Support cells that trim extra brain connections during early development

Synapse Engulfment by Oligodendrocyte Precursor Cells: A New Mechanism of Circuit Refinement in the Developing Brain

NIH-funded research Cold Spring Harbor Laboratory · NIH-11284104

This project will learn if a type of brain support cell called oligodendrocyte precursor cells removes extra nerve connections during early life, which may matter for children with autism.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionCold Spring Harbor Laboratory NIH-funded
Lab location1 site (Cold Spring Harbor, United States)
Project IDNIH-11284104 on NIH RePORTER

What this research studies

This work looks at how synapses (the connections between brain cells) are pared back during early postnatal development and whether oligodendrocyte precursor cells (OPCs) take part in that pruning. Scientists will use mouse models of the visual system, live two-photon imaging to watch cells and synapses, genetic labeling and targeted cell removal, and behavioral tests to link cellular changes to autism-relevant outcomes. They will also search for the molecular signals that tell OPCs to engulf synapses after sensory experience. The goal is to map when and how this process happens so future therapies can aim at correcting abnormal early brain wiring.

Who could benefit from this research

Good fit: This project does not enroll patients; it uses mouse models and laboratory experiments rather than human participants.

Not a fit: People seeking immediate clinical treatments are unlikely to benefit directly because this is preclinical laboratory research.

Why it matters

Potential benefit: If successful, the findings could reveal new biological targets to help correct early brain wiring problems linked to autism and related neurodevelopmental conditions.

How similar studies have performed: Prior work has shown microglia and astrocytes can remove synapses, but studying OPCs in experience-driven pruning is a newer and less-tested idea.

Where this research is happening

Cold Spring Harbor, 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.
Conditions Autistic Disorder
Last reviewed 2026-06-13 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.