NIH-funded research R21 grant

Using tiny internal antibodies to block LINE‑1 proteins linked to brain diseases

Official title: Development of a novel model to study the effects of LINE-1 retrotransposons in disease and normal physiology using nanobodies

Funded at Mercer University Macon · NIH-11143936 · Data updated 2026-11-12

Researchers are creating tiny antibody tools to block LINE‑1 proteins that may play a role in Alzheimer’s and related conditions.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionMercer University Macon
NIH-funded
Lab location1 site (Macon, United States)
Project startAugust 1, 2024
Project endJuly 31, 2027
Funding year2025
Award (this year)$211,485
NIH project number5R21GM155785-02
Project IDNIH-11143936 on NIH RePORTER

Who could benefit from this research

Could help

People with Alzheimer’s disease, Aicardi‑Goutières syndrome, or other conditions where LINE‑1 activity is suspected may be future beneficiaries or candidates for follow‑on clinical studies.

Less likely to help

People seeking immediate treatment or those with conditions unrelated to LINE‑1 activity are unlikely to get direct benefit from this basic lab project.

What this research studies

If you or a loved one has Alzheimer’s disease or a related condition, this project aims to make tiny internal antibodies (nanobodies) that can bind to LINE‑1 proteins inside cells and turn them off. The team will use phage display to find high‑affinity nanobodies, then test those nanobodies in lab models to see how blocking LINE‑1 proteins changes cell behavior. The goal is to produce a reliable lab model to separate harmful LINE‑1 effects from normal biology and to enable clearer follow-up studies. This is preclinical laboratory work and would be an early step toward possible future treatments rather than a direct therapy today.

Why it matters

Potential benefit: If successful, this work could create new tools that speed the development of targeted therapies for diseases where LINE‑1 activity contributes to damage, like some dementias and inflammatory brain disorders.

How similar studies have gone: This is a novel approach: reliable knockdown of LINE‑1 proteins using intracellular nanobodies has not been widely established before.

Where this research is happening

  • Mercer University Macon
    Macon, United States
    Active

Researchers

  • Principal investigator: Cook, Pamela — Mercer University Macon
  • Study coordinator: Cook, Pamela

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.