Causes of poor growth in Noonan syndrome with loose anagen hair

Evaluating causes for failure to thrive in a Noonan-like syndrome with loose anagen hair (NSLH) patients using NSLH vertebrate model

NIH-funded research University of Kentucky · NIH-11226592

Researchers are using zebrafish models to find why children with Noonan syndrome with loose anagen hair have trouble gaining weight and growing.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Kentucky NIH-funded
Lab location1 site (Lexington, United States)
Project IDNIH-11226592 on NIH RePORTER

What this research studies

This project uses zebrafish that carry the same SHOC2 gene changes found in Noonan syndrome with loose anagen hair to look at early gut development and metabolism. Because zebrafish embryos are transparent and develop quickly, researchers can watch how digestive organs form and test how metabolic differences affect growth. The team aims to link specific gene changes to problems with feeding, nutrient use, or gut maturation that lead to failure to thrive in young children. Results could suggest straightforward interventions, such as dietary supplements, that might improve weight gain and development.

Who could benefit from this research

Good fit: Children (especially infants and toddlers) diagnosed with Noonan syndrome with loose anagen hair who have slow weight gain or growth delays would be the most relevant group.

Not a fit: People without NSLAH or those whose growth problems are caused by unrelated conditions are unlikely to benefit directly from these findings.

Why it matters

Potential benefit: If successful, this work could point to nutritional supplements or other simple treatments to help children with NSLAH gain weight and grow better.

How similar studies have performed: Animal-model work has previously led to nutritional or metabolic interventions for related genetic disorders, but applying this approach to NSLAH is largely new.

Where this research is happening

Lexington, 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 2026-06-10 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.