Investigating how immune proteins affect COVID-19 severity

Intracellular Membrane Attack Complexes and COVID-19 Immune Hyperactivation

NIH-funded research Yale University · NIH-10844646

This study is looking at how certain proteins in your immune system might cause problems in your blood vessels during severe COVID-19, and it's for anyone interested in understanding why some people get sicker than others.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionYale University NIH-funded
Lab location1 site (New Haven, United States)
Project IDNIH-10844646 on NIH RePORTER

What this research studies

This research explores the role of complement proteins in the immune response during severe COVID-19. It focuses on how these proteins form membrane attack complexes that can disrupt cell function without causing cell death. By examining the internalization of these complexes in endothelial cells, the study aims to uncover new mechanisms of immune hyperactivation that contribute to tissue injury in COVID-19 patients. The approach includes using specific viral antigens to trigger the formation of these complexes and studying their effects on cell behavior.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients experiencing severe COVID-19 symptoms, particularly those showing signs of immune hyperactivation.

Not a fit: Patients with mild COVID-19 symptoms or those who have recovered from the virus may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new therapeutic strategies to mitigate immune-related damage in COVID-19 patients.

How similar studies have performed: While the role of complement proteins in immune responses is well-established, this specific investigation into their non-cytolytic effects in COVID-19 is novel and has not been extensively tested.

Where this research is happening

New Haven, 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.