Meningeal lymphatic drainage and behavior in Fragile X syndrome
Official title: Lymphatic dysfunction in neurodevelopmental disorders and associated behaviors
Funded at Cleveland Clinic Lerner Com-Cwru · NIH-11248020 · Data updated 2026-11-12
The team is testing whether fixing brain lymphatic drainage can improve social and behavioral problems in people with Fragile X syndrome.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Cleveland Clinic Lerner Com-Cwru NIH-funded |
| Lab location | 1 site (Cleveland, United States) |
| Project start | December 16, 2024 |
| Project end | November 30, 2029 |
| Funding year | 2026 |
| Award (this year) | $402,500 |
| NIH project number | 5R01MH133584-02 |
| Project ID | NIH-11248020 on NIH RePORTER |
Who could benefit from this research
✓Could help
People with Fragile X syndrome and caregivers of individuals with Fragile X are the most likely candidates for future human studies based on this research.
✕Less likely to help
People without Fragile X or whose symptoms are driven by causes unrelated to lymphatic or immune changes are unlikely to benefit from these findings.
What this research studies
From my perspective, researchers are studying how the brain's meningeal lymphatic vessels affect social behavior using a Fragile X (fmr1‑KO) mouse model. They will examine how loss of the fmr1 gene changes lymphatic vessel structure and immune signals like interferon‑gamma in the meninges. The team will test ways to restore drainage and measure effects on neuronal activity and social behaviors in the mice. Findings could guide future treatments aimed at lymphatic or immune pathways in people with Fragile X.
Why it matters
Potential benefit: If the findings translate to people, they could point to new treatments that target meningeal lymphatic or immune pathways to improve social and behavioral symptoms in Fragile X.
How similar studies have gone: Previous animal work linking meningeal lymphatic repair to improved brain function shows promise, but applying this approach to Fragile X is novel and has not yet been tested in humans.
Where this research is happening
-
Cleveland Clinic Lerner Com-Cwru
Cleveland, United States Active
Researchers
- Principal investigator: Louveau, Antoine — Cleveland Clinic Lerner Com-Cwru
- Study coordinator: Louveau, Antoine
Related research
Other NIH-funded projects on the same topics.
-
Intergenerational factors in neurodevelopmental disorders
This project looks at how experiences before and during pregnancy across generations may influence the risk of neurodevelopmental conditions like ADHD, autism, and related disorders in grandchildren.
-
Understanding brain signals in autism to identify biologically distinct subtypes
This study uses EEG to link how the brain processes sensory information with behavior in young children with autism and related concerns.
-
Clinical Translational Research Center for Neurodevelopmental Disorders
A funded center supports research on neurodevelopmental disorders like Angelman syndrome and autism to better understand causes and improve treatments for children.
-
Synaptic nanostructure in neurodevelopmental disorders
This project aims to map the tiny architecture of brain synapses in native cells to understand how connections form and change in neurodevelopmental disorders.
-
Maternal acetaminophen use in pregnancy and ADHD risk in children
A large study will follow thousands of mother-child pairs to see if taking acetaminophen during pregnancy relates to ADHD in kids.
-
GDF11’s role in brain development and autism-related disorders
A new NIH grant tests whether adjusting a growth factor called GDF11 can improve brain function and behaviors in models related to autism and other neurodevelopmental disorders.
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.