How flu virus molecules and cell proteins help the virus infect people

RNA:protein interactions that dictate the success of influenza virus infection

NIH-funded research University of Wisconsin-Madison · NIH-11372697

Researchers are looking at how flu virus pieces and certain human cell proteins team up to help the virus cause infection in people.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Wisconsin-Madison NIH-funded
Lab location1 site (Madison, United States)
Project IDNIH-11372697 on NIH RePORTER

What this research studies

This work studies the molecular contacts between influenza virus RNAs and host proteins to learn how those interactions change the body’s early immune response. The team focuses on a host protein called IFIT2 that normally fights viruses but appears to be co-opted to help influenza, and on the viral nucleoprotein (NP) that binds host RNAs. Using lab-grown human cells, biochemical mapping of RNA:protein binding, and cell-based infection experiments, they will map which interactions promote or stop virus replication. The findings will guide ideas for new drugs or other ways to block the virus.

Who could benefit from this research

Good fit: People with recent influenza infection who can donate respiratory samples or blood for laboratory analysis would be the most relevant contributors.

Not a fit: Patients seeking an immediate new treatment are unlikely to benefit directly because this is basic laboratory research rather than a clinical trial.

Why it matters

Potential benefit: If successful, this could identify new targets to stop flu virus replication and lead to better antiviral drugs or treatments.

How similar studies have performed: Earlier lab studies have shown IFIT2 and viral NP interact with viral and host RNAs and can change virus growth, but translating these findings into treatments is still new and unproven.

Where this research is happening

Madison, 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.