NIH-funded research R15 grant

TLR7 activation and natural killer (NK) cell killing in humans

Official title: Dissecting the Differential Impacts of Toll-like Receptor 7 Agonism on the Capacity of Human Natural Killer Cells to Mediate Target Cell Killing

Funded at University of Nebraska Omaha · NIH-11444131 · Data updated 2026-11-12

A study to see how stimulating TLR7 affects how human NK cells kill target cells through antibody-assisted activity.

Quick facts

Grant typeR15 grant
Study typeNIH-funded research
Funding institutionUniversity of Nebraska Omaha
NIH-funded
Lab location1 site (Omaha, United States)
Project startJune 8, 2023
Project endAugust 31, 2029
Funding year2026
Award (this year)$371,250
NIH project number2R15AI178516-02
Project IDNIH-11444131 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are adults with a human immune system suitable for in vitro studies using their own PBMCs or samples from healthy volunteers.

Less likely to help

Individuals not contributing samples or whose cells are unusable for the assays would not benefit directly.

What this research studies

This project looks at how a TLR7 agonist changes the ability of human NK cells to mediate ADCC. Researchers will examine whether CD16 is shed from NK cells after TLR7 activation and how this impacts killing of antibody-tagged targets. The work uses human immune cells and PBMCs to explore mechanisms that could influence immunotherapies. Findings could guide safer and more effective use of TLR7-based approaches in patients. The research builds on prior work with TLR9 and aims to clarify the role of TLR7 in NK cell function.

Why it matters

Potential benefit: If successful, it could inform development of immunotherapies that harness NK cells more effectively.

How similar studies have gone: Previous work with TLR9 showed effects on NK cell killing, and this study tests if similar or different outcomes occur with TLR7.

Where this research is happening

  • University of Nebraska Omaha
    Omaha, United States
    Active

Researchers

  • Principal investigator: Denton, Paul W. — University of Nebraska Omaha
  • Study coordinator: Denton, Paul W.

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.