How X chromosomes control placenta function and the mother–baby connection

X chromosome dosage compensation and the regulation of the feto-maternal interface

NIH-funded research University of California Los Angeles · NIH-11313835

Finding how X chromosome gene activity shapes the placenta to help mothers and babies with pregnancy complications.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California Los Angeles NIH-funded
Lab location1 site (Los Angeles, United States)
Project IDNIH-11313835 on NIH RePORTER

What this research studies

This project looks at how genes on the X chromosome are turned up or turned off during early development and how that affects the placenta where mother and baby meet. Researchers study the Xist RNA and other switches that control X chromosome activity in embryonic and placental cells using laboratory models and tissue experiments. They will examine how mistakes in X chromosome dosage can weaken the feto‑maternal interface and lead to placental dysfunction. Results could point toward reasons some pregnancies have problems and suggest new directions for diagnosis or prevention.

Who could benefit from this research

Good fit: People who might be most relevant are pregnant individuals with placental complications (for example preeclampsia, fetal growth restriction, or recurrent pregnancy loss) or those able to donate placental tissue for research.

Not a fit: People without pregnancy- or placenta-related conditions (including most men and non-pregnant individuals) are unlikely to receive direct benefit from this work.

Why it matters

Potential benefit: If successful, this work could reveal causes of placental problems and point to new ways to diagnose, monitor, or prevent pregnancy complications.

How similar studies have performed: Some parts of X chromosome inactivation are well understood, but studying X chromosome upregulation in the placenta is relatively new and remains largely untested in humans.

Where this research is happening

Los Angeles, 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.