Changes in tiny particles from insulin-producing cells in Type 1 diabetes
Implications of Changes in Islet Exosomal Cargo in Type 1 Diabetes
This project looks at whether tiny packages released by insulin-producing cells carry a protective protein (PD-L1) that might help those cells survive in people with Type 1 diabetes.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Indiana University Indianapolis NIH-funded |
| Lab location | 1 site (Indianapolis, United States) |
| Project ID | NIH-11131094 on NIH RePORTER |
What this research studies
You will learn about how insulin-producing beta cells send out tiny packages called exosomes and how those packages change when the cells are stressed by inflammation. Researchers will study exosomes from beta cells grown in the lab and from relevant tissue samples, comparing normal and inflammatory conditions. They will use chemical and genetic tools to pinpoint the signals that control whether PD-L1, an immune-protective protein, is packed into exosomes. The team will also test how these exosomes influence nearby immune cells and beta cell survival in the lab.
Who could benefit from this research
Good fit: People with Type 1 diabetes or those at high risk of developing it would be the patient groups most relevant to the findings and any follow-up clinical work.
Not a fit: Patients with unrelated conditions or those looking for immediate new treatments are unlikely to receive direct benefit from this basic laboratory-focused project.
Why it matters
Potential benefit: If successful, this work could reveal new ways beta cells try to protect themselves and point to targets for therapies that preserve insulin-producing cells in Type 1 diabetes.
How similar studies have performed: Related lab studies have shown that exosomes can carry immune signals, but the specific role of exosomal PD-L1 in beta cell survival is a newer, less-tested idea.
Where this research is happening
Indianapolis, United States
- Indiana University Indianapolis — Indianapolis, United States (Active)
Researchers
- Principal investigator: Sims, Emily K — Indiana University Indianapolis
- Study coordinator: Sims, Emily K
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.