Understanding how zebrafish determine their sex

Mechanisms of Sex Determination in Zebrafish

NIH-funded research University of Oregon · NIH-10994074

This study is looking at how genes and the environment help decide if zebrafish become male or female, using special tools to change their genes and see what happens, which could help us understand sex development in other animals, including humans.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Oregon NIH-funded
Lab location1 site (Eugene, United States)
Project IDNIH-10994074 on NIH RePORTER

What this research studies

This research investigates the genetic and environmental factors that influence sex determination in zebrafish, a model organism for studying developmental biology. By examining natural zebrafish populations, the study aims to identify specific genetic regions and mechanisms that dictate whether a fish develops as male or female. The researchers will utilize advanced genetic techniques, including CRISPR, to manipulate genes and observe the resulting effects on sex development. This work could provide insights into the complexities of sex determination that may also apply to other species, including humans.

Who could benefit from this research

Good fit: Ideal candidates for participation or benefit from this research would include individuals with differences in sex development or related genetic conditions.

Not a fit: Patients without any disorders of sex development or those not affected by genetic factors influencing sex determination may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could enhance our understanding of sex development disorders and lead to improved treatments or interventions for affected individuals.

How similar studies have performed: Previous research has shown success in using zebrafish as a model for studying genetic mechanisms, indicating that this approach has potential for yielding valuable insights.

Where this research is happening

Eugene, 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 2026-06-13 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.