The impact of urban air pollution on Alzheimer's disease risk and mechanisms

Urban Air Pollution and Alzheimer's Disease: Risk, Heterogeneity, and Mechanisms

NIH-funded research University of Southern California · NIH-10456747

This study is looking at how air pollution from traffic might increase the chances of older adults developing Alzheimer's disease, especially for those with certain genetic traits, and it combines data from people and experiments with mice to better understand this connection.

Quick facts

Grant typeP01 program project
Study typeNIH-funded research
Funding institutionUniversity of Southern California NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project IDNIH-10456747 on NIH RePORTER

What this research studies

This research investigates how exposure to traffic-related air pollutants, particularly fine particulate matter, affects the risk of developing Alzheimer's disease in older adults. It involves analyzing data from large cohorts of men and women to understand the relationship between air pollution and dementia, while also conducting experimental studies using mouse models to explore the biological mechanisms involved. The study aims to identify variations in risk based on factors like sex and genetic predispositions, particularly focusing on individuals with the ApoE4 allele. By combining epidemiological and experimental approaches, the research seeks to provide a comprehensive understanding of how urban air pollution contributes to neurodegeneration.

Who could benefit from this research

Good fit: Ideal candidates for this research include older adults, particularly women over 65 and individuals with the ApoE4 genetic variant.

Not a fit: Patients who are younger than 65 or do not have a risk of Alzheimer's disease may not receive direct benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved public health strategies and interventions aimed at reducing Alzheimer's disease risk associated with air pollution.

How similar studies have performed: Previous studies have shown strong associations between air pollution and dementia risk, indicating that this research builds on established findings rather than exploring entirely novel territory.

Where this research is happening

Los Angeles, 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.
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.