Understanding how sperm survive in the oviduct despite immune responses

Oviduct Siglecs: Role in the Sperm Immune Response

NIH-funded research University of Illinois at Urbana-Champaign · NIH-10997422

This study is looking at how sperm can safely hang out in the oviduct without being attacked by the immune system, which is important for helping them reach the egg for fertilization.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Illinois at Urbana-Champaign NIH-funded
Lab location1 site (Champaign, United States)
Project IDNIH-10997422 on NIH RePORTER

What this research studies

This research investigates the unique ability of sperm to survive in the oviduct, where they are not attacked by the immune system, unlike in the uterus. The study focuses on the interactions between sperm and uterine cells, particularly how sperm can evade phagocytosis by immune cells. By examining the role of specific molecules called Siglecs and the sialic acid-terminating glycans on sperm, the research aims to uncover the mechanisms that allow sperm to persist in the oviduct for extended periods, which is crucial for successful fertilization.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals experiencing infertility or difficulties in conception.

Not a fit: Patients who are not trying to conceive or have no fertility issues may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new insights into fertility and potential treatments for individuals facing challenges in achieving pregnancy.

How similar studies have performed: While the specific mechanisms of sperm survival in the oviduct are not fully understood, similar research has shown promise in understanding immune interactions in reproductive biology.

Where this research is happening

Champaign, 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.