Understanding how X chromosomes are inactivated during the development of human placenta cells

Mechanisms of X chromosome inactivation during human trophoblast differentiation in vitro

['FUNDING_R21'] · WASHINGTON UNIVERSITY · NIH-10727675

This study is looking at how one of the two X chromosomes in female cells is turned off during the development of the placenta, which is important for pregnancy, and it could help us understand conditions like Klinefelter syndrome and improve IVF results.

Quick facts

Phase['FUNDING_R21']
Study typeNih_funding
SexAll
SponsorWASHINGTON UNIVERSITY (nih funded)
Locations1 site (SAINT LOUIS, UNITED STATES)
Trial IDNIH-10727675 on ClinicalTrials.gov

What this research studies

This research investigates the process of X chromosome inactivation (XCI) in human trophoblast cells, which are crucial for placenta development. By using human pluripotent stem cells, the researchers aim to explore how one of the two X chromosomes is randomly inactivated in female cells, a process that is essential for equal gene expression between males and females. The study employs advanced techniques, including 2D and 3D cell models, to analyze the mechanisms behind XCI during trophoblast differentiation. This could provide insights into the clinical implications of XCI in conditions such as Klinefelter syndrome and improve understanding of IVF outcomes.

Who could benefit from this research

Good fit: Ideal candidates for this research include women undergoing in vitro fertilization or those with conditions related to X chromosome abnormalities.

Not a fit: Patients who are male or those not undergoing fertility treatments may not receive direct benefits from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved IVF techniques and better understanding of developmental disorders related to X chromosome dosage.

How similar studies have performed: While the mechanisms of XCI have been studied in other contexts, this specific approach using human trophoblast stem cells is relatively novel.

Where this research is happening

SAINT LOUIS, 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 →

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.