NIH-funded research R21 grant

Creating artificial seminiferous tubules to help with male infertility

Official title: Biofabricating Seminiferous Tubules for In Vitro Spermatogenesis

Funded at Pennsylvania State University, the · NIH-10800970 · Data updated 2026-11-12

This study is working on a new way to create tiny structures that mimic the natural environment for sperm production, which could help improve treatments for male infertility and offer better options for those struggling to conceive.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionPennsylvania State University, the
NIH-funded
Lab location1 site (University Park, United States)
Project startSeptember 20, 2023
Project endAugust 31, 2025
Funding year2023
Award (this year)$413,843
NIH project number1R21HD114044-01
Project IDNIH-10800970 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are men experiencing infertility due to failed spermatogenesis.

Less likely to help

Patients with infertility not related to spermatogenesis or those with other underlying health issues may not benefit from this research.

What this research studies

This research focuses on developing a new method to create artificial seminiferous tubules that mimic the natural environment where sperm is produced. By using advanced micro-extrusion technology, the researchers aim to fabricate these tubules with the correct cellular organization and composition found in the human body. This innovative approach could allow for more effective in vitro spermatogenesis, which is crucial for understanding and treating male infertility. Patients may benefit from improved diagnostic and therapeutic options for infertility as a result of this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments for male infertility, potentially restoring fertility in affected individuals.

How similar studies have gone: While there have been advancements in testis cell culture systems, this specific approach to biofabricating seminiferous tubules is novel and has not been extensively tested.

Where this research is happening

  • Pennsylvania State University, the
    University Park, United States
    Active

Researchers

  • Principal investigator: Lei, Yuguo — Pennsylvania State University, the
  • Study coordinator: Lei, Yuguo

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.