of newly identified variants.