Understanding Cell Changes After Tissue Injury

Polyploidy after tissue injury: a Drosophila model

['FUNDING_R01'] · DUKE UNIVERSITY · NIH-11001202

This research looks at how cells change their DNA content and size to repair tissues after injury, using fruit flies to learn more about human healing and disease.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorDUKE UNIVERSITY (nih funded)
Locations1 site (DURHAM, UNITED STATES)
Trial IDNIH-11001202 on ClinicalTrials.gov

What this research studies

When our tissues get hurt, they need special ways to heal themselves. This project uses fruit flies to explore a unique healing process where cells grow larger and increase their DNA without dividing, a process called polyploidy. We've found that similar cell changes happen in injured human organs like the kidney, bladder, and cornea. The project also examines special "hybrid" cells at tissue boundaries that, if severely injured, can lead to aggressive tumors, much like what's seen in cancer-prone areas in humans. By studying these processes in fruit flies, we hope to uncover new ways our bodies heal and how cancer might start.

Who could benefit from this research

Good fit: Patients interested in the fundamental biological processes of tissue repair and cancer development, particularly those affecting the bladder, kidney, cornea, or gastrointestinal tract, might find this research relevant.

Not a fit: Patients seeking immediate new treatments or direct clinical interventions will not find direct benefit from this basic science research.

Why it matters

Potential benefit: This work could lead to a better understanding of how human tissues repair themselves and how certain cancers develop, potentially guiding future treatments.

How similar studies have performed: The researchers pioneered the study of polyploid cells in tissue repair, and similar findings have since been observed in various mammalian tissues, indicating a promising area of investigation.

Where this research is happening

DURHAM, 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.

View on NIH RePORTER →

Conditions: Cancers, Cardiovascular Diseases

Last reviewed 2026-05-15 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.