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Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
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Related Experiment Video

Updated: Sep 6, 2025

Stable Isotope In-Vivo Labeling for Mass-Spectrometry Identification of Paternal Metabolites Transferred from Sperm to Oocyte During Fertilization
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Advanced Paternal Age and Future Generations.

Peter T K Chan1, Bernard Robaire2,3

  • 1Department of Urology, McGill University Health Centre, Montreal, QC, Canada.

Frontiers in Endocrinology
|June 27, 2022
PubMed
Summary
This summary is machine-generated.

Advanced paternal age impacts offspring health and development. Research reviews animal models and clinical data, exploring mechanisms and management strategies for reproductive risks associated with older fathers.

Keywords:
animal modelsartificial reproduction technologiesoxidative stressprogeny outcomespermatozoa

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Area of Science:

  • Reproductive biology
  • Developmental toxicology
  • Gerontology

Background:

  • Paternal age at conception is rising globally.
  • Advanced paternal age is linked to various adverse progeny outcomes.
  • Understanding these effects is crucial for reproductive health.

Purpose of the Study:

  • To review evidence linking paternal age to progeny outcomes.
  • To explore mechanisms of germ cell alteration in aging fathers.
  • To analyze current management strategies for associated reproductive risks.

Main Methods:

  • Review of mammalian animal models to assess paternal age effects.
  • Analysis of clinical observations on fertility and offspring health.
  • Examination of potential molecular mechanisms in aged germ cells.

Main Results:

  • Mammalian models confirm paternal age impacts progeny across generations.
  • Clinical data associate advanced paternal age with fertility issues, perinatal complications, increased cancer risk, genetic diseases, and neurodevelopmental disorders.
  • Potential mechanisms involve alterations in germ cells due to aging.

Conclusions:

  • Advanced paternal age presents significant reproductive challenges.
  • Effective management strategies are needed to mitigate risks.
  • Further research is required to address this clinical quandary.