How a human-specific RNA guides early heart and blood cell development

Long non-coding RNA MCRL1 regulates human cardiac and hematopoietic differentiation via interacting with β-Catenin

NIH-funded research Indiana University Indianapolis · NIH-11323201

Looks at whether a human-only RNA called MCRL1 helps early human embryonic cells become heart and blood cells, which could matter for congenital heart and blood disorders.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionIndiana University Indianapolis NIH-funded
Lab location1 site (Indianapolis, United States)
Project IDNIH-11323201 on NIH RePORTER

What this research studies

Researchers will use human embryonic stem cells to recreate the very early steps when cells choose to become heart or blood cells. They will turn off MCRL1 and study what changes in cell fate and gene activity occur, including how MCRL1 interacts with the Wnt/β-Catenin pathway. The team will use techniques like ATAC-seq to see changes in chromatin accessibility and molecular experiments to map MCRL1 binding partners. Because MCRL1 is present in humans and some primates but not mice, the work focuses on human-specific mechanisms.

Who could benefit from this research

Good fit: This project does not enroll patients now; however, people with congenital heart defects or inherited blood formation disorders might benefit from therapies informed by these findings in the future.

Not a fit: People seeking immediate clinical treatments or those with adult-acquired heart disease unrelated to developmental programs would not receive direct benefit from this laboratory-focused project.

Why it matters

Potential benefit: If successful, this work could reveal human-specific molecular targets to improve regenerative approaches or understand congenital heart and blood formation disorders.

How similar studies have performed: Previous work on related human long non-coding RNAs (for example HBL1) has shown important roles in heart development, but MCRL1 is a newly identified, human-specific molecule and its mechanism is largely untested.

Where this research is happening

Indianapolis, 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 2026-06-13 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.