How Down syndrome changes brain development and plasticity

Supplement to TR01 Human cortical development and neural plasticity altered by trisomy 21

NIH-funded research University of Wisconsin-Madison · NIH-11324832

Researchers will read many kinds of RNA from brains affected by Down syndrome to find molecular differences that could explain thinking and learning challenges.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Wisconsin-Madison NIH-funded
Lab location1 site (Madison, United States)
Project IDNIH-11324832 on NIH RePORTER

What this research studies

This project focuses on the brains of people with Down syndrome to learn which neurons and synapses grow differently and when those changes happen. The team will use bulk RNA sequencing to capture RNA species that single-cell methods can miss, and combine those results with existing single-cell data. The goal is to uncover gene-regulation changes during development that contribute to cognitive differences. All data will be shared through the NIH INCLUDE Data Coordinating Center so other researchers can use it to speed progress.

Who could benefit from this research

Good fit: Ideal candidates would be people with Down syndrome (or families willing to donate biological samples or data) whose samples can be included in the study or related datasets.

Not a fit: People without Down syndrome or those seeking an immediate treatment are unlikely to benefit directly, since this is basic biology and data-generation rather than a clinical therapy.

Why it matters

Potential benefit: If successful, this work could reveal molecular targets and biological pathways that guide future therapies to improve learning and memory in people with Down syndrome.

How similar studies have performed: Prior single-cell and transcriptomic studies have pointed to reduced neurogenesis and synaptogenesis in Down syndrome, and this bulk-RNA approach is a complementary, somewhat novel way to capture additional RNA signals.

Where this research is happening

Madison, 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.
Last reviewed 2026-06-09 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.