How cells control phosphate levels through the SLC20A1 phosphate transporter
Proteostasis and Phosphate Sensing in the Regulation of the Phosphate Transporter SLC20A1
This research looks at how cells sense and adjust phosphate using the SLC20A1 transporter to help people with disorders caused by too much or too little phosphate.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Ut Southwestern Medical Center NIH-funded |
| Lab location | 1 site (Dallas, United States) |
| Project ID | NIH-11143203 on NIH RePORTER |
What this research studies
Researchers use genome-wide CRISPR loss-of-function screens in cultured mammalian cells to find genes that control the SLC20A1 phosphate transporter. They examine how proteostasis—protein production, recycling, and degradation—changes SLC20A1 levels when phosphate is scarce or abundant. The team aims to identify the unknown molecular machinery that senses phosphate and triggers these responses. Findings will be connected to conditions like vascular calcification and some aggressive cancers where SLC20A1 is abnormally high.
Who could benefit from this research
Good fit: People with phosphate-balance disorders, vascular calcification, or cancers known to have high SLC20A1 levels are the most relevant patient groups for this research.
Not a fit: Patients with conditions unrelated to phosphate regulation or SLC20A1-driven disease are unlikely to see direct benefits from this project.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent or treat vascular calcification, certain cancers, and disorders of phosphate balance.
How similar studies have performed: Genome-wide CRISPR screens and proteostasis studies have successfully identified regulators and drug targets in other biological systems, but applying these methods specifically to phosphate sensing and SLC20A1 is a newer direction.
Where this research is happening
Dallas, United States
- Ut Southwestern Medical Center — Dallas, United States (Active)
Researchers
- Principal investigator: Zechner, Peter Gerhard Christoph — Ut Southwestern Medical Center
- Study coordinator: Zechner, Peter Gerhard Christoph
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.