Understanding how a protein complex called AP-4 affects brain cell cleanup in Alzheimer's

Elucidating the role of Adaptor Protein complex-4 in regulating axonal autophagic and lysosomal pathways

NIH-funded research University of Illinois at Chicago · NIH-11089358

This work explores how a specific protein complex helps brain cells clear out waste, which could lead to new ways to help people with Alzheimer's disease.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Illinois at Chicago NIH-funded
Lab location1 site (Chicago, UNITED STATES)
Project IDNIH-11089358 on NIH RePORTER

What this research studies

Our brain cells, especially neurons, rely on a cleanup system called the autophagic and lysosomal pathways (ALP) to remove damaged parts and misfolded proteins. In Alzheimer's disease, this system doesn't work well, leading to a buildup of waste and harmful amyloid plaques. We want to understand how a protein complex called AP-4 controls this cleanup process in the long extensions of brain cells, called axons. By learning more about AP-4, we hope to find new ways to improve the brain's natural cleaning system and reduce the harmful plaques and toxic proteins linked to Alzheimer's.

Who could benefit from this research

Good fit: This foundational research is not directly recruiting patients but aims to understand basic disease mechanisms relevant to individuals with Alzheimer's disease.

Not a fit: Patients not affected by Alzheimer's disease or related neurodegenerative conditions would not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could identify new targets for therapies that improve the brain's waste removal system, potentially reducing amyloid plaques and toxic proteins in Alzheimer's disease.

How similar studies have performed: While the general concept of ALP dysfunction in Alzheimer's is known, the specific role of AP-4 in axonal ALP regulation and its direct link to amyloid plaque formation is a novel area of investigation.

Where this research is happening

Chicago, 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 2026-06-15 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.