How the X chromosome and genes that escape X inactivation shape development and health
Developmental constraints shaping human sex chromosomes and escape from X inactivation
Researchers are comparing cells with one X chromosome to normal cells to find which X-linked genes that stay active influence development and conditions such as Turner syndrome.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Connecticut Sch of Med/dnt NIH-funded |
| Lab location | 1 site (Farmington, United States) |
| Project ID | NIH-11141095 on NIH RePORTER |
What this research studies
The team grows human cells that carry only one X chromosome (monosomy X) alongside genetically identical cells with two Xs and measures which genes are switched on or off during development. They focus on genes that escape X inactivation because those genes can be expressed from both sex chromosomes and affect dosage-sensitive processes. By linking gene activity to changes in cell development—especially in tissues important for the heart and blood vessels—the work aims to explain why monosomy X leads to miscarriage and heart problems in Turner syndrome. This is primarily lab-based research using human cell lines and molecular analyses rather than testing treatments in people.
Who could benefit from this research
Good fit: People with Turner syndrome, families affected by recurrent miscarriage possibly related to sex chromosomes, and individuals with sex chromosome differences are the most relevant groups to follow or consider donating samples.
Not a fit: People with conditions unrelated to sex chromosomes or those seeking immediate clinical treatments are unlikely to receive direct benefit from this basic laboratory research.
Why it matters
Potential benefit: If successful, this work could pinpoint specific X-linked genes tied to Turner syndrome and related cardiac or developmental problems, guiding future diagnostics or therapies.
How similar studies have performed: Mouse models have captured far fewer human escapee genes and left gaps in understanding, so using human cells is a relatively novel approach that builds on prior gene-expression work.
Where this research is happening
Farmington, United States
- University of Connecticut Sch of Med/dnt — Farmington, United States (Active)
Researchers
- Principal investigator: Pinter, Stefan F. — University of Connecticut Sch of Med/dnt
- Study coordinator: Pinter, Stefan F.
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.