NIH-funded research NIH-funded research

Understanding how membrane proteins help sperm and egg cells fuse during fertilization

Official title: Membrane proteins driving a cell-cell fusion reaction during fertilization

Funded at University of Wyoming · NIH-11259592 · Data updated 2026-11-12

This study is exploring how sperm and egg cells join together to create new life, focusing on a special protein called HAP2 that helps with this process, and it's using a type of green algae to learn more about how this works, which could help us understand fertility and related health issues better.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionUniversity of Wyoming
NIH-funded
Lab location1 site (Laramie, United States)
Project startApril 1, 2022
Project endFebruary 29, 2028
Funding year2025
Award (this year)$249,000
NIH project number4R00GM146112-03
Project IDNIH-11259592 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for participation or benefit from this research would include individuals experiencing infertility or those interested in reproductive health.

Less likely to help

Patients who are not seeking fertility treatments or have no interest in reproductive health may not receive any benefit from this research.

What this research studies

This research investigates the critical process of membrane fusion between sperm and egg cells, which is essential for fertilization in eukaryotic organisms. The study focuses on identifying the specific proteins involved in this fusion process, particularly the ancient protein HAP2, which has been shown to be vital across various species. By using a green alga as a model system, the research aims to uncover the mechanisms that regulate this fusion, potentially leading to new insights into reproductive biology and related diseases. The approach includes advanced techniques like cryo-electron microscopy to visualize the proteins involved.

Why it matters

Potential benefit: If successful, this research could lead to breakthroughs in understanding fertility and developing new treatments for infertility or transmission-blocking vaccines for diseases like malaria.

How similar studies have gone: Other research has shown success in understanding similar fusion proteins in viral infections, suggesting that this approach could yield valuable insights.

Where this research is happening

  • University of Wyoming
    Laramie, United States
    Active

Researchers

  • Principal investigator: Pinello, Jennifer Fricke — University of Wyoming
  • Study coordinator: Pinello, Jennifer Fricke

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.
Last reviewed 2026-11-14 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.