How SARS-CoV-2 proteins delay early immune defenses

Investigating Interferon Antagonists in Delaying Innate Immune Responses to SARS-CoV-2

NIH-funded research Loyola University Chicago · NIH-11143923

This project looks at how parts of the coronavirus delay early immune responses in people with COVID-19 so researchers can find new ways to stop the virus.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionLoyola University Chicago NIH-funded
Lab location1 site (Maywood, United States)
Project IDNIH-11143923 on NIH RePORTER

What this research studies

Researchers are studying a viral protein called EndoU that helps coronaviruses hide pieces of their RNA so the body's early immune sensors don't notice the infection. They make viruses with EndoU turned off and compare how those viruses grow in cells and in animals versus normal virus while measuring interferon and other early immune signals. The team also identifies which viral RNA pieces EndoU targets and how that affects the MDA5 sensor and downstream immune signaling. The aim is to find viral features that could be targeted to boost early immune defense or to guide safer vaccine or antiviral design.

Who could benefit from this research

Good fit: People recently infected with SARS-CoV-2 or willing to donate blood or respiratory samples for COVID-19 research would be the most relevant candidates for related sample-collection efforts or future trials.

Not a fit: Patients without COVID-19 or those seeking an immediate treatment are unlikely to gain direct, immediate benefit from this lab-focused project.

Why it matters

Potential benefit: If successful, this work could point to new ways to boost the body's early antiviral response or to design antivirals or vaccines that reduce disease severity.

How similar studies have performed: Prior preclinical work showed that disabling EndoU increases interferon responses and weakens coronavirus replication and disease in cells and animal models, so this builds on promising experimental findings.

Where this research is happening

Maywood, 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.
Conditions COVID-19 infectionCOVID-19 virus infectionCOVID19 infection
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.