How older fathers' mutations affect sperm production and offspring health

Paternal age effect mutations as selfish drivers of germline stem cell clonality

NIH-funded research University of Utah · NIH-10903616

This study looks at how tiny cells that help make sperm change over a man's life, especially as he gets older, and it uses zebrafish to see how certain changes in these cells might affect the health of future children.

Quick facts

Grant typeFellowship grant
Study typeNIH-funded research
Funding institutionUniversity of Utah NIH-funded
Lab location1 site (Salt Lake City, United States)
Project IDNIH-10903616 on NIH RePORTER

What this research studies

This research investigates how spermatogonial stem cells (SSCs) contribute to sperm production over a male's lifetime, particularly focusing on the impact of mutations that may arise as fathers age. By using zebrafish as a model, the study will trace the lineage of individual SSCs and assess how certain mutations can give these cells a competitive edge, potentially affecting the health of their offspring. The research aims to understand the dynamics of SSC competition and the implications of these mutations for reproductive aging and future interventions.

Who could benefit from this research

Good fit: Ideal candidates for this research are older male patients or those concerned about the effects of paternal age on fertility and offspring health.

Not a fit: Patients who are not male or those who are not of reproductive age may not receive benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved reproductive health interventions for older fathers, enhancing offspring health outcomes.

How similar studies have performed: Previous research has shown promising results in understanding the effects of paternal age on reproductive health, making this approach both relevant and potentially impactful.

Where this research is happening

Salt Lake City, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.