Understanding how the immune system and brain barriers affect depression and anhedonia
Official title: Neuroimmune Mechanisms of Depression and Anhedonia
Funded at Icahn School of Medicine at Mount Sinai · NIH-11367642 · Data updated 2026-11-12
A research project is studying how immune signals and the brain’s protective barrier relate to depression and loss of pleasure in adults.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Icahn School of Medicine at Mount Sinai NIH-funded |
| Lab location | 1 site (New York, United States) |
| Project start | August 1, 2026 |
| Project end | April 30, 2031 |
| Funding year | 2026 |
| Award (this year) | $839,815 |
| NIH project number | 1R01MH141038-01A1 |
| Project ID | NIH-11367642 on NIH RePORTER |
Who could benefit from this research
✓Could help
Adults with major depressive disorder or significant anhedonia who are willing to participate in longitudinal studies and blood/brain imaging.
✕Less likely to help
People who cannot participate in follow-up visits or MRI studies may not benefit from this research.
What this research studies
This project looks at adults with affective disorders to understand whether immune activity and changes in the blood-brain barrier contribute to how severe depression and anhedonia are. It uses clinical assessments, blood tests, and brain connectivity measures to connect immune markers with brain function related to reward. The study follows participants over about three months to see how these factors change together and with symptoms. If the findings hold, they could point to new ways of diagnosing and tailoring treatments for depression.
Why it matters
Potential benefit: It could lead to new ways to diagnose subtypes of depression and guide targeted treatments.
How similar studies have gone: Previous work suggests links between peripheral immune signals and brain function in mood disorders, but this project aims to map dynamics over time.
Where this research is happening
-
Icahn School of Medicine at Mount Sinai
New York, United States Active
Researchers
- Principal investigator: Murrough, James Warren — Icahn School of Medicine at Mount Sinai
- Study coordinator: Murrough, James Warren
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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.