AI Article Synopsis

  • Children with Autism Spectrum Disorder (ASD) show a wide range of social, communicative, and cognitive challenges, making it difficult to categorize their unique traits and genetic variations.
  • A study combined genetic data (specifically single nucleotide polymorphisms or SNPs) with phenotype data to create a network that identifies clusters of related ASD traits, uncovering specific genes linked to these traits.
  • The findings provide insights into the genetic links to various ASD characteristics, potentially enabling clinicians to develop more personalized interventions for improving patient outcomes.

Article Abstract

Children with Autism Spectrum Disorder (ASD) exhibit a wide diversity in type, number, and severity of social deficits as well as communicative and cognitive difficulties. It is a challenge to categorize the phenotypes of a particular ASD patient with their unique genetic variants. There is a need for a better understanding of the connections between genotype information and the phenotypes to sort out the heterogeneity of ASD. In this study, single nucleotide polymorphism (SNP) and phenotype data obtained from a simplex ASD sample are combined using a PheWAS-inspired approach to construct a phenotype-phenotype network. The network is clustered, yielding groups of etiologically related phenotypes. These clusters are analyzed to identify relevant genes associated with each set of phenotypes. The results identified multiple discriminant SNPs associated with varied phenotype clusters such as ASD aberrant behavior (self-injury, compulsiveness and hyperactivity), as well as IQ and language skills. Overall, these SNPs were linked to 22 significant genes. An extensive literature search revealed that eight of these are known to have strong evidence of association with ASD. The others have been linked to related disorders such as mental conditions, cognition, and social functioning.Clinical relevance- This study further informs on connections between certain groups of ASD phenotypes and their unique genetic variants. Such insight regarding the heterogeneity of ASD would support clinicians to advance more tailored interventions and improve outcomes for ASD patients.

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http://dx.doi.org/10.1109/EMBC46164.2021.9629533DOI Listing

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