Oxygen levels and tau changes in Alzheimer-related brain disease

Probing the Influence of Oxygen Toxicity on Tau Hyperphosphorylation caused by Mitochondrial Dysfunction

NIH-funded research University of Cincinnati · NIH-11299040

This project looks at whether lowering oxygen can prevent harmful changes in the tau protein that are linked to Alzheimer’s and related dementias.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Cincinnati NIH-funded
Lab location1 site (Cincinnati, United States)
Project IDNIH-11299040 on NIH RePORTER

What this research studies

Researchers are using a mouse model that mirrors mitochondrial problems seen in Alzheimer’s and related dementias to study how excess oxygen affects tau protein changes linked to brain cell damage. They will house some mice in lower-oxygen environments and compare them to normally housed mice while measuring tau phosphorylation, tau aggregates, brain inflammation, and neuronal health using imaging and laboratory tests. Experiments include advanced brain imaging and molecular analysis of brain tissue to track tau changes and cell loss over time. Because this work is done in animals, the main goal is to reveal mechanisms that could guide new human treatments rather than provide immediate patient therapies.

Who could benefit from this research

Good fit: People with Alzheimer’s disease or related dementias, especially those with signs of mitochondrial dysfunction or tau pathology, would be most likely to be included in future human trials informed by this work.

Not a fit: Because the research uses mice and laboratory experiments, patients will not receive direct treatment or be enrolled in this project now.

Why it matters

Potential benefit: If successful, this could point to treatments that protect nerve cells and slow progression of Alzheimer’s-related dementia by targeting oxygen-related damage and mitochondrial failure.

How similar studies have performed: Previous animal studies with the same mitochondrial disease model showed that lowering oxygen dramatically extended life and reduced brain inflammation, but applying oxygen-level manipulation to prevent tau-driven neurodegeneration is a relatively new approach.

Where this research is happening

Cincinnati, 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 2026-06-13 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.