Understanding how CD28 costimulation affects T cell activation in cancer and viral infections

Cis-interaction mediated CD28 costimulation

NIH-funded research St. Jude Children's Research Hospital · NIH-11080112

This study is looking at how a special signal called CD28 helps activate T cells, which are important for fighting cancer and viral infections, by seeing if it can be turned on by molecules on the same T cell instead of from other cells, with the hope of finding better ways to boost the immune response in patients.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionSt. Jude Children's Research Hospital NIH-funded
Lab location1 site (Memphis, United States)
Project IDNIH-11080112 on NIH RePORTER

What this research studies

This research investigates the role of CD28, a critical costimulatory signal, in activating T cells, particularly in the context of cancer and viral infections. It aims to explore a novel mechanism where CD28 can be activated by B7 molecules on the same T cell, rather than from antigen-presenting cells. By understanding this unique interaction, the research seeks to enhance T cell responses against tumors and infections, potentially leading to improved immunotherapy strategies. The study will involve laboratory experiments to dissect the molecular mechanisms and functions of this cis-interaction.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients with cancers or chronic viral infections who may benefit from enhanced T cell responses.

Not a fit: Patients with conditions unrelated to T cell dysfunction or those not experiencing cancer or viral infections may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective immunotherapies for patients with cancer and viral infections.

How similar studies have performed: Other research has shown promise in enhancing T cell responses through costimulatory pathways, indicating that this approach may lead to significant advancements.

Where this research is happening

Memphis, 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.