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Paternal-age-related de novo mutations and risk for five disorders
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Journal Article
Paternal-age-related de novo mutations and risk for five disorders
2019
Overview
There are established associations between advanced paternal age and offspring risk for psychiatric and developmental disorders. These are commonly attributed to genetic mutations, especially de novo single nucleotide variants (dnSNVs), that accumulate with increasing paternal age. However, the actual magnitude of risk from such mutations in the male germline is unknown. Quantifying this risk would clarify the clinical significance of delayed paternity. Using parent-child trio whole-exome-sequencing data, we estimate the relationship between paternal-age-related dnSNVs and risk for five disorders: autism spectrum disorder (ASD), congenital heart disease, neurodevelopmental disorders with epilepsy, intellectual disability and schizophrenia (SCZ). Using Danish registry data, we investigate whether epidemiologic associations between each disorder and older fatherhood are consistent with the estimated role of dnSNVs. We find that paternal-age-related dnSNVs confer a small amount of risk for these disorders. For ASD and SCZ, epidemiologic associations with delayed paternity reflect factors that may not increase with age.
Advanced paternal age associates with increased risk for psychiatric and developmental disorders in offspring. Here, Taylor et al. utilize parent-child trio exome sequencing data sets to estimate the contribution of paternal age-related de novo mutations to multiple disorders, including heart disease and schizophrenia.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Adult
/ Age
/ Autism
/ Autism Spectrum Disorder - epidemiology
/ Autism Spectrum Disorder - genetics
/ Child
/ Epilepsy
/ Female
/ Heart Defects, Congenital - epidemiology
/ Heart Defects, Congenital - genetics
/ Humanities and Social Sciences
/ Humans
/ Intellectual Disability - epidemiology
/ Intellectual Disability - genetics
/ Male
/ Mutation
/ Neurodevelopmental disorders
/ Polymorphism, Single Nucleotide
/ Registries - statistics & numerical data
/ Risk
/ Schizophrenia - epidemiology
/ Science
