How nitrogen-related brain chemistry affects sleep and Alzheimer's-related changes

Nitrogen metabolism in sleep homeostasis and pathology

NIH-funded research Kent State University · NIH-11175493

This work looks at whether shifts in nitrogen-linked chemicals called polyamines change sleep patterns and could drive Alzheimer’s-like brain damage, with relevance for people who have chronic sleep loss.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionKent State University NIH-funded
Lab location1 site (Kent, United States)
Project IDNIH-11175493 on NIH RePORTER

What this research studies

Researchers use fruit flies to trace where nitrogen goes in the body by feeding labeled ornithine and measuring metabolites with mass spectrometry. They compare short-term versus long-term sleep loss to see if the same polyamine patterns appear. Genetic tools (RNA interference) and polyamine supplements are used in flies to test which brain circuits and enzymes control sleep changes. The goal is to connect biochemical shifts in nitrogen use to rebound sleep and to longer-term neurodegenerative changes.

Who could benefit from this research

Good fit: People with chronic sleep problems, fatigue disorders, or increased Alzheimer’s risk might find this research relevant as it explores biological links between sleep and neurodegeneration.

Not a fit: Because this is basic lab work in fruit flies rather than a clinical treatment trial, patients seeking immediate therapies or clinical enrollment are unlikely to benefit directly right now.

Why it matters

Potential benefit: If successful, this could point to new biochemical targets or dietary approaches to protect sleep and possibly slow Alzheimer’s-related brain damage.

How similar studies have performed: Prior animal and human studies have reported urea cycle and polyamine changes with sleep loss, but using labeled ornithine tracing and fly genetics to link nitrogen diversion to sleep and neurodegeneration is a newer approach.

Where this research is happening

Kent, 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.
Conditions Alzheimer disease dementia
Last reviewed 2026-06-10 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.