Lateral hypothalamic neurotensin neurons and narcolepsy symptoms
Official title: Lateral hypothalamic neurotensin neurons in the pathophysiology of narcolepsy
Funded at Beth Israel Deaconess Medical Center · NIH-11514439 · Data updated 2026-11-12
Aims to see if activating specific brain cells in the lateral hypothalamus can reduce sleepiness and cataplexy in narcolepsy models.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Beth Israel Deaconess Medical Center NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project start | September 1, 2026 |
| Project end | August 31, 2028 |
| Funding year | 2026 |
| Award (this year) | $475,475 |
| NIH project number | 1R21NS146763-01A1 |
| Project ID | NIH-11514439 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates are individuals with narcolepsy type 1 (or patients participating in future translation) and related sleep-wake disorders.
✕Less likely to help
People without narcolepsy or without involvement of NtsLH pathways may not benefit.
What this research studies
This project studies how neurotensin-producing neurons in the lateral hypothalamus influence narcolepsy with cataplexy. By monitoring these neurons during wakefulness, sleep loss, and exposure to emotional cues in both normal and narcolepsy-model mice, it tests whether increasing NtsLH activity lessens symptoms. The work uses cellular and population-level recordings to understand activity patterns and causal relationships with sleepiness and muscle weakness. If NtsLH signaling helps mitigate NT1 symptoms, it could point to new avenues for therapies that compensate for orexin loss.
Why it matters
Potential benefit: If successful, the research could identify a new brain pathway to lessen daytime sleepiness and cataplexy in narcolepsy patients.
How similar studies have gone: Previous data suggest NtsLH neurons influence sleep-wake and muscle tone, supporting potential relevance to NT1.
Where this research is happening
-
Beth Israel Deaconess Medical Center
Boston, United States Active
Researchers
- Principal investigator: Ramalingam, Vetrivelan — Beth Israel Deaconess Medical Center
- Study coordinator: Ramalingam, Vetrivelan
Related research
Other NIH-funded projects on the same topics.
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HBS-301 for Narcolepsy: daily wakefulness and sleepiness improvement in adults
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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.