[Advanced paternal age-related germline mutations in the offspring with neurodevelopmental disorders: An update]

Gao-Feng Yan1, Di Zhao2, Shu-Hua Zhao2

  • 1Department of Reproduction and Genetics, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, China .

Insights

Advanced paternal age (APA) increases offspring neurodevelopmental disorder (NDD) risk due to DNA and epigenetic changes in sperm. Further research is needed to understand these complex, synergistic effects.

Area of Science:

  • Reproductive Biology
  • Developmental Neuroscience
  • Genetics

Background:

  • Childbirth at advanced maternal and paternal ages is increasing globally.
  • Advanced paternal age (APA) is linked to adverse offspring health outcomes, including neurodevelopmental disorders (NDDs).
  • Mechanisms may involve aging-related DNA damage and epigenetic alterations in male germ cells.

Purpose of the Study:

  • To review the association between APA and NDDs in offspring.
  • To explore potential biological mechanisms linking APA to NDDs.
  • To highlight the need for advanced research into multifactorial causes.

Main Methods:

  • Literature review of epidemiological data on NDDs.
  • Examination of germline de novo mutations and their accumulation.
  • Analysis of epigenetic modifications in spermatozoa.
  • Review of existing univariate studies on APA and NDDs.

Main Results:

  • APA is associated with an increased risk of NDDs in offspring.
  • Potential contributing factors include germline mutations and epigenetic changes.
  • Current research often employs limited univariate analytical approaches.

Conclusions:

  • APA poses risks for offspring neurodevelopment.
  • Multiple synergistic mechanisms likely contribute to APA-related NDDs.
  • Further investigation into complex, multifactorial effects is crucial for diagnosis and treatment.

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