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Updated: May 15, 2026
08:44
Dynamic Clamp Methods to Investigate Impaired Neuronal Excitability Associated with Autism
Published on: October 17, 2025
Illuminating hidden genetic architecture in autism
1Eugene McDermott Center for Human Growth and Development, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Department of Psychiatry, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Center for the Genetics of Host Defense, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA; Peter O'Donnell Jr. Brain Institute, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
Cell Genomics
|May 13, 2026
Summary
Long-read genome sequencing overcomes short-read limitations, revealing hidden structural and repeat variants linked to autism risk. This advances our understanding of autism
Area of Science:
- Genetics
- Neurodevelopmental Disorders
- Genomic Variation
Background:
- Autism spectrum disorder (ASD) genetics is complex.
- Short-read sequencing has limitations in detecting structural and repeat variants.
- These variants are implicated in neurodevelopmental disorders but remain understudied in autism.
Purpose of the Study:
- To investigate the role of structural and repeat variants in autism.
- To leverage long-read genome sequencing for comprehensive variant detection.
- To quantify the contribution of these variants to autism risk and their impact on gene regulation.
Main Methods:
- Utilized long-read genome sequencing technology.
- Applied advanced bioinformatics pipelines for variant calling.
- Analyzed structural variants (SVs) and repeat expansions.
- Correlated identified variants with autism diagnosis and gene expression data.
Main Results:
- Identified a substantial number of previously inaccessible structural and repeat variants.
- Quantified the association of these variants with autism risk.
- Demonstrated that these variants disrupt gene regulation in neurodevelopment.
- Expanded the known landscape of genetic mutations contributing to autism.
Conclusions:
- Long-read sequencing is crucial for uncovering complex genetic architectures in autism.
- Structural and repeat variants play a significant role in autism etiology.
- These findings provide new mechanistic insights into autism pathogenesis and neurodevelopment.
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