NIH-funded research R01 grant

APOE4 and brain lymphatic drainage in Alzheimer's disease

Official title: Role of apoE-mediated meningeal lymphatic remodeling in the pathophysiology of Alzheimer’s disease

Funded at Mayo Clinic Jacksonville · NIH-11463446 · Data updated 2026-11-12

This NIH grant investigates how the APOE4 gene affects the brain’s lymphatic system and its role in Alzheimer’s disease, with potential implications for people at risk.

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Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMayo Clinic Jacksonville
NIH-funded
Lab location1 site (Jacksonville, United States)
Project startSeptember 1, 2023
Project endAugust 31, 2028
Funding year2026
Award (this year)$767,846
NIH project number4R01AG080556-02
Project IDNIH-11463446 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates are adults with or at risk for Alzheimer’s disease who are curious about how genetic risk factors influence brain health.

Less likely to help

People without Alzheimer’s risk factors or not involved in similar studies may see no direct benefit.

What this research studies

Age-related changes and the APOE4 gene play big roles in Alzheimer’s disease. The project studies how APOE4 alters the brain’s meningeal lymphatic vessels and CSF drainage, which may influence amyloid buildup and inflammation. Researchers will use mouse models to understand cell interactions between immune cells and lymphatic cells in the meninges and how these changes relate to Alzheimer’s-like pathology. Findings could point to new ways to support brain clearance pathways and reduce disease progression. The work is conducted at Mayo Clinic in Jacksonville over five years and involves genetically modified mice and humanized models.

Why it matters

Potential benefit: If successful, the research could reveal new targets to improve brain waste clearance and slow Alzheimer's disease progression.

How similar studies have gone: Prior studies link impaired meningeal lymphatic function to worse Alzheimer’s pathology, suggesting this approach has a plausible trajectory.

Where this research is happening

  • Mayo Clinic Jacksonville
    Jacksonville, United States
    Active

Researchers

  • Principal investigator: Da Mesquita, Sandro — Mayo Clinic Jacksonville
  • Study coordinator: Da Mesquita, Sandro

Related research

Other NIH-funded projects on the same topics.

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.
Last reviewed 2026-11-14 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.