How early embryo cells change before and during implantation

Understanding the mechanism of pre- to naïve- to formative- pluripotency transitions

NIH-funded research Boston Children's Hospital · NIH-11312675

This project looks at how very early embryo cells change before and during implantation to help people affected by early pregnancy loss.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionBoston Children's Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-11312675 on NIH RePORTER

What this research studies

Researchers will use lab-grown embryonic stem cell models that mimic the inner cell mass and the transitions those cells undergo before implantation. They will map DNA accessibility and protein binding using techniques such as ATAC-seq and CUT&RUN to track how gene regulation shifts between pre-, naïve-, and formative pluripotent states. By comparing these molecular patterns, the team aims to identify events that may lead to embryos failing to implant or develop. The work relies on mouse and cell-based systems to get around the scarcity of human peri-implantation embryos and to test molecular mechanisms in detail.

Who could benefit from this research

Good fit: People who have experienced recurrent early pregnancy loss or repeated implantation failure would be most interested in following or taking part in related future studies.

Not a fit: People seeking immediate treatment for a current pregnancy or those with unrelated health issues are unlikely to get direct benefit from this laboratory-focused research.

Why it matters

Potential benefit: If successful, this work could reveal molecular causes of early pregnancy loss and point to new tests or treatments to prevent implantation failure.

How similar studies have performed: Previous lab studies using stem-cell models and methods like ATAC-seq have uncovered important regulatory patterns, but applying these tools specifically to peri-implantation pluripotency transitions is relatively new.

Where this research is happening

Boston, 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.