NIH-funded research R21 grant

How low oxygen and genetic tweaks may repair mitochondrial problems linked to Alzheimer’s and other disorders

Official title: Molecular mechanisms of mitochondrial complex I rescue by hypoxia and genetic suppressors

Funded at Brandeis University · NIH-11440919 · Data updated 2026-11-12

A Johns Hopkins-style? (Note: institution specified later) patient-facing overview: researchers will study tiny cell power stations in mitochondria to see if low-oxygen conditions and specific genetic changes can fix problems associated with Alzheimer's disease and related dementias.

More Hypoxia research and trials

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionBrandeis University
NIH-funded
Lab location1 site (Waltham, United States)
Project startSeptember 1, 2026
Project endAugust 31, 2028
Funding year2026
Award (this year)$436,864
NIH project number1R21NS151350-01
Project IDNIH-11440919 on NIH RePORTER

Who could benefit from this research

Could help

People with Alzheimer’s disease, Alzheimer’s-related dementia, or related neurodegenerative conditions could benefit from future therapies inspired by this research.

Less likely to help

Current patients should not expect immediate treatments from this early-stage study.

What this research studies

This project looks at mitochondrial complex I, a key part of cellular energy, and how reducing oxygen levels or using genetic changes might stabilize it to prevent nerve cell damage seen in Alzheimer’s and related conditions. The team will use fruit worm models and mouse studies along with advanced imaging to watch how the molecular machines rearrange themselves under hypoxia. By comparing normal and altered versions of complex I, they aim to map exactly how these conditions improve function and reduce harmful processes. The findings could point to new ways to protect brain cells from degeneration. The work combines genetics, biochemistry, and high-resolution structure technology to connect basic biology with potential therapies.

Why it matters

Potential benefit: If successful, this work could reveal new targets to protect brain cells in Alzheimer’s disease and other neurodegenerative conditions.

How similar studies have gone: Early studies in model organisms show that hypoxia can modify mitochondrial function, but the exact human-relevant mechanisms are still being explored.

Where this research is happening

  • Brandeis University
    Waltham, United States
    Active

Researchers

  • Principal investigator: Meisel, Joshua Daniel — Brandeis University
  • Study coordinator: Meisel, Joshua Daniel

Related research

Other NIH-funded projects on the same topics.

  • Using MRI to measure brain oxygen levels as an early sign of small vessel disease in the brain

    This study is looking at how measuring oxygen levels in the brain with MRI can help spot early signs of small vessel disease, which is linked to memory problems and dementia, especially Alzheimer's, so if you're at risk due to age or high blood pressure, you might be able to participate in MRI scans to learn more about

    NIH research Washington University · Saint Louis, United States · NIH-9960958

  • HIF-driven ways to repair damaged lungs in IPF

    A doctor-researcher is testing how low-oxygen signals (HIF) could help restore healthy lung tissue in people with IPF.

    NIH research University of Colorado Denver · Aurora, UNITED STATES · NIH-11577275

  • Neonatal Brain Injury Protection with New Purine Compounds

    A new medication approach using purine derivatives is being studied to protect newborn brains from injury caused by limited blood flow and oxygen during birth.

    NIH research Women and Infants Hospital-Rhode Island · Providence, United States · NIH-11541249

  • Aldo-keto reductase (AKR) helps brain BH4 levels after injury

    This grant tests whether brain AKR enzymes can boost BH4 levels and support better brain function after hypoxia-ischemia-related injury.

    NIH research Medical College of Wisconsin · Milwaukee, United States · NIH-11447154

  • Dual-hypoxia and proliferation PET biomarker for recurrent glioblastoma

    A study using a special PET imaging approach to map oxygen-poor areas and cell growth in recurrent brain tumors to guide treatment decisions.

    NIH research Weill Medical Coll of Cornell Univ · New York, United States · NIH-11445726

  • How combined low oxygen conditions worsen heart and blood vessel disease

    This project looks at how a mix of chronic and intermittent low oxygen levels harms the heart and metabolism in people with lung disease-related conditions, using mice to uncover clues that could help patients in the future.

    NIH research University of California, San Diego · La Jolla, United States · NIH-11434926

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.