How a tiny RNA controls bone-building cells and responses to steroid hormones
MicroRNA regulation of osteoblast physiology and glucocorticoid signaling
Researchers are looking at whether blocking a small RNA called miR-433 can help bone-forming cells work better and protect bones from damage caused by steroid hormones.
Quick facts
| Grant type | R01 grant |
|---|---|
| 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-11224073 on NIH RePORTER |
What this research studies
From a patient's point of view, this research looks at a tiny genetic regulator called miR-433 that can turn down the activity of bone-making cells and limit how they respond to steroid hormones. In lab dishes the team turns off miR-433 in bone precursor cells to see if those cells make more bone proteins and become stronger. They also made mice that carry a blocker of miR-433 in bone cells to check whether those animals have thicker, stronger bones and to map the genes involved. The ultimate goal is to find pathways that could be targeted to protect bone during long-term steroid treatment or conditions like Cushing's disease.
Who could benefit from this research
Good fit: People with steroid-induced bone loss or Cushing's disease would be the most likely beneficiaries or future trial candidates.
Not a fit: People whose bone loss is caused by unrelated genetic disorders or by factors not involving glucocorticoid signaling may not benefit from this approach.
Why it matters
Potential benefit: If successful, this work could point to new treatments that protect or strengthen bone for people on long-term steroid therapy or with hormone-driven bone loss.
How similar studies have performed: Early laboratory and mouse work already shows that blocking miR-433 increases bone formation, so the project builds on promising preclinical findings but has not yet been tested in people.
Where this research is happening
Farmington, United States
- University of Connecticut Sch of Med/dnt — Farmington, United States (Active)
Researchers
- Principal investigator: Delany, Anne M — University of Connecticut Sch of Med/dnt
- Study coordinator: Delany, Anne M
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.