Understanding the DDX3X Protein in Heart Development and Disease

Role of RNA-binding protein DDX3X in heart development and disease

['FUNDING_R01'] · ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI · NIH-11123336

This work explores how a protein called DDX3X helps shape the heart and how problems with it might lead to heart conditions and other health challenges.

Quick facts

Phase['FUNDING_R01']
Study typeNih_funding
SexAll
SponsorICAHN SCHOOL OF MEDICINE AT MOUNT SINAI (nih funded)
Locations1 site (NEW YORK, UNITED STATES)
Trial IDNIH-11123336 on ClinicalTrials.gov

What this research studies

Our bodies have about 20,000 genes, but they create much more variety through processes like alternative splicing, which changes how genetic instructions are read. This project focuses on RNA-binding proteins, which are key players in these processes, especially during the complex stages of cell and organ formation. We are particularly interested in the X-linked protein DDX3X, because changes in this protein are linked to DDX3X Syndrome, which includes intellectual disability and can affect heart health. By learning more about DDX3X's role in heart development, we hope to uncover new insights into these conditions.

Who could benefit from this research

Good fit: This foundational research is not directly recruiting patients but aims to help those affected by DDX3X Syndrome, cardiac diseases, or related developmental disorders in the future.

Not a fit: Patients not affected by DDX3X Syndrome or related cardiac developmental issues may not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to a better understanding of the causes of DDX3X Syndrome and related heart conditions, potentially guiding future treatments or interventions.

How similar studies have performed: While the importance of RNA regulation is recognized, much less is known compared to gene regulation, making this a novel approach to fill a critical knowledge gap.

Where this research is happening

NEW YORK, 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: Autistic Disorder, Cardiac Diseases, Cardiac Disorders

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.