Paternal-age-related de novo mutations and risk for five disorders

Nat Commun. 2019 Jul 10;10(1):3043. doi: 10.1038/s41467-019-11039-6.

Abstract

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.

Publication types

  • Research Support, N.I.H., Extramural
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Age Factors
  • Autism Spectrum Disorder / epidemiology
  • Autism Spectrum Disorder / genetics
  • Child
  • Denmark / epidemiology
  • Epilepsy / epidemiology
  • Epilepsy / genetics
  • Female
  • Genetic Testing*
  • Heart Defects, Congenital / epidemiology
  • Heart Defects, Congenital / genetics
  • Humans
  • Incidence
  • Intellectual Disability / epidemiology
  • Intellectual Disability / genetics
  • Male
  • Middle Aged
  • Models, Genetic*
  • Mutation
  • Paternal Age*
  • Polymorphism, Single Nucleotide
  • Prevalence
  • Registries / statistics & numerical data
  • Risk Assessment / methods
  • Schizophrenia / epidemiology
  • Schizophrenia / genetics
  • Whole Exome Sequencing