Paternal exposures: impact on reproductive and developmental outcome. An overview

G Friedler1

  • 1Boston University School of Medicine, MA 02118, USA.

Insights

Paternal exposures to various agents can negatively impact offspring development, leading to birth defects and health issues. Further research is needed to understand the mechanisms behind these male-mediated reproductive outcomes.

Area of Science:

  • Reproductive Toxicology
  • Developmental Biology
  • Environmental Health

Background:

  • Paternal exposures to drugs, chemicals, and radiation are linked to adverse offspring outcomes.
  • Documented effects include congenital malformations, spontaneous abortions, low birth weight, childhood cancers, and developmental abnormalities.

Purpose of the Study:

  • To review the documented adverse consequences of paternal exposures on offspring development.
  • To highlight the need for multidisciplinary research into male-mediated reproductive outcomes.

Main Methods:

  • Review of experimental and epidemiologic investigations.
  • Synthesis of findings on paternally-mediated abnormalities across various exposure types.

Main Results:

  • Paternal exposures can result in a wide spectrum of adverse effects in offspring, including F2 generation.
  • Fertility is often unaffected despite other adverse outcomes.
  • The specific genetic, epigenetic, or nongenetic mechanisms remain largely unknown.

Conclusions:

  • A broad range of paternal exposures can negatively impact reproductive outcomes.
  • The mechanisms underlying male-mediated adverse effects require further investigation.
  • Multidisciplinary research is essential to fully understand the paternal contribution to reproductive health.

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