3 years ago

Gene Disrupting Mutations Associated with Regression in Autism Spectrum Disorder

Robin P. Goin-Kochel, Raphael Bernier, Sandy Trinh, Shelley Barber


Approximately one-third of children with autism spectrum disorder (ASD) reportedly lose skills within the first 3 years, yet a causal mechanism remains elusive. Considering evidence of strong genetic effects for ASD and findings that distinct phenotypes in ASD associate with specific genetic events, we examined rates of parent-reported regression in the Simons Simplex Collection with likely gene disrupting mutations from five distinct classes: FMRP target genes, genes encoding chromatin modifiers, genes expressed preferentially in embryos, genes encoding postsynaptic density proteins, and essential genes. Children with ASD and mutations in postsynaptic density genes were more likely to experience regression, while a trend suggested that children with ASD and mutations in embryonic genes were less likely to have skill losses.

Publisher URL: https://link.springer.com/article/10.1007/s10803-017-3256-4

DOI: 10.1007/s10803-017-3256-4

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